CN216217536U - High-frequency earphone sound membrane that dome structure is reinforceed - Google Patents
High-frequency earphone sound membrane that dome structure is reinforceed Download PDFInfo
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- CN216217536U CN216217536U CN202122517997.6U CN202122517997U CN216217536U CN 216217536 U CN216217536 U CN 216217536U CN 202122517997 U CN202122517997 U CN 202122517997U CN 216217536 U CN216217536 U CN 216217536U
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- ball top
- dome
- circumferential edge
- convex ribs
- annular convex
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- 239000012528 membrane Substances 0.000 title claims description 10
- 230000001154 acute effect Effects 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims 2
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
A high-frequency earphone sound film with a strengthened ball top structure comprises a ball top, a rebound ring connected with the circumferential edge of the ball top and a positioning ring connected with the circumferential edge of the rebound ring; the ball top is partially spherical, a plurality of annular convex ribs are convexly arranged on the outer convex surface of the ball top by taking the center of the ball top as the center of a circle, and the diameters of the annular convex ribs are gradually increased from the center close to the ball top to the circumferential edge close to the ball top; the outer convex surface of the top dome is also provided with a plurality of connecting convex ribs which extend from the position close to the center of the top dome obliquely towards the circumferential edge of the top dome, and the connecting convex ribs are connected with a plurality of annular convex ribs. The ball top is divided into a plurality of areas by the annular convex ribs, the connecting convex ribs are connected with the annular convex ribs, and each area is structurally strengthened, so that the structural strength and the product reliability of the ball top are improved, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of loudspeaker products, in particular to a high-frequency earphone sound film with a strengthened dome structure.
Background
Chinese patent CN200710074327.3 discloses a sound membrane structure of an electroacoustic device and a method for manufacturing the same. The sound membrane structure comprises a circular disc-shaped part 113 arranged at the central part of the sound membrane structure and a circular ring-shaped combining part 111 formed at the outer edge of the circular disc-shaped part, the combining part 111 is concentric with the disc-shaped part 113, a connecting part 112 for connecting the disc-shaped part 113 and the combining part 111 is formed between the disc-shaped part 113 and the combining part 111, the connecting part 112 is upwards tilted to form an arc shape, and the arrangement of the connecting part 112 and the disc-shaped part 113 can improve the rigidity of the central part of the vibrating membrane 11 and simultaneously improve the rigidity of the whole vibrating membrane 11. Because the vibration amplitude of the high-frequency earphone sound film is large, the ball top structure strength of the existing high-frequency earphone sound film is low, the product reliability is low, and the service life is short.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a sound membrane for a high frequency earphone with a strengthened dome structure, which divides the dome into a plurality of regions, strengthens the structure of each region, improves the structural strength and product reliability of the dome, and prolongs the service life of the dome.
A high-frequency earphone sound film with a strengthened ball top structure comprises a ball top, a rebound ring connected with the circumferential edge of the ball top and a positioning ring connected with the circumferential edge of the rebound ring; the ball top is partially spherical, a plurality of annular convex ribs are convexly arranged on the outer convex surface of the ball top by taking the center of the ball top as the center of a circle, and the diameters of the annular convex ribs are gradually increased from the center close to the ball top to the circumferential edge close to the ball top; the outer convex surface of the top dome is also provided with a plurality of connecting convex ribs which extend from the position close to the center of the top dome obliquely towards the circumferential edge of the top dome, and the connecting convex ribs are connected with a plurality of annular convex ribs.
Further, the number of the annular convex ribs is 3, and the spherical top is divided into four areas by the 3 annular convex ribs.
Further, the distance between two adjacent annular ribs is equal.
Furthermore, one end of the annular convex rib close to the center of the top of the ball protrudes out of the annular convex rib at the innermost side, and one end of the annular convex rib close to the circumferential edge of the top of the ball protrudes out of the annular convex rib at the outermost side.
Furthermore, a first acute angle is formed between the diameter of one end of the ball top, which is close to the circumferential edge of the ball top, through the connecting convex rib and the connecting convex rib, and the angle of the first acute angle is 5-30 degrees.
Further, the first acute angle is 10 degrees.
Further, the positioning ring is connected with the bottom of the circumferential edge of the rebound ring, and a step is formed at the connection position of the positioning ring and the rebound ring.
Furthermore, an elastic connecting ring is arranged between the ball top and the rebound ring, and the section of the elastic connecting ring is wave-shaped.
Compared with the prior art, the high-frequency earphone sound film with the strengthened spherical top structure comprises a spherical top, a rebound ring and a positioning ring, wherein the rebound ring is connected with the circumferential edge of the spherical top; the ball top is partially spherical, a plurality of annular convex ribs are convexly arranged on the outer convex surface of the ball top by taking the center of the ball top as the center of a circle, and the diameters of the annular convex ribs are gradually increased from the center close to the ball top to the circumferential edge close to the ball top; the outer convex surface of the top dome is also provided with a plurality of connecting convex ribs which extend from the position close to the center of the top dome obliquely towards the circumferential edge of the top dome, and the connecting convex ribs are connected with a plurality of annular convex ribs. The ball top is divided into a plurality of areas by the annular convex ribs, the connecting convex ribs are connected with the annular convex ribs, and each area is structurally strengthened, so that the structural strength and the product reliability of the ball top are improved, and the service life is prolonged.
Drawings
Embodiments of the utility model are described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of a high-frequency earphone sound film reinforced by a dome structure according to the present invention.
Fig. 2 is a schematic top view of the sound film of the high-frequency earphone reinforced by the dome structure according to the present invention.
Fig. 3 is a side sectional view of the sound membrane of the high-frequency earphone reinforced by the dome structure provided by the utility model.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Detailed Description
Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the utility model is not intended to limit the scope of the utility model.
Referring to fig. 1 to 3, the high frequency earphone sound film reinforced by the dome structure provided by the present invention includes a dome 10, a resilient ring 20 connected to a circumferential edge of the dome 10, and a positioning ring 40 connected to a circumferential edge of the resilient ring 20.
The shape of the dome 10 is a partial sphere, and a plurality of annular convex ribs 11 are protrudingly arranged on the outer convex surface of the dome 10 by taking the center of the dome 10 as the center of a circle. In this embodiment, the number of the annular ribs 11 is 3, and the diameters of the plurality of annular ribs 11 gradually increase from the center near the dome 10 to the circumferential edge near the dome 10, so that the dome 10 is divided into four regions. In the present embodiment, the distances between two adjacent annular ribs 11 are equal.
The dome 10 is further protrusively provided on an outer convex surface thereof with a plurality of coupling beads 12 extending obliquely from a position near the center of the dome 10 toward a circumferential edge of the dome 10. The connecting convex rib 12 is connected with a plurality of annular convex ribs 11, one end of each annular convex rib 11 close to the center of the dome 10 protrudes out of the annular convex rib 11 at the innermost side, and one end of each annular convex rib 11 close to the circumferential edge of the dome 10 protrudes out of the annular convex rib 11 at the outermost side. The four areas of the dome 10 are communicated in this way, so that the structural strength of the four areas of the dome 10 is enhanced, and meanwhile, the fact that the dome 10 is blocked due to the plurality of annular convex ribs 11 is avoided, and the reduction of linear performance is avoided.
In the present embodiment, a first acute angle a is formed between the diameter of the ball top 10 passing through one end of the connecting rib 12 near the circumferential edge of the ball top 10 and the connecting rib 12, and the angle of the first acute angle a is 5 to 30 degrees, preferably 10 degrees.
The positioning ring 40 is coupled to the bottom of the circumferential edge of the rebound ring 20 to form a step 21 at the junction of the positioning ring 40 and the rebound ring 20, which can reduce interference or adverse effects of shaking of the components coupled to the positioning ring 40 on the operation of the ball top 10 and the rebound ring 20.
Referring to fig. 4, an elastic connection ring 30 is disposed between the dome 10 and the resilient ring 20, and the elastic connection ring 30 has a wave-shaped cross section, so as to increase the flexibility and elasticity of the connection between the dome 10 and the resilient ring 20 and to play a role of buffering during vibration.
Under the condition of a high-leakage test cavity, the bandwidth is 140-20 KHz.
Compared with the prior art, the high-frequency earphone sound film reinforced by the dome structure comprises a dome 10, a rebound ring 20 connected with the circumferential edge of the dome 10 and a positioning ring 40 connected with the circumferential edge of the rebound ring 20; the shape of the dome 10 is a partial sphere, a plurality of annular convex ribs 11 are convexly arranged on the outer convex surface of the dome 10 by taking the center of the dome 10 as the center of a circle, and the diameters of the plurality of annular convex ribs 11 are gradually increased from the center close to the dome 10 to the circumferential edge close to the dome 10; the outer convex surface of the dome 10 is further provided with a plurality of connecting ribs 12 which extend from a position close to the center of the dome 10 obliquely towards the circumferential edge of the dome 10 in a protruding manner, and the connecting ribs 12 are connected with a plurality of annular ribs 11. The plurality of annular convex ribs 11 divide the dome 10 into a plurality of areas, the connecting convex ribs 12 are connected with the plurality of annular convex ribs 11, each area is structurally strengthened, the structural strength and the product reliability of the dome 10 are improved, and the service life is prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.
Claims (8)
1. The utility model provides a high frequency earphone sound membrane that dome structure is reinforceed which characterized in that: comprises a ball top, a rebound ring connected with the circumferential edge of the ball top and a positioning ring connected with the circumferential edge of the rebound ring; the ball top is partially spherical, a plurality of annular convex ribs are convexly arranged on the outer convex surface of the ball top by taking the center of the ball top as the center of a circle, and the diameters of the annular convex ribs are gradually increased from the center close to the ball top to the circumferential edge close to the ball top; the outer convex surface of the top dome is also provided with a plurality of connecting convex ribs which extend from the position close to the center of the top dome obliquely towards the circumferential edge of the top dome, and the connecting convex ribs are connected with a plurality of annular convex ribs.
2. The dome structure reinforced high frequency earphone sound film as claimed in claim 1, wherein: the quantity of annular protruding muscle is 3, and 3 annular protruding muscle divide into four regions with the dome.
3. The dome structure reinforced high frequency earphone sound film as claimed in claim 1, wherein: the distance between two adjacent annular convex ribs is equal.
4. The dome structure reinforced high frequency earphone sound film as claimed in claim 1, wherein: one end of the annular convex rib close to the center of the ball top protrudes out of the annular convex rib at the innermost side, and one end of the annular convex rib close to the circumferential edge of the ball top protrudes out of the annular convex rib at the outermost side.
5. The dome structure reinforced high frequency earphone sound film as claimed in claim 1, wherein: a first acute angle is formed between the diameter of one end of the ball top, which is close to the circumferential edge of the ball top, through the connecting convex rib and the connecting convex rib, and the angle of the first acute angle is 5-30 degrees.
6. The dome structure reinforced high frequency earphone sound film as claimed in claim 5, wherein: the first acute angle is 10 degrees.
7. The dome structure reinforced high frequency earphone sound film as claimed in claim 1, wherein: the positioning ring is connected with the bottom of the circumferential edge of the rebound ring, and a step is formed at the connection position of the positioning ring and the rebound ring.
8. The dome structure reinforced high frequency earphone sound film as claimed in claim 1, wherein: an elastic connecting ring is arranged between the ball top and the rebound ring, and the section of the elastic connecting ring is wave-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122517997.6U CN216217536U (en) | 2021-10-19 | 2021-10-19 | High-frequency earphone sound membrane that dome structure is reinforceed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122517997.6U CN216217536U (en) | 2021-10-19 | 2021-10-19 | High-frequency earphone sound membrane that dome structure is reinforceed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216217536U true CN216217536U (en) | 2022-04-05 |
Family
ID=80884560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122517997.6U Expired - Fee Related CN216217536U (en) | 2021-10-19 | 2021-10-19 | High-frequency earphone sound membrane that dome structure is reinforceed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216217536U (en) |
-
2021
- 2021-10-19 CN CN202122517997.6U patent/CN216217536U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A High Frequency Earphone Sound Film Strengthened by a Ball Top Structure Effective date of registration: 20230311 Granted publication date: 20220405 Pledgee: Agricultural Bank of China Limited Zhejiang Yangtze River Delta integration demonstration zone sub branch Pledgor: JIASHAN YUDA ELECTRONICS Co.,Ltd. Registration number: Y2023980034679 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220405 |