WO2022041442A1 - 扬声器箱 - Google Patents

扬声器箱 Download PDF

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Publication number
WO2022041442A1
WO2022041442A1 PCT/CN2020/123580 CN2020123580W WO2022041442A1 WO 2022041442 A1 WO2022041442 A1 WO 2022041442A1 CN 2020123580 W CN2020123580 W CN 2020123580W WO 2022041442 A1 WO2022041442 A1 WO 2022041442A1
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WO
WIPO (PCT)
Prior art keywords
bracket
sound
fixed
front cover
cover
Prior art date
Application number
PCT/CN2020/123580
Other languages
English (en)
French (fr)
Inventor
吴军
印兆宇
魏威
刘忠原
Original Assignee
瑞声声学科技(深圳)有限公司
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 瑞声声学科技(深圳)有限公司, 瑞声光电科技(常州)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2022041442A1 publication Critical patent/WO2022041442A1/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
    • 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

Definitions

  • the invention relates to the field of electro-acoustic conversion, in particular to a speaker box used in portable mobile electronic products.
  • Speaker boxes are widely used in portable mobile electronic products, such as mobile phones, to realize the conversion of audio signals into sound playback.
  • the speaker box has high loudness and good low-frequency sound effect.
  • the speaker box of the related art includes a front cover, a rear cover that is covered on the front cover and jointly encloses a receiving space, and a sound-emitting unit received in the receiving space, and the sound-emitting unit divides the receiving space into Anterior and posterior chambers.
  • the front cover and the rear cover of the speaker box of the related art are injection-molded, and the sound-generating unit is sealed by ultrasonic welding.
  • Ultrasonic welding requires more volume, thus limiting the volume design of the front cavity and the rear cavity. This in turn limits the acoustic performance.
  • the purpose of the present invention is to provide a loudspeaker box with large cavity volume and good acoustic performance.
  • the present invention provides a speaker box, which includes a housing, a sound-generating unit fixedly accommodated in the housing, and a breathable rubber ring assembly, wherein the sound-generating unit includes a diaphragm for vibrating and producing sound,
  • the shell is made of metal material, and the shell includes a front cover and a rear cover respectively located on opposite sides of the sounding unit along the vibration direction of the diaphragm, and a front cover and a rear cover fixed on the front cover and the rear cover.
  • a first bracket between covers the front cover includes a front cover plate opposite to the rear cover and a front cover side wall that is bent and extended from the periphery of the front cover to the direction of the rear cover, so The side wall of the front cover is provided with a sound outlet passing through it; the first bracket is provided with a through hole passing through it, and the side of the sound-emitting unit with the vibrating membrane faces the through hole and supports Fixed on the first bracket; the rear cover is fixed on the side of the first bracket away from the front cover, the first bracket, the sounding unit and the rear cover together form a dense A closed rear acoustic cavity; the side wall of the front cover is supported and fixed on the side of the first bracket away from the rear cover, and the front cover plate and the sound-emitting unit are arranged at intervals, the first bracket, the The front cover and the sound-generating unit together form a front sound cavity, and the sound outlet connects the front sound cavity with the outside to form a side sound-emitting structure; the breathable rubber ring assembly is
  • the breathable rubber ring assembly includes a breathable member and a first rubber ring and a second rubber ring, both of which are annular and are respectively fitted and fixed to the peripheries of opposite sides of the breathable member, and the breathable member completely covers all parts.
  • the first rubber ring is attached and fixed to the front cover plate and the side wall of the front cover respectively, and the second rubber ring is attached and fixed to the ventilation member away from the first rubber ring. side.
  • the first rubber ring and the second rubber ring are both made of double-sided tape.
  • the first bracket includes an annular bracket body, a bracket side wall bent and extended from the outer periphery of the bracket body toward the rear cover, and a bracket side wall extending from the inner periphery of the bracket body away from the rear cover.
  • the cover is bent and extended in the direction to form a support step of the opening, the sounding unit is supported and fixed on the side of the support step close to the back cover, and the back cover is covered and fixed on the side wall of the bracket , the side wall of the front cover is supported and fixed on the side of the support step away from the rear cover.
  • the speaker box further includes a second bracket made of plastic and a ventilating spacer located in the rear acoustic cavity, the second bracket is supported and fixed to the bracket body and surrounds the circumference of the sound-emitting unit The ventilating spacer is fixed to the second bracket and separates the sound-generating unit from the rear acoustic cavity.
  • the back cover includes a back cover body and a back cover side wall bent and extended from the periphery of the back cover body toward the front cover, and the back cover side wall is fixed to the bracket side wall.
  • the ventilating spacer includes an spacer body that is spaced apart from the back cover body and is attached to the sound-generating unit, and an spacer that is bent and extended from the periphery of the spacer body toward the bracket. an extension part and a spacer fixing part bent and extended from one end of the spacer extension part away from the spacer body; the spacer extension part and the side wall of the front cover are arranged at intervals, and the spacer fixing part is attached to the spacer is fixed on the side of the second bracket close to the back cover; the air-permeable spacer, the first bracket, the second bracket and the back cover together form a powder filling space, and the powder filling space The space is filled with sound-absorbing material.
  • the speaker box further includes a conductive member for connecting the sound-emitting unit with an external electrical signal
  • the conductive member includes a conductive member body supported and fixed on one end of the second bracket close to the back cover, and the conductive member is The two ends of the conductive part body extend toward the sound-generating unit and are fixed and electrically connected to the connecting arm; the side wall of the cover and the extension arm of the side wall of the bracket; the side of the second bracket close to the rear cover is recessed to form a receiving groove, and the conductive part body is arranged in the receiving groove and makes the conductive part body
  • the second bracket is flush with the side of the second bracket close to the back cover, and the spacer extension portion is simultaneously press-fitted and fixed to the conductive member body and the second bracket.
  • the first bracket and the second bracket are integrally injection-molded.
  • the front cover, the rear cover and the first bracket of the shell are all made of metal materials, and the sounding unit is supported and fixed on the first bracket;
  • the side walls are respectively covered and fixed on the opposite sides of the first bracket.
  • the metal first bracket is combined with the metal back cover, and the metal front cover is combined with the metal first bracket, so as to ensure the safety of the housing.
  • it can be designed to be thinner than the all-plastic shell structure, thereby greatly increasing the volume of the cavity in the shell, and effectively increasing the back space enclosed by the sounding monomer and the shell.
  • the volume of the acoustic cavity in turn improves the acoustic performance of the speaker box, especially the low-frequency acoustic performance.
  • the sound outlet is connected to the outside air through the breathable rubber ring assembly by being attached and fixed to the side of the front cover plate away from the rear cover and the side wall of the front cover and completely covering the sound outlet.
  • the structure enables the speaker box to be sealed with the whole machine through the breathable rubber ring assembly, which increases the reliability of the sealing, and the sound outlet is connected to the outside through the breathable rubber ring assembly to prevent foreign objects from entering the front sound cavity, thereby improving the speaker box. reliability.
  • Fig. 1 is the three-dimensional structure schematic diagram of the speaker box of the present invention
  • Fig. 2 is the partial three-dimensional structure exploded schematic diagram of the speaker box of the present invention
  • Fig. 3 is a sectional view along line A-A in Fig. 1;
  • Fig. 4 is an enlarged view of the part shown in B in Fig. 3;
  • FIG. 5 is a schematic three-dimensional structure diagram of the breathable rubber ring assembly of the speaker box of the present invention
  • FIG. 6 is an exploded schematic diagram of a partial three-dimensional structure of the breathable rubber ring assembly of the speaker box of the present invention.
  • the present invention provides a speaker box 100 , which includes a casing 1 , a sounding unit 2 having a diaphragm 21 fixedly accommodated in the casing 1 , and a breathable rubber ring assembly 6 .
  • the casing 1 is made of metal material.
  • the casing 1 includes a front cover 11 and a rear cover 12 respectively located on opposite sides of the sound-generating unit 2 along the vibration direction of the diaphragm 21 and fixed between the front cover 11 and the rear cover 12 .
  • the first bracket 13 is made of metal material.
  • the front cover 11 includes a front cover plate 111 disposed opposite the rear cover 12 and a front cover side wall 112 bent and extended from the periphery of the front cover plate 111 toward the rear cover 12 .
  • the side wall 112 of the front cover is provided with the sound outlet 10 extending therethrough.
  • the front cover plate 111 and the front cover side wall 112 can be separated into two parts, or can be made in one piece. In this embodiment, the front cover plate 111 and the front cover side wall 112 are integrally formed.
  • the side wall 112 of the front cover is supported and fixed on the side of the first bracket 13 away from the rear cover 12 , and the front cover 111 is spaced from the sounding unit 2 .
  • the front cover 11 and the sounding unit 2 together form a front sound cavity 101 .
  • the diaphragm 21 is accommodated in the front acoustic cavity 101 .
  • the sound outlet 10 is located on the side wall 112 of the front cover. The sound outlet 10 connects 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 world, so that the audio quality of the speaker box 100 is improved.
  • the back cover 12 includes a back cover body 121 and a back cover side wall 122 that is bent and extended from the periphery of the back cover body 121 toward the front cover 11 .
  • the rear cover 12 is covered and fixed on the side of the first bracket 13 away from the front cover 11 , and is sealed and fixed. Specifically, the back cover side wall 122 is covered and fixed on a side of the first bracket 13 away from the front cover 11 .
  • the sound generating unit 2 , the first bracket 13 and the rear cover 12 together form a closed rear sound cavity 102 .
  • the rear cover 12 is fixed by welding with the first bracket 13
  • the side wall 11 of the front cover is fixed by welding with the first bracket 13
  • the front cover 11 and the rear cover 12 are relatively
  • the plastic structure in the technology can be designed to be thinner, and the fixing strength is more reliable.
  • the first bracket 13 made of metal materials is used. It is fixed with the rear cover 11 to support and fix the sound-producing unit 2 and form the rear sound cavity 102 , and then the first bracket 13 made of metal material is fixed with the front cover 11 to form the front sound cavity 101 .
  • the first bracket 13 includes a through opening 130 therethrough, an annular bracket body 131 , a bracket side wall 132 bent and extended from the outer periphery of the bracket body 131 toward the rear cover 12 , and a bracket formed by the bracket body 131 .
  • the inner peripheral edge of the bracket body 131 is bent and extended away from the rear cover 12 to form a support step 133 of the through opening 130 .
  • the side of the sound-generating unit 2 provided with the diaphragm 21 faces the through port 130 and is supported and fixed to the first bracket 13 , and the first bracket 13 is sealed and fixed with the sound-generating unit 2 .
  • the rear cover 12 is covered and fixed on the side wall 132 of the bracket. Specifically, the side wall 122 of the rear cover is fixed on the side wall 132 of the bracket. The side wall 112 of the front cover is supported and fixed on a side of the support step 133 away from the rear cover 12 .
  • the structure has high strength, and it can not only be designed to be thinner than the all-plastic shell structure, but also effectively assemble the sounding unit 2, thereby greatly improving the strength of the back cover 12 and the first bracket 13.
  • the volume of the cavity effectively increases the volume of the rear acoustic cavity 10 enclosed by the sound generating unit 2 and the rear cover 12 , thereby improving the acoustic performance of the speaker box 100 , especially the low-frequency acoustic performance.
  • the diaphragm 21 of the sound-generating unit 2 is used for vibrating and sounding.
  • the vibrating membrane 21 includes a vibrating portion 211 , a ring portion 212 that is bent and extended from the periphery of the vibrating portion 211 , and a ring portion 212 that is bent and extended in a direction away from the vibrating portion 211 .
  • Diaphragm fixing part 213 The sounding unit 2 is supported and fixed on the side of the support step 133 close to the back cover 12 .
  • the support step 133 is supported and fixed to the diaphragm fixing portion 213 , so that the first bracket 13 , the diaphragm 21 , the first bracket 13 and the front cover 11 together form a surrounding area.
  • the aforementioned front acoustic cavity 101 also makes the speaker box 100 easy to assemble and has high reliability.
  • the speaker box also includes a second bracket 3 made of plastic located in the rear acoustic cavity 102 .
  • the second bracket 3 is supported and fixed to the bracket body 131 and is disposed around the periphery of the sounding unit 2 .
  • the first bracket 13 and the second bracket 3 can be separately manufactured and fixed together. Of course, it is not limited to this. In this embodiment, the first bracket 13 and the second bracket 3 are integrally injection-molded. This structure makes the speaker enclosure 100 simpler to manufacture and easier to assemble.
  • the speaker box 100 further includes a ventilating spacer 4 located in the rear acoustic cavity 102 .
  • the air-permeable spacer 4 is fixed to the second bracket 3 and separates the sound-generating unit 2 from the rear acoustic cavity 102 , so that the rear acoustic cavity 102 can be filled with sound-absorbing material.
  • the ventilating spacer 4 includes a spacer body 41 that is spaced apart from the back cover body 121 and is attached to the sound-generating unit 2 .
  • the spacer extension portion 42 is bent and extended, and the spacer fixing portion 43 is bent and extended from one end of the spacer extension portion 42 away from the spacer body 41 .
  • the spacer extension portion 42 is spaced apart from the side wall 112 of the front cover.
  • One side of the spacer fixing portion 43 of the second bracket 3 is close to the rear cover 12 .
  • the air-permeable spacer 4, the first bracket 13, the second bracket 3 and the back cover 12 together form a powder filling space, and the powder filling space is used for filling sound-absorbing materials, such as sound-absorbing particles and sound-absorbing cotton. Wait.
  • the speaker box 100 further includes a conductive member 5 that connects the sound generating unit 2 with external electrical signals.
  • the conductive member 5 includes a conductive member body 51 supported and fixed on one end of the second bracket 3 close to the back cover 12 , and the sound generating unit 2 is connected to the sound-emitting unit 2 from both ends of the conductive member body 51 .
  • the connecting arm 52 that extends in the direction and is fixed and electrically connected to the sound-generating unit 2 and extends away from the sound-generating unit 2 from the conductor body 51 and simultaneously penetrates the back cover side wall 122 and the bracket side Extension arm 53 of wall 132 .
  • the extension arm 53 penetrates through the front cover side wall 112 and the rear cover side wall 122 at the same time.
  • the structure is convenient to assemble, and the position penetrating the outer side wall 112 of the front cover and the position penetrating the side wall 122 of the rear cover can be used as assembling positions in advance, so as to improve the assembling efficiency.
  • the second bracket 3 is close to the One side of the rear cover 12 is recessed to form a receiving groove 30 .
  • the conductive member body 51 is disposed in the receiving slot 30 so that the conductive member body 51 is flush with the side of the second bracket 3 close to the rear cover 12 .
  • the spacer extension portion 42 is simultaneously press-fitted and fixed to the conductive element body 51 and the second bracket 3 .
  • the speaker box 100 further includes a breathable rubber ring assembly 6 .
  • the breathable rubber ring assembly 6 includes a breathable member 61 , and a first rubber ring 62 and a second rubber ring 63 , both of which are annular and are respectively fitted and fixed to the peripheries of opposite sides of the breathable member 61 .
  • the breathable rubber ring assembly 6 completely covers the sound outlet 10 , and the sound outlet 10 communicates with the outside air through the breathable rubber ring assembly 6 .
  • the ventilation member 61 completely covers the sound outlet 10 . This structure enables the sound outlet 10 to communicate with the outside world through the breathable rubber ring assembly 6 , and also prevents foreign matter from entering the front sound cavity 101 , thereby improving the reliability of the speaker box 100 .
  • the ventilation member 61 is a mesh cloth.
  • the breathable rubber ring assembly 6 is attached and fixed to the side of the front cover 111 away from the rear cover 12 and the side wall 112 of the front cover.
  • the first rubber ring 62 is attached and fixed to the front cover plate 111 and the front cover side wall 112 respectively.
  • the second rubber ring 63 is attached and fixed to the 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 to increase the sealing reliability of the speaker box 100 .
  • the first rubber ring 62 and the second rubber ring 63 are both made of double-sided tape. Of course, it is not limited to this, and other colloids that can be pasted on both sides are also possible.
  • the front cover, the rear cover and the first bracket of the shell are all made of metal materials, and the sounding unit is supported and fixed on the first bracket;
  • the side walls are respectively covered and fixed on the opposite sides of the first bracket.
  • the metal first bracket is combined with the metal back cover, and the metal front cover is combined with the metal first bracket, so as to ensure the safety of the housing.
  • it can be designed to be thinner than the all-plastic shell structure, thereby greatly increasing the volume of the cavity in the shell, and effectively increasing the back space enclosed by the sounding monomer and the shell.
  • the volume of the acoustic cavity in turn improves the acoustic performance of the speaker box, especially the low-frequency acoustic performance.
  • the sound outlet is connected to the outside air through the breathable rubber ring assembly by being attached and fixed to the side of the front cover plate away from the rear cover and the side wall of the front cover and completely covering the sound outlet.
  • the structure enables the speaker box to be sealed with the whole machine through the breathable rubber ring assembly, which increases the reliability of the sealing, and the sound outlet is connected to the outside through the breathable rubber ring assembly to prevent foreign objects from entering the front sound cavity, thereby improving the speaker box. reliability.

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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

本发明提供了一种扬声器箱，其包括金属材料制成的壳体和固定收容于壳体内的发声单体，发声单体包括振膜，壳体包括前盖、后盖以及第一支架，前盖包括前盖板和前盖侧壁，前盖侧壁设有出声口，前盖侧壁支撑固定于第一支架远离后盖的一侧且前盖板与发声单体间隔设置，第一支架、前盖及发声单体共同围成前声腔，出声口将前声腔与外界连通形成侧发声结构；后盖盖设固定于第一支架远离前盖的一侧，第一支架、发声单体及后盖共同围成密封闭的后声腔；第一支架设有通口，发声单体设有振膜的一侧朝向通口并支撑固定于第一支架。与相关技术相比，本发明的扬声器箱腔体体积大，声学性能好。

Description

扬声器箱 技术领域
本发明涉及电声转换领域，尤其涉及一种运用于便携式移动电子产品的扬声器箱。
 背景技术
扬声器箱广泛运用于便携式移动电子产品中，比如手机，实现将音频信号转化为声音播放，扬声器箱响度大，低频声音效果好。
相关技术的扬声器箱包括前盖、盖设于所述前盖并共同围成收容空间的后盖以及收容于所述收容空间内的发声单体，所述发声单体将所述收容空间分隔成前腔和后腔。
 技术问题
然而，相关技术的扬声器箱的前盖和后盖采用注塑成型，并采用超声波焊接的方式实现发声单体的封闭，超声波焊接需要更多的体积，从而限制了前腔和后腔的体积设计，进而使声学性能受限。
因此，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
本发明的目的在于提供一种腔体体积大，声学性能好的扬声器箱。
为了达到上述目的，本发明提供了一种扬声器箱，其包括壳体、固定收容于所述壳体内的发声单体以及透气胶圈组件，所述发声单体包括用于振动发声的振膜，所述壳体为金属材料制成，所述壳体包括沿所述振膜的振动方向分别位于所述发声单体相对两侧的前盖和后盖以及固定于所述前盖和所述后盖之间的第一支架，所述前盖包括与所述后盖相对设置的前盖板和由所述前盖板的周缘向所述后盖的方向弯折延伸的前盖侧壁，所述前盖侧壁设有贯穿其上的出声口；所述第一支架设有贯穿其上的通口，所述发声单体设有所述振膜的一侧朝向所述通口并支撑固定于所述第一支架；所述后盖盖设固定于所述第一支架远离所述前盖的一侧，所述第一支架、所述发声单体及所述后盖共同围成密封闭的后声腔；所述前盖侧壁支撑固定于所述第一支架远离所述后盖的一侧且所述前盖板与所述发声单体间隔设置，所述第一支架、所述前盖及所述发声单体共同围成前声腔，所述出声口将所述前声腔与外界连通形成侧发声结构；所述透气胶圈组件贴合固定于所述前盖板远离所述后盖的一侧以及所述前盖侧壁并完全覆盖所述出声口，所述出声口通过所述透气胶圈组件与外界空气连通。
优选的，所述透气胶圈组件包括透气件以及均呈环状且分别贴合固定于所述透气件相对两侧的周缘的第一胶圈和第二胶圈，所述透气件完全覆盖所述出声口，所述第一胶圈分别贴合固定于所述前盖板和所述前盖侧壁，所述第二胶圈贴合固定于所述透气件远离所述第一胶圈的一侧。
优选的，所述第一胶圈和所述第二胶圈均为双面胶制成。
优选的，所述第一支架包括呈环形的支架本体、由所述支架本体的外周缘向所述后盖方向弯折延伸的支架侧壁以及由所述支架本体的内周缘向远离所述后盖方向弯折延伸并围成所述通口的支撑台阶，所述发声单体支撑固定于所述支撑台阶靠近所述后盖的一侧，所述后盖盖设固定于所述支架侧壁，所述前盖侧壁支撑固定于所述支撑台阶远离所述后盖的一侧。
优选的，所述扬声器箱还包括位于所述后声腔内的由塑料制成的第二支架以及透气隔离件，所述第二支架支撑固定于所述支架本体并环绕所述发声单体的周侧设置，所述透气隔离件固定于所述第二支架并将所述发声单体从所述后声腔内分隔。
优选的，所述后盖包括后盖本体以及由的述后盖本体的周缘向所述前盖方向弯折延伸的后盖侧壁，所述后盖侧壁固定于所述支架侧壁。
优选的，所述透气隔离件包括与所述后盖本体间隔相对并贴合于所述发声单体的隔离件本体、由所述隔离件本体的周缘向所述支架方向弯折延伸的隔离件延伸部以及由所述隔离件延伸部远离所述隔离件本体的一端弯折延伸的隔离件固定部；所述隔离件延伸部与所述前盖侧壁间隔设置，所述隔离件固定部贴合固定于所述第二支架靠近所述后盖的一侧；所述透气隔离件、所述第一支架、所述第二支架及所述后盖共同围成灌粉空间，所述灌粉空间用于填充吸音材料。
优选的，所述扬声器箱还包括将所述发声单体与外界电信号连接的导电件，所述导电件包括支撑固定于所述第二支架靠近所述后盖一端的导电件本体、由所述导电件本体的两端向所述发声单体方向延伸并与所述发声单体固定电连接的连接臂以及由所述导电件本体向远离所述发声单体方向延伸并同时贯穿所述后盖侧壁和所述支架侧壁的延伸臂；所述第二支架靠近所述后盖的一侧凹陷形成收容槽，所述导电件本体设置于所述收容槽内并使得所述导电件本体与所述第二支架靠近所述后盖的一侧平齐，所述隔离件延伸部同时压设固定于所述导电件本体及所述第二支架。
优选的，所述第一支架与所述第二支架为一体注塑成型。
 有益效果
与相关技术相比，本发明的扬声器箱中，壳体的前盖、后盖以及第一支架均由金属材料制成，发声单体支撑固定于第一支架；后盖和前盖的前盖侧壁分别盖设固定于所述第一支架的相对两侧，上述结构中，金属的第一支架与金属的后盖组合，金属的前盖与金属的第一支架组合，在确保壳体的结构强度的前提下，其相对于全塑料壳体结构可设计得更薄，从而极大程度的提高了壳体内的腔体体积，有效的增加了发声单体与所述壳体围成的后声腔的体积，进而改善了所述扬声器箱的声学性能，特别是低频声学性能。另外，并本发明的扬声器箱中通过将贴合固定于前盖板远离后盖的一侧以及前盖侧壁并完全覆盖出声口，出声口通过透气胶圈组件与外界空气连通，该结构使得所述扬声器箱通过透气胶圈组件与整机密封，增加密封的可靠性，并且通过透气胶圈组件使得出声口连通外界的同时防止异物进入到前声腔，从而提高了所述扬声器箱的可靠性。
 附图说明
为了更清楚地说明本发明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发明的一些实施例，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为本发明扬声器箱的立体结构示意图；
图2为本发明扬声器箱的部分立体结构分解示意图；
图3为沿图1中A-A线的剖示图；
图4为图3中B所示部分放大图；
图5为本发明扬声器箱的透气胶圈组件的立体结构示意图
图6为本发明扬声器箱的透气胶圈组件的部分立体结构分解示意图。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明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发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，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，都属于本发明保护的范围。
请同时参阅图1-6，本发明提供了一种扬声器箱100，其包括壳体1、固定收容于所述壳体1内的具有振膜21的发声单体2以及透气胶圈组件6。
所述壳体1为金属材料制成。所述壳体1包括沿所述振膜21的振动方向分别位于所述发声单体2相对两侧的前盖11和后盖12以及固定于所述前盖11和所述后盖12之间的第一支架13。
具体的，所述前盖11包括与所述后盖12相对设置的前盖板111和由所述前盖板111的周缘向所述后盖12的方向弯折延伸的前盖侧壁112。
所述前盖侧壁112设有贯穿其上的出声口10。
所述前盖板111和所述前盖侧壁112可以分体两个，也可以使一体制造。本实施方式中，所述前盖板111和所述前盖侧壁112为一体成型。
所述前盖侧壁112支撑固定于所述第一支架13远离所述后盖12的一侧且所述前盖板111与所述发声单体2间隔设置，所述第一支架13、所述前盖11及所述发声单体2共同围成前声腔101。所述振膜21收容于所述前声腔101内。所述出声口10位于所述前盖侧壁112。所述出声口10将所述前声腔101与外界连通形成侧发声结构，该结构提高侧发声的与外界的空气通畅性，使得所述扬声器箱100的音频品质提升。
所述后盖12包括后盖本体121以及由的述后盖本体121的周缘向所述前盖11方向弯折延伸的后盖侧壁122。
所述后盖12盖设固定于所述第一支架13远离所述前盖11的一侧，并形成密封固定。具体的，所述后盖侧壁122盖设固定于所述第一支架13远离所述前盖11的一侧。所述发声单体2、所述第一支架13以及所述后盖12共同围成密闭的后声腔102。
本实施方式中，所述后盖12与所述第一支架13焊接形成固定，所述前盖侧壁11与所述第一支架13焊接形成固定，前盖11与后盖12相对于现有技术中的塑料结构可设计更薄，且固定强度更可靠。
上述结构中，所述前盖11、所述后盖12以及所述第一支架13的组合结构，因前盖11和后盖12为金属材料制成，通过金属材料制成的第一支架13与后盖11固定，用以支撑固定发声单体2并形成所述后声腔102，再通过金属材料制成的第一支架13与前盖11固定并形成所述前声腔101，在确保壳体1的结构强度的前提下，其相对于全塑料壳体结构不仅可设计得更薄，且同样有效的装配发声单体2，从而极大程度的提高了壳体1内的腔体体积，有效的增加了发声单体2与所述壳体1围成的后声腔10的体积，进而改善了所述扬声器箱100的声学性能，特别是低频声学性能。
所述第一支架13包括贯穿其上的通口130、呈环形的支架本体131、由所述支架本体131的外周缘向所述后盖12方向弯折延伸的支架侧壁132以及由所述支架本体131的内周缘向远离所述后盖12方向弯折延伸并围成所述通口130的支撑台阶133。
所述发声单体2设有所述振膜21的一侧朝向所述通口130并支撑固定于所述第一支架13，所述第一支架13与所述发声单体2形成密封固定。
所述后盖12盖设固定于所述支架侧壁132，具体的，所述后盖侧壁122固定于所述支架侧壁132。所述前盖侧壁112支撑固定于所述支撑台阶133远离所述后盖12的一侧。该结构强度大，并其相对于全塑料壳体结构不仅可设计得更薄，且同样有效的装配发声单体2，从而极大程度的提高所述后盖12和所述第一支架13的腔体体积，有效的增加了发声单体2与所述后盖12围成的后声腔10的体积，进而改善了所述扬声器箱100的声学性能，特别是低频声学性能。
所述发声单体2的所述振膜21用于振动发声。具体的，所述振膜21包括振动部211、由所述振动部211的周缘弯折延伸的折环部212、由所述折环部212向远离所述振动部211的方向弯折延伸的振膜固定部213。所述发声单体2支撑固定于所述支撑台阶133靠近所述后盖12的一侧。具体的，所述支撑台阶133支撑固定于所述振膜固定部213，以使得所述第一支架13、所述振膜21、所述第一支架13以及所述前盖11共同围成所述前声腔101，同时使得所述扬声器箱100组装简单和可靠性高。
所述扬声器箱还包括位于所述后声腔102内的由塑料制成的第二支架3。所述第二支架3支撑固定于所述支架本体131并环绕所述发声单体2的周侧设置。
所述第一支架13与所述第二支架3可以分别制造并固定一起，当然，不限于此，本实施方式中，所述第一支架13与所述第二支架3为一体注塑成型。该结构使得所述扬声器箱100的制造更为简单并易于组装。
为进一步改善扬声器箱100的低频声学性能，所述扬声器箱100还包括位于所述后声腔102内的透气隔离件4。所述透气隔离件4固定于所述第二支架3并将所述发声单体2从所述后声腔102内分隔，从而使得后声腔102内可填充吸音材料。
具体的，所述透气隔离件4包括与所述后盖本体121间隔相对并贴合于所述发声单体2的隔离件本体41、由所述隔离件本体41的周缘向所述支架3方向弯折延伸的隔离件延伸部42以及由所述隔离件延伸部42远离所述隔离件本体41的一端弯折延伸的隔离件固定部43。所述隔离件延伸部42与所述前盖侧壁112间隔设置。所述隔离件固定部43所述第二支架3靠近所述后盖12的一侧。所述透气隔离件4、所述第一支架13、所述第二支架3及所述后盖12共同围成灌粉空间，所述灌粉空间用于填充吸音材料，比如吸音颗粒、吸音棉等。
所述扬声器箱100还包括将所述发声单体2与外界电信号连接的导电件5。
本实施方式中，所述导电件5包括支撑固定于所述第二支架3靠近所述后盖12一端的导电件本体51、由所述导电件本体51的两端向所述发声单体2方向延伸并与所述发声单体2固定电连接的连接臂52以及由所述导电件本体51向远离所述发声单体2方向延伸并同时贯穿所述后盖侧壁122和所述支架侧壁132的延伸臂53。
本实施方式中，所述延伸臂53同时贯穿所述前盖侧壁112及所述后盖侧壁122。该结构方便装配，贯穿前盖外侧壁112的位置及贯穿后盖侧壁122的位置可预先作为装配定位，提高装配效率。
为了使透气隔离件4与支架3固定时形成有效密封，确保灌粉空间内的吸音材料不会进入到发声单体2而影响其性能，本实施方式中，所述第二支架3靠近所述后盖12的一侧凹陷形成收容槽30。所述导电件本体51设置于所述收容槽30内并使得所述导电件本体51与所述第二支架3靠近所述后盖12的一侧平齐。所述隔离件延伸部42同时压设固定于所述导电件本体51及所述第二支架3。
为进一步改善扬声器箱100的可靠性，所述扬声器箱100还包括透气胶圈组件6。
具体的，所述透气胶圈组件6包括透气件61以及均呈环状且分别贴合固定于所述透气件61相对两侧的周缘的第一胶圈62和第二胶圈63。
所述透气胶圈组件6完全覆盖所述出声口10，所述出声口10通过所述透气胶圈组件6与外界空气连通。具体的，所述透气件61完全覆盖所述出声口10。该结构通过所述透气胶圈组件6使得所述出声口10连通外界的同时，还可以防止异物进入到前声腔101，从而提高了所述扬声器箱100的可靠性。
本实施方式中，所述透气件61为网布。
所述透气胶圈组件6贴合固定于所述前盖板111远离所述后盖12的一侧以及所述前盖侧壁112。具体的，所述第一胶圈62分别贴合固定于所述前盖板111和所述前盖侧壁112。所述第二胶圈63贴合固定于所述透气件61远离所述第一胶圈62的一侧。所述第二胶圈63用于与整机密封，增加所述扬声器箱100密封的可靠性。本实施方式中，所述第一胶圈62和所述第二胶圈63均为双面胶制成。当然，不限于此，其他可以两面粘贴的胶体也是可以的。
与相关技术相比，本发明的扬声器箱中，壳体的前盖、后盖以及第一支架均由金属材料制成，发声单体支撑固定于第一支架；后盖和前盖的前盖侧壁分别盖设固定于所述第一支架的相对两侧，上述结构中，金属的第一支架与金属的后盖组合，金属的前盖与金属的第一支架组合，在确保壳体的结构强度的前提下，其相对于全塑料壳体结构可设计得更薄，从而极大程度的提高了壳体内的腔体体积，有效的增加了发声单体与所述壳体围成的后声腔的体积，进而改善了所述扬声器箱的声学性能，特别是低频声学性能。另外，并本发明的扬声器箱中通过将贴合固定于前盖板远离后盖的一侧以及前盖侧壁并完全覆盖出声口，出声口通过透气胶圈组件与外界空气连通，该结构使得所述扬声器箱通过透气胶圈组件与整机密封，增加密封的可靠性，并且通过透气胶圈组件使得出声口连通外界的同时防止异物进入到前声腔，从而提高了所述扬声器箱的可靠性。
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (9)

  1. 一种扬声器箱，其包括壳体以及固定收容于所述壳体内的发声单体，所述发声单体包括用于振动发声的振膜，其特征在于，所述壳体为金属材料制成，所述壳体包括沿所述振膜的振动方向分别位于所述发声单体相对两侧的前盖和后盖以及固定于所述前盖和所述后盖之间的第一支架，所述前盖包括与所述后盖相对设置的前盖板和由所述前盖板的周缘向所述后盖的方向弯折延伸的前盖侧壁，所述前盖侧壁设有贯穿其上的出声口；所述第一支架设有贯穿其上的通口，所述发声单体设有所述振膜的一侧朝向所述通口并支撑固定于所述第一支架；所述后盖盖设固定于所述第一支架远离所述前盖的一侧，所述第一支架、所述发声单体及所述后盖共同围成密封闭的后声腔；所述前盖侧壁支撑固定于所述第一支架远离所述后盖的一侧且所述前盖板与所述发声单体间隔设置，所述第一支架、所述前盖及所述发声单体共同围成前声腔，所述出声口将所述前声腔与外界连通形成侧发声结构；所述扬声器箱还包括透气胶圈组件，所述透气胶圈组件贴合固定于所述前盖板远离所述后盖的一侧以及所述前盖侧壁并完全覆盖所述出声口，所述出声口通过所述透气胶圈组件与外界空气连通。
  2. 根据权利要求1所述的扬声器箱，其特征在于，所述透气胶圈组件包括透气件以及均呈环状且分别贴合固定于所述透气件相对两侧的周缘的第一胶圈和第二胶圈，所述透气件完全覆盖所述出声口，所述第一胶圈分别贴合固定于所述前盖板和所述前盖侧壁，所述第二胶圈贴合固定于所述透气件远离所述第一胶圈的一侧。
  3. 根据权利要求2所述的扬声器箱，其特征在于，所述第一胶圈和所述第二胶圈均为双面胶制成。
  4. 根据权利要求1所述的扬声器箱，其特征在于，所述第一支架包括呈环形的支架本体、由所述支架本体的外周缘向所述后盖方向弯折延伸的支架侧壁以及由所述支架本体的内周缘向远离所述后盖方向弯折延伸并围成所述通口的支撑台阶，所述发声单体支撑固定于所述支撑台阶靠近所述后盖的一侧，所述后盖盖设固定于所述支架侧壁，所述前盖侧壁支撑固定于所述支撑台阶远离所述后盖的一侧。
  5. 根据权利要求4所述的扬声器箱，其特征在于，所述扬声器箱还包括位于所述后声腔内的由塑料制成的第二支架以及透气隔离件，所述第二支架支撑固定于所述支架本体并环绕所述发声单体的周侧设置，所述透气隔离件固定于所述第二支架并将所述发声单体从所述后声腔内分隔。
  6. 根据权利要求5所述的扬声器箱，其特征在于，所述后盖包括后盖本体以及由的述后盖本体的周缘向所述前盖方向弯折延伸的后盖侧壁，所述后盖侧壁固定于所述支架侧壁。
  7. 根据权利要求6所述的扬声器箱，其特征在于，所述透气隔离件包括与所述后盖本体间隔相对并贴合于所述发声单体的隔离件本体、由所述隔离件本体的周缘向所述支架方向弯折延伸的隔离件延伸部以及由所述隔离件延伸部远离所述隔离件本体的一端弯折延伸的隔离件固定部；所述隔离件延伸部与所述前盖侧壁间隔设置，所述隔离件固定部贴合固定于所述第二支架靠近所述后盖的一侧；所述透气隔离件、所述第一支架、所述第二支架及所述后盖共同围成灌粉空间，所述灌粉空间用于填充吸音材料。
  8. 根据权利要求7所述的扬声器箱，其特征在于，所述扬声器箱还包括将所述发声单体与外界电信号连接的导电件，所述导电件包括支撑固定于所述第二支架靠近所述后盖一端的导电件本体、由所述导电件本体的两端向所述发声单体方向延伸并与所述发声单体固定电连接的连接臂以及由所述导电件本体向远离所述发声单体方向延伸并同时贯穿所述后盖侧壁和所述支架侧壁的延伸臂；所述第二支架靠近所述后盖的一侧凹陷形成收容槽，所述导电件本体设置于所述收容槽内并使得所述导电件本体与所述第二支架靠近所述后盖的一侧平齐，所述隔离件延伸部同时压设固定于所述导电件本体及所述第二支架。
  9. 根据权利要求5所述的扬声器箱，其特征在于，所述第一支架与所述第二支架为一体注塑成型。
PCT/CN2020/123580 2020-08-27 2020-10-26 扬声器箱 WO2022041442A1 (zh)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112468911B (zh) * 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 扬声器箱及其装配工艺
CN113473351B (zh) * 2021-06-28 2023-04-25 歌尔股份有限公司 扬声器模组、隔离网布组件的加工工艺及电子设备
CN113993033B (zh) * 2021-10-13 2024-02-06 维沃移动通信有限公司 电子设备、音频调节方法及装置

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN204131668U (zh) * 2014-05-13 2015-01-28 歌尔声学股份有限公司 扬声器模组
TWM497394U (zh) * 2014-10-06 2015-03-11 Foxconn Interconnect Technology Ltd 揚聲器組件
CN206433160U (zh) * 2017-01-12 2017-08-22 瑞声科技(新加坡)有限公司 扬声器箱
CN208675505U (zh) * 2018-09-28 2019-03-29 歌尔科技有限公司 扬声器模组及移动终端
CN210016623U (zh) * 2019-05-21 2020-02-04 瑞声科技(新加坡)有限公司 扬声器箱
CN210641067U (zh) * 2019-05-21 2020-05-29 瑞声科技(新加坡)有限公司 扬声器箱
CN211321500U (zh) * 2020-01-09 2020-08-21 瑞声科技(新加坡)有限公司 扬声器箱
CN211321488U (zh) * 2020-01-09 2020-08-21 瑞声科技(新加坡)有限公司 扬声器箱
CN211321501U (zh) * 2020-01-09 2020-08-21 瑞声科技(新加坡)有限公司 扬声器箱

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7227957B2 (en) * 2000-06-09 2007-06-05 Ziyi Cheng Noise-suppressing receiver
KR101417695B1 (ko) * 2010-08-19 2014-07-08 애플 인크. 휴대용 전자 장치
US20130301863A1 (en) * 2011-04-28 2013-11-14 Nflukz, Llc Hand-held electronic device and/or cover for a hand-held electronic device
CN110198510B (zh) * 2018-02-26 2022-04-15 歌尔股份有限公司 发声器
US10225645B1 (en) * 2018-08-06 2019-03-05 AAC Technologies Pte. Ltd. Speaker box
CN209009082U (zh) * 2018-09-14 2019-06-21 江苏生生包装箱有限公司 一种具有防水的包装纸箱
CN110392329A (zh) * 2019-06-03 2019-10-29 瑞声科技(新加坡)有限公司 发声器件
CN111314807A (zh) * 2020-02-19 2020-06-19 瑞声科技(新加坡)有限公司 扬声器箱

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN204131668U (zh) * 2014-05-13 2015-01-28 歌尔声学股份有限公司 扬声器模组
TWM497394U (zh) * 2014-10-06 2015-03-11 Foxconn Interconnect Technology Ltd 揚聲器組件
CN206433160U (zh) * 2017-01-12 2017-08-22 瑞声科技(新加坡)有限公司 扬声器箱
CN208675505U (zh) * 2018-09-28 2019-03-29 歌尔科技有限公司 扬声器模组及移动终端
CN210016623U (zh) * 2019-05-21 2020-02-04 瑞声科技(新加坡)有限公司 扬声器箱
CN210641067U (zh) * 2019-05-21 2020-05-29 瑞声科技(新加坡)有限公司 扬声器箱
CN211321500U (zh) * 2020-01-09 2020-08-21 瑞声科技(新加坡)有限公司 扬声器箱
CN211321488U (zh) * 2020-01-09 2020-08-21 瑞声科技(新加坡)有限公司 扬声器箱
CN211321501U (zh) * 2020-01-09 2020-08-21 瑞声科技(新加坡)有限公司 扬声器箱

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