WO2016179990A1 - Vibration loudspeaker - Google Patents

Vibration loudspeaker Download PDF

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Publication number
WO2016179990A1
WO2016179990A1 PCT/CN2015/094541 CN2015094541W WO2016179990A1 WO 2016179990 A1 WO2016179990 A1 WO 2016179990A1 CN 2015094541 W CN2015094541 W CN 2015094541W WO 2016179990 A1 WO2016179990 A1 WO 2016179990A1
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WO
WIPO (PCT)
Prior art keywords
vibration
outer casing
mass
rear cover
positioning
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PCT/CN2015/094541
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French (fr)
Chinese (zh)
Inventor
王继宗
李栋
许超
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歌尔声学股份有限公司
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Publication of WO2016179990A1 publication Critical patent/WO2016179990A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers

Definitions

  • the invention relates to the technical field of electroacoustic products, and in particular to a vibration speaker.
  • the vibration speaker is a multifunctional acoustic device that has the function of a vibration motor in addition to the vibration sounding function of the ordinary speaker.
  • the vibration speaker can save the internal space of the portable electronic terminal, simplify the assembly process of the portable electronic terminal, and reduce the cost of the portable electronic terminal, so the vibration speaker is more and more widely used in the field of portable electronic terminals.
  • the structure of the vibration speaker in the prior art mainly comprises a casing, a rear cover that cooperates with the casing, the rear cover and the casing form a cavity, and the vibration system and the magnetic circuit system are accommodated in the cavity, and between the magnetic circuit system and the outer casing
  • the cavity position is provided with a mass.
  • the technical problem to be solved by the present invention is to provide a vibration speaker with good vibration performance.
  • a vibration speaker includes a housing, a rear cover mated with the housing, a vibration system and a magnetic circuit system housed in the housing, and a mass fixed to the magnetic circuit system, and the housing is remote from the vibration system
  • One end of the mass is provided with a sound hole, and the mass is provided with a protrusion corresponding to the sound hole, and a projection of the mass protrusion on the sound hole plane partially overlaps the sound hole.
  • the outer casing has a square structure, and the sound hole is The outer casing is formed in cooperation with the rear cover, and the sound emitting holes are located at four corners of the square structural outer casing.
  • the mass protrusion is a triangular structure formed by two oblique sides and a mass body.
  • the sound hole shape is a triangle; the triangular structure of the sound hole is parallel to at least one side of the triangular structure of the mass protrusion.
  • the four corner portions of the square structure outer casing are provided with a recess
  • the rear cover is provided with a step corresponding to the recess
  • the rear cover is inlaid and fixed with the outer casing.
  • the housing recessed position is provided with a positioning structure
  • the rear cover is provided with a positioning hole corresponding to the positioning structure
  • the positioning structure is disposed in the recesses of the four corners of the outer casing, and two positioning structures are disposed in the recess of each corner of the outer casing, and the outer casing is provided with 8
  • the positioning structure is provided; the back cover is correspondingly provided with 8 positioning holes.
  • the positioning structure is a heat fusion column.
  • the sound hole corresponding to the rear portion of the vibrating speaker is provided with a convex portion, and the projection of the mass protruding portion on the sound hole plane of the rear portion of the vibrating speaker partially overlaps with the sound emitting hole, and the mass is convex.
  • the contact area of the mass block and the air flow vibration can be increased, thereby increasing the vibration strength of the vibration speaker, which is beneficial to improving the vibration performance of the vibration speaker.
  • the larger the area where the protruding portion overlaps with the sounding hole the better the vibration performance of the vibrating speaker.
  • the vibration speaker of the invention has the advantage of good vibration performance.
  • FIG. 1 is a perspective view of a vibrating speaker according to a specific embodiment of the present invention.
  • Figure 2 is an exploded view of the vibration speaker shown in Figure 1;
  • Figure 3 is a cross-sectional view of the vibration speaker shown in Figure 1;
  • FIG. 4 is a schematic view showing the structure of the mass block, the outer casing and the back cover of the embodiment
  • Figure 5 is a perspective view of the mass of the embodiment
  • Fig. 6 is an enlarged view of a portion of the vibration speaker 1 shown in Fig. 1.
  • the vibration speaker of the present invention comprises a casing 1 , a rear cover 2 fixedly engaged with one end of the casing 1 , and a front cover 11 fixed to the other end of the casing 1 , and a casing 1 and a rear cover 2 .
  • the front cover 11 cooperates to form a cavity that houses the fixed vibration system and the magnetic circuit system.
  • the vibration system includes a diaphragm 32, a reinforcing portion 31 fixed to the diaphragm, and a voice coil 33.
  • the vibrating speaker of the present invention further includes a supporting piece 41 and a mass 42.
  • the mass 42 is an annular structure, and the mass 42 is disposed outside the basin frame 53 and the basin frame 53.
  • the fixing piece; the supporting piece 41 includes a second fixing portion disposed inside and a first fixing portion fixed to the outer casing, the second fixing portion of the supporting piece 41 is fixed to the basin frame 53, and the basin frame 53 is suspended from the outer casing by the supporting piece 41 1 internal.
  • a drive current is input into the voice coil 33, and the voice coil 33 is disposed in the magnetic gap.
  • the current change in the voice coil 33 disposed in the magnetic field causes the voice coil to be subjected to Lorentz force, and is suspended from the voice coil.
  • the magnetic circuit system within the outer casing 1 is subjected to a reaction force.
  • the reaction force received by the magnetic circuit system resonates with the mass, the vibration of the vibrating speaker is obvious, and the vibrating speaker can perform the vibration function; when the higher frequency signal is input in the voice coil 33
  • the voice coil 33 vibrates obviously, and the diaphragm 32 vibrates and sounds, and the vibrating speaker plays the role of sounding.
  • the vibration speaker of the invention is added on the basis of the speaker The vibration function saves the internal space and assembly process of the portable electronic terminal.
  • the outer casing 1 has a square structure, and the four corners of the outer casing 1 of the square structure are provided with sound holes 6, and the sound emitting holes 6 are actually composed of the outer casing 1 and the rear cover 2.
  • the mass 42 is provided with a convex portion corresponding to the sound hole 6, and the projection of the protruding portion on the plane of the sound hole 6 partially overlaps with the sound hole.
  • the mass 42 is provided with a protrusion corresponding to the sound hole 6, which can increase the contact area of the mass 42 with the vibrating airflow, that is, increase the vibration contact area of the mass and the sound hole 6, which is beneficial to increase the vibration of the vibrating speaker.
  • the strength is beneficial to improve the vibration performance of the vibrating speaker.
  • the sound emitting holes 6 are disposed at the four corners, and the protruding portions on the mass 42 are correspondingly provided with four portions, and the convex portions on the mass 42 are protruded.
  • the portion is composed of a beveled edge 42a and a beveled edge 42b, and the beveled edge 42a, the beveled edge 42b and the mass 42 are formed into a triangular structure.
  • the sound hole 6 is also a triangular structure, and the triangular sound hole 6 and the triangular protrusion of the mass 42 have at least one side parallel, which can be maximized without affecting the sound directivity of the vibration speaker. Limit the vibration contact area between the mass and the sound hole to maximize the vibration performance of the vibrating speaker.
  • the vibrating speaker of the present invention has a square structure of the outer casing 1, and the rear cover 2 has a square shape and a casing.
  • the four corners of 1 are provided with a recess 1a
  • the rear cover 2 is provided with a step 2a corresponding to the recess 1a, that is, both ends of the four axial sides of the square rear cover 2 are provided with a step 2a, and the rear cover 2 and the outer casing 1 pass through the recess 1a is fixed inlaid with the step 2a.
  • the vibration speaker of the structure can effectively improve the degree of fixation of the back cover 2 and the outer casing 1, and increase the overall strength of the vibration speaker of the present invention.
  • a positioning structure 1b is disposed in the recess 1a of the corner of the outer casing 1.
  • the outer casing 2 is provided with a positioning hole 2b corresponding to the positioning structure 1b.
  • the vibration speaker of the embodiment is disposed in the recess 1a.
  • the positioning holes 2b of the rear cover 2 are respectively disposed corresponding to the positioning structure 1b, and the positioning structure 1b of the embodiment is a heat-melting column, and the heat-melting column 1b is matched with the positioning hole 2b.
  • the heat fusion further improves the degree of bonding of the back cover 2 to the outer casing 1.
  • the eight hot-melt columns 1b are closely combined with the back cover after being melted, and the pressure of the back cover 2 is effectively dispersed, the deformation of the back cover 2 is prevented, and the impact resistance of the product is improved, thereby ensuring the vibration performance of the vibration speaker is not improved.
  • the vibration speaker of the present invention is destroyed.

Abstract

Disclosed is a vibration loudspeaker, comprising a housing, a back lid matching the housing, a vibration system and a magnetic circuit system in the housing, and a mass block fixed to the magnetic circuit system; a sound outlet is provided on the housing at the end away from the vibration system; the mass block is provided with a protrusion at the location corresponding to the sound outlet; the projection of the protrusion of the mass block on the plane in which the sound outlet is overlaps partially with the sound outlet. The vibration loudspeaker of the present invention increases the vibration contact area between the mass block and the airflow, thereby enhancing the vibration intensity of the vibration loudspeaker and improving the vibration performance of the vibration loudspeaker. The vibration loudspeaker of the present invention has good vibration performance.

Description

振动扬声器Vibration speaker 技术领域Technical field
本发明涉及电声产品技术领域,尤其涉及一种振动扬声器。The invention relates to the technical field of electroacoustic products, and in particular to a vibration speaker.
背景技术Background technique
振动扬声器是一种多功能声学器件,其除了实现普通扬声器的振动发声功能外,还具有振动马达的功能。振动扬声器可以节省便携式电子终端的内部空间,简化便携式电子终端的组装工艺,降低便携式电子终端的成本,所以振动扬声器在便携式电子终端领域得到了越来越广泛的应用。The vibration speaker is a multifunctional acoustic device that has the function of a vibration motor in addition to the vibration sounding function of the ordinary speaker. The vibration speaker can save the internal space of the portable electronic terminal, simplify the assembly process of the portable electronic terminal, and reduce the cost of the portable electronic terminal, so the vibration speaker is more and more widely used in the field of portable electronic terminals.
现有技术中振动扬声器的结构主要包括外壳,与所述外壳配合的后盖,后盖与外壳形成一个空腔,空腔内收容固定有振动系统和磁路系统,磁路系统与外壳之间的空腔位置设置有质量块。随着人们对便携式电子终端性能要求的提升,如何提高振动扬声器性能成为业界研究的重点。The structure of the vibration speaker in the prior art mainly comprises a casing, a rear cover that cooperates with the casing, the rear cover and the casing form a cavity, and the vibration system and the magnetic circuit system are accommodated in the cavity, and between the magnetic circuit system and the outer casing The cavity position is provided with a mass. With the improvement of the performance requirements of portable electronic terminals, how to improve the performance of vibrating speakers has become the focus of research in the industry.
发明内容Summary of the invention
本发明所要解决的技术问题是提供一种振动性能好的振动扬声器。The technical problem to be solved by the present invention is to provide a vibration speaker with good vibration performance.
为了实现上述目的,本发明采用以下技术方案:In order to achieve the above object, the present invention adopts the following technical solutions:
一种振动扬声器,包括外壳、与外壳配合的后盖、收容于所述外壳内的振动系统和磁路系统以及于所述磁路系统固定的质量块,并且:所述外壳远离所述振动系统的一端设置有出声孔,所述质量块对应所述出声孔设置有凸出部,所述质量块凸出部在所述出声孔平面的投影与所述出声孔有部分重叠。A vibration speaker includes a housing, a rear cover mated with the housing, a vibration system and a magnetic circuit system housed in the housing, and a mass fixed to the magnetic circuit system, and the housing is remote from the vibration system One end of the mass is provided with a sound hole, and the mass is provided with a protrusion corresponding to the sound hole, and a projection of the mass protrusion on the sound hole plane partially overlaps the sound hole.
作为一种优选的技术方案,所述外壳为方形结构,所述出声孔为 所述外壳与所述后盖配合形成,所述出声孔位于所述方形结构外壳的四个角部。As a preferred technical solution, the outer casing has a square structure, and the sound hole is The outer casing is formed in cooperation with the rear cover, and the sound emitting holes are located at four corners of the square structural outer casing.
作为进一步优选的技术方案,所述质量块凸出部为两条斜边与质量块本体构成的三角形结构。As a further preferred solution, the mass protrusion is a triangular structure formed by two oblique sides and a mass body.
作为更进一步优选的技术方案,所述出声孔形状为三角形;所述出声孔的三角形结构与所述质量块凸出部的三角形结构至少有一条边平行。As a further preferred technical solution, the sound hole shape is a triangle; the triangular structure of the sound hole is parallel to at least one side of the triangular structure of the mass protrusion.
作为以上方案的优选,所述方形结构外壳的四个角部设置有凹陷,所述后盖对应所述凹陷设置有台阶,所述后盖与所述外壳镶嵌配合固定。As a preferred aspect of the above solution, the four corner portions of the square structure outer casing are provided with a recess, the rear cover is provided with a step corresponding to the recess, and the rear cover is inlaid and fixed with the outer casing.
作为进一步优选的技术方案,所述外壳凹陷位置设置有定位结构,所述后盖对应所述定位结构设置有定位孔。As a further preferred technical solution, the housing recessed position is provided with a positioning structure, and the rear cover is provided with a positioning hole corresponding to the positioning structure.
作为更进一步优选的技术方案,所述外壳四个角部的凹陷内均设置有所述定位结构,所述外壳的每个角部的凹陷内设置有两个定位结构,所述外壳设置有8个所述定位结构;所述后盖对应设置有8个定位孔。As a further preferred technical solution, the positioning structure is disposed in the recesses of the four corners of the outer casing, and two positioning structures are disposed in the recess of each corner of the outer casing, and the outer casing is provided with 8 The positioning structure is provided; the back cover is correspondingly provided with 8 positioning holes.
作为再进一步优选的技术方案,所述定位结构为热熔柱。As a still further preferred technical solution, the positioning structure is a heat fusion column.
本发明振动扬声器,质量块对应振动扬声器后部的声孔设置有凸出部,该质量块凸出部在振动扬声器后部出声孔平面上的投影与出声孔有部分重叠,质量块凸出部在出声孔气体流通的线路上,可以增大质量块与气流振动的接触面积,从而增大振动扬声器的振动强度,有利于提高振动扬声器振动性能。在不影响振动扬声器发声指向性的前提下,凸出部与出声孔重叠的面积越大,振动扬声器振动性能越好。本发明振动扬声器具有振动性能好的优点。In the vibrating speaker of the present invention, the sound hole corresponding to the rear portion of the vibrating speaker is provided with a convex portion, and the projection of the mass protruding portion on the sound hole plane of the rear portion of the vibrating speaker partially overlaps with the sound emitting hole, and the mass is convex. On the line where the sound hole gas flows, the contact area of the mass block and the air flow vibration can be increased, thereby increasing the vibration strength of the vibration speaker, which is beneficial to improving the vibration performance of the vibration speaker. Under the premise of not affecting the directionality of the vibrating speaker, the larger the area where the protruding portion overlaps with the sounding hole, the better the vibration performance of the vibrating speaker. The vibration speaker of the invention has the advantage of good vibration performance.
附图说明DRAWINGS
图1为本发明具体实施方式振动扬声器立体图; 1 is a perspective view of a vibrating speaker according to a specific embodiment of the present invention;
图2为图1所示振动扬声器分解图;Figure 2 is an exploded view of the vibration speaker shown in Figure 1;
图3为图1所示振动扬声器剖视图;Figure 3 is a cross-sectional view of the vibration speaker shown in Figure 1;
图4为本实施例质量块与外壳、后盖配合结构示意图;4 is a schematic view showing the structure of the mass block, the outer casing and the back cover of the embodiment;
图5为本实施例质量块立体图;Figure 5 is a perspective view of the mass of the embodiment;
图6为图1所示振动扬声器Ⅰ部分放大图。Fig. 6 is an enlarged view of a portion of the vibration speaker 1 shown in Fig. 1.
具体实施方式detailed description
下面结合附图,详细说明本发明内容:The content of the present invention will be described in detail below with reference to the accompanying drawings:
如图1、图2及图3所示,本发明振动扬声器,包括外壳1,与外壳1一端固定配合的后盖2以及与外壳1另一端固定的前盖11,外壳1、后盖2以及前盖11配合形成收容固定振动系统和磁路系统的空腔。如图2、图3所示,振动系统包括振膜32,与振膜固定的补强部31和音圈33,音圈33和补强部31通过振膜32与外壳1固定;磁路系统包括一次固定结合的华司51、磁铁52及盆架53,磁铁52、华司51固定于盆架53内部并与盆架53的侧壁之间形成磁间隙,振动系统的音圈33悬设于所述磁间隙内。如图2及图3所示,本发明振动扬声器还包括支片41和质量块42,如图3所示,质量块42为环形结构,质量块42环设于盆架53外侧与盆架53固定设置;支片41包括设置于内部的第二固定部以及与外壳固定的第一固定部,支片41的第二固定部与盆架53固定,盆架53通过支片41悬设于外壳1内部。本发明振动扬声器工作时,音圈33内输入驱动电流,音圈33设置于磁间隙内,设置于磁场内的音圈33内的电流变化使音圈受到洛仑兹力,同时,悬设于外壳1内的磁路系统受到反作用力。当音圈33内输入低频信号时,磁路系统受到的反作用力与质量块产生共振,振动扬声器的震感明显,振动扬声器可起到振动功能;当音圈33内输入的较高频率的信号时,音圈33振动明显,带动振膜32振动发声,振动扬声器起到发声的作用。本发明振动扬声器,在扬声器的基础上添加了 振动功能,节省便携式电子终端的内部空间和组装工艺。As shown in FIG. 1 , FIG. 2 and FIG. 3 , the vibration speaker of the present invention comprises a casing 1 , a rear cover 2 fixedly engaged with one end of the casing 1 , and a front cover 11 fixed to the other end of the casing 1 , and a casing 1 and a rear cover 2 . The front cover 11 cooperates to form a cavity that houses the fixed vibration system and the magnetic circuit system. As shown in FIG. 2 and FIG. 3, the vibration system includes a diaphragm 32, a reinforcing portion 31 fixed to the diaphragm, and a voice coil 33. The voice coil 33 and the reinforcing portion 31 are fixed to the outer casing 1 through the diaphragm 32; the magnetic circuit system includes The fixed coupling of the washer 51, the magnet 52 and the basin frame 53, the magnet 52 and the washer 51 are fixed inside the basin frame 53 and form a magnetic gap between the side wall of the basin frame 53, and the voice coil 33 of the vibration system is suspended from Within the magnetic gap. As shown in FIG. 2 and FIG. 3, the vibrating speaker of the present invention further includes a supporting piece 41 and a mass 42. As shown in FIG. 3, the mass 42 is an annular structure, and the mass 42 is disposed outside the basin frame 53 and the basin frame 53. The fixing piece; the supporting piece 41 includes a second fixing portion disposed inside and a first fixing portion fixed to the outer casing, the second fixing portion of the supporting piece 41 is fixed to the basin frame 53, and the basin frame 53 is suspended from the outer casing by the supporting piece 41 1 internal. When the vibration speaker of the present invention is operated, a drive current is input into the voice coil 33, and the voice coil 33 is disposed in the magnetic gap. The current change in the voice coil 33 disposed in the magnetic field causes the voice coil to be subjected to Lorentz force, and is suspended from the voice coil. The magnetic circuit system within the outer casing 1 is subjected to a reaction force. When the low frequency signal is input in the voice coil 33, the reaction force received by the magnetic circuit system resonates with the mass, the vibration of the vibrating speaker is obvious, and the vibrating speaker can perform the vibration function; when the higher frequency signal is input in the voice coil 33 The voice coil 33 vibrates obviously, and the diaphragm 32 vibrates and sounds, and the vibrating speaker plays the role of sounding. The vibration speaker of the invention is added on the basis of the speaker The vibration function saves the internal space and assembly process of the portable electronic terminal.
如图4所示,本实施例的振动扬声器,外壳1为方形结构,方形结构的外壳1的四个角部设有出声孔6,出声孔6实际上是由外壳1和后盖2配合形成的透气孔,振动系统振动时,气流沿出声孔6流通。如图4及图5所示,质量块42对应出声孔6设置有凸出部,凸出部在出声孔6所在平面上的投影与出声孔有部分重叠。质量块42对应出声孔6设置有凸出部,可以增加质量块42与振动气流的接触面积,也即增大质量块与出声孔6的振动接触面积,有利于增大振动扬声器的振动强度,有利于提高振动扬声器的振动性能。As shown in FIG. 4, in the vibrating speaker of the present embodiment, the outer casing 1 has a square structure, and the four corners of the outer casing 1 of the square structure are provided with sound holes 6, and the sound emitting holes 6 are actually composed of the outer casing 1 and the rear cover 2. In cooperation with the formed vent hole, when the vibration system vibrates, the airflow circulates along the sound hole 6. As shown in FIG. 4 and FIG. 5, the mass 42 is provided with a convex portion corresponding to the sound hole 6, and the projection of the protruding portion on the plane of the sound hole 6 partially overlaps with the sound hole. The mass 42 is provided with a protrusion corresponding to the sound hole 6, which can increase the contact area of the mass 42 with the vibrating airflow, that is, increase the vibration contact area of the mass and the sound hole 6, which is beneficial to increase the vibration of the vibrating speaker. The strength is beneficial to improve the vibration performance of the vibrating speaker.
如图4及图5所示,本实施例的振动扬声器,出声孔6设置于四个角部,质量块42上的凸出部也对应设置有四个部分,质量块42上的凸出部由斜边42a和斜边42b构成,斜边42a、斜边42b与质量块42本体构成三角形结构。如图4所示,出声孔6也为三角形结构,三角形的出声孔6与质量块42的三角形凸出部至少有一条边平行,在不影响振动扬声器发声指向性的前提下,可以最大限度地提高质量块与出声孔的振动接触面积,从而最大限度地提高振动扬声器的振动性能。As shown in FIG. 4 and FIG. 5, in the vibrating speaker of the embodiment, the sound emitting holes 6 are disposed at the four corners, and the protruding portions on the mass 42 are correspondingly provided with four portions, and the convex portions on the mass 42 are protruded. The portion is composed of a beveled edge 42a and a beveled edge 42b, and the beveled edge 42a, the beveled edge 42b and the mass 42 are formed into a triangular structure. As shown in FIG. 4, the sound hole 6 is also a triangular structure, and the triangular sound hole 6 and the triangular protrusion of the mass 42 have at least one side parallel, which can be maximized without affecting the sound directivity of the vibration speaker. Limit the vibration contact area between the mass and the sound hole to maximize the vibration performance of the vibrating speaker.
为了提高振动扬声器的可靠性,避免因壳体强度低而限制的振动扬声器振动性能,如图1及图6所示,本发明振动扬声器,外壳1为方形结构,后盖2对应为方形,外壳1的四个角部设置有凹陷1a,后盖2对应凹陷1a设置有台阶2a,也即方形的后盖2的四条轴边的两端均设置有台阶2a,后盖2与外壳1通过凹陷1a与台阶2a镶嵌固定。本结构的振动扬声器,可以有效提高后盖2与外壳1固定的牢固程度,增加本发明振动扬声器的整体强度。In order to improve the reliability of the vibrating speaker and avoid the vibration performance of the vibrating speaker which is limited due to the low strength of the housing, as shown in FIG. 1 and FIG. 6, the vibrating speaker of the present invention has a square structure of the outer casing 1, and the rear cover 2 has a square shape and a casing. The four corners of 1 are provided with a recess 1a, and the rear cover 2 is provided with a step 2a corresponding to the recess 1a, that is, both ends of the four axial sides of the square rear cover 2 are provided with a step 2a, and the rear cover 2 and the outer casing 1 pass through the recess 1a is fixed inlaid with the step 2a. The vibration speaker of the structure can effectively improve the degree of fixation of the back cover 2 and the outer casing 1, and increase the overall strength of the vibration speaker of the present invention.
作为一种优选的方案,如图6所示,外壳1角部的凹陷1a内设置有定位结构1b,外壳2对应定位结构1b设置有定位孔2b,本实施例的振动扬声器,凹陷1a内设置有两个定位结构1b,定位结构1b 分别设置于方形外壳1的四条轴边的两端,后盖2上的定位孔2b对应定位结构1b设置,本实施例的定位结构1b为热熔柱,热熔柱1b与定位孔2b配合后热熔,进一步提高后盖2与外壳1结合的牢固程度。并且,8个热熔柱1b热熔后与后盖紧密结合,还有效分散了后盖2受到的压力,防止后盖2变形,提高产品的抗冲击能力,从而保证振动扬声器的振动性能提升不会破坏本发明振动扬声器。As a preferred solution, as shown in FIG. 6, a positioning structure 1b is disposed in the recess 1a of the corner of the outer casing 1. The outer casing 2 is provided with a positioning hole 2b corresponding to the positioning structure 1b. The vibration speaker of the embodiment is disposed in the recess 1a. There are two positioning structures 1b, positioning structure 1b The positioning holes 2b of the rear cover 2 are respectively disposed corresponding to the positioning structure 1b, and the positioning structure 1b of the embodiment is a heat-melting column, and the heat-melting column 1b is matched with the positioning hole 2b. The heat fusion further improves the degree of bonding of the back cover 2 to the outer casing 1. Moreover, the eight hot-melt columns 1b are closely combined with the back cover after being melted, and the pressure of the back cover 2 is effectively dispersed, the deformation of the back cover 2 is prevented, and the impact resistance of the product is improved, thereby ensuring the vibration performance of the vibration speaker is not improved. The vibration speaker of the present invention is destroyed.
以上仅为本发明实施案例而已,并不用于限制本发明,但凡本领域普通技术人员根据本发明所揭示内容所作的等效修饰或变化,皆应纳入权利要求书中记载的保护范围内。 The above is only the embodiment of the present invention, and is not intended to limit the present invention, and equivalent modifications or variations made by those skilled in the art in light of the present invention are included in the scope of the claims.

Claims (8)

  1. 一种振动扬声器,包括外壳、与外壳配合的后盖、收容于所述外壳内的振动系统和磁路系统以及于所述磁路系统固定的质量块,其特征在于:所述外壳远离所述振动系统的一端设置有出声孔,所述质量块对应所述出声孔设置有凸出部,所述质量块凸出部在所述出声孔平面的投影与所述出声孔有部分重叠。A vibrating speaker includes an outer casing, a rear cover mated with the outer casing, a vibration system and a magnetic circuit system housed in the outer casing, and a mass fixed to the magnetic circuit system, wherein the outer casing is away from the One end of the vibration system is provided with a sound hole, and the mass is provided with a protrusion corresponding to the sound hole, and a projection of the mass protrusion on the sound hole plane and a part of the sound hole are overlapping.
  2. 根据权利要求1所述的振动扬声器,其特征在于:所述外壳为方形结构,所述出声孔为所述外壳与所述后盖配合形成,所述出声孔位于所述方形结构外壳的四个角部。The vibrating speaker according to claim 1, wherein the outer casing has a square structure, and the sound emitting hole is formed by the outer casing and the rear cover, and the sound emitting hole is located in the square structural outer casing. Four corners.
  3. 根据权利要求2所述的振动扬声器,其特征在于:所述质量块凸出部为两条斜边与质量块本体构成的三角形结构。The vibration speaker according to claim 2, wherein the mass projection is a triangular structure in which two oblique sides and a mass body are formed.
  4. 根据权利要求3所述的振动扬声器,其特征在于:所述出声孔形状为三角形;所述出声孔的三角形结构与所述质量块凸出部的三角形结构至少有一条边平行。The vibration speaker according to claim 3, wherein the sound hole has a triangular shape; and the triangular structure of the sound hole is parallel to at least one side of the triangular structure of the mass projection.
  5. 根据权利要求2至4任一权利要求所述的振动扬声器,其特征在于:所述方形结构外壳的四个角部设置有凹陷,所述后盖对应所述凹陷设置有台阶,所述后盖与所述外壳镶嵌配合固定。The vibration speaker according to any one of claims 2 to 4, wherein the four corner portions of the square structure outer casing are provided with a recess, and the rear cover is provided with a step corresponding to the recess, the rear cover It is fixed with the shell inlay.
  6. 根据权利要求5所述的振动扬声器,其特征在于:所述外壳凹陷位置设置有定位结构,所述后盖对应所述定位结构设置有定位孔。The vibrating speaker according to claim 5, wherein the housing recessed position is provided with a positioning structure, and the rear cover is provided with a positioning hole corresponding to the positioning structure.
  7. 根据权利要求6所述的振动扬声器,其特征在于:所述外壳四个角部的凹陷内均设置有所述定位结构,所述外壳的每个角部的凹陷内设置有两个定位结构,所述外壳设置有8个所述定位结构;所述后盖对应设置有8个定位孔。The vibrating speaker according to claim 6, wherein the positioning structure is disposed in the recesses of the four corners of the outer casing, and two positioning structures are disposed in the recess of each corner of the outer casing. The outer casing is provided with eight positioning structures; the rear cover is correspondingly provided with eight positioning holes.
  8. 根据权利要求6或7所述的振动扬声器,其特征在于:所述定位结构为热熔柱。 The vibration speaker according to claim 6 or 7, wherein the positioning structure is a heat fusion column.
PCT/CN2015/094541 2015-05-13 2015-11-13 Vibration loudspeaker WO2016179990A1 (en)

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