CN113038346A - Loudspeaker sound cavity shock-absorbing structure and intelligent sound box - Google Patents
Loudspeaker sound cavity shock-absorbing structure and intelligent sound box Download PDFInfo
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- CN113038346A CN113038346A CN201911347648.5A CN201911347648A CN113038346A CN 113038346 A CN113038346 A CN 113038346A CN 201911347648 A CN201911347648 A CN 201911347648A CN 113038346 A CN113038346 A CN 113038346A
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- 230000004044 response Effects 0.000 abstract description 17
- 239000000725 suspension Substances 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 description 15
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
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- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
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Abstract
The invention belongs to the technical field of electroacoustic products, and relates to a loudspeaker sound cavity damping structure, which is used for connecting a sound cavity shell of a sound box to a shell in a suspension manner in the shell of the sound box and comprises the following components: the connecting component is connected to the sound cavity shell and/or the outer shell in the outer shell; and the spring damping mechanism is positioned between the shell and the sound cavity shell, is arranged on the connecting component and is used for reducing the vibration between the sound cavity shell and the shell. The invention also relates to an intelligent sound box which comprises a shell, a sound cavity shell arranged in the shell in a hanging manner, a loudspeaker arranged on the sound cavity shell and a microphone arranged on the shell, wherein the sound cavity shell is connected with the shell through the loudspeaker sound cavity damping structure. Through the connection of the sound cavity damping structure of the loudspeaker, the vibration intensity of the shell along with the sound cavity shell can be reduced, the interference to a microphone is reduced, and meanwhile, the low-frequency response of the sound cavity can be improved.
Description
Technical Field
The invention relates to the technical field of electroacoustic products, in particular to a loudspeaker sound cavity damping structure and an intelligent sound box.
Background
The intelligent sound box is a product of sound box upgrading, and is a tool for man-machine voice interaction between a user and intelligent equipment by voice, for example, the user can speak towards the sound box to order songs, shop on internet or know weather forecast by the intelligent equipment. Existing smart speakers generally include two important components: a speaker chamber housing and a microphone array. However, there is a certain contradiction between the functions and performances of the speaker sound cavity housing and the microphone array, specifically:
as the loudspeaker sound cavity shell needs to generate enough low-frequency response through the largest possible diaphragm vibration to improve the listening experience, some products even add an additional passive radiator to improve the low-frequency response, however, the violent vibration of the diaphragm and the passive radiator is transferred to the microphone array through the structural member, and as the microphone array, the violent vibration aims at picking up a clear voice command, however, when the vibration wave generated by the diaphragm and the passive radiator is transferred to the microphone array, the voice command starts to become turbid, and finally the recognition of the voice command is inaccurate or even impossible. Therefore, when the low-frequency response of the sound cavity shell of the existing sound box is improved, the vibration of the sound cavity shell of the loudspeaker easily causes interference on the sound pickup of the microphone array, and the sound pickup effect of the sound box is poor.
Disclosure of Invention
The invention aims to solve the technical problem that when the low-frequency response of a sound cavity shell is improved in the existing sound box, the vibration of the sound cavity shell is easy to interfere with the sound pickup of a microphone.
In order to solve the above technical problem, an embodiment of the present application provides a speaker sound cavity damping structure, which adopts the following technical scheme: loudspeaker sound chamber shock-absorbing structure is used for will in the shell of audio amplifier the sound chamber casing of audio amplifier unsettled connect in on the shell, loudspeaker sound chamber shock-absorbing structure includes:
a connecting assembly connected to the sound chamber housing and/or the outer shell within the outer shell;
and the spring damping mechanism is positioned between the shell and the sound cavity shell and arranged on the connecting component and used for reducing the vibration between the sound cavity shell and the shell through linearly changing buffer force.
Further, the connecting assembly comprises a threaded rod and a nut, one end of the threaded rod penetrates through the sound cavity shell and is connected to the sound cavity shell through the nut, and the other end of the threaded rod is spaced from the shell;
the spring damping mechanism comprises a spring piece, one end of the spring piece is arranged at the other end of the threaded rod, and the other end of the spring piece is abutted to the shell.
Further, be provided with the direction subassembly on the threaded rod, the direction subassembly includes uide bushing and guiding element, the uide bushing establish in on the shell, and be located the shell with between the sound chamber casing, the guiding element along the elastic deformation direction sliding connection of spring part in the uide bushing.
Furthermore, the connecting assembly comprises a threaded rod and a nut, the middle part of the threaded rod vertically penetrates through the sound cavity shell, two ends of the threaded rod are respectively inserted into the shell, and one end of the threaded rod is connected to the shell through the nut;
the spring damping mechanism comprises at least one spring part, and each spring part is sleeved on the threaded rod between the sound cavity shell and the shell, one end of the spring part is abutted to the shell, and the other end of the spring part is arranged on the threaded rod.
Furthermore, the connecting assembly comprises a threaded rod and a nut, and two ends of the threaded rod are respectively connected to the sound cavity shell and the shell through the nut;
the spring damping mechanism comprises a spring piece, one end of the spring piece is abutted to the shell, and the other end of the spring piece is arranged on the threaded rod.
Further, the spring member is a spring made of a metal material.
Furthermore, the spring damping mechanism further comprises a flange ring, the flange ring is sleeved on the spring part, and the spring part is a spring made of super-elastic materials.
Furthermore, the speaker sound cavity shock-absorbing structure further comprises an elastic adjusting component, wherein the elastic adjusting component is used for connecting one end part of the spring piece to the threaded rod and adjusting the elasticity of the spring piece.
Furthermore, the nut is wrapped by an elastic buffer layer.
In order to solve the technical problem that the existing sound box easily causes interference to a microphone when improving the low-frequency response of a sound cavity shell, the embodiment of the application further provides an intelligent sound box, which comprises a shell, a suspension body, a sound cavity shell, a loudspeaker and a microphone, wherein the suspension body is arranged in the shell, the loudspeaker is arranged on the sound cavity shell, the microphone is arranged on the shell, and the sound cavity shell is connected with the shell through the loudspeaker sound cavity damping structure.
Compared with the prior art, the loudspeaker sound cavity shock-absorbing structure and the intelligent sound box provided by the embodiment of the application have the following beneficial effects:
firstly, when the low-frequency response of the sound cavity needs to be improved, the sound cavity shell of the loudspeaker can be connected to the shell in a suspended mode through the spring damping mechanism by the sound cavity damping structure of the loudspeaker, and the vibration intensity of the shell along with the sound cavity shell can be reduced to the maximum extent through the damping effect of the spring damping mechanism, so that the interference of the sound cavity shell to a microphone is reduced to the minimum; in addition, unexpectedly, the damping force of the spring damping mechanism is linearly changed, so that the loudspeaker sound cavity damping structure can play a role in enhancing low-frequency response when acting at lower sound frequency; secondly, the sound cavity shell and the shell of the intelligent sound box are connected through the loudspeaker sound cavity damping structure, so that the vibration of the shell along with the sound cavity shell can be reduced to the maximum extent, the influence of the vibration of the sound cavity shell on a microphone is reduced to the minimum, the voice command picked up by the microphone is clear and free of interference, and the low-frequency response of the intelligent sound box can be further enhanced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a schematic view of an internal structure of an intelligent sound box according to an embodiment of the present application;
fig. 2 is a schematic view of an internal structure of an intelligent sound box according to a second embodiment of the present application;
fig. 3 is an internal structure schematic diagram of an intelligent sound box in the third embodiment of the present application.
Description of reference numerals:
10. a sound cavity housing; 11. a bump; 12. an assembly hole;
20. a housing; 21. a top plate; 211. positioning a groove; 22. a base plate; 23. mounting holes;
31. a first threaded rod; 32. a second threaded rod; 33. a third threaded rod;
41. a first nut; 42. a second nut; 43. a third nut; 44. a fourth nut; 45. a fifth nut; 46. a sixth nut;
50. a spring member; 511. a flange ring; 521. a first gasket; 531. a second gasket;
61. a guide member; 62. a guide sleeve; 621. and (5) buffering and damping.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
Example one
As shown in fig. 1, an intelligent sound box includes a housing 20, a sound cavity housing 10 suspended in the housing 20, a speaker disposed on the sound cavity housing 10, and a microphone disposed on the housing 20, wherein the sound cavity housing 10 and the housing 20 are connected by a speaker sound cavity damping structure. This intelligence audio amplifier's sound chamber casing 10 and shell 20 pass through speaker sound chamber shock-absorbing structure and connect, can reduce shell 20 along with the shock strength of sound chamber casing 10, ensure speaker sound chamber damper with sound chamber casing 10 form a simple harmonic vibration system jointly between the shell 20 in order to strengthen the low frequency response effect, and then when sound chamber casing 10 promoted low frequency response, can reduce the interference of the vibration of sound chamber casing 10 to the microphone pickup to guarantee that the vibration of sound chamber casing 10 falls to minimum to the influence of microphone, and then guarantee that the voice command that the microphone picked up is clear noninterference.
In the present embodiment, the speaker sound cavity damping mechanism includes a connection component and a spring damping mechanism, wherein the connection component is connected to the sound cavity housing 10 and/or the outer housing 20 inside the outer housing 20; the spring shock absorbing mechanism is located between the outer shell 20 and the sound cavity shell 10, and is arranged on the connecting component and used for reducing shock between the sound cavity shell 10 and the outer shell 20 through linearly changing buffer force.
Coupling assembling includes threaded rod and nut, the both ends of threaded rod are all passed through the nut connect respectively in sound chamber casing 10 with on the shell 20. For convenience of distinction, in this embodiment, as shown in fig. 1, the threaded rod is a first threaded rod 31, and the two nuts are a first nut 41 and a second nut 42, respectively, wherein one end of the first threaded rod 31 is connected to the sound cavity housing 10 through the first nut 41, and the other end is connected to the outer shell 20 through the second nut 42; the spring damping mechanism comprises a spring element 50, one end of the spring element 50 is abutted to the housing 20, and the other end of the spring element is arranged on the threaded rod (specifically, the first threaded rod 31). Specifically, all be provided with lug 11 around sound chamber casing 10, set up the pilot hole 12 that supplies first threaded rod 31 to pass on the lug 11, set up the mounting hole 23 that supplies first threaded rod 31 to pass on the position that shell 20 and pilot hole 12 correspond, mounting hole 23 is located pilot hole 12 under, understandably, the one end of first threaded rod 31 is connected on protruding edge 12 through first nut 41, the other end passes through second nut 42 and connects on shell 20, and spring part 50 is connected between protruding edge 12 and the shell 20 of sound chamber casing 10 through first threaded rod 31 by the centre gripping. .
Preferably, the second nut 42 is rotated to adjust the distance between the housing 20 and the flange 12, i.e. the compression strength of the spring element 50 can be adjusted, since the elastic force of the spring element 50 can be changed linearly under compression in a large range, it is easy to adjust and control different elastic ratios, so as to adjust and optimize the vibration strength of the housing 20 with the sound cavity housing 10, and in addition, since the compliance of the spring element 50 and the sound cavity housing etc. form an intermittent vibration system, it can unexpectedly play a role of enhancing the low frequency response in the process of reducing the disturbance to the microphone in order to enhance the low frequency response.
In the present embodiment, the spring member 50 is a spring made of a super-elastic material, and specifically, the spring may be integrally manufactured using a super-elastic material such as rubber or silicone rubber, for simplicity of design and cost saving. As shown in fig. 1, in order to linearly change the elastic force of the compression spring member 50, the spring damping mechanism further includes a flange ring 511, wherein the flange ring 511 is sleeved on the spring member 50, and preferably, the flange ring 511 is uniformly arranged along the spring member 50, and two flange rings 511 are arranged according to the length of the spring member 50. Of course, in practice, the spring member may also adopt other suitable spring structures, such as those of the second or third embodiments described below.
Preferably, in order to improve the buffering strength, the first nut 41 and the second nut 42 are wrapped by an elastic buffering layer (not shown), wherein the elastic buffering layer may be made of rubber or silicone material, which can avoid hard contact between the first nut 41 and the sound cavity housing 10 and between the second nut 42 and the casing 20, improve the buffering strength, and avoid interference with the use of the microphone.
The installation method comprises the following steps:
the first threaded rod 31 firstly passes through the assembly hole 12, then the first nut 41 is arranged on one side of the first threaded rod 31 protruding out of the assembly hole 12, the first nut 41 is abutted against the sound cavity shell 10, then the spring piece 50 is arranged on the first threaded rod 31, finally the other end of the first threaded rod 31 penetrates out of the installation hole 23, then the second nut 42 is arranged on the first threaded rod 31, and the second nut 42 is rotated to adjust the compression strength of the spring piece 50.
Example two
As shown in fig. 2, the difference between the present embodiment and the first embodiment is that:
the connecting assembly comprises a threaded rod and nuts, wherein the threaded rod can be specifically a second threaded rod 32, the two nuts can be specifically a third nut 43 and a fourth nut 44, the middle part of the second threaded rod 32 vertically penetrates through the sound cavity shell 10, two ends of the second threaded rod are respectively inserted into the shell 20, and one end of the second threaded rod is connected to the shell 20 through the fourth nut 44; the spring damping mechanism includes at least one spring element 50, and between the sound cavity housing 10 and the outer shell 20, each spring element 50 is sleeved on the second threaded rod 32, and one end of the spring element abuts against the outer shell 20, and the other end of the spring element is arranged on the threaded rod. Specifically, two third nuts 43 are threadedly connected to the middle portion of the second threaded rod 32 for fixing the sound chamber housing 10.
In this embodiment, the shell 20 of the sound box includes the relative roof 21 and the bottom plate 22 that set up, and sound chamber casing 10 is located between roof 21 and the bottom plate 22, and sound chamber casing 10 all is provided with lug 11 all around, is provided with the pilot hole 12 that supplies second threaded rod 32 to pass on the lug 11, is provided with constant head tank 211 on roof 21 and the position relative with pilot hole 12, the one end and the constant head tank 211 sliding fit of second threaded rod 32, be provided with on the bottom plate 22 and be used for supplying the mounting hole 23 that second threaded rod 32 passed. After installation, the protrusion 11 is located between the two third nuts 43, the fourth nut 44 is located outside the bottom plate 22, and the two spring members 50 are located between the top plate 21 and the protrusion 11 and between the bottom plate 22 and the protrusion 11, respectively, in other embodiments, the positioning groove 211 may be opened, so that the second threaded rod 32 protrudes from the top plate 21, and then a fourth nut 44 is installed.
By rotating the fourth nut 44, the elasticity of the spring element 50 can be adjusted, so that the elasticity of the spring element 50 changes linearly, thereby adjusting the vibration intensity of the casing 20 along with the sound cavity housing 10, and reducing the interference to the microphone while improving the low-frequency response of the sound cavity housing 10. Specifically, only one spring element 50 may be used on one second threaded rod 32 as required, to increase the shock-resistant adjustment range of the sound chamber housing 10.
Preferably, the spring element 50 is made of a metal material, and the elasticity of the spring element 50 may be linearly changed during the adjustment. One end of the spring member 50 close to the third nut 43 is provided with a first washer 521, the diameter of the first washer 521 is larger than or equal to that of the spring member 50, and the first washer 521 abuts against the spring member 50, so that the connection is more stable.
Preferably, in order to improve the buffering strength, the third nut 43 and the fourth nut 44 are wrapped with an elastic buffering layer, which may be made of rubber or silica gel material, so as to avoid hard contact between the third nut 43 and the sound cavity housing 10, and between the fourth nut 44 and the casing 20, improve the buffering strength, and avoid interference with the microphone.
The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.
The installation method comprises the following steps:
firstly, the second threaded rod 32 penetrates through the assembly hole 12, then the third nuts 43 are installed at two ends of the second threaded rod 32 for fixing, then the first gasket 521 and the spring part 50 are respectively sleeved on the second threaded rod, finally one end of the spring part 50 is inserted into the positioning groove 211, the other end of the spring part 50 penetrates out of the installation hole 23, then the fourth nut 44 is installed, and the fourth nut 44 is rotated to adjust the compression strength of the spring part 50 or reduce the number of the spring part 50 when the elastic force is too large.
EXAMPLE III
As shown in fig. 3, the difference between the present embodiment and the first embodiment is that: the connecting assembly comprises a threaded rod and nuts, wherein the threaded rod can be specifically a third threaded rod 33, the two nuts can be specifically fifth nuts 45 and sixth nuts 46, one end of the third threaded rod 33 penetrates through the sound cavity shell 10 and is connected to the sound cavity shell 10 through the two fifth nuts 45, and the other end of the third threaded rod is spaced from the shell 20; the spring damping mechanism comprises a spring member 50, one end of the spring member 50 is arranged at the other end of the threaded rod, and the other end of the spring member 50 abuts against the shell 20. In particular, to avoid the inclination of the spring element 50, the third threaded rod 33 is provided with a guide 61, the guide 61 is slidably connected with a guide sleeve 62, and the guide sleeve 62 is arranged on the housing 20.
In this embodiment, the sound cavity housing 10 is provided with a protrusion 11 at the periphery, the protrusion 11 is provided with an assembly hole 12 for the third threaded rod 33 to pass through, the guiding sleeve 62 is fixed on the inner wall of the casing 20 and is arranged opposite to the assembly hole 12, after the assembly is completed, the convex block 11 is positioned between the two fifth nuts 45, the sixth nut 46 is installed at one end, far away from the sliding block, of the third threaded rod 33, the spring piece 50 is sleeved at one side, far away from the fifth nut 45, of the third threaded rod 33, the spring piece 50 is positioned in the guide sleeve 62, one end, far away from the sixth spring, of the spring piece 50 is abutted to the inner wall of the shell 20, the guide piece 61 is U-shaped, the guide piece 61 is in threaded connection with the third threaded rod 33 and is positioned between the fifth nut 45 and the sixth nut 46, the outer wall of the guide piece 61 is in sliding connection with the guide sleeve 62, and the guide piece 61 is in sliding fit, the spring member 50 is guided and positioned to prevent the spring member 50 from tilting during compression.
This intelligence audio amplifier's sound chamber casing 10 and shell 20 pass through speaker sound chamber casing 10 shock-absorbing structure and connect, can make sound chamber casing 10 unsettled connect in shell 20, reduce shell 20 along with the shock strength of sound chamber casing 10, ensure with sound chamber casing 10 form a simple harmonic vibration system jointly between the shell 20 in order to strengthen the low frequency response effect, and then when sound chamber casing 10 promoted the low frequency response, can reduce the interference of the vibration of sound chamber casing 10 to the microphone pickup to guarantee that the vibration of sound chamber casing 10 falls to minimum to the influence of microphone, and then guarantee that the voice command that the microphone picked up is clear noninterference.
Preferably, the spring member 50 is a spring made of a metal material.
In this embodiment, in order to adjust the elastic strength of the spring element 50, a buffering damper 621 for increasing the friction force between the guide sleeve 62 and the guide element 61 is disposed on the inner wall of the guide sleeve 62, the buffering damper 621 may be made of rubber or silica gel, and the position of the guide element 61 in the guide sleeve 62 is adjusted to compress the spring element 50, so as to adjust the elastic strength of the spring element 50. And also by adjusting the sixth nut 46 in such a way that it compresses the spring element 50.
In this embodiment, one end of the spring element 50 close to the sixth nut 46 is provided with a second pad 531, a diameter of the second pad 531 is greater than or equal to a diameter of the spring element 50, and the second pad 531 abuts against the spring element 50, so that the connection is more stable.
Preferably, in order to improve the buffering strength, the fifth nut 45 and the sixth nut 46 are wrapped by an elastic buffering layer, the elastic buffering layer may be made of rubber or a silica gel material, so that hard contact between the fifth nut 45 and the sound cavity housing 10 and hard contact between the sixth nut 46 and the second gasket 531 may be avoided, the buffering strength is improved, and interference with the use of the microphone is avoided.
The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.
The installation method comprises the following steps:
firstly, the third threaded rod 33 penetrates through the assembly hole 12, and then the fifth nuts 45 are installed at the two ends of the third threaded rod 33 for fixing; then, the guide piece 61 is arranged at one end of the third threaded rod 33, so that the guide piece 61 is abutted against one of the fifth nuts 45; then, a sixth nut 46 and a second gasket 531 are arranged at one end of the threaded rod, which is provided with the guide element 61, the threaded rod is sleeved with the spring element 50, finally, the guide sleeve 62 is fixed to the corresponding position of the shell 20, one end of the spring element 50, which is far away from the second gasket 531, is placed in the guide sleeve 62, and the guide element 61 is clamped in the guide sleeve 62; in this embodiment, the fifth nut 45 is rotated to adjust the compression strength of the spring member 50, or the pressing guide 61 is pressed to adjust the compression strength of the spring member 50.
In summary, the following steps:
the vibration intensity of the shell 20 along with the sound cavity shell 10 can be reduced by connecting the loudspeaker sound cavity shell 10 with the damping structure, and the interference to a microphone is reduced while the low-frequency response of the sound cavity shell 10 is improved; through the spring element 50, the vibration intensity of the shell 20 along with the sound cavity shell 10 can be reduced, and the interference of the sound cavity shell 10 to a microphone can be reduced; and the elastic force of the spring member 50 can be adjusted in a linear change, and compared with the use of a material with a single buffering effect, the time for designing, proofing and verifying can be reduced.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. The utility model provides a speaker sound chamber shock-absorbing structure which characterized in that: loudspeaker sound chamber shock-absorbing structure is used for will in the shell of audio amplifier the sound chamber casing of audio amplifier unsettled connect in on the shell, loudspeaker sound chamber shock-absorbing structure includes:
a connecting assembly connected to the sound chamber housing and/or the outer shell within the outer shell;
and the spring damping mechanism is positioned between the shell and the sound cavity shell and arranged on the connecting component and used for reducing the vibration between the sound cavity shell and the shell through linearly changing buffer force.
2. The loudspeaker sound cavity damping structure of claim 1, wherein: the connecting assembly comprises a threaded rod and a nut, one end of the threaded rod penetrates through the sound cavity shell and is connected to the sound cavity shell through the nut, and the other end of the threaded rod is spaced from the shell;
the spring damping mechanism comprises a spring piece, one end of the spring piece is arranged at the other end of the threaded rod, and the other end of the spring piece is abutted to the shell.
3. A loudspeaker sound cavity damping structure according to claim 2, wherein: be provided with the direction subassembly on the threaded rod, the direction subassembly includes uide bushing and guide, the uide bushing establish in on the shell, and be located the shell with between the sound chamber casing, the guide along the elastic deformation direction sliding connection of spring part in the uide bushing.
4. The loudspeaker sound cavity damping structure of claim 1, wherein: the connecting assembly comprises a threaded rod and a nut, the middle part of the threaded rod vertically penetrates through the sound cavity shell, two ends of the threaded rod are respectively inserted into the shell, and one end of the threaded rod is connected to the shell through the nut;
the spring damping mechanism comprises at least one spring part, and each spring part is sleeved on the threaded rod between the sound cavity shell and the shell, one end of the spring part is abutted to the shell, and the other end of the spring part is arranged on the threaded rod.
5. The loudspeaker sound cavity damping structure of claim 1, wherein: the connecting assembly comprises a threaded rod and a nut, and two ends of the threaded rod are respectively connected to the sound cavity shell and the shell through the nut;
the spring damping mechanism comprises a spring piece, one end of the spring piece is abutted to the shell, and the other end of the spring piece is arranged on the threaded rod.
6. A loudspeaker sound cavity damping structure according to any one of claims 2 to 5, wherein: the spring piece is a spring made of a metal material.
7. A loudspeaker sound cavity damping structure according to any one of claims 2 to 5, wherein: the spring damping mechanism further comprises a flange ring, the flange ring is sleeved on the spring piece, and the spring piece is a spring made of super-elastic materials.
8. A loudspeaker sound cavity damping structure according to any one of claims 2 to 5, wherein: the loudspeaker sound cavity damping structure further comprises an elastic adjusting component, wherein the elastic adjusting component is used for connecting one end part of the spring piece to the threaded rod and adjusting the elasticity of the spring piece.
9. A loudspeaker sound cavity damping structure according to any one of claims 2 to 4, wherein: the nut is wrapped by an elastic buffer layer.
10. The utility model provides an intelligent sound box, including shell, unsettled set up in sound chamber casing in the shell, set up in speaker on the sound chamber casing and set up in microphone on the shell, its characterized in that: the sound chamber housing and the enclosure are connected by a loudspeaker sound chamber damping structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911347648.5A CN113038346A (en) | 2019-12-24 | 2019-12-24 | Loudspeaker sound cavity shock-absorbing structure and intelligent sound box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911347648.5A CN113038346A (en) | 2019-12-24 | 2019-12-24 | Loudspeaker sound cavity shock-absorbing structure and intelligent sound box |
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| CN113038346A true CN113038346A (en) | 2021-06-25 |
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| CN201911347648.5A Pending CN113038346A (en) | 2019-12-24 | 2019-12-24 | Loudspeaker sound cavity shock-absorbing structure and intelligent sound box |
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| CN (1) | CN113038346A (en) |
Citations (6)
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