WO2022041469A1 - 扬声器箱 - Google Patents
扬声器箱 Download PDFInfo
- Publication number
- WO2022041469A1 WO2022041469A1 PCT/CN2020/125478 CN2020125478W WO2022041469A1 WO 2022041469 A1 WO2022041469 A1 WO 2022041469A1 CN 2020125478 W CN2020125478 W CN 2020125478W WO 2022041469 A1 WO2022041469 A1 WO 2022041469A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sound
- front cover
- bracket
- cover
- speaker box
- Prior art date
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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
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 ultrasonic welding is used to realize the sealing of the sounding unit. 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 casing, a sound-generating unit fixedly accommodated in the casing, and a ring-shaped bracket made of plastic located in the casing; the The sound-generating unit and the housing together form a rear sound cavity, the sound-generating unit includes a vibrating membrane for vibrating and sounding, the housing includes a front cover made of metal material, and a cover is fixed on the front cover a back cover made of metal material and a sound outlet arranged through the front cover; the bracket is arranged around the sound outlet and wraps the periphery of the sound outlet to form a fixed connection with the front cover , the side of the sound-emitting unit with the diaphragm facing the sound outlet and supported on the bracket, the bracket is arranged around the peripheral side of the sound-emitting unit and forms a seal with the sound-emitting unit
- the sound-generating unit, the bracket, the front cover and the rear cover together form the airtight rear sound cavity.
- the front cover includes a front cover body provided with the sound outlet, an outer side wall of the front cover extending from the outer peripheral edge of the front cover body toward the rear cover and fixedly connected to the rear cover, and
- the inner side wall of the front cover extends from the inner peripheral edge of the front cover body to the direction of the rear cover;
- the bracket includes an inner side wall of the front cover body and the inner side wall of the front cover.
- a bracket body and a bracket extension wall extending from the bracket body along the inner side wall of the front cover and wrapping the inner side wall of the front cover, the bracket extension wall is arranged around the periphery of the sounding unit and is connected with the sounding unit
- the monomer forms a hermetic fixation.
- one end of the bracket extension wall away from the rear cover is flush with the front cover body.
- the front cover and the bracket are integrally formed with plastic.
- the speaker box further includes a ventilating spacer located in the rear acoustic cavity, the ventilating spacer is attached to the sound-generating unit and separates the sound-generating unit from the rear acoustic cavity.
- the ventilating spacer includes an spacer body that is spaced apart from the back cover and is attached to the sound-generating unit, and an spacer extension that is bent and extended from the periphery of the spacer body toward the bracket. and a spacer fixing portion bent and extended from one end of the spacer extending portion away from the spacer body; the spacer extending portion is spaced from the housing, and the spacer fixing portion is fixed to the spacer
- the bracket body is close to one side of the rear cover; the ventilation spacer, the bracket, the front cover and the rear cover together form a powder filling space, and the powder filling space is used to fill the sound-absorbing material.
- the speaker box further includes a conductive member that connects 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 bracket body close to the back cover, and the conductive member is Both ends of the conductor body extend toward the sound-generating unit and are fixed and electrically connected to the connecting arm; and the conductor body extends away from the sound-generating unit and penetrates the casing an extension arm; a side of the bracket body close to the rear cover is recessed to form a receiving groove, and the conductive part body is arranged in the receiving groove so that the conductive part body and the bracket body are close to the back cover One side is flush, and the spacer fixing portion is press-fitted and fixed to the conductive element body and the bracket at the same time.
- the rear cover includes a rear cover body disposed opposite to the spacer body at a distance, and a peripheral edge of the rear cover body is bent and extended toward the front cover, and is abutted and fixed with the outer side wall of the front cover
- the side wall of the rear cover, the extension arm penetrates through the outer side wall of the front cover and the side wall of the rear cover at the same time.
- a rubber ring is attached to a side of the front cover away from the rear cover, and the rubber ring is arranged around the sound outlet.
- the rubber ring is a double-sided tape.
- the front cover and the rear cover of the casing are made of metal materials, and are fixed to the front cover by brackets made of plastic materials to support and fix the sound-producing unit.
- the plastic bracket is combined with the metal front cover, and the metal front cover is combined with the metal rear cover.
- it can be designed to be thinner than the all-plastic shell structure, so that The volume of the cavity in the casing is greatly increased, and the volume of the rear acoustic cavity enclosed by the sound generating unit and the casing is effectively increased, thereby improving the acoustic performance of the speaker box, especially the low-frequency acoustic performance.
- 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 .
- the present invention provides a speaker box 100, which includes a housing 1, a sound-generating unit 2 fixedly accommodated in the housing 1, and a bracket 3 located in the housing 1, The sound-generating unit 2 and the housing 1 together form a rear sound cavity 10 .
- the housing 1 includes a front cover 11 made of metal material, a rear cover 12 made of metal material covered and fixed on the front cover 11 , and a sound outlet 13 provided through the front cover 11 .
- the bracket 3 is made of plastic and has an annular structure.
- the bracket 3 is arranged around the sound outlet 13 and wraps the periphery of the sound outlet 13 to form a fixed connection with the front cover 11 .
- the sound-generating unit 2 includes a vibrating membrane 21 for vibrating and producing sound.
- the side of the sound-generating unit 2 with the vibrating membrane 21 faces the sound outlet 13 and is supported on the bracket 3 . 3. It is arranged around the periphery of the sound-generating unit 2 and is sealed and fixed with the sound-generating unit 2, so that the sound-generating unit 2, the bracket 3, the front cover 11 and the rear cover 12 work together
- the airtight rear acoustic cavity 10 is enclosed.
- the sounding unit 2, on the premise of ensuring the structural strength of the housing 1, can not only be designed to be thinner than the all-plastic housing structure, but also effectively assemble the sounding unit 2, thereby greatly improving the housing.
- the volume of the cavity in 1 effectively increases the volume of the rear acoustic cavity 10 enclosed by the sound generating unit 2 and the housing 1, thereby improving the acoustic performance of the speaker box, especially the low-frequency acoustic performance.
- the front cover 11 includes a front cover body 111 provided with the sound outlet 13 , which extends from the outer periphery of the front cover body 111 toward the rear cover 12 and is fixedly connected to the rear cover 12 .
- the front cover outer side wall 112 and the front cover inner side wall 113 extending from the inner peripheral edge of the front cover body 111 to the rear cover 12 direction.
- the back cover 12 includes a back cover body 121 disposed opposite to the sounding unit 2 at a distance, and is bent and extended toward the front cover 11 from the peripheral edge of the back cover body 121 and is connected to the outer side wall 112 of the front cover. Abutting against the fixed rear cover side wall 122 .
- the front cover 11 is fixed by welding the outer side wall 112 of the front cover and the back cover side wall 122 of the rear cover.
- the structure can be designed thinner, and the fixing strength is more reliable.
- a leakage portion 22 is provided on the side of the sound generating unit 2 away from the diaphragm 21 , and the leakage portion 22 communicates with the rear acoustic cavity 10 .
- the side of the sound-generating unit 2 with the diaphragm 21 is disposed toward the sound outlet 13, and the side of the sound-generating unit 2 close to the diaphragm 21 is the sound-emitting side, which is directly connected to the outside world to form a positive sound-emitting structure . More preferably, a part of the sound-generating unit 2 is exposed to the sound-emitting device 13, which further increases the volume of the rear acoustic cavity 10, so as to further improve the low-frequency acoustic performance.
- the bracket 3 includes a bracket body 31 and a bracket extension wall 32 extending from the bracket body 31 .
- the bracket body 31 is located in the casing 1 and is abutted and fixed to the front cover body 111 and the front cover inner side wall 113 at the same time.
- the bracket extension wall 32 extends along the inner side wall 113 of the front cover and wraps the inner side wall 113 of the front cover, that is, the inner side wall 113 of the front cover is embedded in the bracket 3, so that the fixing reliability of the two is better.
- the front cover 1 and the bracket 3 are integrally formed of plastic.
- the bracket extension wall 32 is disposed around the periphery of the sound-generating unit 2 and forms a seal with the sound-generating unit 2, so that the rear acoustic cavity 10 forms a closed space for improving low-frequency acoustic performance.
- one end of the bracket extension wall 32 away from the rear cover 12 is flush with the front cover body 111 .
- This structural arrangement makes the structure of the bracket 3 and the front cover 11 consistent, and the overall appearance is more beautiful.
- the speaker box 100 further includes a ventilating spacer 4 located in the rear acoustic cavity 10, the ventilating spacer 4 is attached to the sound-emitting unit 2 and the The sound-generating unit 2 is separated from the rear acoustic cavity 10 , so that the rear acoustic cavity 10 can be filled with sound-absorbing material.
- the ventilating spacer 4 includes a spacer body 41 that is spaced apart from the back cover 12 and is attached to the sounding unit 1 , and is bent toward the bracket 3 from the periphery of the spacer body 41 .
- the spacer extension portion 42 that is folded and extended and the spacer fixing portion 43 that is bent and extended from the end of the spacer extension portion 42 away from the spacer body 41 can be bent and extended toward the direction close to the outer side wall 112 of the front cover. It can also be bent and extended in a direction away from the outer side wall 112 of the front cover.
- the spacer extending portion 42 is spaced apart from the housing 1 , and the spacer fixing portion 42 is fixed to the side of the bracket body 31 close to the rear cover 12 .
- the breathable spacer 4 , the bracket 3 , the front cover 11 and the rear 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, sound-absorbing cotton, and the like.
- 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 bracket body 31 close to the rear cover 12 .
- a connecting arm 52 that extends and is fixed and electrically connected to the sounding unit 2 and an extension arm 53 that extends away from the sounding unit 2 from the conductor body 51 and penetrates through the housing 1 .
- the extension arm 53 penetrates both the outer side wall 112 of the front cover and the side wall 122 of the rear cover. This structure is convenient for assembly. It can be used as assembly positioning in advance to improve assembly efficiency.
- the bracket body 31 is close to the rear
- One side of the cover 12 is recessed to form a receiving groove 311
- the conductive member body 51 is disposed in the receiving groove 311 so that the conductive member body 51 is flush with the side of the bracket body 31 close to the rear cover 12 .
- the spacer fixing portion 43 is simultaneously press-fitted and fixed to the conductor body 51 and the bracket body 31 of the bracket 3 .
- the side of the front cover 11 away from the rear cover 12 is fitted with a rubber ring 6 , and the rubber ring 6 is arranged around the sound outlet 13 .
- the arrangement of the rubber ring 6 is used to achieve fixed sealing with the entire terminal when the speaker element 100 is installed on the terminal.
- the rubber ring 6 is a double-sided tape, of course, it is not limited to this, and can also be rubber, sponge, or the like.
- the front cover and the rear cover of the casing are made of metal materials, and are fixed to the front cover by brackets made of plastic materials to support and fix the sound-producing unit.
- the plastic bracket is combined with the metal front cover, and the metal front cover is combined with the metal back cover.
- it can be designed to be thinner than the plastic shell, thereby greatly reducing the thickness of the plastic shell.
- the volume of the cavity in the casing is increased to a certain extent, and the volume of the rear acoustic cavity enclosed by the sound generating unit and the casing is effectively increased, thereby improving the acoustic performance of the speaker box, especially the low-frequency acoustic performance.
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Abstract
本发明提供了一种扬声器箱,其包括壳体、固定收容于壳体内的发声单体以及位于壳体内的由塑料制成的呈环状的支架;发声单体与壳体共同围成后声腔,发声单体包括振膜,壳体包括由金属材料制成的前盖、盖设固定于前盖的由金属材料制成的后盖以及贯穿前盖设置的出声口;支架环绕出声口设置并将出声口的周缘包裹以与前盖形成固定连接,发声单体设有振膜的一侧朝向出声口设置,支架环绕发声单体的周侧并与发声单体形成密封固定,发声单体、支架、前盖以及后盖共同围成密闭的后声腔。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
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。
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。
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。
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位于所述壳体内的由塑料制成的呈环状的支架;所述发声单体与所述壳体共同围成后声腔,所述发声单体包括用于振动发声的振膜,所述壳体包括由金属材料制成的前盖、盖设固定于所述前盖的由金属材料制成的后盖以及贯穿所述前盖设置的出声口;所述支架环绕所述出声口设置并将所述出声口的周缘包裹以与所述前盖形成固定连接,所述发声单体设有所述振膜的一侧朝向所述出声口并支撑于所述支架,所述支架环绕所述发声单体的周侧设置并与所述发声单体形成密封固定,所述发声单体、所述支架、所述前盖以及所述后盖共同围成密闭的所述后声腔。
优选的,所述前盖包括设有所述出声口的前盖本体、由所述前盖本体的外周缘向所述后盖方向延伸并与所述后盖固定连接的前盖外侧壁以及由所述前盖本体的内周缘向所述后盖方向延伸的前盖内侧壁;所述支架包括位于所述壳体内并同时抵接固定于所述前盖本体与所述前盖内侧壁的支架本体和由所述支架本体沿所述前盖内侧壁延伸并将所述前盖内侧壁包裹的支架延伸壁,所述支架延伸壁环绕所述发声单体的周侧设置并与所述发声单体形成密封固定。
优选的,所述支架延伸壁远离所述后盖的一端与所述前盖本体平齐。
优选的,所述前盖与所述支架为一体塑料成型。
优选的,所述扬声器箱还包括位于所述后声腔内的透气隔离件,所述透气隔离件贴设于所述发声单体并将所述发声单体从所述后声腔内分隔。
优选的,所述透气隔离件包括与所述后盖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壳体间隔设置,所述隔离件固定部固定于所述支架本体靠近所述后盖的一侧;所述透气隔离件、所述支架、所述前盖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支架本体靠近所述后盖一端的导电件本体、由所述导电体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贯穿所述壳体的延伸臂;所述支架本体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支架本体靠近所述后盖的一侧平齐,所述隔离件固定部同时压设固定于所述导电件本体及所述支架。
优选的,所述后盖包括与所述隔离件本体间隔相对设置的后盖本体以及由所述后盖本体的周缘向所述前盖方向弯折延伸并与所述前盖外侧壁抵接固定的后盖侧壁,所述延伸臂同时贯穿所述前盖外侧壁及所述后盖侧壁。
优选的,所述前盖远离所述后盖的一侧贴合胶圈,所述胶圈环绕所述出声口设置。
优选的,所述胶圈为双面胶。
与相关技术相比,本发明的扬声器箱中,所述壳体的前盖和后盖由金属材料制成,通过塑料材料制成的支架与前盖固定,用以支撑固定发声单体,上述结构中,塑料的支架与金属的前盖组合,金属的前盖与金属的后盖组合,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。
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。
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1-4,本发明提供了一种扬声器箱100,其包括壳体1和固定收容于所述壳体1内的发声单体2以及位于所述壳体1内的支架3,所述发声单体2与所述壳体1共同围成后声腔10。
所述壳体1包括由金属材料制成的前盖11、盖设固定于所述前盖11的由金属材料制成的后盖12以及贯穿所述前盖11设置的出声口13。
所述支架3由塑料制成并呈环状结构,所述支架3环绕所述出声口13设置并将所述出声口13的周缘包裹以与所述前盖11形成固定连接。
所述发声单体2包括用于振动发声的振膜21,所述发声单体2设有所述振膜21的一侧朝向所述出声口13并支撑于所述支架3,所述支架3环绕所述发声单体2的周侧设置并与所述发声单体2形成密封固定,从而,所述发声单体2、所述支架3、所述前盖11以及所述后盖12共同围成密闭的所述后声腔10。
上述结构中,前盖11、后盖12以及支架3的组合结构,因前盖11和后盖12为金属材料制成,通过塑料材料制成的支架3与前盖11固定,用以支撑固定发声单体2,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的声学性能,特别是低频声学性能。
具体的,所述前盖11包括设有所述出声口13的前盖本体111、由所述前盖本体111的外周缘向所述后盖12方向延伸并与所述后盖12固定连接的前盖外侧壁112以及由所述前盖本体111的内周缘向所述后盖12方向延伸的前盖内侧壁113。
所述后盖12包括与所述发声单体2间隔相对设置的后盖本体121以及由所述后盖本体121的周缘向所述前盖11方向弯折延伸并与所述前盖外侧壁112抵接固定的后盖侧壁122。本实施方式中,所述前盖11通过所述前盖外侧壁112与所述后盖的所述后盖侧壁122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。
本实施方式中,发声单体2远离振膜21的一侧设有泄露部22,泄露部22与所述后声腔10连通。
所述发声单体2设有所述振膜21的一侧朝向所述出声口13设置,发声单体2靠近振膜21的一侧即为发声侧,直接与外界连通,形成正面发声结构。更优的,所述发声单体2部分外露于出声器13,进一步增大后声腔10的体积,以进一步改善低频声学性能。
所述支架3包括支架本体31和由支架本体31延伸的支架延伸壁32。
支架本体31位于所述壳体1内并同时抵接固定于所述前盖本体111与所述前盖内侧壁113。支架延伸壁32沿所述前盖内侧壁113延伸并将所述前盖内侧壁113包裹,即前盖内侧壁113嵌设于支架3内,使得二者的固定可靠性更好。本实施方式中,所述前盖1与所述支架3为一体塑料成型。
所述支架延伸壁32环绕所述发声单体2的周侧设置并与所述发声单体2形成密封固,以使得后声腔10形成密闭空间,用以改善低频声学性能。
本实施方式中,所述支架延伸壁32远离所述后盖12的一端与所述前盖本体111平齐。该结构设置使得支架3与前盖11结构一致,外观整体美观度更优。
为进一步改善扬声器件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10内的透气隔离件4,所述透气隔离件4贴设于所述发声单体2并将所述发声单体2从所述后声腔10内分隔,从而使得后声腔10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12间隔相对并贴合于所述发声单体1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,可向靠近前盖外侧壁112的方向弯折延伸,也可向远离前盖外侧壁112的方向弯折延伸。所述隔离件延伸部42与所述壳体1间隔设置,所述隔离件固定部42固定于所述支架本体31靠近所述后盖12的一侧。所述透气隔离件4、所述支架3、所述前盖11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支架本体31靠近所述后盖12一端的导电件本体51、由所述导电体本体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方向延伸并贯穿所述壳体1的延伸臂53。本实施方式中,所述延伸臂53同时贯穿所述前盖外侧壁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,所述支架本体31靠近所述后盖12的一侧凹陷形成收容槽311,所述导电件本体51设置于所述收容槽311内并使得所述导电件本体51与所述支架本体31靠近所述后盖12的一侧平齐,所述隔离件固定部43同时压设固定于所述导电件本体51及所述支架3的支架本体31。
更优的,本实施方式中,所述前盖11远离所述后盖12的一侧贴合胶圈6,所述胶圈6环绕所述出声口13设置。胶圈6的设置用以将扬声器件100安装至终端时与终端整机实现固定密封。本实施方式中,所述胶圈6为双面胶,当然不限于此,也可为橡胶,海绵等。
与相关技术相比,本发明的扬声器箱中,所述壳体的前盖和后盖由金属材料制成,通过塑料材料制成的支架与前盖固定,用以支撑固定发声单体,上述结构中,塑料的支架与金属的前盖组合,金属的前盖与金属的后盖组合,在确保壳体的结构强度的前提下,其相对于塑料壳体可设计得更薄,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。
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 (10)
- 一种扬声器箱,其包括壳体和固定收容于所述壳体内的发声单体,所述发声单体与所述壳体共同围成后声腔,所述发声单体包括用于振动发声的振膜,其特征在于,所述壳体包括由金属材料制成的前盖、盖设固定于所述前盖的由金属材料制成的后盖以及贯穿所述前盖设置的出声口;所述扬声器箱还包括位于所述壳体内的由塑料制成的呈环状的支架,所述支架环绕所述出声口设置并将所述出声口的周缘包裹以与所述前盖形成固定连接,所述发声单体设有所述振膜的一侧朝向所述出声口并支撑于所述支架,所述支架环绕所述发声单体的周侧设置并与所述发声单体形成密封固定,所述发声单体、所述支架、所述前盖以及所述后盖共同围成密闭的所述后声腔。
- 根据权利要求1所述的扬声器箱,其特征在于,所述前盖包括设有所述出声口的前盖本体、由所述前盖本体的外周缘向所述后盖方向延伸并与所述后盖固定连接的前盖外侧壁以及由所述前盖本体的内周缘向所述后盖方向延伸的前盖内侧壁;所述支架包括位于所述壳体内并同时抵接固定于所述前盖本体与所述前盖内侧壁的支架本体和由所述支架本体沿所述前盖内侧壁延伸并将所述前盖内侧壁包裹的支架延伸壁,所述支架延伸壁环绕所述发声单体的周侧设置并与所述发声单体形成密封固定。
- 根据权利要求2所述的扬声器箱,其特征在于,所述支架延伸壁远离所述后盖的一端与所述前盖本体平齐。
- 根据权利要求1所述的扬声器箱,其特征在于,其特征在于,所述前盖与所述支架为一体塑料成型。
- 根据权利要求2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透气隔离件,所述透气隔离件贴设于所述发声单体并将所述发声单体从所述后声腔内分隔。
- 根据权利要求5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壳体间隔设置,所述隔离件固定部固定于所述支架本体靠近所述后盖的一侧;所述透气隔离件、所述支架、所述前盖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。
- 根据权利要求6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支架本体靠近所述后盖一端的导电件本体、由所述导电体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贯穿所述壳体的延伸臂;所述支架本体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支架本体靠近所述后盖的一侧平齐,所述隔离件固定部同时压设固定于所述导电件本体及所述支架。
- 根据权利要求7所述的扬声器箱,其特征在于,所述后盖包括与所述隔离件本体间隔相对设置的后盖本体以及由所述后盖本体的周缘向所述前盖方向弯折延伸并与所述前盖外侧壁抵接固定的后盖侧壁,所述延伸臂同时贯穿所述前盖外侧壁及所述后盖侧壁。
- 根据权利要求1所述的扬声器箱,其特征在于,所述前盖远离所述后盖的一侧贴合胶圈,所述胶圈环绕所述出声口设置。
- 根据权利要求9所述的扬声器箱,其特征在于,所述胶圈为双面胶。
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