CN112351356A - Loudspeaker box - Google Patents
Loudspeaker box Download PDFInfo
- Publication number
- CN112351356A CN112351356A CN202010880889.2A CN202010880889A CN112351356A CN 112351356 A CN112351356 A CN 112351356A CN 202010880889 A CN202010880889 A CN 202010880889A CN 112351356 A CN112351356 A CN 112351356A
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- Prior art keywords
- sound
- cover plate
- upper cover
- fixed
- fixing ring
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- 239000000178 monomer Substances 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000007769 metal material Substances 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 15
- 239000011358 absorbing material Substances 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000002955 isolation Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Images
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
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- 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 shell, a sound production monomer and a support, wherein the shell is provided with an accommodating space and is made of a metal material; the shell comprises a fixed ring, an upper cover plate and a lower cover plate, wherein the upper cover plate and the lower cover plate are respectively fixed on the fixed ring and form an accommodating space together with the fixed ring; the support comprises an annular support body and a sound guide part, wherein the annular support body is hermetically fixed with the upper cover plate, the sound guide part is formed by extending the support body and is provided with a sound guide channel, the sound generating single body is supported and hermetically fixed on the support body and is spaced from the upper cover plate, the sound generating single body, the support and the upper cover plate jointly enclose a front sound cavity, and the sound guide channel is communicated with the front sound cavity; the fixed ring is provided with a sound outlet, the sound guide part is abutted against the fixed ring and covers the sound outlet, the sound guide channel is communicated with the sound outlet, and the support, the sound production monomer, the fixed ring, the lower cover plate and the upper cover plate jointly enclose a closed rear sound cavity. Compared with the related art, the loudspeaker box disclosed by the invention has excellent low-frequency acoustic performance.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of electroacoustic conversion, in particular to a loudspeaker box applied to a portable mobile electronic product.
[ background of the invention ]
The loudspeaker box is widely applied to portable mobile electronic products, such as mobile phones, so that audio signals are converted into sound to be played, the loudspeaker box is high in loudness, and the low-frequency sound effect is good.
The loudspeaker box in the related art comprises a front cover, a rear cover and a sound generating unit, wherein the rear cover is covered on the front cover and jointly forms an accommodating space, the sound generating unit is accommodated in the accommodating space, and the accommodating space is divided into a front cavity and a rear cavity by the sound generating unit.
However, in the related art, the front cover and the rear cover of the speaker box are formed by injection molding, and the sound generating unit is sealed by ultrasonic welding, which requires more volume, so that the volume design of the front cavity and the rear cavity is limited, and the acoustic performance is limited.
Therefore, there is a need to provide a new speaker box to solve the above technical problems.
[ summary of the invention ]
The invention aims to provide a loudspeaker box with good low-frequency acoustic performance.
In order to achieve the above object, the present invention provides a speaker box, which includes a housing having an accommodating space and a sound generating unit fixedly accommodated in the accommodating space, wherein the sound generating unit includes a vibrating diaphragm for vibrating sound; the casing is made of metal materials and comprises annular fixed rings, an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are respectively covered and fixed on two opposite sides of the fixed rings and jointly enclose the fixed rings to form the accommodating space, and the sounding units, the upper cover plate, the lower cover plate and the fixed rings jointly enclose a closed rear sound cavity; the fixing ring comprises a fixing ring main body and an accommodating step which is formed by sinking the fixing ring main body towards the direction close to the sounding monomer, and the accommodating step is provided with a powder filling hole penetrating through the accommodating step; the loudspeaker box also comprises a sealing cover which is fixedly covered on the accommodating step and completely covers the powder filling hole.
Preferably, the accommodating step comprises two connecting walls which are respectively bent and extended in the direction close to the sounding unit body and are arranged at intervals by the fixing ring main body and a bottom wall which is connected with the fixing ring main body and is arranged at intervals and is connected with the two connecting walls, the powder filling hole penetrates through the bottom wall, and the sealing cover is fixed on the bottom wall.
Preferably, the outer side face of the sealing cover, which is far away from the sounding monomer, is flush with the outer side face of the fixing ring main body, which is far away from the sounding monomer, on the side.
Preferably, the speaker box further comprises an annular support made of plastic and located in the accommodating space, the support is fixedly connected with the upper cover plate, the sounding unit and the support are hermetically fixed and arranged at intervals with the upper cover plate, and the vibrating diaphragm, the support and the upper cover plate jointly enclose a front sound cavity; the fixed ring body is provided with a sound outlet which penetrates through the fixed ring body and is communicated with the outside, the support is provided with a sound guide channel which penetrates through the support, the sound guide channel is used for communicating the front sound cavity with the sound outlet, and the sound generating unit, the support and the shell jointly form a closed rear sound cavity in a surrounding mode.
Preferably, the support including be fixed in upper cover plate and butt in gu fixed ring body just be annular support body and form in the location step of support body internal periphery, sound production monomer support in location step, the support body encircles sound production monomer's week side set up and with sound production monomer forms sealed fixed.
Preferably, the loudspeaker box further comprises a breathable isolating piece located in the rear sound cavity, and the breathable isolating piece is attached to the sound generating unit and separates the sound generating unit from the rear sound cavity.
Preferably, the breathable isolating piece comprises an isolating piece body which is opposite to the lower cover plate at intervals and is attached to the sounding single body, an isolating piece extending part which is bent and extended from the periphery of the isolating piece body to the direction of the support, and an isolating piece fixing part which is bent and extended from one end, far away from the isolating piece body, of the isolating piece extending part; the isolating piece extending part is arranged at a distance from the shell, and the isolating piece fixing part is fixed on one side of the bracket body close to the lower cover plate; the breathable partition, the support and the shell jointly enclose a powder filling space, sound-absorbing materials are filled in the powder filling space through the powder filling hole, and the sound-absorbing materials are packaged in the powder filling space through the sealing cover.
Preferably, the speaker box further comprises a conductive piece for connecting the sounding monomer with an external electrical signal, wherein the conductive piece comprises a conductive piece body which is supported and fixed at one end of the bracket body close to the lower cover plate, a connecting arm which extends from two ends of the conductive piece body to the sounding monomer and is fixedly and electrically connected with the sounding monomer, and an extension arm which extends from the conductive piece body to a direction far away from the sounding monomer and penetrates through the shell; the isolating piece fixing part is simultaneously pressed and fixed on the conductive piece body and the bracket body.
Compared with the prior art, the loudspeaker box is characterized in that the shell is made of metal materials, the shell comprises annular fixing rings, an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are respectively covered and fixed on two opposite sides of the fixing rings and enclose an accommodating space together with the fixing rings, and the sounding units, the upper cover plate, the lower cover plate and the fixing rings enclose a sealed rear sound cavity together; the fixing ring comprises a fixing ring main body and an accommodating step which is formed by sinking the fixing ring main body to the direction close to the sounding monomer, and the accommodating step is provided with a powder filling hole penetrating through the accommodating step; the loudspeaker box also comprises a sealing cover which is covered and fixed on the containing step and completely covers the powder filling hole; in the structure, gu fixed ring, the upper cover plate, the integrated configuration of lower cover plate and support, the casing is made for metal material, then gu fixed ring, upper cover plate and lower cover plate can adopt thinner steel sheet to make, this structure sets up under the prerequisite of guaranteeing the structural strength of casing, and for the plastic casing shell structure of correlation technique, the casing can be designed thinly, and the support and the upper cover plate combination of making through plastic material, be used for supporting fixed sound production monomer, again can effectual assembly sound production monomer, thereby the cavity volume in the very big degree improvement casing, the effectual volume that has increased the back sound chamber that sound production monomer and casing enclose, and then the acoustic performance of speaker box has been improved, especially low frequency acoustic performance.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic perspective view of a speaker box according to the present invention;
FIG. 2 is an exploded perspective view of a portion of the speaker box of the present invention;
FIG. 3 is an exploded perspective view of another angle of the speaker box of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 1;
fig. 5 is an enlarged view of a portion B shown in fig. 4.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a speaker box 100, which includes a housing 1 having an accommodating space 10, a sound generating unit 2 fixedly accommodated in the accommodating space 10, and a bracket 3 located in the accommodating space 10.
The housing 1 is made of a metal material, and may be a separate structure or an integrated structure, for example, in the embodiments in this market, the housing 1 is a separate structure, and includes an annular fixing ring 11 made of a metal material, and an upper cover plate 12 and a lower cover plate 13 respectively covering and fixing the two opposite sides of the fixing ring 11, the upper cover plate 12, the lower cover plate 13 and the fixing ring 11 together enclose the accommodating space 10, and the fixing ring 11 is provided with a sound outlet 110 penetrating through the fixing ring and communicating with the outside.
It is worth mentioning that the upper cover plate 12 and the fixing ring 11 are fixedly sealed by welding, and the lower cover plate 13 and the fixing ring 11 are fixedly sealed by riveting, so that the assembly of the shell 1 is simpler and more convenient; of course, in other embodiments, it is also possible that both the upper cover plate and the lower cover plate are sealed and fixed with the fixing ring by means of metal welding.
The support 3 is made of plastic and is of an annular structure, and the support 3 and the upper cover plate 12 are fixedly connected. Preferably, the upper cover plate 12 and the bracket 3 are integrally injection-molded, so that the assembly of the upper cover plate and the bracket is simplified, and the fixing reliability between the upper cover plate and the bracket is improved.
The sounding unit 2 comprises a vibrating diaphragm 21 for vibrating and sounding, and the sounding unit 2 is fixedly supported on the support 3 and forms a sealed fixation with the support 3, so that the sounding unit 2, the support 3, the upper cover plate 12, the lower cover plate 13 and the fixing ring 11 jointly enclose a sealed rear sounding cavity 102.
More specifically, in order to fill the rear sound cavity 102 with sound absorbing material more conveniently, in the present embodiment, the fixing ring 11 includes a fixing ring main body 111 and a containing step 112 formed by bending and recessing the fixing ring main body 111 in a direction close to the sound generating unit 2, the containing step 112 is provided with a powder filling hole 1120 penetrating through the containing step, and the powder filling hole 1120 is communicated with the rear sound cavity 102; the speaker box 100 further includes a sealing cover 4 covering and fixing the accommodating step 112 and completely covering the powder filling hole 1120.
Further, the accommodating step 112 includes two connecting walls 1121 and a bottom wall 1122, the two connecting walls 1121 are bent and extended from the fixing ring main body 111 to a direction close to the sound generating unit 2, the two connecting walls 1121 are spaced apart from each other, the powder filling hole 1120 penetrates through the bottom wall 1122, and the sealing cover 4 is fixed to the bottom wall 1122.
More preferably, sealed lid 4 is kept away from sound production monomer 2's lateral surface 41 and this side fixed ring main part 111 is kept away from sound production monomer 2's lateral surface 1111 parallel and level, this setting makes sealed lid 4's setting can not increase speaker box 100's overall dimension makes speaker box 100's lateral surface is more level and more smooth.
In the structure, the combined structure of the fixing ring 11, the upper cover plate 12, the lower cover plate 13 and the bracket 3 is respectively the fixing ring 11, the upper cover plate 12 and the lower cover plate 13 which are made of metal materials and are combined together to form the shell 1, the shell formed by the three parts can be made of thin steel sheets, the structure is arranged on the premise of ensuring the structural strength of the shell 1, compared with the all-plastic shell structure in the related art, the shell 1 can be designed to be thinner, the bracket 3 made of plastic materials is combined with the upper cover plate 12 to support and fix the sounding monomer 2 and effectively assemble the sounding monomer 2, thereby greatly improving the cavity volume in the shell 1, effectively increasing the volume of the rear sound cavity 102 enclosed by the sounding monomer 2 and the shell 1 and further improving the acoustic performance of the loudspeaker box, in particular low frequency acoustic performance; here, the powder filling hole 1120 and the sealing cover 4 are matched with each other, so that the sound-absorbing material can be filled into the rear sound cavity 102 more conveniently, and the efficiency of filling the sound-absorbing material is improved.
The bracket 3 is fixedly connected with the upper cover plate 12, and specifically, the bracket 3 includes a ring-shaped bracket body 31 fixed to the upper cover plate 12 in a sealing manner, a positioning step 32 formed on an inner periphery of the bracket body 31, and a sound guide portion 33 formed by extending the bracket body 31 and having a sound guide channel 30.
The side, provided with the vibrating diaphragm 21, of the sound generating unit 2 is supported, sealed and fixed to the support body 31 and spaced from the upper cover plate 12, the sound generating unit 2, the support 3 and the upper cover plate 12 jointly form a front sound cavity 101, the sound guide part 33 abuts against the fixing ring 11 and completely covers the sound outlet 110, and the front sound cavity 101 is communicated with the sound outlet 110 through the sound guide channel 30 to form a side sound generating structure of the loudspeaker box 100.
The support body 31 is fixed in the protecgulum body 111 and butt in the protecgulum lateral wall 112, location step 32 by the internal periphery of support body 31 is along the perpendicular the sunken formation of vibration direction, sound conduction portion 33 by the outside of support body 31 is along the perpendicular the vibration direction protrusion extends and forms, sound production monomer 2 is equipped with one side of vibrating diaphragm 21 is supported sealed and is fixed in location step 32 keeps away from upper cover plate 12 one side, sound conduction portion 33 butt in the protecgulum lateral wall 112. The sound outlet 110 is along perpendicular the vibration direction of vibrating diaphragm 21 runs through fixed ring body 111 sets up, support body 31 part encircles sound production monomer 2 week side sets up and with sound production monomer 2 forms sealedly fixed to make back sound chamber 102 form airtight space, be used for improving low frequency acoustic performance.
In order to further improve the low-frequency acoustic performance of the speaker 100, the speaker box 100 further includes a breathable isolation piece 5 located in the rear sound cavity 102, the breathable isolation piece 5 is attached to the sounding single body 2 and separates the sounding single body 2 from the rear sound cavity 102, so that the rear sound cavity 102 can be filled with sound-absorbing materials.
Specifically, the breathable isolation piece 5 includes a lower cover plate 13, an isolation piece body 51 opposite to and attached to the sound generating unit 1 at an interval, an isolation piece extension part 52 extending from the periphery of the isolation piece body 51 toward the support 3 in a bending manner, and an isolation piece fixing part 53 extending from one end of the isolation piece body 51 in a bending manner, which is away from the isolation piece extension part 52, and can be bent and extended toward a direction close to the fixing ring body 111, and can also be bent and extended toward a direction away from the fixing ring body 111. The spacer extension 52 is spaced apart from the housing 1, and the spacer fixing portion 52 is fixed to a side of the bracket body 31 close to the lower cover plate 13. Ventilative isolator 5 support 3, casing 1 enclose jointly and become to irritate the powder space, it is used for filling sound absorbing material to irritate the powder space, for example inhale the sound granule, inhale sound cotton etc. specifically, in actual assembling process, through irritate powder hole 1120 will inhale the sound material fill in irritate in the powder space, sealed lid 4 will sound absorbing material encapsulate in irritate in the powder space.
Preferably, the auxiliary acoustic cavity 103 is also filled with sound absorbing material to further optimize the low frequency acoustic performance.
The speaker box 100 further includes a conductive member 6 for connecting the sound generating unit 2 with an external electric signal. In this embodiment, the conductive device 6 includes a conductive device body 61 supported and fixed at one end of the bracket body 31 close to the lower cover plate 13, a connecting arm 62 extending from two ends of the conductive device body 61 to the sounding unit 2 and fixedly electrically connected to the sounding unit 2, and an extending arm 63 extending from the conductive device body 61 to a direction far away from the sounding unit 2 and penetrating through the housing 1. In this embodiment, the extension arm 63 penetrates through the fixing ring body 111, the position of the bracket body 31 opposite to the conductive member body 61 is recessed to form an accommodating groove 310, the conductive member body 61 is accommodated in the accommodating groove 310 and supported by the bracket body 31, the structure is convenient to assemble, and the position penetrating through the fixing ring body 111 can be used as an assembling location in advance, so that the assembly efficiency is improved.
In order to effectively seal the air-permeable isolating member 5 and the bracket 3 when they are fixed, and ensure that the sound-absorbing material in the powder filling space does not enter the sound-generating unit 2 and affect the performance thereof, in this embodiment, the isolating member fixing portion 53 is pressed and fixed on the conductive member body 61 and the bracket body 31 of the bracket 3.
Compared with the prior art, the loudspeaker box is characterized in that the shell is made of metal materials, the shell comprises annular fixing rings, an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are respectively covered and fixed on two opposite sides of the fixing rings and enclose an accommodating space together with the fixing rings, and the sounding units, the upper cover plate, the lower cover plate and the fixing rings enclose a sealed rear sound cavity together; the fixing ring comprises a fixing ring main body and an accommodating step which is formed by sinking the fixing ring main body to the direction close to the sounding monomer, and the accommodating step is provided with a powder filling hole penetrating through the accommodating step; the loudspeaker box also comprises a sealing cover which is covered and fixed on the containing step and completely covers the powder filling hole; in the structure, gu fixed ring, the upper cover plate, the integrated configuration of lower cover plate and support, the casing is made for metal material, then gu fixed ring, upper cover plate and lower cover plate can adopt thinner steel sheet to make, this structure sets up under the prerequisite of guaranteeing the structural strength of casing, and for the plastic casing shell structure of correlation technique, the casing can be designed thinly, and the support and the upper cover plate combination of making through plastic material, be used for supporting fixed sound production monomer, again can effectual assembly sound production monomer, thereby the cavity volume in the very big degree improvement casing, the effectual volume that has increased the back sound chamber that sound production monomer and casing enclose, and then the acoustic performance of speaker box has been improved, especially low frequency acoustic performance.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A loudspeaker box comprises a shell with an accommodating space and a sounding unit fixedly accommodated in the accommodating space, wherein the sounding unit comprises a vibrating diaphragm for vibrating and sounding, and the loudspeaker box is characterized in that the shell is made of a metal material and comprises an annular fixing ring, an upper cover plate and a lower cover plate, wherein the upper cover plate and the lower cover plate are respectively covered and fixed on two opposite sides of the fixing ring and jointly enclose the accommodating space with the fixing ring; the loudspeaker box also comprises a support which is positioned in the accommodating space and made of plastics, the support comprises an annular support body which is hermetically fixed with the upper cover plate and a sound guide part which is formed by extending the support body and is provided with a sound guide channel, one side of the sound generating monomer, which is provided with the vibrating diaphragm, is supported and hermetically fixed on the support body and is spaced from the upper cover plate, the sound generating monomer, the support and the upper cover plate jointly enclose a front sound cavity, and the sound guide channel is communicated with the front sound cavity; the fixed ring is provided with a sound outlet penetrating through the fixed ring, the sound guide part is abutted to the fixed ring and completely covers the sound outlet, the sound guide channel is communicated with the sound outlet, and the support is provided with a sound production monomer, the fixed ring is provided with a lower cover plate and an upper cover plate which jointly enclose a closed rear sound cavity.
2. The loudspeaker box as claimed in claim 1, wherein the fixing ring comprises a fixing ring main body and a containing step formed by bending and recessing the fixing ring main body in a direction close to the sounding unit, the containing step is provided with a powder filling hole penetrating through the containing step, and the powder filling hole is communicated with the rear sound cavity; the loudspeaker box also comprises a sealing cover which is fixedly covered on the containing step and completely covers the powder filling hole.
3. The speaker box according to claim 2, wherein the accommodating step includes two connecting walls that are bent and extended from the fixing ring main body to a direction close to the sound generating unit, respectively, and are disposed at intervals, and a bottom wall that is disposed at intervals from the fixing ring main body and is connected to the two connecting walls, the powder filling hole is disposed through the bottom wall, and the sealing cover is fixed to the bottom wall in a covering manner.
4. The speaker cabinet as claimed in claim 3, wherein an outer side surface of the sealing cover away from the sounding unit is flush with an outer side surface of the fixing ring main body on the side away from the sounding unit.
5. The speaker box according to claim 1, wherein a positioning step is formed on an inner peripheral edge of the bracket body, the sound generating unit is supported by the positioning step, and the bracket body ring portion is disposed around a peripheral side of the sound generating unit and forms a sealing fixation with the sound generating unit.
6. The speaker box of claim 5, further comprising a breathable spacer located within the rear acoustic chamber, the breathable spacer being attached to the sound-emitting units and separating the sound-emitting units from the rear acoustic chamber.
7. The speaker box according to claim 6, wherein the air-permeable partition includes a partition body spaced from and facing the lower cover plate and attached to the sound generating unit, a partition extending portion extending from a peripheral edge of the partition body in a bending manner toward the bracket, and a partition fixing portion extending from an end of the partition extending portion away from the partition body in a bending manner; the isolating piece extending part is arranged at a distance from the shell, and the isolating piece fixing part is fixed on one side of the bracket body close to the lower cover plate; the breathable partition, the support and the shell jointly enclose a powder filling space, sound-absorbing materials are filled in the powder filling space through the powder filling hole, and the sound-absorbing materials are packaged in the powder filling space through the sealing cover.
8. The speaker box according to claim 7, further comprising a conductive member for connecting the sound generating unit with an external electrical signal, wherein the conductive member comprises a conductive member body supported and fixed on one end of the bracket body near the lower cover plate, a connecting arm extending from two ends of the conductive member body to the direction of the sound generating unit and fixedly electrically connected with the sound generating unit, and an extension arm extending from the conductive member body to a direction away from the sound generating unit and penetrating through the housing; the isolating piece fixing part is simultaneously pressed and fixed on the conductive piece body and the bracket body.
9. The speaker cabinet as claimed in claim 1, wherein the upper cover plate and the fixing ring are fixedly sealed by welding, and the lower cover plate and the fixing ring are fixedly sealed by riveting.
10. A loudspeaker enclosure according to claim 1, wherein the upper cover plate is integrally injection moulded with the bracket.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010880889.2A CN112351356A (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
| PCT/CN2020/123574 WO2022041439A1 (en) | 2020-08-27 | 2020-10-26 | Loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010880889.2A CN112351356A (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112351356A true CN112351356A (en) | 2021-02-09 |
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ID=74357858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010880889.2A Pending CN112351356A (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112351356A (en) |
| WO (1) | WO2022041439A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7455183B2 (en) | 2022-04-07 | 2024-03-25 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | speaker box |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115175051A (en) * | 2022-06-30 | 2022-10-11 | 歌尔股份有限公司 | Shell of sound generating device, sound generating device and electronic equipment |
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- 2020-08-27 CN CN202010880889.2A patent/CN112351356A/en active Pending
- 2020-10-26 WO PCT/CN2020/123574 patent/WO2022041439A1/en active Application Filing
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7455183B2 (en) | 2022-04-07 | 2024-03-25 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | speaker box |
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