Application device including an elastic member

Patent metadata

Field	Value
Publication number	US-12375858-B2
Application number	US-202017999878-A
Country	US
Kind code	B2
Filing date	Nov 7, 2020
Priority date	May 25, 2020
Publication date	Jul 29, 2025
Grant date	Jul 29, 2025

Abstract

Disclosed is an application device, comprising an elastic member group comprising a plurality of elastic members each comprises first and second connecting portions and a deformation portion therebetween, the first and second connecting portions are respectively connected to different members in the application device, the different members are movable or fixed relative to each other, the deformation portion is formed by extending from a first end to a second end in a straight line and/or a curve in same or different directions, forming manner and/or a cross-sectional size and/or material of at least one elastic member are different from other elastic members. The elastic members can be adaptively changed according to different internal environments of the application device, have good compatibility and are simple and convenient to manufacture, facilitate the thinning of products, maintain good compliance, provide sufficient displacement and do not affect the vibration of a vibration unit.

First claim

What is claimed is:

1. An application device comprising an elastic member group, the elastic member group comprises a plurality of elastic members, each of the elastic members comprises a first connecting portion, a second connecting portion, and a deformation portion between the first connecting portion and the second connecting portion, wherein the first connecting portion and the second connecting portion are respectively connected to different members in the application device, and the different members are movable relative to each other, or the different members are fixed relative to each other,
wherein each of the elastic members is bent in an S shape or a spiral shape as a whole, the deformation portion comprises a first end connected to one of the first connecting portion and the second connecting portion, and a second end connected to the other one of the first connecting portion and the second connecting portion,
wherein the deformation portion is formed by extending from the first end to the second end in a straight line and/or a curve in the same direction or in different directions, and
wherein a forming manner and/or material of at least one elastic member are different from those of remaining elastic members.

2. The application device of claim 1 , wherein in each elastic member, the deformation portion has a planar structure, and the deformation portion, the first connecting portion and the second connecting portion are located in the same horizontal plane.

3. The application device of claim 2 , wherein a plurality of elastic member groups are provided, the plurality of elastic member groups are arranged at intervals in a height direction of the application device, and all elastic members of each elastic member group are located in the same horizontal plane.

4. The application device of claim 1 , wherein the elastic member is formed by winding a wire, or punching a sheet.

5. The application device of claim 4 , wherein the elastic member group comprises at least one elastic member formed by winding a metal wire, and in the elastic member formed by winding the metal wire, cross-sectional sizes of the first connecting portion, the second connecting portion and the deformation portion are equal to each other.

6. The application device of claim 4 , wherein the elastic member group comprises at least one elastic member having an integrated punching structure,
wherein cross-sectional sizes of the first connecting portion, the second connecting portion and the deformation portion are equal to each other, or
wherein, in the elastic member having the integrated punching structure, areas adjacent to the first connecting portion and the second connecting portion of the deformation portion form two widen areas correspondingly, and an area of the deformation portion between the two widen areas forms a non-widen area, and a line width of the deformation portion in the widen area is larger than a line width of the deformation portion in the non-widen area.

7. The application device of claim 6 , wherein the deformation portion has an S-shaped bending structure formed by extending from the first end to the second end in the curve.

8. The application device of claim 7 , wherein a bending line segment is formed by bending the deformation portion once, and ends of two adjacent bending line segments are connected by a circular arc segment, and line widths of the circular arc segment and two bending line segments connected to the circular arc segment are equal or gradually change.

9. The application device of claim 8 , wherein line widths of the first connecting portion, the second connecting portion, and the bending line segment and the circular arc segment adjacent to the first connecting portion and the second connecting portion are larger than line widths of remaining bending line segments and remaining circular arc segments.

10. The application device of claim 8 , wherein an opening is formed at a position between two adjacent bending line segments opposite to the circular arc segment, the opening located in the non-widen area is provided with a damping member, and the damping member connects the two adjacent bending line segments.

11. The application device of claim 1 , wherein the application device further comprises a vibration unit, the elastic members are used to balance vibration of the vibration unit in a preset direction.

12. The application device of claim 11 , wherein one or more vibration units are provided, the vibration units are arranged in a vertical direction or a horizontal direction.

13. The application device of claim 11 , wherein the elastic member group comprises at least three elastic members, and the at least three elastic members are spaced apart from each other with a regular interval along a periphery of the vibration unit.

14. The application device of claim 13 , wherein two of the elastic members are conductors, the remaining elastic members are non-conductors.

15. The application device of claim 11 , further comprising a bracket,
wherein the vibration unit comprises a diaphragm and a voice coil connected to the diaphragm, the first connecting portion is connected to the voice coil, and the second connecting portion is connected to the bracket, and
wherein the bracket is a housing or a magnetic yoke.

16. The application device of claim 11 , further comprising a bracket,
wherein the vibration unit comprises a diaphragm, a voice coil and a cup, the voice coil and the cup are connected at the same side of the diaphragm, the first connecting portion is connected to the cup, and the second connecting portion is connected to the bracket, and
wherein the bracket is a housing or a magnetic yoke.

17. The application device of claim 1 , wherein each of the first connecting portion and the second connecting portion has a form of line segment.

Assignees

• Goertek Inc

Inventors

• Liu Chunfa
• Yang Jianbin
• Wang Jianxin
• Qiang Shousong

Classifications

• H04R9/043 Primary

  Inner suspension or damper, e.g. spider (outer suspension or surround H04R7/16) · CPC title

• H04R9/025 Primary

  Magnetic circuit · CPC title

• H04R7/26

  Damping by means acting directly on free portion of diaphragm or cone (air damping H04R1/28) · CPC title

• H04R9/06

  Loudspeakers · CPC title

• H04R9/045

  Mounting (H04R9/043 takes precedence) · CPC title