WO2021134401A1 - 扬声器箱 - Google Patents

扬声器箱 Download PDF

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Publication number
WO2021134401A1
WO2021134401A1 PCT/CN2019/130333 CN2019130333W WO2021134401A1 WO 2021134401 A1 WO2021134401 A1 WO 2021134401A1 CN 2019130333 W CN2019130333 W CN 2019130333W WO 2021134401 A1 WO2021134401 A1 WO 2021134401A1
Authority
WO
WIPO (PCT)
Prior art keywords
wall
upper cover
speaker box
sealing layer
diaphragm
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2019/130333
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English (en)
French (fr)
Inventor
王程良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Holdings Shenzhen Co Ltd
AAC Technologies Pte Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Technologies Pte Ltd
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 AAC Acoustic Technologies Shenzhen Co Ltd, AAC Technologies Pte Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Priority to PCT/CN2019/130333 priority Critical patent/WO2021134401A1/zh
Publication of WO2021134401A1 publication Critical patent/WO2021134401A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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 electro-acoustic conversion, in particular to a speaker box applied to portable electronic products.
  • the speaker box of the related art includes an upper cover, a lower cover that encloses an accommodation space together with the upper cover, a sounding unit accommodated in the accommodation space, a sound guide channel formed in the accommodation space, and a
  • the upper cover body extends in the direction of the lower cover in a ring-shaped support wall, the support wall is provided with a receiving step formed away from the sounding monomer, the sounding monomer is received in the receiving step to Fixedly supported on the support wall, the sound emitting monomer and the upper cover are spaced apart to form a front sound cavity, the front sound cavity is communicated with the sound guide channel through the through hole, and the sound guide channel connects the front sound The sound cavity communicates with the outside world.
  • the supporting wall is provided with the receiving step, so that the step surface of the receiving step fixed to the sound emitting unit is wider, thereby causing the supporting wall and the upper cover body to be wider.
  • the space between them is small, so that the height of the front cavity and the sound guide channel is limited, and the narrowest height is only 0.47mm, which affects the smooth airflow.
  • the side surface of the receiving step and the sound-producing monomer are fixed by glue, and the glue used for fixing needs to be complete in one circle of the receiving step, which requires high length and width of the speaker box.
  • glue The gap is at least 0.70 mm or more, so that the front cavity space is limited and the reliability is not high.
  • the purpose of the utility model is to provide a loudspeaker box with large front acoustic cavity space, excellent acoustic performance and high reliability.
  • the present invention provides a speaker box, which includes an upper cover, a lower cover covering the upper cover and jointly enclosing a receiving space, a sounding monomer contained in the receiving space, and a sealing layer ,
  • the upper cover includes an upper cover body and a support wall extending from the upper cover body in the direction of the lower cover and around the sounding unit;
  • the sounding unit includes a basin frame and a support fixed to the The diaphragm for vibrating and sounding of the basin frame, the basin frame is ring-shaped and includes an inner side surface, an outer side surface disposed opposite to the inner side surface, a bottom surface connecting the inner side surface and the outer side surface, and The top surface opposite to the bottom surface and the first step in a ring shape formed by the outer peripheral edge of the top surface recessed in a direction away from the diaphragm, the diaphragm being fixed to the top surface;
  • the single body is supported on the support wall and connects the outer side surface with the support wall, and the diaphra
  • the fixing portion includes a first wall arranged directly opposite to the bottom wall of the step, and a second wall bent and extended from the first wall and arranged directly opposite to the side wall of the step; the sealing layer They are respectively sandwiched between the first wall and the bottom wall of the step, and between the second wall and the side wall of the step.
  • the fixing portion further includes a third wall connected with the second wall and bent and extended in a direction away from the stepped side wall, and bent and extended from the third wall in a direction close to the upper cover body
  • the fourth wall is connected to the side of the supporting wall body close to the upper cover; the fourth wall and the step side wall are connected by the sealing layer and cover the third wall .
  • the distance between the upper cover body and the sealing layer covering the third wall along the vibration direction of the diaphragm is less than or equal to the distance between the upper cover body and the diaphragm.
  • the step bottom wall, the first wall and the fourth wall are arranged in parallel to each other, and the step side wall is arranged in parallel to the second wall.
  • the diaphragm extends and is attached to the bottom wall of the step and the side wall of the step respectively, and the fixing portion presses the diaphragm on the bottom wall of the step and the side wall through the sealing layer.
  • the side wall of the step forms a sealing fixation.
  • the sealing layer is glue.
  • the upper cover further includes a first opening penetrating through the upper cover body and an upper cover cover plate fixed to the upper cover body and completely covering the first opening, the upper cover cover plate and the The vocal unit is set directly opposite.
  • the upper cover cover plate and the upper cover body are fixed by gluing.
  • the upper cover further includes an upper cover step that is recessed from the side of the upper cover body away from the sounding monomer in the direction of the sounding monomer, and the upper cover step is ring-shaped and is connected to the The first opening is in communication
  • the upper cover plate includes a cover plate body and an extension part bent and extended from the periphery of the cover plate body in a direction close to the sound emitting unit, and the cover plate body completely covers the first An opening, the extension part is fixed to the upper cover step.
  • the speaker box of the present invention is provided with a first step through a basin frame of a single sounding unit.
  • the first step includes a step bottom wall and a step side wall.
  • the support wall of the upper cover is provided with a fixing that matches the first step.
  • the step bottom wall and the step side wall respectively form a sealed connection with the fixed part through a sealing layer, and the part of the outer side surface connecting the step bottom wall and the supporting wall body form a sealed connection through the sealing layer.
  • the structure makes the fixing position of the supporting wall and the basin frame farther away from the upper cover than the related art through the first step, which can significantly increase the volume of the front acoustic cavity and improve the sound output channel, thereby making the acoustic performance of the speaker box superior.
  • the sealing layer is completely covered and fixed to the fixed part, so that the glue position of the basin frame and the supporting wall is not only on the two sides of the first step, but also glued to the sounding monomer on the side of the fixed part close to the front acoustic cavity. , To ensure the consistency of glue, so that the consistency of the reliability of the speaker box is greatly improved.
  • Figure 1 is a schematic diagram of the three-dimensional structure of the speaker box of the present invention.
  • Figure 2 is an exploded view of a part of the three-dimensional structure of the speaker box of the present invention.
  • Figure 3 is a sectional view taken along line A-A in Figure 1;
  • Figure 4 is an enlarged view along part B in Figure 3;
  • Figure 5 is an exploded view of a part of the three-dimensional structure of the upper cover of the speaker box of the present invention.
  • Fig. 6 is a schematic diagram of the three-dimensional structure of the basin frame of the sound emitting unit of the speaker box of the present invention.
  • the present invention provides a speaker box 100, which includes an upper cover 1, a lower cover 2, a sound emitting monomer 3, and a sealing layer 4.
  • the upper cover 1 and the lower cover 2 jointly enclose a receiving space 10.
  • the upper cover 1 and the lower cover 2 may be an integral structure or a separate structure.
  • the upper cover 1 includes an upper cover body 11, a supporting wall 12, a sound guide channel 13, a first opening 14 and an upper cover plate 15.
  • the supporting wall 12 extends from the upper cover body 11 toward the lower cover 2 and is arranged around the sound emitting monomer 3.
  • the supporting wall 12 is ring-shaped.
  • the support wall 12 includes a ring-shaped support wall body 121 extending from the upper cover body 11 toward the lower cover 2 and a support wall body 121 that extends from the support wall body 121 to the sounding monomer 3 first.
  • the direction of the step 315 protrudes and forms a ring-shaped fixing portion 122.
  • the supporting wall 12 is used to support the sound emitting monomer 3.
  • the sound guide channel 13 is formed on the upper cover body 11.
  • the first opening 14 penetrates the upper cover body 11.
  • the first opening 14 is used to provide the upper cover 15 to replace the original pure plastic structure. It is convenient to glue when assembling.
  • the upper cover cover plate 15 is fixed to the upper cover body 11.
  • the upper cover 15 completely covers the first opening 14.
  • the upper cover 15 and the sound emitting unit 3 are arranged directly opposite to each other.
  • the upper cover 15 is a steel sheet or a plastic sheet.
  • the upper cover cover plate 15 and the upper cover body 11 are fixed by gluing.
  • the thickness of the upper cover 15 can be greatly reduced, thereby increasing the volume of the receiving space 10.
  • the thickness and material are not limited to this, in principle, the thinner the better.
  • the upper cover 1 further includes an upper cover step 16 that is recessed from the side of the upper cover body 11 away from the sound emitting unit 3 in the direction of the sound emitting unit 3, and the upper cover step 16 is ring-shaped and communicates with the first opening 14.
  • the upper cover 15 includes a cover body 151 and an extension portion 152 bent and extended from the periphery of the cover body 151 in a direction approaching the sound emitting unit 3.
  • the cover body 151 completely covers the first opening 14.
  • the extension portion 152 is fixed to the upper cover step 16.
  • the extension 152 increases the height of the cover body 151, and this structure increases the volume of the receiving space 10.
  • the lower cover 2 covers the upper cover 1.
  • the lower cover 2 includes a lower cover body 21 and a second opening 22 penetrating the lower cover body 21.
  • the sound emitting monomer 3, the lower cover body 21 and the upper cover 1 jointly enclose a rear cavity 102.
  • the rear cavity 102 is used to improve the low frequency acoustic performance of the speaker box 100.
  • the sound emitting unit 3 is accommodated in the accommodation space 10.
  • the sound-producing unit 3 includes a basin frame 31, a diaphragm 32 supported and fixed to the basin frame 31 for vibrating and sounding, and fixed to the basin frame 31 and used for driving the diaphragm 32 to vibrate and produce sound.
  • the magnetic circuit system 33 includes a magnetic yoke 331 fixed to the basin frame 31 and disposed opposite to the diaphragm 32, and the magnetic yoke 331 is fixed to the lower cover body 21 and completely covers the second Opening 22.
  • the basin frame 31 has a ring shape.
  • the basin frame 31 includes an inner side surface 311, an outer side surface 312 opposite to the inner side surface 311, a bottom surface 313 connecting the inner side surface 311 and the outer side surface 312, and a top surface 314 opposite to the bottom surface 313. .
  • the diaphragm 32 is spaced apart from the upper cover body 11.
  • the diaphragm 32, the supporting wall 12 and the upper cover 1 jointly enclose a front acoustic cavity 101, and the front acoustic cavity 101 communicates with the outside through the sound guide channel 13.
  • the front acoustic cavity 101 is used to improve the high frequency acoustic performance of the speaker box 100.
  • the sound emitting unit 3 divides the receiving space 10 into the front sound cavity 101 and the rear cavity 102.
  • the basin frame 31 further includes a first step 315 formed by recessing the outer periphery of the top surface 314 in a direction away from the diaphragm 32.
  • the first step 315 has a ring shape and is connected to the outer side surface 312.
  • the fixing portion 122 is formed by the supporting wall body 121 protruding toward the first step 315.
  • the first step 315 includes a step bottom wall 3151 connected to the outer side surface 312 and bent and extended in a direction away from the support wall 12, and a step bottom wall 3151 in a direction close to the front acoustic cavity 101
  • the stepped side wall 3152 of the top surface 314 is bent and extended.
  • the sound emitting monomer 3 is supported on the supporting wall 12.
  • the fixing portion 122 is supported by the first step 315.
  • the fixing portion 122 is matched with the first step 315.
  • the fixing portion 122 includes a first wall 1221 disposed directly opposite to the step bottom wall 3151, a second wall extending bent and extended from the first wall 1221 and disposed directly opposite to the step side wall 3152 1222.
  • a third wall 1223 connected to the second wall 1222 and bent and extended in a direction away from the stepped side wall 3152, and a second wall 1223 bent and extended in a direction close to the upper cover body 11 from the third wall 1223
  • the fourth wall 1224 is connected to the side of the supporting wall body 121 close to the upper cover 1.
  • the stepped bottom wall 3151, the first wall 1221, and the fourth wall 1224 are arranged parallel to each other, and the stepped side wall 3152 and the second wall 1222 are arranged parallel to each other.
  • Parallel arrangement is beneficial to production and assembly, and by arranging the sealing layer 4 between the two, the sealing performance is better, thereby improving the reliability of the speaker box 100.
  • the sealing layer 4 is glue.
  • glue Of course, it is not limited to this, other materials that can be waterproof and fixed are all possible.
  • the sealing layer 4 completely covers and is fixed to the fixing portion 122.
  • the diaphragm 32 is fixed on the top surface 314.
  • the diaphragm 32 is extended and attached to the first step 315.
  • the diaphragm 32 extends and is attached to the step bottom wall 3151 and the step side wall 3152 respectively.
  • the fixing portion 122 presses the diaphragm 32 on the first step 315 through the sealing layer 4 to form a sealed fixing. That is, the fixing portion 122 presses the diaphragm 32 to the step bottom wall 3151 and the step side wall 3152 through the sealing layer 4 to form a sealed fixing.
  • the fixing portion 122 is in a sealed connection with the basin frame 31 through the sealing layer 4. Specifically, that is, the sealing layer 4 is sandwiched between the fixing portion 122 and the first step 315.
  • This structure is equivalent to giving up space from the basin frame 31 to fill the sealing layer 4, and does not occupy the volume of the front acoustic cavity 101 and the sound guide channel 13, thereby improving the acoustic performance of the speaker box 100 excellent.
  • the fourth wall 1224 and the stepped side wall 3152 are connected by the sealing layer 4 and cover the third wall 1223.
  • the step bottom wall 3151 and the step side wall 3152 respectively form a sealed connection with the fixing portion 122 through the sealing layer 4.
  • the sealing layer 4 is sandwiched between the first wall 1221 and the step bottom wall 3151, between the second wall 1222 and the step side wall 3152, and the fourth wall 1224 and the step bottom wall 3152. Between the sidewalls 3152 of the step.
  • a single side glue is avoided.
  • the side of the sound unit 3 does not require a 0.7mm glue space, which can effectively reduce the impact on the speaker.
  • the length and width dimensions of the box 100 require space.
  • the supporting wall 12 is connected to the outer side surface 312.
  • the supporting wall 12 and the basin frame 31 are spaced apart.
  • the part of the outer side surface 312 connecting the step bottom wall 3151 and the supporting wall body 121 form a sealed connection through the sealing layer 4.
  • This structure makes the connection between the supporting wall 12 and the sound emitting unit 3 stronger, and does not occupy the volume of the front sound cavity 101, and also improves the reliability of the speaker box 100.
  • the distance between the upper cover body 11 and the sealing layer 4 covering the third wall 1223 along the vibration direction of the diaphragm 32 is less than or equal to the distance between the upper cover body 11 and the diaphragm 32.
  • the distance from the fixing portion 122 to the upper cover body 11 is greater than the distance from the top surface 314 to the upper cover body 11.
  • the side of the sealing layer 4 close to the front acoustic cavity 101 and the side of the diaphragm 32 close to the front acoustic cavity 101 are located on the same plane.
  • the sealing layer 4 covers the third wall 1223 and is sandwiched between the fourth wall 1224 and the stepped side wall 3152.
  • the sealing layer 4 is glued on the first wall 1221 and the third wall 1223 respectively.
  • the first wall 1221 and the fourth wall 1224 are arranged in parallel.
  • This structure enables the front surface of the sound-producing monomer 3 to be sealed with two glues to ensure the waterproof effect and improve the reliability of the speaker box 100.
  • the consistency of glue application is also ensured, and the consistency of the performance of the speaker box 100 and the consistency of the reliability of the speaker box 100 are greatly improved.
  • the speaker box of the present invention is provided with a first step through a basin frame of a single sounding unit.
  • the first step includes a step bottom wall and a step side wall.
  • the support wall of the upper cover is provided with a fixing that matches the first step.
  • the step bottom wall and the step side wall respectively form a sealed connection with the fixed part through a sealing layer, and the part of the outer side surface connecting the step bottom wall and the supporting wall body form a sealed connection through the sealing layer.
  • the structure makes the fixing position of the supporting wall and the basin frame farther away from the upper cover than the related art through the first step, which can significantly increase the volume of the front acoustic cavity and improve the sound output channel, thereby making the acoustic performance of the speaker box superior.
  • the sealing layer is completely covered and fixed to the fixed part, so that the glue position of the basin frame and the supporting wall is not only on the two sides of the first step, but also glued to the sounding monomer on the side of the fixed part close to the front acoustic cavity. , To ensure the consistency of glue, so that the consistency of the reliability of the speaker box is greatly improved.

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

Abstract

本实用新型提供了一种扬声器箱，其包括上盖、下盖、发声单体以及密封层，上盖包括上盖本体和支撑壁；发声单体包括侧壁围成的盆架和振膜，侧壁包括内侧面、外侧面、底面、顶面及由顶面凹陷形成且与外侧面连接的第一台阶，第一台阶包括台阶底壁和台阶侧壁；发声单体支撑于支撑壁并使外侧面与支撑壁连接，振膜固定于顶面；支撑壁包括支撑壁本体和固定部，固定部支撑于第一台阶；台阶底壁和台阶侧壁分别与固定部通过密封层形成密封连接，外侧面连接台阶底壁的部分与支撑壁本体通过密封层形成密封连接。与相关技术相比，本实用新型的扬声器箱的前声腔空间大、声学性能优且可靠性高。

Description

扬声器箱 技术领域
本实用新型涉及电声转换领域，尤其涉及一种运用于便携式电子产品的扬声器箱。
 背景技术
随着移动互联网时代的到来，智能移动设备的数量不断上升。而在众多移动设备之中，手机无疑是最常见、最便携的移动终端设备。目前，手机的功能极其多样，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。
相关技术的所述扬声器箱包括上盖、与所述上盖共同围成收容空间的下盖、收容于所述收容空间内的发声单体、形成于所述收容空间的导声通道以及由所述上盖本体向所述下盖方向延伸的呈环状的支撑壁，所述支撑壁设有向远离所述发声单体形成的收容台阶，所述发声单体收容于所述收容台阶内以固定支撑于所述支撑壁，所述发声单体与所述上盖间隔设置形成前声腔，所述前声腔通过所述通孔与所述导声通道连通，所述导声通道将所述前声腔与外界连通。
 技术问题
然而，相关技术的所述扬声器箱中，所述支撑壁设置所述收容台阶，使得与所述发声单体固定的收容台阶的台阶面较宽，从而造成所述支撑壁与所述上盖本体之间的空间较小，从而使所述前腔和所述导声通道高度受限，最窄高度只有0.47mm，影响到气流的顺畅。另外，所述收容台阶的侧面与所述发声单体通过胶水固定，用于固定的胶水在所述收容台阶的一圈需完整，对所述扬声器箱长度和宽度要求较高，其中，打胶间隙至少0.70mm以上，使得所述前腔空间受限，而且可靠性不高。
因此，实有必要提供一种新的扬声器箱解决上述技术问题。
 技术解决方案
本实用新型的目的在于提供一种前声腔空间大、声学性能优且可靠性高的扬声器箱。
为达到上述目的，本实用新型提供一种扬声器箱，其包括上盖、盖设于所述上盖并共同围成收容空间的下盖、收容于所述收容空间内的发声单体以及密封层，所述上盖包括上盖本体和由所述上盖本体向所述下盖方向延伸且绕设于所述发声单体的支撑壁；所述发声单体包括盆架和支撑固定于所述盆架的用于振动发声的振膜，所述盆架呈环状且其包括内侧面、与所述内侧面相对设置的外侧面、连接所述内侧面和所述外侧面的底面、与所述底面相对设置的顶面以及由所述顶面的外周缘向远离所述振膜的方向凹陷形成的呈环状的第一台阶，所述振膜固定于所述顶面设置；所述发声单体支撑于所述支撑壁并使所述外侧面与所述支撑壁连接，所述振膜与所述上盖本体间隔设置；所述第一台阶包括与所述外侧面连接并向远离所述支撑壁方向弯折延伸的台阶底壁和由所述台阶底壁向靠近所述上盖本体方向弯折延伸且连接于所述顶面的台阶侧壁；所述支撑壁包括由所述上盖本体向所述下盖方向延伸的呈环状的支撑壁本体和由所述支撑壁本体向所述第一台阶的方向凸出形成的与所述第一台阶匹配的固定部，所述固定部呈环形且支撑于所述第一台阶；所述密封层完全覆盖且固定于所述固定部，所述台阶底壁和所述台阶侧壁分别与所述固定部通过所述密封层形成密封连接，所述外侧面连接所述台阶底壁的部分与所述支撑壁本体通过所述密封层形成密封连接。
优选的，所述固定部包括与所述台阶底壁正对设置的第一壁和由所述第一壁弯折延伸且与所述台阶侧壁正对设置的第二壁；所述密封层分别夹设于所述第一壁与所述台阶底壁之间、以及所述第二壁与所述台阶侧壁之间。
优选的，所述固定部还包括与所述第二壁连接并向远离所述台阶侧壁方向弯折延伸的第三壁和由所述第三壁向靠近所述上盖本体方向弯折延伸的第四壁，所述第四壁连接于所述支撑壁本体靠近所述上盖的一侧；所述第四壁与所述台阶侧壁通过所述密封层连接且覆盖所述第三壁。
优选的，所述上盖本体沿所述振膜的振动方向与覆盖所述第三壁的所述密封层的距离小于或等于其与所述振膜的距离。
优选的，所述台阶底壁、所述第一壁以及所述第四壁相互平行设置，所述台阶侧壁与所述第二壁平行设置。
优选的，所述振膜延伸且分别贴合于所述台阶底壁和所述台阶侧壁，所述固定部通过所述密封层将所述振膜分别压设于所述台阶底壁和所述台阶侧壁形成密封固定。
优选的，所述密封层为胶水。
优选的，所述上盖还包括贯穿所述上盖本体的第一开口以及固定于所述上盖本体并完全覆盖所述第一开口的上盖盖板，所述上盖盖板与所述发声单体正对设置。
优选的，所述上盖盖板与所述上盖本体通过胶合固定。
优选的，所述上盖还包括由所述上盖本体远离所述发声单体的一侧向所述发声单体的方向凹陷形成上盖台阶，所述上盖台阶呈环状且与所述第一开口连通，所述上盖盖板包括盖板本体和由所述盖板本体的周缘向靠近所述发声单体的方向弯折延伸的延伸部，所述盖板本体完全覆盖所述第一开口，所述延伸部固定于所述上盖台阶。
 有益效果
与相关技术相比，本实用新型的扬声器箱通过发声单体的盆架设置第一台阶，第一台阶包括台阶底壁和台阶侧壁，在上盖的支撑壁设置与第一台阶匹配的固定部，并使台阶底壁和台阶侧壁分别与固定部通过密封层形成密封连接，外侧面连接台阶底壁的部分与支撑壁本体通过密封层形成密封连接。该结构通过第一台阶使得支撑壁与盆架固定位置相对于相关技术更加远离上盖，可以显著增大前声腔体积，并改善出音通道，从而使所述扬声器箱的声学性能优。另外，将密封层完全覆盖且固定于固定部，使得盆架与支撑壁的打胶位置不仅仅在第一台阶的两个面，还在固定部靠近前声腔一侧均与发声单体打胶，保证了打胶的一致性，从而使所述扬声器箱的可靠性的一致性有较大提升。
 附图说明
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：
图1为本实用新型扬声器箱的立体结构示意图；
图2为本实用新型扬声器箱的部分立体结构分解图；
图3为沿图1中A-A线剖视图；
图4为沿图3中B部分放大图；
图5为本实用新型扬声器箱的上盖的部分立体结构分解图；
图6为本实用新型扬声器箱的发声单体的盆架的立体结构示意图。
 本发明的实施方式
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。
请同时参阅图1-6，本实用新型提供了一种扬声器箱100，其包括上盖1、下盖2、发声单体3以及密封层4。
所述上盖1与所述下盖2共同围成收容空间10。所述上盖1和所述下盖2可为一体结构，也可为分体结构。
所述上盖1包括上盖本体11、支撑壁12、导声通道13、第一开口14以及上盖盖板15。
所述支撑壁12由所述上盖本体11向所述下盖2方向延伸且绕设于所述发声单体3。所述支撑壁12呈环状。具体的，所述支撑壁12包括由所述上盖本体11向所述下盖2方向延伸的呈环状的支撑壁本体121和由所述支撑壁本体121向所述发声单体3第一台阶315的方向凸出形成且呈环形的固定部122。所述支撑壁12用于支撑所述发声单体3。
所述导声通道13形成于所述上盖本体11。
所述第一开口14贯穿所述上盖本体11。所述第一开口14用于设置所述上盖盖板15来替代换了原纯塑结构。装配时方便打胶。
所述上盖盖板15固定于所述上盖本体11。所述上盖盖板15完全覆盖所述第一开口14。所述上盖盖板15与所述发声单体3正对设置。
本实施方式中，所述上盖盖板15为钢片或塑料片。所述上盖盖板15与所述上盖本体11通过胶合固定。所述上盖盖板15的厚度可极大减薄，从而增大所述收容空间10的体积。当然，其厚度和材质并不限于此，原则上越薄越好。
本实施方式中，所述上盖1还包括由所述上盖本体11远离所述发声单体3的一侧向所述发声单体3的方向凹陷形成上盖台阶16，所述上盖台阶16呈环状且与所述第一开口14连通。所述上盖盖板15包括盖板本体151和由所述盖板本体151的周缘向靠近所述发声单体3的方向弯折延伸的延伸部152。所述盖板本体151完全覆盖所述第一开口14。所述延伸部152固定于所述上盖台阶16。所述延伸部152增高了所述盖板本体151的高度，该结构增大所述收容空间10的体积。
所述下盖2盖设于所述上盖1。所述下盖2包括下盖本体21和贯穿所述下盖本体21的第二开口22。所述发声单体3、所述下盖本体21及所述上盖1共同围成后腔102。所述后腔102用于改善所述扬声器箱100的低频声学性能。
所述发声单体3收容于所述收容空间10内。具体的，所述发声单体3包括盆架31、支撑固定于所述盆架31的用于振动发声的振膜32以及固定于所述盆架31且用于驱动所述振膜32振动发声的磁路系统33。其中，所述磁路系统33包括固定于所述盆架31且与所述振膜32相对设置的磁轭331，所述磁轭331固定于所述下盖本体21且完全覆盖所述第二开口22。
所述盆架31呈环状。所述盆架31包括内侧面311、与所述内侧面311相对设置的外侧面312、连接所述内侧面311和所述外侧面312的底面313以及与所述底面313相对设置的顶面314。
所述振膜32与所述上盖本体11间隔设置。所述振膜32、所述支撑壁12及所述上盖1共同围成前声腔101，所述前声腔101通过所述导声通道13与外界连通。所述前声腔101用于改善所述扬声器箱100的高频声学性能。综合上述，所述发声单体3将所述收容空间10分隔为所述前声腔101和所述后腔102。
更优的，所述盆架31还包括由所述顶面314的外周缘向远离所述振膜32的方向凹陷形成的第一台阶315。所述第一台阶315呈环状且与所述外侧面312连接。其中所述固定部122由所述支撑壁本体121向所述第一台阶315的方向凸出形成。
具体的，所述第一台阶315包括与所述外侧面312连接并向远离所述支撑壁12方向弯折延伸的台阶底壁3151和由所述台阶底壁3151向靠近所述前声腔101方向弯折延伸且连接于所述顶面314的台阶侧壁3152。该结构通过所述第一台阶315使得所述支撑壁12与所述盆架31固定位置远离所述上盖1，可以显著增大所述前声腔101体积，并改善出音通道，从而使所述扬声器箱100的声学性能优。
所述发声单体3支撑于所述支撑壁12。本实施方式中，所述固定部122支撑于所述第一台阶315。所述固定部122与所述第一台阶315匹配。具体的，所述固定部122包括与所述台阶底壁3151正对设置的第一壁1221、由所述第一壁1221弯折延伸且与所述台阶侧壁3152正对设置的第二壁1222、与所述第二壁1222连接并向远离所述台阶侧壁3152方向弯折延伸的第三壁1223以及由所述第三壁1223向靠近所述上盖本体11方向弯折延伸的第四壁1224，所述第四壁1224连接于所述支撑壁本体121靠近所述上盖1的一侧。
本实施方式中，所述台阶底壁3151、所述第一壁1221以及所述第四壁1224相互平行设置，所述台阶侧壁3152与所述第二壁1222平行设置。平行设置有利于生产和组装，而且通过在其两者之间设置所述密封层4，密封性更好，从而提高所述扬声器箱100的可靠性。
本实施方式中，所述密封层4为胶水。当然，不限于此，其他可以防水和固定的材料都是可以的。
所述密封层4完全覆盖且固定于所述固定部122。
所述振膜32固定于所述顶面314设置。本实施方式中，所述振膜32延伸贴合于所述第一台阶315。具体的，所述振膜32延伸且分别贴合于所述台阶底壁3151和所述台阶侧壁3152。所述固定部122通过所述密封层4将所述振膜32压设于所述第一台阶315形成密封固定。即所述固定部122通过所述密封层4将所述振膜32分别压设于所述台阶底壁3151和所述台阶侧壁3152形成密封固定。
所述固定部122通过所述密封层4与所述盆架31形成密封连接。具体的，也就是说，所述密封层4夹设于所述固定部122与所述第一台阶315之间。该结构相当于从所述盆架31上让位空间用于填充所述密封层4，不占用所述前声腔101与所述导声通道13的体积，从而使所述扬声器箱100的声学性能优。
具体的，所述第四壁1224与所述台阶侧壁3152通过所述密封层4连接且覆盖所述第三壁1223。所述台阶底壁3151和所述台阶侧壁3152分别与所述固定部122通过所述密封层4形成密封连接。所述密封层4分别夹设于所述第一壁1221与所述台阶底壁3151之间、所述第二壁1222与所述台阶侧壁3152之间以及所述第四壁1224与所述台阶侧壁3152之间。通过所述固定部122与所述第一台阶315之间的打胶，避免单一的侧面补胶，所述发声单体3的侧面不需要0.7mm的打胶空间，可以有效降低对所述扬声器箱100的长宽尺寸的空间需求。
所述支撑壁12连接于所述外侧面312。所述支撑壁12与所述盆架31间隔设置。具体的，所述外侧面312连接所述台阶底壁3151的部分与所述支撑壁本体121通过所述密封层4形成密封连接。该结构使得所述支撑壁12与所述发声单体3的连接更为坚固，而且不占用所述前声腔101体积，也提高了从而使所述扬声器箱100的可靠性。
更优的，所述上盖本体11沿所述振膜32的振动方向与覆盖所述第三壁1223的所述密封层4的距离小于或等于其与所述振膜32的距离。也就是说，所述固定部122至所述上盖本体11的距离大于所述顶面314到所述上盖本体11的距离。使得可以显著增大所述前声腔101体积，并改善出音通道，从而使所述扬声器箱100的声学性能优。
本实施方式中，所述密封层4靠近所述前声腔101的一侧与所述振膜32靠近所述前声腔101的一侧位于同一平面。所述密封层4覆盖所述第三壁1223且夹设于所述第四壁1224与所述台阶侧壁3152之间。所述第一台阶315相对所述顶面314的下沉设计，结合所述固定部122的所述第三壁1223相对所述顶面314的下沉设计，保证在所述第三壁1223打胶后，胶水超出所述顶面314的高度极低（甚至可以不超出），使得可以显著增大所述前声腔101体积，并改善出音通道，从而使所述扬声器箱100的声学性能优。
另外，所述密封层4分别在所述第一壁1221和所述第三壁1223打胶。所述第一壁1221与所述第四壁1224平行设置，该结构使得所述发声单体3正面封两道胶水，保证防水效果，提高了所述扬声器箱100的可靠性。同时也保证了打胶的一致性，对所述扬声器箱100性能的一致性以及所述扬声器箱100可靠性的一致性有较大提升。
与相关技术相比，本实用新型的扬声器箱通过发声单体的盆架设置第一台阶，第一台阶包括台阶底壁和台阶侧壁，在上盖的支撑壁设置与第一台阶匹配的固定部，并使台阶底壁和台阶侧壁分别与固定部通过密封层形成密封连接，外侧面连接台阶底壁的部分与支撑壁本体通过密封层形成密封连接。该结构通过第一台阶使得支撑壁与盆架固定位置相对于相关技术更加远离上盖，可以显著增大前声腔体积，并改善出音通道，从而使所述扬声器箱的声学性能优。另外，将密封层完全覆盖且固定于固定部，使得盆架与支撑壁的打胶位置不仅仅在第一台阶的两个面，还在固定部靠近前声腔一侧均与发声单体打胶，保证了打胶的一致性，从而使所述扬声器箱的可靠性的一致性有较大提升。
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (10)

  1. 一种扬声器箱，其包括上盖、盖设于所述上盖并共同围成收容空间的下盖以及收容于所述收容空间内的发声单体，所述上盖包括上盖本体和由所述上盖本体向所述下盖方向延伸且绕设于所述发声单体的支撑壁；所述发声单体包括盆架和支撑固定于所述盆架的用于振动发声的振膜，所述盆架呈环状且其包括内侧面、与所述内侧面相对设置的外侧面、连接所述内侧面和所述外侧面的底面以及与所述底面相对设置的顶面，所述振膜固定于所述顶面设置；所述发声单体支撑于所述支撑壁并使所述外侧面与所述支撑壁连接，所述振膜与所述上盖本体间隔设置；其特征在于，
    所述盆架还包括由所述顶面的外周缘向远离所述振膜的方向凹陷形成的呈环状的第一台阶，所述第一台阶包括与所述外侧面连接并向远离所述支撑壁方向弯折延伸的台阶底壁和由所述台阶底壁向靠近所述上盖本体方向弯折延伸且连接于所述顶面的台阶侧壁；
    所述支撑壁包括由所述上盖本体向所述下盖方向延伸的呈环状的支撑壁本体和由所述支撑壁本体向所述第一台阶的方向凸出形成的与所述第一台阶匹配的固定部，所述固定部呈环形且支撑于所述第一台阶；
    所述扬声器箱还包括完全覆盖且固定于所述固定部的密封层，所述台阶底壁和所述台阶侧壁分别与所述固定部通过所述密封层形成密封连接，所述外侧面连接所述台阶底壁的部分与所述支撑壁本体通过所述密封层形成密封连接。
  2. 根据权利要求1所述的扬声器箱，其特征在于，所述固定部包括与所述台阶底壁正对设置的第一壁和由所述第一壁弯折延伸且与所述台阶侧壁正对设置的第二壁；所述密封层分别夹设于所述第一壁与所述台阶底壁之间、以及所述第二壁与所述台阶侧壁之间。
  3. 根据权利要求2所述的扬声器箱，其特征在于，所述固定部还包括与所述第二壁连接并向远离所述台阶侧壁方向弯折延伸的第三壁和由所述第三壁向靠近所述上盖本体方向弯折延伸的第四壁，所述第四壁连接于所述支撑壁本体靠近所述上盖的一侧；所述第四壁与所述台阶侧壁通过所述密封层连接且覆盖所述第三壁。
  4. 根据权利要求3所述的扬声器箱，其特征在于，所述上盖本体沿所述振膜的振动方向与覆盖所述第三壁的所述密封层的距离小于或等于其与所述振膜的距离。
  5. 根据权利要求3所述的扬声器箱，其特征在于，所述台阶底壁、所述第一壁以及所述第四壁相互平行设置，所述台阶侧壁与所述第二壁平行设置。
  6. 根据权利要求1所述的扬声器箱，其特征在于，所述振膜延伸且分别贴合于所述台阶底壁和所述台阶侧壁，所述固定部通过所述密封层将所述振膜分别压设于所述台阶底壁和所述台阶侧壁形成密封固定。
  7. 根据权利要求1所述的扬声器箱，其特征在于，所述密封层为胶水。
  8. 根据权利要求1所述的扬声器箱，其特征在于，所述上盖还包括贯穿所述上盖本体的第一开口以及固定于所述上盖本体并完全覆盖所述第一开口的上盖盖板，所述上盖盖板与所述发声单体正对设置。
  9. 根据权利要求8所述的扬声器箱，其特征在于，所述上盖盖板与所述上盖本体通过胶合固定。
  10. 根据权利要求8所述的扬声器箱，其特征在于，所述上盖还包括由所述上盖本体远离所述发声单体的一侧向所述发声单体的方向凹陷形成上盖台阶，所述上盖台阶呈环状且与所述第一开口连通，所述上盖盖板包括盖板本体和由所述盖板本体的周缘向靠近所述发声单体的方向弯折延伸的延伸部，所述盖板本体完全覆盖所述第一开口，所述延伸部固定于所述上盖台阶。
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090279716A1 (en) * 2008-05-09 2009-11-12 Carl Stahl Vibration generator for electronic device having speaker driver and counterweight
CN101588521A (zh) * 2008-05-23 2009-11-25 富准精密工业(深圳)有限公司 音箱结构
CN106101947A (zh) * 2016-06-20 2016-11-09 广东欧珀移动通信有限公司 喇叭出声结构及移动终端
CN207612417U (zh) * 2017-11-24 2018-07-13 瑞声科技(新加坡)有限公司 扬声器箱

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090279716A1 (en) * 2008-05-09 2009-11-12 Carl Stahl Vibration generator for electronic device having speaker driver and counterweight
CN101588521A (zh) * 2008-05-23 2009-11-25 富准精密工业(深圳)有限公司 音箱结构
CN106101947A (zh) * 2016-06-20 2016-11-09 广东欧珀移动通信有限公司 喇叭出声结构及移动终端
CN207612417U (zh) * 2017-11-24 2018-07-13 瑞声科技(新加坡)有限公司 扬声器箱

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