CN112073855B - Loudspeaker box - Google Patents
Loudspeaker box Download PDFInfo
- Publication number
- CN112073855B CN112073855B CN202010880945.2A CN202010880945A CN112073855B CN 112073855 B CN112073855 B CN 112073855B CN 202010880945 A CN202010880945 A CN 202010880945A CN 112073855 B CN112073855 B CN 112073855B
- Authority
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- China
- Prior art keywords
- bracket
- front cover
- rear cover
- side wall
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000178 monomer Substances 0.000 claims abstract description 25
- 238000009423 ventilation Methods 0.000 claims abstract description 21
- 239000007769 metal material Substances 0.000 claims abstract description 9
- 125000006850 spacer group Chemical group 0.000 claims description 25
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 239000011358 absorbing material Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention provides a loudspeaker box, which comprises a sounding monomer, a ventilation rubber ring assembly and a shell made of metal materials, wherein the shell comprises a front cover, a rear cover and a first bracket, the front cover comprises a front cover plate and a front cover side wall, and the front cover side wall is provided with a sound outlet; the first bracket is provided with a through hole, and the sounding monomer faces the through hole and is supported and fixed on the first bracket; the rear cover is covered and fixed on one side of the first bracket far away from the front cover, and the first bracket, the sounding monomer and the rear cover jointly enclose a rear sound cavity; the side wall of the front cover is supported and fixed on the first bracket, the front cover plate is spaced from the sounding monomer, the first bracket, the front cover and the sounding monomer jointly enclose a front sound cavity, and the sound outlet communicates the front sound cavity with the outside to form a side sounding structure; the breathable rubber ring assembly is attached and fixed to one side, far away from the rear cover, of the front cover and the side wall of the front cover, and completely covers the sound outlet, and the sound outlet is communicated with the outside air through the breathable rubber ring assembly. Compared with the related art, the loudspeaker box has the advantages of large cavity volume and good acoustic performance.
Description
[ Field of technology ]
The invention relates to the field of electroacoustic conversion, in particular to a loudspeaker box applied to a portable mobile electronic product.
[ Background Art ]
The loudspeaker box is widely applied to portable mobile electronic products, such as mobile phones, and is capable of converting audio signals into sound for playing, and has the advantages of high loudness and good low-frequency sound effect.
The loudspeaker box of the related art comprises a front cover, a rear cover and a sounding monomer, wherein the rear cover is covered on the front cover and jointly encloses an accommodating space, the sounding monomer is accommodated in the accommodating space, and the accommodating space is divided into a front cavity and a rear cavity by the sounding monomer.
However, the front cover and the rear cover of the speaker box of the related art are injection molded, and the sealing of the sounding monomer is realized by adopting an ultrasonic welding mode, so that more volume is required for ultrasonic welding, thereby limiting the volume design of the front cavity and the rear cavity, and further limiting the acoustic performance.
Accordingly, there is a need to provide a new loudspeaker enclosure that solves the above mentioned technical problems.
[ Invention ]
The invention aims to provide a loudspeaker box with large cavity volume and good acoustic performance.
In order to achieve the above object, the present invention provides a speaker box, which includes a housing, a sounding unit fixedly accommodated in the housing, and a ventilation rubber ring assembly, wherein the sounding unit includes a vibrating diaphragm for vibrating and sounding, the housing is made of a metal material, the housing includes a front cover and a rear cover respectively positioned at two opposite sides of the sounding unit along a vibrating direction of the vibrating diaphragm, and a first bracket fixed between the front cover and the rear cover, the front cover includes a front cover plate opposite to the rear cover, and a front cover side wall bent and extended from a periphery of the front cover plate to a direction of the rear cover, and the front cover side wall is provided with a sound outlet penetrating through the front cover side wall; the sound production unit is characterized in that the first bracket is provided with a through hole penetrating through the first bracket, and one side, provided with the vibrating diaphragm, of the sound production unit faces the through hole and is supported and fixed on the first bracket; the rear cover is fixed on one side, far away from the front cover, of the first bracket, and the first bracket, the sounding monomer and the rear cover jointly enclose a sealed rear sound cavity; the side wall of the front cover is supported and fixed on one side, far away from the rear cover, of the first bracket, the front cover plate and the sounding single body are arranged at intervals, the first bracket, the front cover and the sounding single body jointly enclose a front sound cavity, and the sound outlet communicates the front sound cavity with the outside to form a side sounding structure; the breathable rubber ring assembly is attached and fixed to one side, far away from the rear cover, of the front cover, the side wall of the front cover and the sound outlet are completely covered, and the sound outlet is communicated with the outside air through the breathable rubber ring assembly.
Preferably, the ventilation rubber ring assembly comprises a ventilation piece, a first rubber ring and a second rubber ring, wherein the first rubber ring and the second rubber ring are annular and are respectively attached and fixed to the peripheries of two opposite sides of the ventilation piece, the ventilation piece completely covers the sound outlet, the first rubber ring is respectively attached and fixed to the front cover plate and the side wall of the front cover, and the second rubber ring is attached and fixed to one side, away from the first rubber ring, of the ventilation piece.
Preferably, the first rubber ring and the second rubber ring are both made of double-sided adhesive tape.
Preferably, the first bracket comprises a bracket body in a ring shape, a bracket side wall which is bent and extended from the outer periphery of the bracket body to the rear cover direction, and a supporting step which is bent and extended from the inner periphery of the bracket body to the direction away from the rear cover and surrounds the through opening, wherein the sounding monomer is supported and fixed on one side of the supporting step, which is close to the rear cover, the rear cover is fixed on the bracket side wall, and the front cover side wall is supported and fixed on one side of the supporting step away from the rear cover.
Preferably, the speaker box further comprises a second bracket made of plastic and positioned in the rear sound cavity, the second bracket is supported and fixed on the bracket body and is arranged around the periphery of the sounding unit, and the ventilation spacer is fixed on the second bracket and separates the sounding unit from the rear sound cavity.
Preferably, the rear cover comprises a rear cover body and a rear cover side wall which is bent and extended from the periphery of the rear cover body to the front cover direction, and the rear cover side wall is fixed on the bracket side wall.
Preferably, the ventilation separator comprises a separator body which is opposite to the rear cover body at intervals and is attached to the sounding monomer, a separator extension part which is bent and extended from the periphery of the separator body towards the bracket direction, and a separator fixing part which is bent and extended from one end of the separator extension part away from the separator body; the spacer extending part and the side wall of the front cover are arranged at intervals, and the spacer fixing part is attached and fixed on one side, close to the rear cover, of the second bracket; the ventilation isolation piece, the first support, the second support and the rear cover jointly enclose a powder filling space, and the powder filling space is used for filling sound absorbing materials.
Preferably, the speaker box further includes a conductive member for connecting the sounding unit with external electrical signals, the conductive member includes a conductive member body supported and fixed at one end of the second bracket near the rear cover, a connecting arm extending from two ends of the conductive member body toward the sounding unit and fixedly and electrically connected with the sounding unit, and an extension arm extending from the conductive member body toward a direction away from the sounding unit and penetrating through the side wall of the rear cover and the side wall of the bracket; the second support is close to one side of the rear cover and sunken to form a containing groove, the conducting piece body is arranged in the containing groove and enabled to be flush with one side of the second support, close to the rear cover, of the conducting piece body, and the isolating piece extension portion is simultaneously pressed and fixed to the conducting piece body and the second support.
Preferably, the first bracket and the second bracket are integrally injection molded.
Compared with the related art, in the loudspeaker box, the front cover, the rear cover and the first bracket of the shell are all made of metal materials, and the sounding monomer is supported and fixed on the first bracket; the front cover side walls of the rear cover and the front cover are respectively fixed on two opposite sides of the first bracket in a covering manner, in the structure, the first metal bracket is combined with the rear metal cover, the front metal cover is combined with the first metal bracket, and the front metal cover can be designed to be thinner relative to the whole plastic shell structure on the premise of ensuring the structural strength of the shell, so that the cavity volume in the shell is greatly improved, the volume of a rear sound cavity enclosed by a sound-producing monomer and the shell is effectively increased, and the acoustic performance, particularly the low-frequency acoustic performance, of the loudspeaker box is improved. In addition, in the loudspeaker box, the sound outlet is formed by being attached and fixed on one side, far away from the rear cover, of the front cover and the side wall of the front cover and completely covers the sound outlet, and the sound outlet is communicated with the outside air through the air-permeable rubber ring assembly.
[ Description of the drawings ]
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
Fig. 1 is a schematic perspective view of a speaker box according to the present invention;
Fig. 2 is a partially exploded perspective view of the speaker box of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is an enlarged view of a portion of the view shown in FIG. 3B;
Fig. 5 is a schematic perspective view of a breathable rubber ring assembly of a speaker box according to the present invention
Fig. 6 is a partially exploded perspective view of a breathable rubber ring assembly of a loudspeaker enclosure of the present invention.
[ Detailed description ] of the invention
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a speaker box 100, which includes a housing 1, a sound generating unit 2 having a diaphragm 21 and fixedly accommodated in the housing 1, and a ventilation rubber ring assembly 6.
The shell 1 is made of a metal material. The housing 1 includes a front cover 11 and a rear cover 12 respectively located at opposite sides of the sounding body 2 in a vibration direction of the diaphragm 21, and a first bracket 13 fixed between the front cover 11 and the rear cover 12.
Specifically, the front cover 11 includes a front cover 111 disposed opposite to the rear cover 12, and a front cover side wall 112 extending from a peripheral edge of the front cover 111 in a direction of the rear cover 12.
The front cover side wall 112 is provided with the sound outlet 10 penetrating therethrough.
The front cover 111 and the front cover side wall 112 may be formed as separate parts or may be integrally formed. In this embodiment, the front cover 111 and the front cover side wall 112 are integrally formed.
The front cover side wall 112 is supported and fixed on one side of the first bracket 13 away from the rear cover 12, and the front cover plate 111 and the sounding unit 2 are arranged at intervals, and the front sound cavity 101 is defined by the first bracket 13, the front cover 11 and the sounding unit 2 together. The diaphragm 21 is accommodated in the front acoustic chamber 101. The sound outlet 10 is located in the front cover side wall 112. The sound outlet 10 communicates the front sound cavity 101 with the outside to form a side sound structure, which improves the air smoothness between the side sound and the outside, so that the audio quality of the speaker box 100 is improved.
The rear cover 12 includes a rear cover body 121 and a rear cover sidewall 122 extending from the periphery of the rear cover body 121 in a direction of the front cover 11.
The rear cover 12 is fixed to the side of the first bracket 13 away from the front cover 11 in a covering manner, and forms a sealing fixation. Specifically, the rear cover sidewall 122 is fixed to a side of the first bracket 13 away from the front cover 11. The sounding unit 2, the first bracket 13 and the rear cover 12 together enclose a closed rear acoustic cavity 102.
In this embodiment, the rear cover 12 is welded to the first bracket 13 to form a fixation, the front cover side wall 11 is welded to the first bracket 13 to form a fixation, and the front cover 11 and the rear cover 12 can be designed to be thinner and have more reliable fixation strength than the plastic structure in the prior art.
In the above structure, the front cover 11, the rear cover 12 and the first bracket 13 are made of metal materials, and the first bracket 13 made of metal materials is fixed to the rear cover 11 to support and fix the sounding unit 2 and form the rear sound cavity 102, and the first bracket 13 made of metal materials is fixed to the front cover 11 to form the front sound cavity 101.
The first bracket 13 includes a through hole 130 penetrating therethrough, a ring-shaped bracket body 131, a bracket sidewall 132 extending from the outer periphery of the bracket body 131 to the direction of the rear cover 12, and a supporting step 133 extending from the inner periphery of the bracket body 131 to the direction away from the rear cover 12 and surrounding the through hole 130.
The side, provided with the vibrating diaphragm 21, of the sounding monomer 2 faces the through hole 130 and is supported and fixed on the first bracket 13, and the first bracket 13 and the sounding monomer 2 form sealing and fixing.
The rear cover 12 is fixed to the bracket sidewall 132, and specifically, the rear cover sidewall 122 is fixed to the bracket sidewall 132. The front cover side wall 112 is supported and fixed to a side of the support step 133 away from the rear cover 12. The structure has high strength, can be designed to be thinner than an all-plastic shell structure, and can also effectively assemble the sounding monomer 2, so that the cavity volumes of the rear cover 12 and the first bracket 13 are greatly improved, the volume of a rear sound cavity 10 enclosed by the sounding monomer 2 and the rear cover 12 is effectively increased, and the acoustic performance, particularly the low-frequency acoustic performance, of the loudspeaker box 100 is improved.
The diaphragm 21 of the sound generating unit 2 is used for vibration sound generation. Specifically, the diaphragm 21 includes a vibrating portion 211, a ring portion 212 bent and extended from the periphery of the vibrating portion 211, and a diaphragm fixing portion 213 bent and extended from the ring portion 212 in a direction away from the vibrating portion 211. The sounding unit 2 is supported and fixed on one side of the supporting step 133 near the rear cover 12. Specifically, the support step 133 is supported and fixed on the diaphragm fixing portion 213, so that the first bracket 13, the diaphragm 21, the first bracket 13, and the front cover 11 together enclose the front acoustic chamber 101, and the speaker box 100 is easy to assemble and has high reliability.
The loudspeaker enclosure further comprises a second holder 3 made of plastic inside the rear sound chamber 102. The second bracket 3 is supported and fixed on the bracket body 131 and is arranged around the circumference of the sounding unit 2.
The first bracket 13 and the second bracket 3 may be manufactured and fixed separately, but the present invention is not limited thereto, and the first bracket 13 and the second bracket 3 may be integrally injection molded. This structure makes the manufacture of the loudspeaker enclosure 100 simpler and easy to assemble.
To further improve the low frequency acoustic performance of the loudspeaker enclosure 100, the loudspeaker enclosure 100 further comprises a gas permeable barrier 4 located within the rear acoustic chamber 102. The ventilation spacer 4 is fixed to the second bracket 3 and separates the sound generating unit 2 from the rear sound chamber 102, so that the rear sound chamber 102 can be filled with sound absorbing material.
Specifically, the ventilation spacer 4 includes a spacer body 41 that is opposite to the rear cover body 121 at a distance and is attached to the sounding unit 2, a spacer extension portion 42 that extends from the periphery of the spacer body 41 to the direction of the bracket 3, and a spacer fixing portion 43 that extends from one end of the spacer extension portion 42 away from the spacer body 41. The spacer extension 42 is spaced from the front cover side wall 112. The spacer fixing portion 43 is provided on a side of the second bracket 3 close to the rear cover 12. The ventilation spacer 4, the first bracket 13, the second bracket 3 and the rear cover 12 together enclose a powder filling space, and the powder filling space is used for filling sound-absorbing materials, such as sound-absorbing particles, sound-absorbing cotton and the like.
The speaker box 100 further includes a conductive member 5 for electrically connecting the sounding unit 2 to an external signal.
In this embodiment, the conductive member 5 includes a conductive member body 51 supported and fixed on one end of the second bracket 3 near the rear cover 12, a connection arm 52 extending from two ends of the conductive member body 51 toward the sounding unit 2 and fixedly and electrically connected to the sounding unit 2, and an extension arm 53 extending from the conductive member body 51 toward a direction away from the sounding unit 2 and penetrating through the rear cover side wall 122 and the bracket side wall 132.
In this embodiment, the extension arm 53 penetrates both the front cover side wall 112 and the rear cover side wall 122. The structure is convenient to assemble, and the position penetrating through the outer side wall 112 of the front cover and the position penetrating through the side wall 122 of the rear cover can be used as assembly positioning in advance, so that the assembly efficiency is improved.
In order to form an effective seal when the air-permeable spacer 4 is fixed to the bracket 3, and ensure that the sound absorbing material in the powder filling space does not enter the sound generating unit 2 to affect the performance of the sound generating unit, in this embodiment, a receiving groove 30 is formed in a recess in a side of the second bracket 3 adjacent to the rear cover 12. The conductive member body 51 is disposed in the accommodating groove 30, so that the conductive member body 51 is flush with a side of the second bracket 3 near the rear cover 12. The spacer extension 42 is simultaneously press-fixed to the conductive member body 51 and the second bracket 3.
To further improve the reliability of the loudspeaker enclosure 100, the loudspeaker enclosure 100 further comprises a gas permeable rubber ring assembly 6.
Specifically, the air-permeable rubber ring assembly 6 includes an air-permeable member 61, and a first rubber ring 62 and a second rubber ring 63 that are both annular and respectively attached to the peripheries of the two opposite sides of the air-permeable member 61.
The sound outlet 10 is completely covered by the air-permeable rubber ring assembly 6, and the sound outlet 10 is communicated with the outside air through the air-permeable rubber ring assembly 6. Specifically, the ventilation member 61 completely covers the sound outlet 10. This structure can prevent foreign matter from entering the front sound cavity 101 while the sound outlet 10 is communicated with the outside through the air-permeable rubber ring assembly 6, thereby improving the reliability of the speaker box 100.
In this embodiment, the ventilation member 61 is a mesh.
The air-permeable rubber ring assembly 6 is adhered and fixed to one side of the front cover plate 111 away from the rear cover 12, and the side wall 112 of the front cover. Specifically, the first rubber ring 62 is respectively attached to the front cover 111 and the front cover side wall 112. The second rubber ring 63 is attached to and fixed to a side of the ventilation member 61 away from the first rubber ring 62. The second rubber ring 63 is used for sealing with the whole machine, so as to increase the sealing reliability of the speaker box 100. In this embodiment, the first rubber ring 62 and the second rubber ring 63 are both made of double sided tape. Of course, the present invention is not limited to this, and other adhesives that can be stuck on both sides are also possible.
Compared with the related art, in the loudspeaker box, the front cover, the rear cover and the first bracket of the shell are all made of metal materials, and the sounding monomer is supported and fixed on the first bracket; the front cover side walls of the rear cover and the front cover are respectively fixed on two opposite sides of the first bracket in a covering manner, in the structure, the first metal bracket is combined with the rear metal cover, the front metal cover is combined with the first metal bracket, and the front metal cover can be designed to be thinner relative to the whole plastic shell structure on the premise of ensuring the structural strength of the shell, so that the cavity volume in the shell is greatly improved, the volume of a rear sound cavity enclosed by a sound-producing monomer and the shell is effectively increased, and the acoustic performance, particularly the low-frequency acoustic performance, of the loudspeaker box is improved. In addition, in the loudspeaker box, the sound outlet is formed by being attached and fixed on one side, far away from the rear cover, of the front cover and the side wall of the front cover and completely covers the sound outlet, and the sound outlet is communicated with the outside air through the air-permeable rubber ring assembly.
While the invention has been described with respect to the above embodiments, it should be noted that modifications can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the invention.
Claims (8)
1. The loudspeaker box comprises a shell and a sounding monomer fixedly accommodated in the shell, wherein the sounding monomer comprises a vibrating diaphragm for vibrating and sounding, and is characterized in that the shell is made of a metal material and comprises a front cover, a rear cover and a first bracket, wherein the front cover and the rear cover are respectively positioned on two opposite sides of the sounding monomer along the vibrating direction of the vibrating diaphragm, the first bracket is fixed between the front cover and the rear cover, the front cover comprises a front cover plate and a front cover side wall, the front cover plate is arranged opposite to the rear cover, and the front cover side wall is bent and extended from the periphery of the front cover plate to the direction of the rear cover, and the front cover side wall is provided with a sound outlet penetrating through the front cover side wall; the sound production unit is characterized in that the first bracket is provided with a through hole penetrating through the first bracket, and one side, provided with the vibrating diaphragm, of the sound production unit faces the through hole and is supported and fixed on the first bracket; the rear cover is fixed on one side, far away from the front cover, of the first bracket, and the first bracket, the sounding monomer and the rear cover jointly enclose a sealed rear sound cavity; the side wall of the front cover is supported and fixed on one side, far away from the rear cover, of the first bracket, the front cover plate and the sounding single body are arranged at intervals, the first bracket, the front cover and the sounding single body jointly enclose a front sound cavity, and the sound outlet communicates the front sound cavity with the outside to form a side sounding structure; the loudspeaker box further comprises a ventilation rubber ring assembly, the ventilation rubber ring assembly is fixedly attached to one side, far away from the rear cover, of the front cover and the side wall of the front cover, and completely covers the sound outlet, and the sound outlet is communicated with the outside air through the ventilation rubber ring assembly;
the first support comprises a support body which is annular, a support side wall which is bent and extended from the outer periphery of the support body to the rear cover direction, and a support step which is bent and extended from the inner periphery of the support body to the rear cover direction and surrounds the through opening, wherein the sounding monomer is supported and fixed on one side, close to the rear cover, of the support step, the rear cover is fixed on the support side wall, and the front cover side wall is supported and fixed on one side, away from the rear cover, of the support step.
2. The loudspeaker enclosure of claim 1, wherein the air-permeable rubber ring assembly comprises an air-permeable member, and a first rubber ring and a second rubber ring which are annular and respectively attached and fixed to the peripheries of two opposite sides of the air-permeable member, the air-permeable member completely covers the sound outlet, the first rubber ring is respectively attached and fixed to the front cover plate and the front cover side wall, and the second rubber ring is attached and fixed to one side of the air-permeable member away from the first rubber ring.
3. The loudspeaker enclosure of claim 2, wherein the first and second rubber rings are each made of double sided tape.
4. The loudspeaker enclosure of claim 1, further comprising a second bracket made of plastic positioned within the rear acoustic chamber, the second bracket being supportably secured to the bracket body and disposed around a peripheral side of the sound-emitting cell, and a breathable barrier secured to the second bracket and separating the sound-emitting cell from the rear acoustic chamber.
5. The loudspeaker enclosure of claim 4, wherein the rear cover includes a rear cover body and a rear cover side wall extending from a peripheral edge of the rear cover body in a direction of the front cover, the rear cover side wall being fixed to the bracket side wall.
6. The loudspeaker enclosure of claim 5, wherein the air-permeable spacer includes a spacer body facing the rear cover body at a distance therefrom and attached to the sound-generating unit, a spacer extension bent and extended from a peripheral edge of the spacer body toward the bracket, and a spacer fixing portion bent and extended from an end of the spacer extension away from the spacer body; the spacer extending part and the side wall of the front cover are arranged at intervals, and the spacer fixing part is attached and fixed on one side, close to the rear cover, of the second bracket; the ventilation isolation piece, the first support, the second support and the rear cover jointly enclose a powder filling space, and the powder filling space is used for filling sound absorbing materials.
7. The loudspeaker box according to claim 6, further comprising a conductive member for electrically connecting the sounding unit with an external signal, the conductive member comprising a conductive member body supported and fixed to one end of the second bracket near the rear cover, connecting arms extending from both ends of the conductive member body toward the sounding unit and fixedly and electrically connected to the sounding unit, and extension arms extending from the conductive member body away from the sounding unit and penetrating through the rear cover side wall and the bracket side wall at the same time; the second support is close to one side of the rear cover and sunken to form a containing groove, the conducting piece body is arranged in the containing groove and enabled to be flush with one side of the second support, close to the rear cover, of the conducting piece body, and the isolating piece extension portion is simultaneously pressed and fixed to the conducting piece body and the second support.
8. The loudspeaker enclosure of claim 4, wherein the first bracket is integrally injection molded with the second bracket.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010880945.2A CN112073855B (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
| PCT/CN2020/123580 WO2022041442A1 (en) | 2020-08-27 | 2020-10-26 | Loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010880945.2A CN112073855B (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112073855A CN112073855A (en) | 2020-12-11 |
| CN112073855B true CN112073855B (en) | 2024-06-18 |
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ID=73659101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010880945.2A Active CN112073855B (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112073855B (en) |
| WO (1) | WO2022041442A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112468911B (en) * | 2020-12-18 | 2022-05-31 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and assembling process thereof |
| CN113473351B (en) * | 2021-06-28 | 2023-04-25 | 歌尔股份有限公司 | Speaker module, processing technology of isolation mesh assembly and electronic equipment |
| CN113993033B (en) * | 2021-10-13 | 2024-02-06 | 维沃移动通信有限公司 | Electronic equipment, audio adjustment methods and devices |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210016623U (en) * | 2019-05-21 | 2020-02-04 | 瑞声科技(新加坡)有限公司 | speaker box |
| CN211321501U (en) * | 2020-01-09 | 2020-08-21 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001097563A1 (en) * | 2000-06-09 | 2001-12-20 | Ziyi Cheng | A noise-suppressing receiver |
| US7885418B1 (en) * | 2007-01-17 | 2011-02-08 | William Brian Hallman | Acoustic actuator and passive attenuator incorporating a lightweight acoustic diaphragm with an ultra low resonant frequency coupled with a shallow enclosure of small volume |
| CN103221896B (en) * | 2010-08-19 | 2017-06-09 | 苹果公司 | Portable electric appts |
| US20130301863A1 (en) * | 2011-04-28 | 2013-11-14 | Nflukz, Llc | Hand-held electronic device and/or cover for a hand-held electronic device |
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| CN110198510B (en) * | 2018-02-26 | 2022-04-15 | 歌尔股份有限公司 | Sound generator |
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| CN210641067U (en) * | 2019-05-21 | 2020-05-29 | 瑞声科技(新加坡)有限公司 | speaker box |
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| CN211321500U (en) * | 2020-01-09 | 2020-08-21 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN211321488U (en) * | 2020-01-09 | 2020-08-21 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN111314807A (en) * | 2020-02-19 | 2020-06-19 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
-
2020
- 2020-08-27 CN CN202010880945.2A patent/CN112073855B/en active Active
- 2020-10-26 WO PCT/CN2020/123580 patent/WO2022041442A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210016623U (en) * | 2019-05-21 | 2020-02-04 | 瑞声科技(新加坡)有限公司 | speaker box |
| CN211321501U (en) * | 2020-01-09 | 2020-08-21 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022041442A1 (en) | 2022-03-03 |
| CN112073855A (en) | 2020-12-11 |
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