WO2024119339A1 - 扬声器箱 - Google Patents

扬声器箱 Download PDF

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Publication number
WO2024119339A1
WO2024119339A1 PCT/CN2022/136716 CN2022136716W WO2024119339A1 WO 2024119339 A1 WO2024119339 A1 WO 2024119339A1 CN 2022136716 W CN2022136716 W CN 2022136716W WO 2024119339 A1 WO2024119339 A1 WO 2024119339A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal cover
rear cavity
magnetic bowl
speaker unit
magnetic
Prior art date
Application number
PCT/CN2022/136716
Other languages
English (en)
French (fr)
Inventor
陆炳
吴树文
童迪江
Original Assignee
瑞声光电科技(常州)有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 瑞声光电科技(常州)有限公司 filed Critical 瑞声光电科技(常州)有限公司
Priority to PCT/CN2022/136716 priority Critical patent/WO2024119339A1/zh
Priority to US18/314,161 priority patent/US20240187794A1/en
Publication of WO2024119339A1 publication Critical patent/WO2024119339A1/zh

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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
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
    • 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
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
    • 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
    • H04R9/025—Magnetic circuit
    • 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

Definitions

  • the utility model relates to the field of sensors, in particular to a speaker box.
  • a speaker box is a commonly used sound-generating device in electronic devices.
  • the speaker box usually includes a shell structure and a sound-generating unit housed in the shell structure.
  • the speaker box includes an upper cover, a lower cover assembled with the upper cover to form a housing space, sound-generating units respectively housed in the housing space, and a metal mesh cover; the metal mesh cover is provided with leakage holes.
  • the leakage holes of the metal mesh cover will be partially blocked by the shell structure of the speaker box.
  • the glue will also overflow and block part of the leakage holes, thereby affecting the performance of the product.
  • the utility model aims to provide a speaker box with stable structure and excellent performance.
  • the utility model provides a speaker box, which includes a shell having a receiving space and a speaker unit received in the receiving space, the speaker unit includes a basin, a diaphragm and a magnetic circuit system respectively supported on the basin, the diaphragm and the shell form a back cavity, the magnetic circuit system includes a magnetic bowl and a magnetic steel assembly fixed to the magnetic bowl, the speaker unit also includes a metal cover fixed to the basin and the magnetic bowl, the metal cover divides the back cavity into a first back cavity located inside the speaker unit and a second back cavity located outside the speaker unit, the second back cavity is filled with sound-absorbing particles, the metal cover includes a bottom wall connected to the magnetic bowl and a side wall bent and extended from the bottom wall, the side wall of the metal cover is provided with a leakage hole formed by a recessed edge away from the bottom wall, the leakage hole connects the first back cavity and the second back cavity, the speaker box also includes a metal ring covering the magnetic bowl and the metal cover
  • the metal cover shell further includes an extension wall extending outward from the bottom wall, and the extension wall and the shell together enclose the second rear cavity.
  • the bottom wall of the metal cover extends beyond the outer edge of the metal ring.
  • a receiving groove is formed between the inner side of the metal ring and the magnetic bowl to receive excess glue.
  • the side wall of the metal cover is in contact with the basin frame.
  • the speaker unit is rectangular, and protrusions are provided at positions corresponding to the four corners of the shell, and the protrusions support part of the bottom wall of the metal cover.
  • the metal cover is an integrated stamping structure.
  • the utility model provides a speaker box, which includes a shell having a receiving space and a speaker unit received in the receiving space, the speaker unit includes a basin, a diaphragm and a magnetic circuit system respectively supported on the basin, the diaphragm and the shell form a back cavity, the magnetic circuit system includes a magnetic bowl and a magnetic steel assembly fixed to the magnetic bowl, the speaker unit also includes a metal cover fixed to the basin and the magnetic bowl, the metal cover divides the back cavity into a first back cavity located inside the speaker unit and a second back cavity located outside the speaker unit, the second back cavity is filled with sound-absorbing particles, the metal cover includes a bottom wall connected to the magnetic bowl and a side wall bent and extended from the bottom wall, the side wall of the metal cover is provided with a leakage hole formed by a recessed edge away from the bottom wall, the leakage hole connects the first back cavity with the second back cavity, the speaker box also includes a metal ring covering the magnetic bowl and the metal cover, the magnetic bowl, the
  • the utility model changes the traditional plastic cover plate into a metal ring structure, which is glued and fixed to the magnetic bowl and the metal cover, thereby avoiding the plastic shell from clogging the leakage hole on the metal cover.
  • the gluing of the magnetic bowl also avoids overflowing to the leakage hole, thereby effectively improving the acoustic performance of the speaker box.
  • FIG1 is a schematic diagram of the three-dimensional structure of a loudspeaker box of the present invention.
  • FIG2 is a schematic diagram of the three-dimensional structure of the speaker box shown in FIG1 from another angle;
  • Figure 3 is a partial exploded view of the speaker box shown in Figure 1;
  • Figure 4 is an exploded view of the speaker box shown in Figure 1;
  • Fig. 5 is a cross-sectional view along line A-A in Fig. 1 .
  • the utility model provides a speaker box 100, which includes a shell 1 with a receiving space 10, a speaker unit 2 received in the receiving space 10, a metal ring 3 covering the shell 1 and a metal cover plate 4 fixed to the shell 1.
  • the housing 1 includes a first housing 11 and a second housing 12 covering the first housing 11.
  • the first housing 11, the second housing 12 and the metal cover plate 4 cooperate to form the receiving space 10.
  • the first housing 11 is provided with a first through hole 13 and a second through hole 14 penetrating therethrough
  • the second housing 12 is provided with a third through hole 15 penetrating therethrough.
  • the first through hole 13 is arranged around the speaker unit 2
  • the metal cover plate 4 is provided to cover and seal the second through hole 14, and the third through hole 15 is arranged around the speaker unit 2.
  • the speaker unit 2 is rectangular, and includes a basin frame 21, a diaphragm 22 supported by the basin frame 21, a magnetic circuit system 23, and a metal cover 24 fixed to the basin frame 21 and the magnetic circuit system 23.
  • the magnetic circuit system 23 drives the diaphragm 22 to vibrate and produce sound.
  • the diaphragm 22 and the housing 1 form a rear cavity 101, and the magnetic circuit system 23 includes a magnetic bowl 231 and a magnetic steel component 232 fixed to the magnetic bowl 231.
  • the metal cover 24 is fixed to the basin frame 21 and the magnetic bowl 231.
  • the metal cover 24 divides the rear cavity 101 into a first rear cavity 1011 located inside the speaker unit 2 and a second rear cavity 1012 located outside the speaker unit 2.
  • the second rear cavity 1012 is filled with sound-absorbing particles, and the metal cover 24 prevents the sound-absorbing particles from entering the second rear cavity 1012.
  • the metal cover 24 includes a bottom wall 241 connected to the magnetic bowl 231, a side wall 242 bent and extended from the bottom wall 241, and an extension wall 243 extending outward from the bottom wall 214.
  • the bottom wall 241 is an annular structure, and the side wall 242 abuts against the basin frame 21.
  • the extension wall 243 corresponds to the position of the metal cover plate 4, and is formed together with the metal cover plate 4 and the housing 1 to form the second rear cavity 1012.
  • the side wall 242 of the metal cover 24 is provided with a leakage hole 244 formed by a recess from the edge away from the bottom wall 241, and the leakage hole 244 connects the first rear cavity 1011 and the second rear cavity 1012, and the leakage hole 244 is serrated. Since the leakage hole 244 extends from the edge of the side wall 242, the leakage hole 244 can be formed on the side wall 242 of the metal cover 24 by stamping. Preferably, the entire metal cover 24 is an integrated stamping structure.
  • the surface of the magnetic bowl 231 is flush with the position where the surface of the metal cover 24 is connected, and the metal ring 3 is glued and fixed to the surface of the magnetic bowl 231 and the surface of the metal cover 24 by glue, and a receiving groove 25 is formed between the inner side of the metal ring 3 and the magnetic bowl 231 to receive excess glue.
  • the bottom wall 241 of the metal cover 24 extends beyond the outer edge of the metal ring 4, so that the glue is not easy to flow down from the bottom wall 241 of the metal cover 24, thereby avoiding the leakage hole 244 being blocked by glue.
  • the housing 1 is provided with protrusions 16 at positions corresponding to the four corners of the speaker unit 2, and the protrusions 16 support part of the bottom wall 241 of the metal cover 24.
  • the speaker unit 2, the metal cover 24, and the metal ring 3 cover part of the third through hole 15 of the housing 1, and the magnetic bowl 231 is partially exposed to the third through hole 15.
  • the utility model provides a speaker box, which includes a shell having a receiving space and a speaker unit received in the receiving space, the speaker unit includes a basin, a diaphragm and a magnetic circuit system respectively supported on the basin, the diaphragm and the shell form a back cavity, the magnetic circuit system includes a magnetic bowl and a magnetic steel assembly fixed to the magnetic bowl, the speaker unit also includes a metal cover fixed to the basin and the magnetic bowl, the metal cover divides the back cavity into a first back cavity located inside the speaker unit and a second back cavity located outside the speaker unit, the second back cavity is filled with sound-absorbing particles, the metal cover includes a bottom wall connected to the magnetic bowl and a side wall bent and extended from the bottom wall, the side wall of the metal cover is provided with a leakage hole formed by a recessed edge away from the bottom wall, the leakage hole connects the first back cavity with the second back cavity, the speaker box also includes a metal ring covering the magnetic bowl and the metal cover, the magnetic bowl, the
  • the utility model changes the traditional plastic cover plate into a metal ring structure, which is glued and fixed to the magnetic bowl and the metal cover, thereby avoiding the plastic shell from clogging the leakage hole on the metal cover.
  • the gluing of the magnetic bowl also avoids overflowing to the leakage hole, thereby effectively improving the acoustic performance of the speaker box.

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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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

一种扬声器箱包括壳体以及收容其内的扬声器单体，扬声器单体包括盆架、振膜和磁路***，振膜与壳体形成后腔，磁路***包括磁碗以及固定于所述磁碗的磁钢组件，扬声器单体包括固定于盆架和磁碗的金属罩壳，金属罩壳将后腔分成位于扬声器单体内部的第一后腔以及位于扬声器单体外部的第二后腔，第二后腔内填充有吸音颗粒，金属罩壳包括与磁碗连接的底壁及自底壁弯折延伸的侧壁，金属罩壳的侧壁设有自远离底壁的边缘凹陷形成的泄漏孔，泄漏孔连通第一后腔与第二后腔，扬声器箱还包括盖设于磁碗与金属罩壳上的金属环，磁碗、金属罩壳、金属环胶合固定。本方案能有效避免泄漏孔的堵塞问题。

Description

扬声器箱 技术领域
本实用新型涉及传感器领域，尤其涉及一种扬声器箱。
 背景技术
扬声器箱是电子设备中常用的发声器件，扬声器箱通常包括壳体结构和收容于壳体结构内的发声单体。在相关技术中的扬声器箱包括上盖、与该上盖组配形成一收容空间的下盖、分别收容于该收容空间内的发声单体、金属网罩；所述金属网罩上设有泄漏孔。一般的，金属网罩的泄漏孔部分会被扬声器箱的壳体结构堵塞，同时，磁碗通过胶水固定时，胶水也会下溢堵住部分泄漏孔，从而影响了产品的性能。
 技术问题
因此，实有必要提供一种新的扬声器箱解决上述技术问题。
 技术解决方案
本实用新型的目的在于提供一种结构稳定、性能优异的扬声器箱。
为了达到上述目的，本实用新型提供了一种扬声器箱，其包括具有收容空间的壳体以及收容于所述收容空间内的扬声器单体，所述扬声器单体包括盆架、分别支撑于所述盆架的振膜和磁路***，所述振膜与所述壳体形成后腔，所述磁路***包括磁碗以及固定于所述磁碗的磁钢组件，所述扬声器单体还包括固定于所述盆架和所述磁碗的金属罩壳，所述金属罩壳将所述后腔分成位于扬声器单体内部的第一后腔以及位于扬声器单体外部的第二后腔，所述第二后腔内填充有吸音颗粒，所述金属罩壳包括与所述磁碗连接的底壁及自所述底壁弯折延伸的侧壁，所述金属罩壳的侧壁设有自远离所述底壁的边缘凹陷形成的泄漏孔，所述泄漏孔连通所述第一后腔与所述第二后腔，所述扬声器箱还包括盖设于所述磁碗与所述金属罩壳上的金属环，所述磁碗、所述金属罩壳、所述金属环胶合固定。
优选的，所述金属罩壳还包括自所述底壁向外延伸的延伸壁，所述延伸壁与所述壳体共同围设成所述第二后腔。
优选的，所述金属罩壳的底壁延伸超出所述金属环的外边缘。
优选的，所述金属环的内侧与所示磁碗之间形成收容槽以收容多余的胶水。
优选的，所述金属罩壳的侧壁抵接于所述盆架。
优选的，所述扬声器单体呈矩形，所述壳体对应四个角部的位置处设有凸出部，所述凸出部支撑部分所述金属罩壳的底壁。
优选的，所述金属罩壳为一体冲压式结构。
 有益效果
与相关技术相比，本实用新型的一种扬声器箱，其包括具有收容空间的壳体以及收容于所述收容空间内的扬声器单体，所述扬声器单体包括盆架、分别支撑于所述盆架的振膜和磁路***，所述振膜与所述壳体形成后腔，所述磁路***包括磁碗以及固定于所述磁碗的磁钢组件，所述扬声器单体还包括固定于所述盆架和所述磁碗的金属罩壳，所述金属罩壳将所述后腔分成位于扬声器单体内部的第一后腔以及位于扬声器单体外部的第二后腔，所述第二后腔内填充有吸音颗粒，所述金属罩壳包括与所述磁碗连接的底壁及自所述底壁弯折延伸的侧壁，所述金属罩壳的侧壁设有自远离所述底壁的边缘凹陷形成的泄漏孔，所述泄漏孔连通所述第一后腔与所述第二后腔，所述扬声器箱还包括盖设于所述磁碗与所述金属罩壳上的金属环，所述磁碗、所述金属罩壳、所述金属环胶合固定。本实用新型通过将传统塑胶的盖板改为金属环结构，使其与磁碗和金属罩壳胶合固定，避免了塑胶壳体对金属罩壳上泄漏孔的堵塞，同时，磁碗打胶也避免了下溢至泄漏孔，有效提升了扬声器箱的声学性能。
 附图说明
为了更清楚地说明本实用新型实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1为本实用新型扬声器箱的立体结构示意图；
图2为如图1所示的扬声器箱的另一角度的立体结构示意图；
图3为如图1所示的扬声器箱的部分分解图;
图4为如图1所示的扬声器箱的分解图;
图5为沿图1中A-A线的剖示图。
 本发明的最佳实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本实用新型保护的范围。
请同时参阅图1-5，本实用新型提供了一种扬声器箱100，其包括具有收容空间10的壳体1、收容于所述收容空间10内的扬声器单体2、盖设于所述壳体1上的金属环3以及固定于的所述壳体1的金属盖板4。
所述壳体1包括第一壳体11及与所述第一壳体11盖合的第二壳体12，所示第一壳体11、第二壳体12、金属盖板4配合形成所述收容空间10，所述第一壳体11上设有贯穿其上的第一通孔13及第二通孔14，所述第二壳体12上设有贯穿其上的第三通孔15。所述第一通孔13环绕所述扬声器单体2设置，所述金属盖板4盖设密封于所述第二通孔14，所述第三通孔15环设于所述扬声器单体2。
所述扬声器单体2呈矩形，其包括盆架21、支撑于所述盆架21的振膜22、磁路***23以及固定于所述盆架21和所述磁路***23的金属罩壳24，所述磁路***23驱动所述振膜22振动发声。所述振膜22与所述壳体1形成后腔101，所述磁路***23包括磁碗231、固定于所述磁碗231的磁钢组件232。
所述金属罩壳24固定于所述盆架21和磁碗231，所述金属罩壳24将所述后腔101分成位于扬声器单体2内部的第一后腔1011以及位于扬声器单体2外部的第二后腔1012，所述第二后腔1012内填充有吸音颗粒，所述金属罩壳24阻止吸音颗粒进入第二后腔1012。所述金属罩壳24包括与所述磁碗231连接的底壁241、自所述底壁241弯折延伸的侧壁242以及自所述底壁214向外延伸的延伸壁243，所述底壁241呈环状结构，所述侧壁242抵接于所述盆架21，所述延伸壁243与所述金属盖板4的位置对应，并与所述金属盖板4、所述壳体1共同围设成所述第二后腔1012。
所述金属罩壳24的侧壁242设有自远离所述底壁241的边缘凹陷形成的泄漏孔244，所述泄漏孔244连通所述第一后腔1011与所述第二后腔1012，所述泄漏孔244呈锯齿形。由于泄漏孔244自侧壁242的边缘开始延伸，故所述泄漏孔244可通过冲压形成于所述金属罩壳24的侧壁242上，优选的，整个所述金属罩壳24为一体冲压式结构。所述磁碗231的表面与所述金属罩壳24的表面连接的位置处齐平设置，所述金属环3通过胶水与所述磁碗231的表面与所述金属罩壳24的表面胶合固定，所述金属环3的内侧与所示磁碗231之间形成收容槽25以收容多余的胶水。同时，所述金属罩壳24的底壁241延伸超出所述金属环4的外边缘，使得胶水不易从金属罩壳24的底壁241流下去，从而避免了泄漏孔244被胶水堵塞。
所述壳体1对应扬声器单体2四个角部的位置处设有凸出部16，所述凸出部16支撑部分所述金属罩壳24的底壁241。所述扬声器单体2、金属罩壳24、金属环3覆盖部分所述壳体1的第三通孔15，所述磁碗231部分暴露于所述第三通孔15。
与相关技术相比，本实用新型的一种扬声器箱，其包括具有收容空间的壳体以及收容于所述收容空间内的扬声器单体，所述扬声器单体包括盆架、分别支撑于所述盆架的振膜和磁路***，所述振膜与所述壳体形成后腔，所述磁路***包括磁碗以及固定于所述磁碗的磁钢组件，所述扬声器单体还包括固定于所述盆架和所述磁碗的金属罩壳，所述金属罩壳将所述后腔分成位于扬声器单体内部的第一后腔以及位于扬声器单体外部的第二后腔，所述第二后腔内填充有吸音颗粒，所述金属罩壳包括与所述磁碗连接的底壁及自所述底壁弯折延伸的侧壁，所述金属罩壳的侧壁设有自远离所述底壁的边缘凹陷形成的泄漏孔，所述泄漏孔连通所述第一后腔与所述第二后腔，所述扬声器箱还包括盖设于所述磁碗与所述金属罩壳上的金属环，所述磁碗、所述金属罩壳、所述金属环胶合固定。本实用新型通过将传统塑胶的盖板改为金属环结构，使其与磁碗和金属罩壳胶合固定，避免了塑胶壳体对金属罩壳上泄漏孔的堵塞，同时，磁碗打胶也避免了下溢至泄漏孔，有效提升了扬声器箱的声学性能。
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (7)

  1. 一种扬声器箱，其包括具有收容空间的壳体以及收容于所述收容空间内的扬声器单体，所述扬声器单体包括盆架、分别支撑于所述盆架的振膜和磁路***，所述振膜与所述壳体形成后腔，所述磁路***包括磁碗以及固定于所述磁碗的磁钢组件，其特征在于：所述扬声器单体还包括固定于所述盆架和所述磁碗的金属罩壳，所述金属罩壳将所述后腔分成位于扬声器单体内部的第一后腔以及位于扬声器单体外部的第二后腔，所述第二后腔内填充有吸音颗粒，所述金属罩壳包括与所述磁碗连接的底壁及自所述底壁弯折延伸的侧壁，所述金属罩壳的侧壁设有自远离所述底壁的边缘凹陷形成的泄漏孔，所述泄漏孔连通所述第一后腔与所述第二后腔，所述扬声器箱还包括盖设于所述磁碗与所述金属罩壳上的金属环，所述磁碗、所述金属罩壳、所述金属环胶合固定。
  2. 根据权利要求1所述的扬声器箱，其特征在于，所述金属罩壳还包括自所述底壁向外延伸的延伸壁，所述延伸壁与所述壳体共同围设成所述第二后腔。
  3. 根据权利要求1所述的扬声器箱，其特征在于，所述金属罩壳的底壁延伸超出所述金属环的外边缘。
  4. 根据权利要求1所述的扬声器箱，其特征在于，所述金属环的内侧与所示磁碗之间形成收容槽以收容多余的胶水。
  5. 根据权利要求1所述的扬声器箱，其特征在于，所述金属罩壳的侧壁抵接于所述盆架。
  6. 根据权利要求1所述的扬声器箱，其特征在于，所述扬声器单体呈矩形，所述壳体对应四个角部的位置处设有凸出部，所述凸出部支撑部分所述金属罩壳的底壁。
  7. 根据权利要求1所述的扬声器箱，其特征在于，所述金属罩壳为一体冲压式结构。
PCT/CN2022/136716 2022-12-06 2022-12-06 扬声器箱 WO2024119339A1 (zh)

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