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CN-116866793-B - Shock-absorbing rectangular magnetic return assembly

CN116866793BCN 116866793 BCN116866793 BCN 116866793BCN-116866793-B

Abstract

A damping rectangular magnetic return assembly comprises a rectangular magnetic return assembly and a damping structure. The rectangular magnetic return assembly comprises a main magnetic plate, a magnetic conduction unit, a damping structure connecting part and a damping groove, wherein the magnetic conduction unit is arranged at the top of the main magnetic plate, the damping structure connecting part and the damping groove are arranged at the bottom of the main magnetic plate, the damping groove is arranged at the outer side of the damping structure connecting part, the damping structure comprises an annular horn seat butt joint part, a magnetic return assembly butt joint part, a first elastic connecting module and a second elastic connecting module, the magnetic return assembly butt joint part is arranged at the inner side of the annular horn seat butt joint part, the first elastic connecting module and the second elastic connecting module are connected between the annular horn seat butt joint part and the magnetic return assembly butt joint part, the magnetic return assembly butt joint part is connected to the damping structure connecting part, and the first elastic connecting module and the second elastic connecting module are arranged in the damping groove.

Inventors

  • LI BINGYU
  • WANG DEWU
  • NIU ZHILONG

Assignees

  • 东莞顺合丰电业有限公司

Dates

Publication Date
20260512
Application Date
20230811

Claims (13)

  1. 1. A shock absorbing rectangular magnetic return assembly comprising: The rectangular magnetic return assembly comprises a main magnetic plate, a magnetic conduction unit, a damping structure connecting part and at least one damping groove, wherein the magnetic conduction unit is arranged at the top of the main magnetic plate, the damping structure connecting part and the damping groove are arranged at the bottom of the main magnetic plate, and the damping groove is positioned at the outer side of the damping structure connecting part; A shock absorption structure comprising an annular horn seat butt joint part, a magnetic return assembly butt joint part, a first elastic connection module and a second elastic connection module, wherein the magnetic return assembly butt joint part is positioned at the inner side of the annular horn seat butt joint part, the first elastic connection module and the second elastic connection module are connected between two long side sides and two short side sides of the annular horn seat butt joint part and two long side sides and two short side sides of the magnetic return assembly butt joint part, the magnetic return assembly butt joint part is connected with the shock absorption structure connection part, the first elastic connection module and the second elastic connection module are arranged in the shock absorption groove, and The damping units are arranged between the butt joint part of the annular horn seat and the main magnetic plate or between the joint part of the butt joint part of the annular horn seat and the butt joint part of the horn seat, and the damping units are mutually symmetrical.
  2. 2. The rectangular magnetic return assembly of claim 1, wherein the number of the shock absorbing grooves is two, the two shock absorbing grooves are respectively arranged on two short sides of the main magnetic plate, the first elastic connecting module is arranged in one shock absorbing groove, and the second elastic connecting module is arranged in the other shock absorbing groove.
  3. 3. The damped rectangular magnetic return assembly of claim 2, wherein two of the damper slots are each U-shaped, with portions of each damper slot extending to two long sides of the main magnetic plate.
  4. 4. The rectangular magnetic circuit assembly according to claim 1, wherein the number of the shock absorbing grooves is one, the shock absorbing grooves are annular, the shock absorbing grooves are wound on the outer side of the shock absorbing structure connecting portion, the first elastic connecting module and the second elastic connecting module are arranged in the shock absorbing grooves, the first elastic connecting module is arranged on one short side of the main magnetic plate and two long sides of the main magnetic plate, and the second elastic connecting module is arranged on the other short side of the main magnetic plate and two long sides of the main magnetic plate.
  5. 5. The damped rectangular magnetic return assembly of claim 1, wherein the annular horn mount interface includes a plurality of attachment portions for coupling to a horn mount.
  6. 6. The shock absorbing rectangular magnetic return assembly of claim 1, wherein the first elastic connection module comprises at least one first short side spring arm, the second elastic connection module comprises at least one second short side spring arm, the first short side spring arm is symmetrical with the second short side spring arm, or the first elastic connection module comprises at least one first long side spring arm, the second elastic connection module comprises at least one second long side spring arm, and the first long side spring arm is symmetrical with the second long side spring arm.
  7. 7. The damped rectangular magnetic return assembly according to claim 6, wherein the number of first long side spring arms is two, the number of second long side spring arms is two, two first long side spring arms are adjacent to one short side of the magnetic return assembly interface, and two second long side spring arms are adjacent to the other short side of the magnetic return assembly interface.
  8. 8. The damped rectangular magnetic return assembly according to claim 6, wherein the number of first long side spring arms is two, the number of second long side spring arms is two, and the two first long side spring arms and the two second long side spring arms are adjacent to the middle of the abutting portion of the magnetic return assembly.
  9. 9. The shock absorbing rectangular magnetic return assembly of claim 6, wherein the first short side spring arm is connected between one short side of the annular horn housing interface and one short side of the magnetic return assembly interface, and the second short side spring arm is connected between the other short side of the annular horn housing interface and the other short side of the magnetic return assembly interface.
  10. 10. The shock absorbing rectangular magnetic return assembly of claim 6 wherein the first long side spring arm is connected between one long side of the annular horn mount interface and one long side of the magnetic return assembly interface and the second long side spring arm is connected between the other long side of the annular horn mount interface and the other long side of the magnetic return assembly interface.
  11. 11. The damped rectangular magnetic return assembly according to claim 6, wherein the number of the first short side spring arms is two, the number of the second short side spring arms is two, the two first short side spring arms are respectively U-shaped and have a first short side bending portion, the first short side bending portion is reversely arranged, the two second short side spring arms are respectively U-shaped and have a second short side bending portion, and the second short side bending portion is reversely arranged.
  12. 12. The shock absorbing rectangular magnetic return assembly according to claim 6, wherein the number of the first long-side spring arms is two, the number of the second long-side spring arms is two, the two first long-side spring arms are respectively in a U shape and provided with a first long-side bending part, the first long-side bending parts are arranged in the same direction, the two second long-side spring arms are respectively in a U shape and provided with a second long-side bending part, and the second long-side bending parts are arranged in the same direction.
  13. 13. The shock absorbing rectangular magnetic return assembly of claim 6 wherein each of the first long side spring arms is U-shaped and has a first long side bend, the ratio of the length of each of the first long side bends parallel to the long side of the annular horn mount interface to the length of one of the long sides parallel to the magnetic return assembly interface is 1.6:1 to 2.4:1, each of the second long side spring arms is U-shaped and has a second long side bend, and the ratio of the length of each of the second long side bends parallel to the long side of the annular horn mount interface to the length of one of the long sides parallel to the magnetic return assembly interface is 1.6:1 to 2.4:1.

Description

Shock-absorbing rectangular magnetic return assembly Technical Field The present invention relates to a rectangular magnetic return assembly, and more particularly to a rectangular magnetic return assembly capable of being assembled to a sound unit to achieve vibration absorption and isolation effects during operation. Background In the conventional speaker, the magnetic return assembly is usually assembled to the speaker seat of the speaker in a fixed manner, and since there is no buffer between the speaker seat and the magnetic return assembly, the speaker can directly transmit the vibration of the speaker to the housing of the electronic device in which the speaker is installed during operation, which causes discomfort to the user when using the electronic device. Therefore, how to develop a shock-absorbing rectangular magnetic return assembly to achieve the shock-absorbing and shock-isolating effects so as to avoid the discomfort of the user when using the electronic device is desired to be actively disclosed. Disclosure of Invention In view of the above-mentioned drawbacks of the prior art, the inventor has felt that they are not perfect, and have focused their attention on research and overcoming them, and further developed a shock-absorbing rectangular magnetic return assembly, so as to achieve the purpose of being assembled to a sound generating unit to form a speaker, and using a shock-absorbing structure as a buffer between the sound generating unit and the rectangular magnetic return assembly, so as to have the effects of shock absorption and shock isolation during operation, so as to avoid discomfort when users use the electronic device. To achieve the above and other objects, the present invention provides a rectangular magnetic return assembly with shock absorption, which comprises a rectangular magnetic return assembly and a shock absorption structure. The rectangular magnetic return assembly comprises a main magnetic plate, a magnetic conduction unit, a damping structure connecting part and at least one damping groove, wherein the magnetic conduction unit is arranged at the top of the main magnetic plate, the damping structure connecting part and the damping groove are arranged at the bottom of the main magnetic plate, the damping groove is arranged at the outer side of the damping structure connecting part, the damping structure comprises an annular horn seat butt joint part, a magnetic return assembly butt joint part, a first elastic connecting module and a second elastic connecting module, the magnetic return assembly butt joint part is arranged at the inner side of the annular horn seat butt joint part, the first elastic connecting module and the second elastic connecting module are connected between the two long side sides and the two short side sides of the annular horn seat butt joint part and the two long side sides and the two short side sides of the magnetic return assembly butt joint part, the magnetic return assembly butt joint part is connected to the damping structure connecting part, and the first elastic connecting module and the second elastic connecting module are arranged in the damping groove. In the above-mentioned shock attenuation formula rectangle magnetism back assembly, this shock attenuation groove quantity is two, and two shock attenuation grooves are located two minor face sides of this leading magnetic sheet respectively, and this first elastic connection module is located one of them shock attenuation groove, and this second elastic connection module is located another shock attenuation groove. In the damping rectangular magnetic return assembly, the two damping grooves are respectively U-shaped, and parts of the damping grooves extend to two long side sides of the main magnetic plate. In the above-mentioned shock-absorbing rectangular magnetic return assembly, the number of the shock-absorbing grooves is one, the shock-absorbing grooves are annular, the shock-absorbing grooves are wound on the outer sides of the shock-absorbing structure connecting parts, the first elastic connecting modules and the second elastic connecting modules are arranged in the shock-absorbing grooves, the first elastic connecting modules are arranged on one short side of the main magnetic plate and two long side sides of the main magnetic plate, and the second elastic connecting modules are arranged on the other short side of the main magnetic plate and two long side sides of the main magnetic plate. In the above-mentioned shock-absorbing rectangular magnetic return assembly, the annular horn seat butt-joint portion includes a plurality of assembling portions for being combined to a horn seat. In the shock-absorbing rectangular magnetic return assembly, the first elastic connection module comprises at least one first short-side elastic arm, the second elastic connection module comprises at least one second short-side elastic arm, the first short-side elastic arm is symmetrical with th