WO2020258212A1 - Speaker case - Google Patents
Speaker case Download PDFInfo
- Publication number
- WO2020258212A1 WO2020258212A1 PCT/CN2019/093546 CN2019093546W WO2020258212A1 WO 2020258212 A1 WO2020258212 A1 WO 2020258212A1 CN 2019093546 W CN2019093546 W CN 2019093546W WO 2020258212 A1 WO2020258212 A1 WO 2020258212A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- side wall
- circuit board
- flexible circuit
- cover
- housing
- Prior art date
Links
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 239000006260 foam Substances 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 13
- 229920000742 Cotton Polymers 0.000 claims description 30
- 239000012790 adhesive layer Substances 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
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
- H04R1/20—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 technical field of electro-acoustic conversion, in particular to a speaker box.
- the related art speaker box includes a casing, a sound emitting device housed in the casing, a PFC and a cover sound emitting device housed in the casing, and a cover of the FPC.
- ultrasonic welding and sealing are generally used to seal the cover and the housing.
- the housing and the cover are both disconnected at the FPC outlet position to form a notch.
- the gap between the FPC and the notch of the cover needs to be sealed with glue.
- this method has slow operation efficiency, poor appearance, and takes up a lot of space.
- the purpose of the present invention is to provide a loudspeaker box, which does not need to be glued and sealed at the exit position of the FPC, has high sealing operation efficiency, good appearance effect, and small space occupation.
- a speaker box comprising a housing, a cover enclosing the housing to form an accommodating space, a sound emitting device accommodated in the accommodating space, and a part of the accommodating space
- the speaker box further includes filling the first notch portion and sandwiched between the cover body and The elastic cotton block between the flexible circuit boards
- the elastic cotton block includes a first sealing part attached to the flexible circuit board and a second sealing part extending from both ends of the first sealing part, the The first sealing part is sandwiched and fixed between the cover body and the flexible circuit board, and the second sealing part is sandwiched and fixed between the casing and the cover body.
- the cover includes a bottom wall disposed opposite to the housing and a side wall bent and extended from the edge of the bottom wall toward the housing, and the side wall includes a fixed connection with the housing.
- a first side wall and a second side wall fixedly connected to the second sealing portion, a first welding rib is extended on the first side wall, a second welding rib is extended on the second side wall, the The housing and the cover are fixedly connected by the first welding rib, and the second sealing portion and the second side wall are sealed and fixed by the second welding rib.
- the side wall includes a third side wall, the third side wall and the second side wall jointly form a first notch portion, and the first sealing portion is sandwiched and fixed to the flexible circuit board And the third side wall.
- the second side wall bends and extends from the edge of the first side wall along the second sealing portion.
- the second sealing portion is welded and fixed to the first welding rib.
- the elastic cotton block includes a first adhesive layer fixedly connected to the flexible circuit board and a foam fixed on the first adhesive layer away from the surface of the flexible circuit board.
- the elastic cotton block further includes a second adhesive layer superimposed on the surface of the foam away from the first adhesive layer.
- the elastic cotton block is an easily compressible foam glue.
- the first sealing portion includes a clamping portion sandwiched between the third side wall and the flexible circuit board, and a transition portion connecting the clamping portion and the second sealing portion , The transition part is sandwiched between the flexible circuit board and the second side wall.
- the elastic cotton block is embedded in the gap between the flexible circuit board and the first gap, and the first sealing part is clamped and fixed between the cover and the flexible circuit board, and the second sealing part clamps It is fixed between the casing and the cover. Since the elastic cotton block has certain deformation characteristics, a good sealing effect can be achieved by the elastic cotton block clamped between the cover and the housing.
- FIG. 1 is a schematic diagram of a three-dimensional structure of a speaker box provided by Embodiment 1 of the present invention
- Fig. 2 is a schematic diagram of an exploded structure of the speaker box shown in Fig. 1;
- Fig. 3 is a schematic cross-sectional view of the speaker box shown in Fig. 1 along the line a-a;
- Fig. 4 is an enlarged view of area A of the speaker box shown in Fig. 3;
- FIG. 5 is a schematic diagram of the three-dimensional structure of the cover of the speaker box shown in FIG. 1;
- Fig. 6 is an enlarged view of area B of the cover shown in Fig. 5;
- Fig. 7 is a three-dimensional schematic diagram of the elastic cotton block of the speaker box shown in Fig. 1;
- FIG. 8 is a schematic diagram of a three-dimensional structure of a loudspeaker box provided by Embodiment 2 of the present invention.
- Fig. 9 is a schematic cross-sectional view of the speaker box shown in Fig. 8 along the line b-b;
- Fig. 10 is an enlarged view of area C of the speaker box shown in Fig. 8;
- Fig. 11 is a three-dimensional schematic diagram of the elastic cotton block of the speaker box shown in Fig. 8.
- a speaker box provided by this embodiment, which includes a housing 1, a cover that surrounds the housing 1 to form a receiving space 2, a sound generating device 3 received in the receiving space, The flexible circuit board 4 and the elastic cotton block 5 partially housed in the accommodating space.
- the cover 2 and the housing 1 are covered to form a first notch corresponding to the flexible circuit board 4, and the elastic cotton block 5 fills the first notch and is sandwiched between the cover 2 and the flexible circuit board 4. between.
- the elastic cotton block 5 includes a first sealing portion 51 attached to the flexible circuit board 4 and a second sealing portion 52 extending from both ends of the first sealing portion 51.
- the first sealing portion 51 is sandwiched and fixed between the cover 2 and the flexible circuit board 4, and the second sealing portion 52 is sandwiched and fixed between the housing 1 and the cover 2.
- the cover 2 includes a bottom wall disposed opposite to the casing 1 and side walls bent and extended from the edge of the bottom wall toward the casing 1.
- the side wall includes a first side wall 21 fixedly connected to the housing 1, a second side wall 22 and a third side wall 23 fixedly connected to the second sealing portion 52.
- a first welding rib 211 extends on the first side wall 21 of the cover 2, and a second welding rib 221 extends on the second side wall 22.
- the housing 1 and the cover 2 are fixedly connected by the first welding rib 211, and the second sealing portion 52 and the second side wall 22 are sealed and fixed by the second welding rib 221.
- the third side wall 23 and the second side wall 22 jointly form a first notch portion, and the first sealing portion 51 is sandwiched and fixed between the flexible circuit board 4 and the third side wall 23.
- the first sealing portion 51 includes a clamping portion 511 sandwiched between the third side wall 23 and the flexible circuit board 4, and a transition connecting the clamping portion 511 and the second sealing portion 52
- the transition portion 512 is sandwiched between the flexible circuit board 4 and the second side wall 22.
- the second side wall 22 is bent and extends from the edge of the first side wall 21 along the second sealing portion 52. After the cover 2 is ultrasonically welded, the second sealing portion 52 is welded and fixed to the first welding rib 211.
- the elastic cotton block 5 is an easily compressible foam glue. Based on the layer structure of the elastic cotton block 5, the elastic cotton block 5 includes a first adhesive layer 53 fixedly connected to the flexible circuit board 4 and a foam 54 fixed to the first adhesive layer 53 away from the surface of the flexible circuit board 4.
- the elastic cotton block 5 is embedded in the gap between the flexible circuit board 4 and the first gap, and the first sealing portion 51 is sandwiched and fixed between the cover and the flexible circuit. Between the plates 4, the second sealing portion 52 is sandwiched and fixed between the housing 1 and the cover 2. Since the elastic cotton block 5 has certain deformation characteristics, the elastic cotton block 5 sandwiched between the cover 2 and the housing 1 can achieve a good sealing effect.
- the sealing method of this embodiment there is no need to dispense glue by glue, which improves labor efficiency, saves glue dispensing space, and improves the appearance of the exit position of the flexible circuit board 4.
- the elastic cotton block 5 also includes a second adhesive layer 55 stacked on the surface of the foam away from the first adhesive layer 53. That is, the elastic cotton block 5 of this embodiment is a double-sided tape.
- the first adhesive layer 53 is located at the bottom of the elastic cotton block 5, and the second adhesive layer 55 is located at the top of the elastic cotton block 5.
- the two ends of the second adhesive layer 55 of the elastic cotton block 5 are bonded to the housing 1, and the middle position of the second adhesive layer 55 is bonded to the top of the flexible circuit board 4.
- the middle position of the second adhesive layer 55 is bonded to the top wall of the first notch, and both ends of the second adhesive layer 55 are welded to the second side wall 22 of the cover 2.
- this embodiment uses elastic cotton blocks 5 with adhesive layers on the bottom and top respectively for sealing, which has a better sealing effect and optimizes the sealing effect and yield.
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Provided in the present invention is a speaker case, said speaker case comprising a housing, a sound generation component, a flexible circuit board, a cover, and an elastic foam block. The cover covers the housing so as to form a first gap part corresponding to the flexible circuit board. The elastic foam block comprises a first sealing part and a second sealing part, the first sealing part being fixedly sandwiched between the cover and the flexible circuit board, and the second sealing part being fixedly sandwiched between the housing and the cover. The elastic foam block of the present invention has a certain deformation characteristic, and thus by means of the elastic foam block, which is clamped between the cover and the housing, an excellent sealing effect can be achieved. Using the sealing mode of the present invention, there is no need to rely on glue dotting, and labor efficiency is improved. In addition, glue dotting space is spared, improving the appearance of an outlet position of the flexible circuit board.
Description
本发明涉及电声转化技术领域，尤其涉及一种扬声器箱。The invention relates to the technical field of electro-acoustic conversion, in particular to a speaker box.
目前的智能设备，特别是手机等移动终端，功能极其多样，其中之一便是高品质的音乐功能，因此，用于播放声音的扬声器箱被大量应用到现在的智能移动设备之中。Current smart devices, especially mobile terminals such as mobile phones, have extremely diverse functions. One of them is high-quality music functions. Therefore, speaker boxes for playing sound are widely used in current smart mobile devices.
相关技术的扬声器箱包括壳体、收容于壳体内的发声器件、收容于壳体内的PFC以及盖罩发声器件以及FPC的盖体。The related art speaker box includes a casing, a sound emitting device housed in the casing, a PFC and a cover sound emitting device housed in the casing, and a cover of the FPC.
当前一般采用超声焊接密封将盖体与壳体密封，同时，为了便于FPC伸出，壳体及盖体在FPC出口位置均断开形成槽口。将盖体与壳体密封时FPC与盖体槽口之间的间隙需要采用胶水点胶密封。然而，此方式操作效率慢，外观效果差，占用空间大。At present, ultrasonic welding and sealing are generally used to seal the cover and the housing. At the same time, in order to facilitate the FPC to extend, the housing and the cover are both disconnected at the FPC outlet position to form a notch. When sealing the cover and the shell, the gap between the FPC and the notch of the cover needs to be sealed with glue. However, this method has slow operation efficiency, poor appearance, and takes up a lot of space.
因此，有必要提供一种不需要外部打胶进行密封的扬声器箱。Therefore, it is necessary to provide a speaker box that does not require external glue for sealing.
本发明的目的在于提供一种扬声器箱，其在FPC的出口位置不需要点胶密封，密封操作效率高，并且外观效果好，占用空间小。The purpose of the present invention is to provide a loudspeaker box, which does not need to be glued and sealed at the exit position of the FPC, has high sealing operation efficiency, good appearance effect, and small space occupation.
本发明的技术方案如下：一种扬声器箱，包括壳体、与所述壳体围设成收容空间的盖体、收容于所述收容空间内的发声器件以及部分收容于所述收容空间内的柔性电路板，所述盖体与所述壳体盖合形成对应所述柔性电路板的第一缺口部，所述扬声器箱还包括填充所述第一缺口部并夹设于所述盖体与所述柔性电路板之间的弹性棉块，所述弹性棉块包括贴设于所述柔性电路板的第一密封部以及自所述第一密封部两端延伸的第二密封部，所述第一密封部夹设固定于所述盖体与所述柔性电路板之间，所述第二密封部夹设固定于所述壳体与所述盖体之间。The technical solution of the present invention is as follows: a speaker box, comprising a housing, a cover enclosing the housing to form an accommodating space, a sound emitting device accommodated in the accommodating space, and a part of the accommodating space A flexible circuit board, the cover body and the housing cover to form a first notch portion corresponding to the flexible circuit board, the speaker box further includes filling the first notch portion and sandwiched between the cover body and The elastic cotton block between the flexible circuit boards, the elastic cotton block includes a first sealing part attached to the flexible circuit board and a second sealing part extending from both ends of the first sealing part, the The first sealing part is sandwiched and fixed between the cover body and the flexible circuit board, and the second sealing part is sandwiched and fixed between the casing and the cover body.
进一步的，所述盖体包括与所述壳体相对设置的底壁以及自所述底壁边缘朝向所述壳体弯折延伸的侧壁，所述侧壁包括与所述壳体固定连接的第一侧壁以及与所述第二密封部固定连接的第二侧壁，所述第一侧壁上延伸有第一焊接筋，所述第二侧壁上延伸有第二焊接筋，所述壳体与所述盖体通过所述第一焊接筋固定连接，所述第二密封部与所述第二侧壁通过所述第二焊接筋密封固定。Further, the cover includes a bottom wall disposed opposite to the housing and a side wall bent and extended from the edge of the bottom wall toward the housing, and the side wall includes a fixed connection with the housing. A first side wall and a second side wall fixedly connected to the second sealing portion, a first welding rib is extended on the first side wall, a second welding rib is extended on the second side wall, the The housing and the cover are fixedly connected by the first welding rib, and the second sealing portion and the second side wall are sealed and fixed by the second welding rib.
进一步的，所述侧壁包括第三侧壁，所述所述第三侧壁与所述第二侧壁共同形成第一缺口部，所述第一密封部夹设固定于所述柔性电路板与所述第三侧壁之间。Further, the side wall includes a third side wall, the third side wall and the second side wall jointly form a first notch portion, and the first sealing portion is sandwiched and fixed to the flexible circuit board And the third side wall.
进一步的，所述第二侧壁自所述第一侧壁边缘沿所述第二密封部弯折延伸。Further, the second side wall bends and extends from the edge of the first side wall along the second sealing portion.
进一步的，当盖体经超声波焊接后，所述第二密封部与所述第一焊接筋熔接固定。Further, after the cover body is ultrasonically welded, the second sealing portion is welded and fixed to the first welding rib.
进一步的，所述弹性棉块包括与所述柔性电路板固定连接的第一粘性层以及固定于所述第一粘性层远离所述柔性电路板表面的泡棉。Further, the elastic cotton block includes a first adhesive layer fixedly connected to the flexible circuit board and a foam fixed on the first adhesive layer away from the surface of the flexible circuit board.
进一步的，所述弹性棉块还包括叠设于所述泡棉远离所述第一粘性层表面的第二粘性层。Further, the elastic cotton block further includes a second adhesive layer superimposed on the surface of the foam away from the first adhesive layer.
进一步的，所述弹性棉块为易压缩的泡棉胶。Further, the elastic cotton block is an easily compressible foam glue.
进一步的，所述第一密封部包括夹设于所述第三侧壁与所述柔性电路板之间的夹紧部以及连接所述夹紧部与所述第二密封部之间的过渡部，所述过渡部夹设于所述柔性电路板与所述第二侧壁之间。Further, the first sealing portion includes a clamping portion sandwiched between the third side wall and the flexible circuit board, and a transition portion connecting the clamping portion and the second sealing portion , The transition part is sandwiched between the flexible circuit board and the second side wall.
本发明的扬声器箱，其弹性棉块嵌置于柔性电路板与第一缺口之间的缝隙内，并且，第一密封部夹设固定于盖体与柔性电路板之间，第二密封部夹设固定于壳体与所述盖体之间。由于弹性棉块具有一定的形变特征，所以通过盖体与壳体夹住的弹性棉块能实现很好的密封效果。采用本发明的密封方式，无需靠胶水点胶，提高了人工效率，并且能节省点胶空间，改善柔性电路板出口位置的外观。In the speaker box of the present invention, the elastic cotton block is embedded in the gap between the flexible circuit board and the first gap, and the first sealing part is clamped and fixed between the cover and the flexible circuit board, and the second sealing part clamps It is fixed between the casing and the cover. Since the elastic cotton block has certain deformation characteristics, a good sealing effect can be achieved by the elastic cotton block clamped between the cover and the housing. By adopting the sealing method of the present invention, there is no need to dispense glue by glue, which improves labor efficiency, saves glue dispensing space, and improves the appearance of the outlet position of the flexible circuit board.
图1为本发明实施例一提供的一种扬声器箱的立体结构示意图；FIG. 1 is a schematic diagram of a three-dimensional structure of a speaker box provided by Embodiment 1 of the present invention;
图2为图1所示扬声器箱的分解结构示意图；Fig. 2 is a schematic diagram of an exploded structure of the speaker box shown in Fig. 1;
图3为图1所示扬声器箱沿a-a剖线的剖视示意图；Fig. 3 is a schematic cross-sectional view of the speaker box shown in Fig. 1 along the line a-a;
图4为图3所示扬声器箱A区域的放大图；Fig. 4 is an enlarged view of area A of the speaker box shown in Fig. 3;
图5为图1所示扬声器箱的盖体的立体结构示意图；5 is a schematic diagram of the three-dimensional structure of the cover of the speaker box shown in FIG. 1;
图6为图5所示盖体B区域的放大图；Fig. 6 is an enlarged view of area B of the cover shown in Fig. 5;
图7为图1所示扬声器箱的弹性棉块的立体结构示意图；Fig. 7 is a three-dimensional schematic diagram of the elastic cotton block of the speaker box shown in Fig. 1;
图8为本发明实施例二提供的一种扬声器箱的立体结构示意图；8 is a schematic diagram of a three-dimensional structure of a loudspeaker box provided by Embodiment 2 of the present invention;
图9为图8所示扬声器箱沿b-b剖线的剖视示意图；Fig. 9 is a schematic cross-sectional view of the speaker box shown in Fig. 8 along the line b-b;
图10为图8所示扬声器箱C区域的放大图；Fig. 10 is an enlarged view of area C of the speaker box shown in Fig. 8;
图11为图8所示扬声器箱的弹性棉块的立体结构示意图。Fig. 11 is a three-dimensional schematic diagram of the elastic cotton block of the speaker box shown in Fig. 8.
下面结合附图和实施方式对本发明作进一步说明。The present invention will be further described below with reference to the drawings and embodiments.
实施例一：Example one:
请参见图1至图4，示出了本实施例提供的一种扬声器箱，包括壳体1、与壳体1围设成收容空间的盖体2、收容于收容空间内的发声器件3、部分收容于收容空间内的柔性电路板4以及弹性棉块5。1 to 4, there is shown a speaker box provided by this embodiment, which includes a housing 1, a cover that surrounds the housing 1 to form a receiving space 2, a sound generating device 3 received in the receiving space, The flexible circuit board 4 and the elastic cotton block 5 partially housed in the accommodating space.
所述盖体2与壳体1盖合形成对应柔性电路板4的第一缺口部，弹性棉块5填充所述第一缺口部，并夹设于所述盖体2与柔性电路板4之间。The cover 2 and the housing 1 are covered to form a first notch corresponding to the flexible circuit board 4, and the elastic cotton block 5 fills the first notch and is sandwiched between the cover 2 and the flexible circuit board 4. between.
请参见图5，弹性棉块5包括贴设于柔性电路板4的第一密封部51以及自第一密封部51两端延伸的第二密封部52。第一密封部51夹设固定于盖体2与所述柔性电路板4之间，第二密封部52夹设固定于壳体1与所述盖体2之间。Referring to FIG. 5, the elastic cotton block 5 includes a first sealing portion 51 attached to the flexible circuit board 4 and a second sealing portion 52 extending from both ends of the first sealing portion 51. The first sealing portion 51 is sandwiched and fixed between the cover 2 and the flexible circuit board 4, and the second sealing portion 52 is sandwiched and fixed between the housing 1 and the cover 2.
请参见图6及图7，盖体2包括与壳体1相对设置的底壁以及自底壁边缘朝向壳体1弯折延伸的侧壁。侧壁包括与壳体1固定连接的第一侧壁21、与第二密封部52固定连接的第二侧壁22以及第三侧壁23。Referring to FIGS. 6 and 7, the cover 2 includes a bottom wall disposed opposite to the casing 1 and side walls bent and extended from the edge of the bottom wall toward the casing 1. The side wall includes a first side wall 21 fixedly connected to the housing 1, a second side wall 22 and a third side wall 23 fixedly connected to the second sealing portion 52.
盖体2的第一侧壁21上延伸有第一焊接筋211，第二侧壁22上延伸有第二焊接筋221。壳体1与盖体2通过所述第一焊接筋211固定连接，第二密封部52与第二侧壁22通过第二焊接筋221密封固定。第三侧壁23与所述第二侧壁22共同形成第一缺口部，第一密封部51夹设固定于柔性电路板4与第三侧壁23之间。A first welding rib 211 extends on the first side wall 21 of the cover 2, and a second welding rib 221 extends on the second side wall 22. The housing 1 and the cover 2 are fixedly connected by the first welding rib 211, and the second sealing portion 52 and the second side wall 22 are sealed and fixed by the second welding rib 221. The third side wall 23 and the second side wall 22 jointly form a first notch portion, and the first sealing portion 51 is sandwiched and fixed between the flexible circuit board 4 and the third side wall 23.
第一密封部51包括夹设于所述第三侧壁23与所述柔性电路板4之间的夹紧部511以及连接所述夹紧部511与所述第二密封部52之间的过渡部512，所述过渡部512夹设于所述柔性电路板4与所述第二侧壁22之间。The first sealing portion 51 includes a clamping portion 511 sandwiched between the third side wall 23 and the flexible circuit board 4, and a transition connecting the clamping portion 511 and the second sealing portion 52 The transition portion 512 is sandwiched between the flexible circuit board 4 and the second side wall 22.
第二侧壁22自所述第一侧壁21边缘沿所述第二密封部52弯折延伸。当盖体2经超声波焊接后，所述第二密封部52与第一焊接筋211熔接固定。The second side wall 22 is bent and extends from the edge of the first side wall 21 along the second sealing portion 52. After the cover 2 is ultrasonically welded, the second sealing portion 52 is welded and fixed to the first welding rib 211.
于本实施例中，弹性棉块5为易压缩的泡棉胶。基于弹性棉块5的层结构，该弹性棉块5包括与柔性电路板4固定连接的第一粘性层53以及固定于所述第一粘性层53远离柔性电路板4表面的泡棉54。In this embodiment, the elastic cotton block 5 is an easily compressible foam glue. Based on the layer structure of the elastic cotton block 5, the elastic cotton block 5 includes a first adhesive layer 53 fixedly connected to the flexible circuit board 4 and a foam 54 fixed to the first adhesive layer 53 away from the surface of the flexible circuit board 4.
综上所述，本实施例的扬声器箱，其弹性棉块5嵌置于柔性电路板4与第一缺口之间的缝隙内，并且，第一密封部51夹设固定于盖体与柔性电路板4之间，第二密封部52夹设固定于壳体1与所述盖体2之间。由于弹性棉块5具有一定的形变特征，所以通过盖体2与壳体1夹住的弹性棉块5能实现很好的密封效果。采用本实施例的密封方式，无需靠胶水点胶，提高了人工效率，并且能节省点胶空间，改善柔性电路板4出口位置的外观。In summary, in the speaker box of this embodiment, the elastic cotton block 5 is embedded in the gap between the flexible circuit board 4 and the first gap, and the first sealing portion 51 is sandwiched and fixed between the cover and the flexible circuit. Between the plates 4, the second sealing portion 52 is sandwiched and fixed between the housing 1 and the cover 2. Since the elastic cotton block 5 has certain deformation characteristics, the elastic cotton block 5 sandwiched between the cover 2 and the housing 1 can achieve a good sealing effect. By adopting the sealing method of this embodiment, there is no need to dispense glue by glue, which improves labor efficiency, saves glue dispensing space, and improves the appearance of the exit position of the flexible circuit board 4.
实施例二：Embodiment two:
请参见图8至图11，示出了本发明的实施例二，本实施例与实施例一相比，不同之处在于：Please refer to Figures 8 to 11, which show the second embodiment of the present invention. Compared with the first embodiment, this embodiment differs in:
弹性棉块5还包括叠设于泡棉远离第一粘性层53表面的第二粘性层55。即是，本实施例的弹性棉块5为一块双面胶。The elastic cotton block 5 also includes a second adhesive layer 55 stacked on the surface of the foam away from the first adhesive layer 53. That is, the elastic cotton block 5 of this embodiment is a double-sided tape.
于本实施例中，第一粘性层53位于弹性棉块5的底部，第二粘性层55位于弹性棉块5的顶部。弹性棉块5的第二粘性层55的两端与壳体1粘接，第二粘性层55的中间位置与柔性电路板4的顶部粘接。第二粘性层55的中间位置与第一缺口部的顶壁粘接，第二粘性层55的两端与盖体2的第二侧壁22熔接在一起。In this embodiment, the first adhesive layer 53 is located at the bottom of the elastic cotton block 5, and the second adhesive layer 55 is located at the top of the elastic cotton block 5. The two ends of the second adhesive layer 55 of the elastic cotton block 5 are bonded to the housing 1, and the middle position of the second adhesive layer 55 is bonded to the top of the flexible circuit board 4. The middle position of the second adhesive layer 55 is bonded to the top wall of the first notch, and both ends of the second adhesive layer 55 are welded to the second side wall 22 of the cover 2.
与实施例一相比，本实施例采用底部及顶部分别设有粘性层的弹性棉块5进行密封，密封效果更好，优化了密封效果以及良率。Compared with Embodiment 1, this embodiment uses elastic cotton blocks 5 with adhesive layers on the bottom and top respectively for sealing, which has a better sealing effect and optimizes the sealing effect and yield.
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。The above are only the embodiments of the present invention. It should be pointed out here that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present invention, but these all belong to the present invention. The scope of protection.
Claims (9)
- 一种扬声器箱，包括壳体、与所述壳体围设成收容空间的盖体、收容于所述收容空间内的发声器件以及部分收容于所述收容空间内的柔性电路板，其特征在于，所述盖体与所述壳体盖合形成对应所述柔性电路板的第一缺口部，所述扬声器箱还包括填充所述第一缺口部并夹设于所述盖体与所述柔性电路板之间的弹性棉块，所述弹性棉块包括贴设于所述柔性电路板的第一密封部以及自所述第一密封部两端延伸的第二密封部，所述第一密封部夹设固定于所述盖体与所述柔性电路板之间，所述第二密封部夹设固定于所述壳体与所述盖体之间。 A loudspeaker box, comprising a housing, a cover enclosing the housing to form an accommodating space, a sound emitting device accommodated in the accommodating space, and a flexible circuit board partially accommodated in the accommodating space, characterized in that , The cover body and the housing cover together to form a first notch corresponding to the flexible circuit board, and the speaker box further includes filling the first notch and sandwiching the cover and the flexible circuit board. The elastic cotton block between the circuit boards, the elastic cotton block includes a first sealing part attached to the flexible circuit board and a second sealing part extending from both ends of the first sealing part, the first sealing part The second sealing part is clamped and fixed between the cover body and the flexible circuit board, and the second sealing part is clamped and fixed between the casing and the cover body.
- 根据权利要求1所述的扬声器箱，其特征在于：所述盖体包括与所述壳体相对设置的底壁以及自所述底壁边缘朝向所述壳体弯折延伸的侧壁，所述侧壁包括与所述壳体固定连接的第一侧壁以及与所述第二密封部固定连接的第二侧壁，所述第一侧壁上延伸有第一焊接筋，所述第二侧壁上延伸有第二焊接筋，所述壳体与所述盖体通过所述第一焊接筋固定连接，所述第二密封部与所述第二侧壁通过所述第二焊接筋密封固定。 The speaker box according to claim 1, wherein the cover includes a bottom wall disposed opposite to the housing and a side wall bent and extended from the edge of the bottom wall toward the housing, the The side wall includes a first side wall fixedly connected to the housing and a second side wall fixedly connected to the second sealing portion, a first welding rib extends on the first side wall, and the second side A second welding rib extends on the wall, the housing and the cover are fixedly connected by the first welding rib, and the second sealing portion and the second side wall are sealed and fixed by the second welding rib .
- 根据权利要求2所述的扬声器箱，其特征在于：所述侧壁包括第三侧壁，所述所述第三侧壁与所述第二侧壁共同形成第一缺口部，所述第一密封部夹设固定于所述柔性电路板与所述第三侧壁之间。 The speaker box according to claim 2, wherein the side wall comprises a third side wall, and the third side wall and the second side wall together form a first notch, and the first The sealing part is sandwiched and fixed between the flexible circuit board and the third side wall.
- 根据权利要求3所述的扬声器箱，其特征在于:所述第二侧壁自所述第一侧壁边缘沿所述第二密封部弯折延伸。 4. The speaker box according to claim 3, wherein the second side wall is bent and extends from the edge of the first side wall along the second sealing portion.
- 根据权利要求2所述的扬声器箱，其特征在于：当盖体经超声波焊接后，所述第二密封部与所述第一焊接筋熔接固定。 3. The speaker box according to claim 2, wherein after the cover is ultrasonically welded, the second sealing portion is welded and fixed with the first welding rib.
- 根据权利要求3所述的扬声器箱，其特征在于：所述弹性棉块包括与所述柔性电路板固定连接的第一粘性层以及固定于所述第一粘性层远离所述柔性电路板表面的泡棉。 The speaker box according to claim 3, wherein the elastic cotton block includes a first adhesive layer fixedly connected to the flexible circuit board and a first adhesive layer fixed to the first adhesive layer away from the surface of the flexible circuit board. Foam.
- 根据权利要求6所述的扬声器箱，其特征在于：所述弹性棉块还包括叠设于所述泡棉远离所述第一粘性层表面的第二粘性层。 7. The speaker box according to claim 6, wherein the elastic cotton block further comprises a second adhesive layer superimposed on the surface of the foam away from the first adhesive layer.
- 根据权利要求6所述的扬声器箱，其特征在于：所述弹性棉块为易压缩的泡棉胶。 The speaker box according to claim 6, wherein the elastic cotton block is an easily compressible foam glue.
- 根据权利要求3所述的扬声器箱，其特征在于：所述第一密封部包括夹设于所述第三侧壁与所述柔性电路板之间的夹紧部以及连接所述夹紧部与所述第二密封部之间的过渡部，所述过渡部夹设于所述柔性电路板与所述第二侧壁之间。 The speaker box according to claim 3, wherein the first sealing portion includes a clamping portion sandwiched between the third side wall and the flexible circuit board, and connecting the clamping portion and The transition portion between the second sealing portions, the transition portion is sandwiched between the flexible circuit board and the second side wall.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/093546 WO2020258212A1 (en) | 2019-06-28 | 2019-06-28 | Speaker case |
| CN201910581632.4A CN110572743B (en) | 2019-06-28 | 2019-06-30 | Loudspeaker box |
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2019/093546 WO2020258212A1 (en) | 2019-06-28 | 2019-06-28 | Speaker case |
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| WO2020258212A1 true WO2020258212A1 (en) | 2020-12-30 |
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| PCT/CN2019/093546 WO2020258212A1 (en) | 2019-06-28 | 2019-06-28 | Speaker case |
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| WO (1) | WO2020258212A1 (en) |
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| CN213906834U (en) * | 2020-11-30 | 2021-08-06 | 瑞声光电科技(常州)有限公司 | Loudspeaker box |
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| WO2018000757A1 (en) * | 2016-06-29 | 2018-01-04 | 歌尔股份有限公司 | Speaker, and speaker module |
| CN207354610U (en) * | 2017-10-09 | 2018-05-11 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108882124A (en) * | 2018-06-29 | 2018-11-23 | 维沃移动通信有限公司 | A kind of electronic equipment |
| CN208638530U (en) * | 2018-08-13 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
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| US7756284B2 (en) * | 2006-01-30 | 2010-07-13 | Songbird Hearing, Inc. | Hearing aid circuit with integrated switch and battery |
| CN104284260B (en) * | 2013-07-01 | 2018-07-06 | 联想(北京)有限公司 | Seal audio cavity and its manufacturing method, electronic equipment |
| CN104486710A (en) * | 2014-12-25 | 2015-04-01 | 上海创功通讯技术有限公司 | Loudspeaker and mobile terminal comprising same |
| CN106911976B (en) * | 2017-03-01 | 2023-12-22 | 歌尔股份有限公司 | Sound production device module |
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2019
- 2019-06-28 WO PCT/CN2019/093546 patent/WO2020258212A1/en active Application Filing
- 2019-06-30 CN CN201910581632.4A patent/CN110572743B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000757A1 (en) * | 2016-06-29 | 2018-01-04 | 歌尔股份有限公司 | Speaker, and speaker module |
| CN207354610U (en) * | 2017-10-09 | 2018-05-11 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108882124A (en) * | 2018-06-29 | 2018-11-23 | 维沃移动通信有限公司 | A kind of electronic equipment |
| CN208638530U (en) * | 2018-08-13 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
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