WO2022007172A1 - Sound generating device - Google Patents

Sound generating device Download PDF

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Publication number
WO2022007172A1
WO2022007172A1 PCT/CN2020/114033 CN2020114033W WO2022007172A1 WO 2022007172 A1 WO2022007172 A1 WO 2022007172A1 CN 2020114033 W CN2020114033 W CN 2020114033W WO 2022007172 A1 WO2022007172 A1 WO 2022007172A1
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WO
WIPO (PCT)
Prior art keywords
front cover
basin frame
sound
generating device
extension wall
Prior art date
Application number
PCT/CN2020/114033
Other languages
French (fr)
Chinese (zh)
Inventor
曹成铭
王磊
张凡
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)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, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2022007172A1 publication Critical patent/WO2022007172A1/en

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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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • 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 sound and electricity, in particular to a sound producing device.
  • the related art sound-generating device includes a basin frame, a vibrating membrane supported and fixed on the basin frame, and a front cover covering the vibrating membrane and forming a sound-emitting front cavity together with the vibrating membrane.
  • the sound-out hole on the device connects the sound-emitting pre-cavity with the outside world.
  • the purpose of the utility model is to provide a sound device with better reliability.
  • the present invention provides a sound-generating device, which comprises a basin frame, a vibrating membrane supported and fixed on the basin frame, and a vibrating membrane covered on the vibrating membrane and forming a sounding front cavity together with the vibrating membrane.
  • a front cover the front cover is provided with a sound outlet hole passing through it, the sound outlet hole communicates the sound-emitting front cavity with the outside world, and the front cover is provided with an extension wall extending in the direction of the basin frame, so
  • the basin frame is provided with a notch which is recessed inwardly from the outer peripheral side of the basin frame to form a notch matched with the extension wall, and the extension wall extends to the notch and forms a snap connection with the notch.
  • the orthographic projection of the extension wall to the basin frame along the vibration direction of the diaphragm completely falls within the range of the gap.
  • the front cover includes a front cover plate spaced from the diaphragm and a surrounding wall bent and extended from the periphery of the front cover plate toward the basin frame, and the sound outlet penetrates through the front cover plate.
  • a cover plate is provided, and one end of the surrounding wall away from the front cover plate is press-fitted on the vibrating film; the extension wall is formed by extending an end of the surrounding wall away from the front cover plate.
  • the extension walls include a plurality of and are spaced apart from each other.
  • the front cover has a rectangular structure, and the extending walls include four and are respectively arranged at four right angles of the front cover;
  • the basin frame has a rectangular structure, and the gaps include four and are respectively arranged at four corners of the front cover. the four right angles of the basin frame.
  • the basin frame is made of metal material
  • the front cover is made of metal material
  • the extension wall and the basin frame are fixed by spot welding.
  • the extending wall is in the shape of a right angle
  • the notch is in the shape of a right angle
  • the front cover is provided with an extension wall extending in the direction of the basin frame, and the basin frame is provided with an inward recess formed by the outer peripheral side of the basin frame and the said basin frame.
  • a notch matched with an extension wall the extension wall extends to the notch and forms a snap connection with the notch; that is, through this structural arrangement, the front cover and the basin frame are snap-fitted with the notch through the extension wall
  • Fig. 1 is the stereo structure schematic diagram of the sound-emitting device of the present invention
  • Fig. 2 is the three-dimensional structure exploded schematic diagram of the sound-emitting device of the present invention
  • FIG. 3 is a cross-sectional view of the sound-emitting device of the present invention.
  • the present invention provides a sound-generating device 100
  • the sound-generating device 100 includes a basin frame 1, a vibration system 2 respectively fixed to the basin frame 1, and a vibration system 2 that drives the vibration system 2 to vibrate and emit sound.
  • the magnetic circuit system 3 and the front cover 4, the magnetic circuit system 3 has a magnetic gap 30, and the basin frame 1 is a metal basin frame.
  • the pot frame 1 includes a first pot frame 11 for fixing the vibration system 2 and a second pot frame 12 stacked on the first pot frame 11 for fixing the magnetic circuit system 3.
  • the first pot frame 11 and the second pot frame 12 The basin frame 12 can also be an integral structure.
  • the vibration system 2 includes a diaphragm 21 supported and fixed on the basin frame 1 and used for vibrating and producing sound, a dome 22 , and a voice coil inserted in the magnetic gap 30 to drive the diaphragm 21 to vibrate 23.
  • the elastic conductive member 24 and the skeleton 25 are inserted in the magnetic gap 30 to drive the diaphragm 21 to vibrate 23.
  • the vibrating membrane 21 includes a vibrating portion 211 , a ring portion 212 extending from the periphery of the vibrating portion 211 and surrounding the vibrating portion 211 , and being bent by the side of the ring portion 212 away from the vibrating portion 211 . It extends and is fixed to the fixing portion 213 of the first basin frame 11 .
  • the dome 22 is attached to the side of the vibration part 211 close to the magnetic circuit system 3 .
  • the front cover 4 is covered on the diaphragm 21 and together with the diaphragm 21 to form a sounding front cavity 10 , the front cover 4 includes a front cover 42 spaced from the diaphragm 21 , and the front cover 42 is formed by the front cover 42 .
  • the peripheral edge of 42 is bent and extended toward the first basin frame 11 .
  • 42 is provided with a sound outlet 420 passing through it.
  • the sound outlet 420 can also be arranged through the surrounding wall 43 according to actual needs, as long as the sound outlet 420 is satisfied to connect the sounding front cavity 10 with the outside world, so that the diaphragm 21 Vibration sound can be transmitted to the outside world.
  • the front cover 4 is provided with an extension wall 41 extending in the direction of the first basin frame 11;
  • the structural arrangement of 41 is of course not limited to this.
  • the first pot frame 11 is provided with a notch 110 which is recessed inward from the outer peripheral side of the first pot frame 11 to form a matching with the extension wall 41 , and the extension wall 41 extends to the notch 110 and is connected with the extension wall 41 .
  • the notches 110 form a snap connection. That is to say, with this structure, the front cover 4 and the basin frame 1 are fixed by snap fit with the notch 110 through the extension wall 41 , the process flow is simpler, the fixing effect is better, and the reliability of the sound-emitting device 100 is better. .
  • the basin frame 1 is made of a metal material
  • the front cover 4 is made of a metal material, that is, the extension wall 41 is made of a metal material
  • the basin frame 1 is made of a metal material, which can increase the strength of the sounding device 100 , the reliability is increased, but because the pot frame 1 is made of metal material, it causes the pot frame 1 to be unable to be used as a hot spot. Therefore, in this embodiment, the gap 110 structure is provided under the condition of ensuring the strength of the pot frame 1, so that the extension of the front cover 4
  • the wall 41 is fixed by its snap fit, the technological process is simpler, and the problem that the pot frame 1 made of metal material cannot be used as a hot spot post to form a fixation with the front cover 4 is overcome.
  • the extension wall 41 and the pot frame The notch 110 of 1 is fixed by spot welding.
  • the orthographic projection of the extension wall 41 to the basin frame 1 along the vibration direction of the diaphragm 21 completely falls within the range of the gap 110 , that is, this structural arrangement does not increase the volume of the sound-emitting device 100 . It is more reasonable and the space utilization rate is high.
  • the extension walls 41 include a plurality of and are arranged at intervals.
  • the front cover 4 has a rectangular structure, and the extension walls 41 include four and are respectively disposed at four right angles of the front cover 4 ;
  • the basin frame 1 has a rectangular structure, and the gap 110 includes four They are respectively arranged at the four right angles of the basin frame 1; that is, the extension walls 41 and the notches 110 are evenly arranged around the basin frame 1, and the distribution is more uniform.
  • the extension walls 41 are not limited to four, and correspondingly, the notches 110 are not limited to four.
  • the extension wall 41 is in the shape of a right angle
  • the notch 110 is in the shape of a right angle, that is, after the extension wall 41 and the notch 110 are snap-connected, the appearance and structure are consistent, which increases the aesthetic feeling.
  • the voice coil 23 is inserted in the magnetic gap 30 and has a racetrack shape.
  • the second connecting arm 243 is fixed to the second basin frame 12 away from the diaphragm. 21 side.
  • the skeleton 25 is sandwiched between the dome 22 and the voice coil 23 , and the skeleton 25 includes a skeleton main body 251 attached to the dome 22 .
  • the first extension wall 252 is bent and extended in the direction of the coil 23 .
  • the end of the first extension wall 252 away from the main body portion 251 of the frame is abutted and fixed to the voice coil 23 , that is, the voice coil 23 is fixed to the voice coil 23 through the frame 25 .
  • the voice coil 23 is suspended in the magnetic gap 30 through the skeleton 25, and the reliability is better.
  • the main body portion 251 of the skeleton is in the shape of a racetrack
  • the first extension wall 252 is annular
  • the skeleton 25 further includes two extension walls formed by bending and extending from opposite sides of the first extension wall 252 respectively.
  • the second extension wall 253 , and the first connecting arm 242 is fixed to the second extension wall 253 .
  • the magnetic circuit system 3 includes a magnetic bowl 31 and a magnetic steel component 32 fixed on the magnetic yoke 31.
  • the magnetic steel component 32 is spaced from the magnetic bowl 31 to form a magnetic gap 30, and the magnetic bowl 31 is fixed to the second connection.
  • the arm 243 that is, the magnetic bowl 31 is fixed on the second basin frame 12 through the second connecting arm 243 .
  • the front cover is provided with an extension wall extending in the direction of the basin frame, and the basin frame is provided with an inward recess formed by the outer peripheral side of the basin frame and the said basin frame.
  • a notch matched with an extension wall the extension wall extends to the notch and forms a snap connection with the notch; that is, through this structural arrangement, the front cover and the basin frame are snap-fitted with the notch through the extension wall
  • the present utility model provides an embodiment of the present utility model as described above, which is not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the contents of the specification and accompanying drawings of the present utility model, or Directly or indirectly used in other related technical fields, are all similarly included in the scope of patent protection of the present invention.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The present utility model provides a sound generating device, comprising a basket, a diaphragm supported by and fixed to the basket, and a front cover that covers the diaphragm and, together with the diaphragm, encloses and forms a front sound generating cavity. A sound exit hole penetrates the front cover. The sound exit hole communicates the front sound generating cavity and the external environment. The front cover is provided with an extension wall that extends toward the basket. The basket is provided with an indentation formed from the outer peripheral side of the basket recessing inward, said indentation matching the extension wall. The extension wall extends to the indentation and forms a snap-fit connection with the indentation. Compared to the prior art, the sound generating device of the present utility model is more reliable.

Description

发声器件sound device 技术领域technical field
本实用新型涉及声电领域，尤其涉及一种发声器件。The utility model relates to the field of sound and electricity, in particular to a sound producing device.
背景技术Background technique
随着互联网时代的到来，移动终端设备的数量不断上升。而在移动设备中，手机无疑是最常见且最便携的移动终端设备，用于播放音乐等声音的发声器件被大量的运用到手机等移动终端设备中。With the advent of the Internet era, the number of mobile terminal devices continues to rise. Among mobile devices, mobile phones are undoubtedly the most common and portable mobile terminal devices, and sound-emitting devices for playing music and other sounds are widely used in mobile terminal devices such as mobile phones.
相关技术发声器件包括盆架、支撑固定于所述盆架的振膜以及盖设于所述振膜并与所述振膜共同围成发声前腔的前盖，所述前盖设有贯穿其上的出声孔，所述出声孔将所述发声前腔与外界连通。The related art sound-generating device includes a basin frame, a vibrating membrane supported and fixed on the basin frame, and a front cover covering the vibrating membrane and forming a sound-emitting front cavity together with the vibrating membrane. The sound-out hole on the device connects the sound-emitting pre-cavity with the outside world.
技术问题technical problem
然而，相关技术中，前盖与盆架的固定效果不好，可靠性较差。However, in the related art, the fixing effect of the front cover and the basin frame is not good, and the reliability is poor.
因此，有必要提供一种新的发声器件解决上述问题。Therefore, it is necessary to provide a new sound-generating device to solve the above problems.
技术解决方案technical solutions
本实用新型的目的在于提供一种可靠性更好的发声器件。The purpose of the utility model is to provide a sound device with better reliability.
为达到上述目的，本实用新型提供一种发声器件，其包括盆架、支撑固定于所述盆架的振膜以及盖设于所述振膜并与所述振膜共同围成发声前腔的前盖，所述前盖设有贯穿其上的出声孔，所述出声孔将所述发声前腔与外界连通，所述前盖设有向所述盆架方向延伸的延伸壁，所述盆架设有由所述盆架的外周侧向内凹陷形成与所述延伸壁匹配的缺口，所述延伸壁延伸至所述缺口并与所述缺口形成卡扣连接。In order to achieve the above purpose, the present invention provides a sound-generating device, which comprises a basin frame, a vibrating membrane supported and fixed on the basin frame, and a vibrating membrane covered on the vibrating membrane and forming a sounding front cavity together with the vibrating membrane. A front cover, the front cover is provided with a sound outlet hole passing through it, the sound outlet hole communicates the sound-emitting front cavity with the outside world, and the front cover is provided with an extension wall extending in the direction of the basin frame, so The basin frame is provided with a notch which is recessed inwardly from the outer peripheral side of the basin frame to form a notch matched with the extension wall, and the extension wall extends to the notch and forms a snap connection with the notch.
优选的，所述延伸壁沿所述振膜的振动方向向所述盆架的正投影完全落入所述缺口范围内。Preferably, the orthographic projection of the extension wall to the basin frame along the vibration direction of the diaphragm completely falls within the range of the gap.
优选的，所述前盖包括与所述振膜间隔设置的前盖板以及由所述前盖板的周缘向所述盆架方向弯折延伸的围壁，所述出声孔贯穿所述前盖板设置，所述围壁远离所述前盖板的一端压设于所述振膜；所述延伸壁由所述围壁远离所述前盖板的一端延伸形成。Preferably, the front cover includes a front cover plate spaced from the diaphragm and a surrounding wall bent and extended from the periphery of the front cover plate toward the basin frame, and the sound outlet penetrates through the front cover plate. A cover plate is provided, and one end of the surrounding wall away from the front cover plate is press-fitted on the vibrating film; the extension wall is formed by extending an end of the surrounding wall away from the front cover plate.
优选的，所述延伸壁包括多个且相互间隔设置。Preferably, the extension walls include a plurality of and are spaced apart from each other.
优选的，所述前盖呈矩形结构，所述延伸壁包括四个且分别设置于所述前盖的四个直角处；所述盆架呈矩形结构，所述缺口包括四个且分别设置于所述盆架的四个直角处。Preferably, the front cover has a rectangular structure, and the extending walls include four and are respectively arranged at four right angles of the front cover; the basin frame has a rectangular structure, and the gaps include four and are respectively arranged at four corners of the front cover. the four right angles of the basin frame.
优选的，所述盆架为金属材料制成，所述前盖为金属材料制成，所述延伸壁与所述盆架通过点焊固定。Preferably, the basin frame is made of metal material, the front cover is made of metal material, and the extension wall and the basin frame are fixed by spot welding.
优选的，所述延伸壁呈直角状，所述缺口呈直角状。Preferably, the extending wall is in the shape of a right angle, and the notch is in the shape of a right angle.
有益效果beneficial effect
与相关技术相比，本实用新型的发声器件，所述前盖设有向所述盆架方向延伸的延伸壁，所述盆架设有由所述盆架的外周侧向内凹陷形成与所述延伸壁匹配的缺口，所述延伸壁延伸至所述缺口并与所述缺口形成卡扣连接；即通过此种结构设置，所述前盖和所述盆架通过延伸壁与缺口进行卡扣配合形成固定连接，工艺流程更加简单，固定效果更好，发声器件的可靠性更好。Compared with the related art, in the sound-emitting device of the present invention, the front cover is provided with an extension wall extending in the direction of the basin frame, and the basin frame is provided with an inward recess formed by the outer peripheral side of the basin frame and the said basin frame. A notch matched with an extension wall, the extension wall extends to the notch and forms a snap connection with the notch; that is, through this structural arrangement, the front cover and the basin frame are snap-fitted with the notch through the extension wall To form a fixed connection, the process flow is simpler, the fixing effect is better, and the reliability of the sound-emitting device is better.
附图说明Description of drawings
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：In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, under the premise of no creative work, other drawings can also be obtained from these drawings, wherein:
图1为本实用新型发声器件的立体结构示意图Fig. 1 is the stereo structure schematic diagram of the sound-emitting device of the present invention
图2为本实用新型发声器件的立体结构分解示意图；Fig. 2 is the three-dimensional structure exploded schematic diagram of the sound-emitting device of the present invention;
图3为本实用新型发声器件的剖视图。FIG. 3 is a cross-sectional view of the sound-emitting device of the present invention.
本发明的实施方式Embodiments of the present invention
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。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, but not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
请参考图1-3所示，本实用新型提供一种发声器件100，该发声器件100包括盆架1、分别固定于所述盆架1的振动***2和驱动所述振动***2振动发声的磁路***3、前盖4，所述磁路***3具有磁间隙30，盆架1为金属盆架。1-3, the present invention provides a sound-generating device 100, the sound-generating device 100 includes a basin frame 1, a vibration system 2 respectively fixed to the basin frame 1, and a vibration system 2 that drives the vibration system 2 to vibrate and emit sound. The magnetic circuit system 3 and the front cover 4, the magnetic circuit system 3 has a magnetic gap 30, and the basin frame 1 is a metal basin frame.
盆架1包括用于固定振动***2的第一盆架11以及叠设于第一盆架11之上用于固定磁路***3的第二盆架12，当然第一盆架11和第二盆架12也可以为一体结构。The pot frame 1 includes a first pot frame 11 for fixing the vibration system 2 and a second pot frame 12 stacked on the first pot frame 11 for fixing the magnetic circuit system 3. Of course, the first pot frame 11 and the second pot frame 12 The basin frame 12 can also be an integral structure.
具体的，所述振动***2包括支撑固定于所述盆架1且用于振动发声的振膜21、球顶22、插设于所述磁间隙30以驱动所述振膜21振动的音圈23、弹性导电件24以及骨架25。Specifically, the vibration system 2 includes a diaphragm 21 supported and fixed on the basin frame 1 and used for vibrating and producing sound, a dome 22 , and a voice coil inserted in the magnetic gap 30 to drive the diaphragm 21 to vibrate 23. The elastic conductive member 24 and the skeleton 25.
所述振膜21包括振动部211、由所述振动部211的周缘延伸并环绕所述振动部211的折环部212、由所述折环部212远离所述振动部211的一侧弯折延伸并固定于所述第一盆架11的固定部213。球顶22贴设于所述振动部211靠近磁路***3的一侧。The vibrating membrane 21 includes a vibrating portion 211 , a ring portion 212 extending from the periphery of the vibrating portion 211 and surrounding the vibrating portion 211 , and being bent by the side of the ring portion 212 away from the vibrating portion 211 . It extends and is fixed to the fixing portion 213 of the first basin frame 11 . The dome 22 is attached to the side of the vibration part 211 close to the magnetic circuit system 3 .
前盖4盖设于所述振膜21并与所述振膜21共同围成发声前腔10，前盖4包括与所述振膜21间隔设置的前盖板42以及由所述前盖板42的周缘向所述第一盆架11方向弯折延伸的围壁43，所述围壁43远离所述前盖板42的一端压设于所述振膜21的固定部213，前盖板42设有贯穿其上的出声孔420，当然出声孔420也可以根据实际所需贯穿围壁43设置，只要满足出声孔420将所述发声前腔10与外界连通，使得振膜21振动发声能传递至外界即可。The front cover 4 is covered on the diaphragm 21 and together with the diaphragm 21 to form a sounding front cavity 10 , the front cover 4 includes a front cover 42 spaced from the diaphragm 21 , and the front cover 42 is formed by the front cover 42 . The peripheral edge of 42 is bent and extended toward the first basin frame 11 . 42 is provided with a sound outlet 420 passing through it. Of course, the sound outlet 420 can also be arranged through the surrounding wall 43 according to actual needs, as long as the sound outlet 420 is satisfied to connect the sounding front cavity 10 with the outside world, so that the diaphragm 21 Vibration sound can be transmitted to the outside world.
所述前盖4设有向所述第一盆架11方向延伸的延伸壁41；具体的，所述延伸壁41由所述围壁43远离所述前盖板42的一端延伸形成，延伸壁41的结构设置当然不限于此。所述第一盆架11设有由所述第一盆架11的外周侧向内凹陷形成与所述延伸壁41匹配的缺口110，所述延伸壁41延伸至所述缺口110并与所述缺口110形成卡扣连接。即通过此种结构设置，所述前盖4和所述盆架1通过延伸壁41与缺口110进行卡扣配合形成固定，工艺流程更加简单，固定效果更好，发声器件100的可靠性更好。The front cover 4 is provided with an extension wall 41 extending in the direction of the first basin frame 11; The structural arrangement of 41 is of course not limited to this. The first pot frame 11 is provided with a notch 110 which is recessed inward from the outer peripheral side of the first pot frame 11 to form a matching with the extension wall 41 , and the extension wall 41 extends to the notch 110 and is connected with the extension wall 41 . The notches 110 form a snap connection. That is to say, with this structure, the front cover 4 and the basin frame 1 are fixed by snap fit with the notch 110 through the extension wall 41 , the process flow is simpler, the fixing effect is better, and the reliability of the sound-emitting device 100 is better. .
具体的，所述盆架1为金属材料制成，所述前盖4为金属材料制成，即所述延伸壁41为金属材料制成，盆架1为金属材料可以增加发声器件100的强度，可靠性增加，但由于盆架1为金属材料制成，其导致盆架1无法做烫点柱，因此本实施例保证盆架1的强度情况下设置缺口110结构，使前盖4的延伸壁41与其卡扣配合形成固定，工艺流程更加简单，克服了其金属材料制成的盆架1无法做烫点柱以与前盖4形成固定的问题，所述延伸壁41与所述盆架1的缺口110处通过点焊固定。Specifically, the basin frame 1 is made of a metal material, the front cover 4 is made of a metal material, that is, the extension wall 41 is made of a metal material, and the basin frame 1 is made of a metal material, which can increase the strength of the sounding device 100 , the reliability is increased, but because the pot frame 1 is made of metal material, it causes the pot frame 1 to be unable to be used as a hot spot. Therefore, in this embodiment, the gap 110 structure is provided under the condition of ensuring the strength of the pot frame 1, so that the extension of the front cover 4 The wall 41 is fixed by its snap fit, the technological process is simpler, and the problem that the pot frame 1 made of metal material cannot be used as a hot spot post to form a fixation with the front cover 4 is overcome. The extension wall 41 and the pot frame The notch 110 of 1 is fixed by spot welding.
优选的，所述延伸壁41沿所述振膜21的振动方向向所述盆架1的正投影完全落入所述缺口110范围内，即此结构设置未增加发声器件100的体积，结构安排更加合理，空间利用率高。Preferably, the orthographic projection of the extension wall 41 to the basin frame 1 along the vibration direction of the diaphragm 21 completely falls within the range of the gap 110 , that is, this structural arrangement does not increase the volume of the sound-emitting device 100 . It is more reasonable and the space utilization rate is high.
本实施例中，所述延伸壁41包括多个且相互间隔设置。具体的，所述前盖4呈矩形结构，所述延伸壁41包括四个且分别设置于所述前盖4的四个直角处；所述盆架1呈矩形结构，所述缺口110包括四个且分别设置于所述盆架1的四个直角处；即延伸壁41与缺口110均匀的设置在盆架1的四周，分布更加均匀。当然延伸壁41不限于四个，对应的，缺口110也不限于四个。此时，所述延伸壁41呈直角状，所述缺口110呈直角状，即延伸壁41与缺口110卡扣连接后其外观结构一致，增加美感。In this embodiment, the extension walls 41 include a plurality of and are arranged at intervals. Specifically, the front cover 4 has a rectangular structure, and the extension walls 41 include four and are respectively disposed at four right angles of the front cover 4 ; the basin frame 1 has a rectangular structure, and the gap 110 includes four They are respectively arranged at the four right angles of the basin frame 1; that is, the extension walls 41 and the notches 110 are evenly arranged around the basin frame 1, and the distribution is more uniform. Of course, the extension walls 41 are not limited to four, and correspondingly, the notches 110 are not limited to four. At this time, the extension wall 41 is in the shape of a right angle, and the notch 110 is in the shape of a right angle, that is, after the extension wall 41 and the notch 110 are snap-connected, the appearance and structure are consistent, which increases the aesthetic feeling.
所述音圈23插设于所述磁间隙30内且呈跑道形。The voice coil 23 is inserted in the magnetic gap 30 and has a racetrack shape.
弹性导电件24包括两个，且分别设置于所述音圈23的相对两侧且与所述音圈23电连接。其包括弹臂241、由所述弹臂241的相对两侧延伸形成的第一连接臂242和第二连接臂243，所述第二连接臂243固定于所述第二盆架12远离振膜21的一侧。There are two elastic conductive members 24 , which are respectively disposed on opposite sides of the voice coil 23 and are electrically connected to the voice coil 23 . It includes an elastic arm 241, a first connecting arm 242 and a second connecting arm 243 formed by extending from opposite sides of the elastic arm 241. The second connecting arm 243 is fixed to the second basin frame 12 away from the diaphragm. 21 side.
骨架25夹设于所述球顶22和所述音圈23之间，所述骨架25包括贴设于所述球顶22的骨架主体部251、由所述骨架主体部251向靠近所述音圈23方向弯折延伸的第一延伸壁252，所述第一延伸壁252远离所述骨架主体部251的一端抵接固定于所述音圈23，即所述音圈23通过骨架25固定至球顶22，通过骨架25将音圈23悬置在磁间隙30内，可靠性更好。The skeleton 25 is sandwiched between the dome 22 and the voice coil 23 , and the skeleton 25 includes a skeleton main body 251 attached to the dome 22 . The first extension wall 252 is bent and extended in the direction of the coil 23 . The end of the first extension wall 252 away from the main body portion 251 of the frame is abutted and fixed to the voice coil 23 , that is, the voice coil 23 is fixed to the voice coil 23 through the frame 25 . For the dome 22, the voice coil 23 is suspended in the magnetic gap 30 through the skeleton 25, and the reliability is better.
具体的，所述骨架主体部251呈跑道形，所述第一延伸壁252呈环状，所述骨架25还包括由所述第一延伸壁252的相对两侧分别弯折延伸形成的两个第二延伸壁253，第一连接臂242固定于所述第二延伸壁253。Specifically, the main body portion 251 of the skeleton is in the shape of a racetrack, the first extension wall 252 is annular, and the skeleton 25 further includes two extension walls formed by bending and extending from opposite sides of the first extension wall 252 respectively. The second extension wall 253 , and the first connecting arm 242 is fixed to the second extension wall 253 .
所述磁路***3包括磁碗31、固定设置于所述磁轭31上的磁钢组件32，磁钢组件32与磁碗31间隔形成磁间隙30，所述磁碗31固定于第二连接臂243，即所述磁碗31通过第二连接臂243固定于第二盆架12上。The magnetic circuit system 3 includes a magnetic bowl 31 and a magnetic steel component 32 fixed on the magnetic yoke 31. The magnetic steel component 32 is spaced from the magnetic bowl 31 to form a magnetic gap 30, and the magnetic bowl 31 is fixed to the second connection. The arm 243 , that is, the magnetic bowl 31 is fixed on the second basin frame 12 through the second connecting arm 243 .
与相关技术相比，本实用新型的发声器件，所述前盖设有向所述盆架方向延伸的延伸壁，所述盆架设有由所述盆架的外周侧向内凹陷形成与所述延伸壁匹配的缺口，所述延伸壁延伸至所述缺口并与所述缺口形成卡扣连接；即通过此种结构设置，所述前盖和所述盆架通过延伸壁与缺口进行卡扣配合形成固定连接，工艺流程更加简单，固定效果更好，发声器件的可靠性更好。Compared with the related art, in the sound-emitting device of the present invention, the front cover is provided with an extension wall extending in the direction of the basin frame, and the basin frame is provided with an inward recess formed by the outer peripheral side of the basin frame and the said basin frame. A notch matched with an extension wall, the extension wall extends to the notch and forms a snap connection with the notch; that is, through this structural arrangement, the front cover and the basin frame are snap-fitted with the notch through the extension wall To form a fixed connection, the process flow is simpler, the fixing effect is better, and the reliability of the sound-emitting device is better.
本实用新型提供一种以上所述仅为本实用新型的实施例，并非因此限制本实用新型的专利范围，凡是利用本实用新型说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其它相关的技术领域，均同理包括在本实用新型的专利保护范围内。The present utility model provides an embodiment of the present utility model as described above, which is not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the contents of the specification and accompanying drawings of the present utility model, or Directly or indirectly used in other related technical fields, are all similarly included in the scope of patent protection of the present invention.

Claims (7)

  1. 一种发声器件，其包括盆架、支撑固定于所述盆架的振膜以及盖设于所述振膜并与所述振膜共同围成发声前腔的前盖，所述前盖设有贯穿其上的出声孔，所述出声孔将所述发声前腔与外界连通，其特征在于，所述前盖设有向所述盆架方向延伸的延伸壁，所述盆架设有由所述盆架的外周侧向内凹陷形成与所述延伸壁匹配的缺口，所述延伸壁延伸至所述缺口并与所述缺口形成卡扣连接。A sounding device includes a basin frame, a vibrating membrane supported and fixed on the basin frame, and a front cover that covers the vibrating membrane and forms a sounding front cavity together with the vibrating membrane, the front cover is provided with Through the sound outlet hole on it, the sound outlet hole communicates the sounding front cavity with the outside world. It is characterized in that the front cover is provided with an extension wall extending in the direction of the basin frame, and the basin frame is provided with a The outer peripheral side of the basin frame is recessed inward to form a notch matched with the extension wall, and the extension wall extends to the notch and forms a snap connection with the notch.
  2. 根据权利要求1中所述的发声器件，其特征在于，所述延伸壁沿所述振膜的振动方向向所述盆架的正投影完全落入所述缺口范围内。The sound-generating device according to claim 1, wherein the orthographic projection of the extending wall to the basin frame along the vibration direction of the diaphragm completely falls within the range of the gap.
  3. 根据权利要求1中所述的发声器件，其特征在于，所述前盖包括与所述振膜间隔设置的前盖板以及由所述前盖板的周缘向所述盆架方向弯折延伸的围壁，所述出声孔贯穿所述前盖板设置，所述围壁远离所述前盖板的一端压设于所述振膜；所述延伸壁由所述围壁远离所述前盖板的一端延伸形成。The sound-generating device according to claim 1, wherein the front cover comprises a front cover plate spaced from the diaphragm, and a front cover plate bent and extended from the periphery of the front cover plate toward the basin frame. an enclosure wall, the sound outlet is arranged through the front cover plate, and the end of the enclosure wall away from the front cover plate is press-fitted on the diaphragm; the extension wall is separated from the front cover by the enclosure wall One end of the plate is formed to extend.
  4. 根据权利要求1中所述的发声器件，其特征在于，所述延伸壁包括多个且相互间隔设置。The sound-generating device according to claim 1, wherein the extending walls comprise a plurality of and are spaced apart from each other.
  5. 根据权利要求4中所述的发声器件，其特征在于，所述前盖呈矩形结构，所述延伸壁包括四个且分别设置于所述前盖的四个直角处；所述盆架呈矩形结构，所述缺口包括四个且分别设置于所述盆架的四个直角处。The sound-generating device according to claim 4, wherein the front cover has a rectangular structure, the extension walls include four and are respectively disposed at four right angles of the front cover; the basin frame is rectangular structure, the gaps include four and are respectively arranged at four right angles of the basin frame.
  6. 根据权利要求1中所述的发声器件，其特征在于，所述盆架为金属材料制成，所述前盖为金属材料制成，所述延伸壁与所述盆架通过点焊固定。The sound-generating device according to claim 1, wherein the basin frame is made of a metal material, the front cover is made of a metal material, and the extension wall and the basin frame are fixed by spot welding.
  7. 根据权利要求5中所述的发声器件，其特征在于，所述延伸壁呈直角状，所述缺口呈直角状。The sound-generating device according to claim 5, wherein the extending wall is in a right-angle shape, and the notch is in a right-angle shape.
PCT/CN2020/114033 2020-07-06 2020-09-08 Sound generating device WO2022007172A1 (en)

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CN206596221U (en) * 2017-03-21 2017-10-27 歌尔科技有限公司 Minitype acoustic generator
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