WO2017157085A1 - 喇叭和喇叭减震结构 - Google Patents

喇叭和喇叭减震结构 Download PDF

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Publication number
WO2017157085A1
WO2017157085A1 PCT/CN2016/113753 CN2016113753W WO2017157085A1 WO 2017157085 A1 WO2017157085 A1 WO 2017157085A1 CN 2016113753 W CN2016113753 W CN 2016113753W WO 2017157085 A1 WO2017157085 A1 WO 2017157085A1
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Prior art keywords
horn
elastic body
speaker
cantilever
fixing structure
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PCT/CN2016/113753
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English (en)
French (fr)
Inventor
袁嘉斌
张宗韬
王玉龙
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Guangzhou Shirui Electronics Co Ltd
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Guangzhou Shirui Electronics Co Ltd
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Application filed by Guangzhou Shirui Electronics Co Ltd filed Critical Guangzhou Shirui Electronics Co Ltd
Priority to US16/490,537 priority Critical patent/US10750264B2/en
Publication of WO2017157085A1 publication Critical patent/WO2017157085A1/zh
Anticipated expiration legal-status Critical
Priority to US16/824,913 priority patent/US10708678B1/en
Priority to US16/892,712 priority patent/US11089394B2/en
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/026—Supports for loudspeaker casings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers

Definitions

  • the utility model relates to a horn, in particular to a horn and a horn damping structure.
  • the horn damping method in the existing market is to directly separate the horn and the fastener with an elastic structure to achieve shock absorption; as shown in FIG. 1 and FIG. 2, in the conventional horn damping structure, the horn body and the horn fixing structure There is only one layer of rubber ring 1 between them.
  • the amplitude of the horn body 2 is large, which easily causes the apron to vibrate, and the generated force F1 is directly transmitted to the horn fixing structure 3, thereby causing the machine to loosen the internal parts of the machine. Shock, especially for heavy bass speakers, the probability of machine shake is very high.
  • the purpose of the utility model is to provide a horn and horn damping structure to reduce the machine shake caused by the large amplitude of the horn.
  • the present invention provides a horn damper structure including a first elastic body for connection with a horn body and a second elastic body for connection with a horn fixing structure, the first elastic body and The second elastomers are connected by cantilevers, which are made of an elastic material.
  • the cantilever has an S-shaped cross section.
  • the first elastic body is provided with an annular groove for engaging with the horn body, and the cantilever is provided with a first opening communicating with the annular groove.
  • the cantilever is further provided with a second opening.
  • the outer surface of the second elastic body is provided with at least one convex ring.
  • the first elastomer and the second elastomer are both silicone seals.
  • the second elastic body is provided with a through hole for connection with the horn fixing structure.
  • the present invention further provides a horn comprising a horn body, a horn fixing structure and the horn damping structure, wherein the horn body is coupled to the first elastic body, and the horn fixing structure and The second elastomer is connected.
  • the first elastic member is provided with an annular groove for engaging with the horn body, and the cantilever is provided with An opening of the annular groove; the horn body is provided with a snap ring matching the annular groove;
  • the snap ring is engaged with the annular groove through the opening;
  • the second elastic body is provided with a through hole for connecting with the horn fixing structure; the horn fixing structure is provided with a connecting post matching the through hole; the connecting post passes through the through hole and passes through the tight Firmware is tightened.
  • the fastener and the second elastic body have a gap in an axial direction along the connecting post.
  • the utility model provides a horn and a shock absorbing structure thereof.
  • the first elastic body and the second elastic body are connected by a cantilever.
  • the cantilever is made of an elastic material.
  • the horn body and the horn are fixed by providing a cantilever.
  • the structure forms a non-coaxial connection structure, so that the force generated by the vibration of the horn body cannot be directly transmitted to the horn fixing structure, but is weakened by the cantilever, filtered, and then applied to the fixed structural member in a small force. This can greatly reduce the jitter caused by the large amplitude of the horn.
  • Figure 1 is a perspective view of a rubber ring of the prior art
  • Figure 2 is a partial cross-sectional view of the horn of the prior art
  • Figure 3 is a perspective view of the horn damping structure of the present invention.
  • FIG. 4 is a partial cross-sectional view of the horn of the present invention.
  • a horn damping structure of a preferred embodiment of the present invention includes a first elastic body 10 for connecting to the horn body and a second elastic body 20 for connecting with the horn fixing structure.
  • An elastic body 10 and a second elastic body 20 are connected by a cantilever 30, and the cantilever 30 is made of an elastic material.
  • the cantilever 30 is provided with a non-coaxial connection structure and a horn structure.
  • the force F1 generated by the vibration of the body cannot be directly transmitted to the fixed structure of the horn, but is buffered by the cantilever 30, filtered and weakened, and then applied to the fixed structural member in the form of a small force F2, thereby greatly reducing the horn
  • the amplitude of the machine is large due to the large amplitude.
  • the first elastic body 10 and the second elastic body 20 of the embodiment are all silicone sealing rings.
  • the cantilever 30 has an S-shaped cross section, and the S-shaped cantilever 30 can further weaken the lateral vibration conduction of the horn.
  • the second elastic body 20 is provided with a through hole 21 for connection with the horn fixing structure, and the through hole 21 has a polygonal cross section, thereby ensuring the firmness of the connection of the first elastic body 10 to the horn fixing structure.
  • the first elastic body 10 is provided with an annular groove 11 for engaging with the horn body 40.
  • the cantilever 30 is provided with a first opening 31 communicating with the annular groove 11, and the first opening 31 is provided for convenience.
  • the elastic body 10 is engaged with the horn body 40.
  • the cantilever 30 is further provided with a second opening 32.
  • the second opening 32 is provided with a spacer between the first opening 31 and the first opening 31.
  • the second opening 32 is adjacent to the side of the second elastic body 20, and is designed by a second design.
  • the gap L1 of the opening 32 can change the rigidity of the cantilever 30, thereby realizing a horn with different sizes and powers, for example, for a speaker with a heavier weight or a higher power, the gap L1 of the second opening 32 can be correspondingly increased; For a lighter or lower power horn, the gap L1 of the second opening 32 can be correspondingly reduced.
  • the outer surface of the second elastic body 20 is provided with at least one convex ring 22, and the second elastic body 20 provided with the convex ring 22 is compared with the smooth outer surface without the convex ring 22
  • the elastomer which can further weaken the vibration conduction in the longitudinal direction of the horn.
  • the plurality of convex rings 22 are provided in plurality, and the plurality of convex rings 22 are sequentially disposed along the axial direction of the second elastic body 20.
  • the present invention further provides a horn including a horn body 40, a horn fixing knot, 50 and the horn damping structure described above, wherein the horn body 40 is coupled to the first elastic body 10, and the horn is fixed.
  • the structure 50 is connected to the second elastic body 20, and the first elastic body 10 and the second elastic body 20 are connected by a cantilever 30.
  • the first elastic member is provided with an annular groove 11 for engaging with the horn body 40
  • the cantilever 30 is provided with an opening communicating with the annular groove 11
  • the horn body 40 is provided with a snap ring matching the annular groove 11
  • the snap ring is engaged with the annular groove 11 through the opening.
  • the second elastic body 20 is provided with a through hole 21 for connecting with the horn fixing structure 50; the horn fixing structure 50 is provided with a connecting post 51 matching the through hole 21; one end of the connecting post 51 is connected with the horn fixing structure 50, and the connecting post The other end of 51 passes through the through hole 21 and is tightened by a fastener 60.
  • the length of the connecting post 51 is greater than the length of the through hole 21 of the second elastic body 20 such that one end of the connecting post 51 protrudes from the through hole 21 of the second elastic body 20, so that the fastener 60 and the second elastic body 20 are along the edge.
  • the connecting post 51 has a gap L2 in the axial direction, which has a certain buffering distance between the second elastic member and the fastener 60, and reduces the rigidity of the joint of the second elastic body 20 and the fastener 60.
  • the force of the force F2 on the horn fixing structure can be further attenuated.
  • the speaker and the shock absorbing structure provided by the utility model have the following advantages:
  • the force F1 generated by the vibration of the horn body 40 cannot be directly transmitted to the horn fixing structure, but is weakened by the cantilever 30 buffering and filtering. Then acting on the fixed structural member in the form of a small force F2;
  • the cross section of the cantilever 30 is S-shaped, and the S-shaped cantilever 30 can further weaken the lateral vibration conduction of the horn;
  • the first elastic member is further provided with a second opening 32.
  • the rigidity of the cantilever 30 can be changed, thereby realizing a horn with different sizes and powers;
  • the fastener 60 and the second elastic body 20 have a gap L2 in the longitudinal direction, which can further weaken the force of the force F2 on the horn fixing structure.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Vibration Prevention Devices (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

本实用新型涉及一种喇叭，具体公开了一种喇叭和喇叭减震结构，其包括用于与喇叭本体连接的第一弹性体和用于与喇叭固定结构连接的第二弹性体，所述第一弹性体和第二弹性体之间通过悬臂连接，所述悬臂由弹性材料制成。本实用新型通过设置悬臂将喇叭本体与喇叭固定结构形成非同轴的连接结构，使喇叭本体的震动产生的力无法直接传导到喇叭固定结构上，而是通过悬臂缓冲、过滤减弱后以较小的力的形式作用到固定结构件上，由此可大幅度减小由于喇叭的振幅较大所导致的机震。

Description

喇叭和喇叭减震结构 技术领域
本实用新型涉及一种喇叭，特别是涉及一种喇叭和喇叭减震结构。
背景技术
现有市场上的喇叭减震方法为直接采用弹性结构隔开喇叭与紧固件，以实现减震；如图1和图2所示，传统的喇叭减震结构中，喇叭本体与喇叭固定结构之间仅仅相隔一层胶圈1，在低频段，喇叭本体2的振幅较大，容易引起胶圈震动，产生的力F1会直接传导到喇叭固定结构3上，进而引起机器内部松动件的机震，特别是重低音的喇叭，机震的概率非常高。
目前，喇叭机震的问题一直是各大电视厂商头痛的问题，一直没有合适的解决方法。
实用新型内容
本实用新型的目的是提供一种喇叭和喇叭减震结构，以减小由于喇叭的振幅较大所导致的机震。
为了实现上述目的，本实用新型提供一种喇叭减震结构，其包括用于与喇叭本体连接的第一弹性体和用于与喇叭固定结构连接的第二弹性体，所述第一弹性体和第二弹性体之间通过悬臂连接，所述悬臂由弹性材料制成。
作为优选方案，所述悬臂的横截面为S形。
作为优选方案，所述第一弹性体设有用于与喇叭本体卡接的环形槽，所述悬臂上设有与所述环形槽相通的第一开口。
作为优选方案，所述悬臂上还设有第二开口。
作为优选方案，所述第二弹性体的外表面设有至少一个凸环。
作为优选方案，所述第一弹性体和第二弹性体均为硅胶密封圈。
作为优选方案，所述第二弹性体设有用于与喇叭固定结构连接的通孔。
为了实现相同的目的，本实用新型还提供一种喇叭，其包括喇叭本体、喇叭固定结构和上述的喇叭减震结构，所述喇叭本体与所述第一弹性体连接，所述喇叭固定结构与所述第二弹性体连接。
作为优选方案，所述第一弹性件设有用于与喇叭本体卡接的环形槽，所述悬臂上设有与 所述环形槽相通的开口；所述喇叭本体上设有与所述环形槽相匹配的卡环；
所述卡环穿过所述开口与所述环形槽卡接；
所述第二弹性体设有用于与喇叭固定结构连接的通孔；所述喇叭固定结构设有与所述通孔相匹配的连接柱；所述连接柱穿过所述通孔，并通过紧固件拧紧。
作为优选方案，所述紧固件与所述第二弹性体在沿所述连接柱的轴向上上具有间隙。
本实用新型所提供的一种喇叭及其减震结构，第一弹性体和第二弹性体之间通过悬臂连接，该悬臂由弹性材料制成，本实施例通过设置悬臂将喇叭本体与喇叭固定结构形成非同轴的连接结构，使喇叭本体的震动产生的力无法直接传导到喇叭固定结构上，而是通过悬臂缓冲、过滤减弱后以较小的力的形式作用到固定结构件上，由此可大幅度减小由于喇叭的振幅较大所导致的机震。
附图说明
图1是背景技术的胶圈的立体图；
图2是背景技术的喇叭的局部剖视图；
图3是本实用新型的喇叭减震结构的立体图；
图4是本实用新型的喇叭的局部剖视图。
其中，1、胶圈；2、喇叭本体；3、喇叭固定结构；
10、第一弹性体；11、环形槽；20、第二弹性体；21、通孔；22、凸环；30、悬臂；31、第一开口；32、第二开口；40、喇叭本体；50、喇叭固定结构；51、连接柱；60、紧固件。
具体实施方式
下面结合附图和实施例，对本实用新型的具体实施方式作进一步详细描述。以下实施例用于说明本实用新型，但不用来限制本实用新型的范围。
如图3所示，本实用新型优选实施例的一种喇叭减震结构，其包括用于与喇叭本体连接的第一弹性体10和用于与喇叭固定结构连接的第二弹性体20，第一弹性体10和第二弹性体20之间通过悬臂30连接，该悬臂30由弹性材料制成，本实施例通过设置悬臂30将喇叭本体与喇叭固定结构形成非同轴的连接结构，使喇叭本体的震动产生的力F1无法直接传导到喇叭固定结构上，而是通过悬臂30缓冲、过滤减弱后以较小的力F2的形式作用到固定结构件上，由此可大幅度减小由于喇叭的振幅较大所导致的机震。
优选地，本实施例的第一弹性体10和第二弹性体20均为硅胶密封圈。
悬臂30的横截面为S形，S形的悬臂30可以进一步削弱喇叭的横向震动传导。
第二弹性体20设有用于与喇叭固定结构连接的通孔21，该通孔21的截面为多边形，由此可确保第一弹性体10与喇叭固定结构连接的牢固。此外，第一弹性体10设有用于与喇叭本体40卡接的环形槽11，悬臂30上设有与该环形槽11相通的第一开口31，该第一开口31的设置是为了方便第一弹性体10与喇叭本体40进行卡接。优选地，悬臂30上还设有第二开口32，该第二开口32与第一开口31之间设有隔离柱，第二开口32靠近第二弹性体20的一侧，通过合理设计第二开口32的间隙L1，可以改变悬臂30的刚度，从而实现搭配不同大小和功率的喇叭，如：针对重量较重或者功率较高的喇叭，可以相应地加大第二开口32的间隙L1；相反，针对重量较轻或功率较低的喇叭，可以相应地减小第二开口32的间隙L1。
为了提高第二弹性体20的缓冲效果，第二弹性体20的外表面设有至少一个凸环22，设置有凸环22的第二弹性体20相比于没有设置凸环22的光滑外表面的弹性体，其可以进一步削弱喇叭纵向上震动传导。优选地，凸环22设置为多个，该多个凸环22沿第二弹性体20的轴向依次设置。
如图4所示，本实用新型还提供一种喇叭，该喇叭包括喇叭本体40、喇叭固定结，50和上述的喇叭减震结构，其中，喇叭本体40和第一弹性体10连接，喇叭固定结构50与第二弹性体20连接，第一弹性体10和第二弹性体20之间通过悬臂30连接。具体地，第一弹性件设有用于与喇叭本体40卡接的环形槽11，悬臂30上设有与环形槽11相通的开口；喇叭本体40上设有与环形槽11相匹配的卡环；卡环穿过开口与环形槽11卡接。第二弹性体20设有用于与喇叭固定结构50连接的通孔21；喇叭固定结构50设有与通孔21相匹配的连接柱51；连接柱51的一端与喇叭固定结构50连接，连接柱51的另一端穿过通孔21，并通过紧固件60拧紧。
连接柱51的长度大于第二弹性体20的通孔21的长度，使得连接柱51的一端突出于第二弹性体20的通孔21，进而使得紧固件60与第二弹性体20在沿连接柱51的轴向上具有间隙L2，该间隙L2使得第二弹性件与紧固件60之间具有一定的缓冲距离，减小第二弹性体20与紧固件60的连接处的刚度，可进一步减弱力F2对喇叭固定结构的作用力。
综上，本实用新型所提供的一种喇叭及其减震结构，具有以下优点：
1、通过设置悬臂30将喇叭本体40与喇叭固定结构形成非同轴的连接结构，使喇叭本体40的震动产生的力F1无法直接传导到喇叭固定结构上，而是通过悬臂30缓冲、过滤减弱后以较小的力F2的形式作用到固定结构件上；
2、悬臂30的横截面为S形，S形的悬臂30可以进一步削弱喇叭的横向震动传导；
3、第一弹性件还设有第二开口32，通过合理设计第二开口32的间隙L1，可以改变悬臂30的刚度，从而实现搭配不同大小和功率的喇叭；
4、紧固件60与第二弹性体20在纵向上具有间隙L2，可进一步减弱力F2对喇叭固定结构的作用力。
以上所述仅是本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型技术原理的前提下，还可以做出若干改进和替换，这些改进和替换也应视为本实用新型的保护范围。

Claims (10)

  1. 一种喇叭减震结构，其特征在于，包括用于与喇叭本体连接的第一弹性体和用于与喇叭固定结构连接的第二弹性体，所述第一弹性体和第二弹性体之间通过悬臂连接，所述悬臂由弹性材料制成。
  2. 如权利要求1所述的喇叭减震结构，其特征在于，所述悬臂的横截面为S形。
  3. 如权利要求1或2所述的喇叭减震结构，其特征在于，所述第一弹性体设有用于与喇叭本体卡接的环形槽，所述悬臂上设有与所述环形槽相通的第一开口。
  4. 如权利要求1或2所述的喇叭减震结构，其特征在于，所述悬臂上还设有第二开口。
  5. 如权利要求1或2所述的喇叭减震结构，其特征在于，所述第二弹性体的外表面设有至少一个凸环。
  6. 如权利要求1或2所述的喇叭减震结构，其特征在于，所述第一弹性体和第二弹性体均为硅胶密封圈。
  7. 权利要求1或2所述的喇叭减震结构，其特征在于，所述第二弹性体设有用于与喇叭固定结构连接的通孔。
  8. 一种喇叭，其特征在于，包括喇叭本体、喇叭固定结构和如权利要求1-7任一项所述的喇叭减震结构，所述喇叭本体与所述第一弹性体连接，所述喇叭固定结构与所述第二弹性体连接。
  9. 如权利要求8所述的喇叭，其特征在于，所述第一弹性件设有用于与喇叭本体卡接的环形槽，所述悬臂上设有与所述环形槽相通的开口；所述喇叭本体上设有与所述环形槽相匹配的卡环；
    所述卡环穿过所述开口与所述环形槽卡接；
    所述第二弹性体设有用于与喇叭固定结构连接的通孔；所述喇叭固定结构设有与所述通孔相匹配的连接柱；所述连接柱穿过所述通孔，并通过紧固件拧紧。
  10. 如权利要求9所述的喇叭，其特征在于，所述紧固件与所述第二弹性体在沿所述连接柱的轴向上具有间隙。
PCT/CN2016/113753 2016-03-17 2016-12-30 喇叭和喇叭减震结构 Ceased WO2017157085A1 (zh)

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