CN218550145U - Bone conduction earphone sound production structure - Google Patents
Bone conduction earphone sound production structure Download PDFInfo
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- CN218550145U CN218550145U CN202223083827.2U CN202223083827U CN218550145U CN 218550145 U CN218550145 U CN 218550145U CN 202223083827 U CN202223083827 U CN 202223083827U CN 218550145 U CN218550145 U CN 218550145U
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- casing
- cup
- bone conduction
- rubber layer
- shell
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 42
- 239000012790 adhesive layer Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 235000014676 Phragmites communis Nutrition 0.000 abstract description 13
- 230000004044 response Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 4
- 239000012141 concentrate Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 210000003027 ear inner Anatomy 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 210000004880 lymph fluid Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000002985 organ of corti Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
A bone conduction headset sound emitting structure, comprising: first casing, trembler, U cup, magnet, coil and second casing, first casing is fixed to be set up on the second casing, the coil sets up on the terminal surface that the second casing is close to first casing, the trembler includes: the vibrating reed comprises a vibrating reed body, an outer ring and a plurality of connecting arms for connecting the vibrating reed body and the outer ring, wherein the outer ring is wholly or partially embedded into the inner wall of the first shell, the vibrating reed body is fixedly connected with the U cup, the magnet is arranged in the cavity of the U cup, and a gap matched with the coil is limited between the magnet and the cavity of the U cup. The beneficial effects of the utility model reside in that, can effectually reduce the size of sound production structure, but also can the stability of effectual improvement product, in drop test, fall the number of times safely and increase to thirty or more times within the ten, the reliability is showing and is improving, and moreover the glue film can let the vibration concentrate on the middle part effectively, lets frequency response and frequency width more balanced simultaneously.
Description
Technical Field
The utility model belongs to apart from the detection device field, concretely relates to bone conduction earphone sound production structure.
Background
Bone conduction is a sound conduction mode, that is, sound is converted into mechanical vibration with different frequencies, and sound waves are transmitted through the skull, the bone labyrinth, the lymph fluid of the inner ear, the spiral organ and the auditory center of a human body. The sound production structure is a core component of the bone conduction sound production device and is used for converting an electric signal into a mechanical signal and producing mechanical vibration to output sound.
In the prior art, patent application No. 202110775112.4 discloses a bone conduction sound generating device based on the purpose of simplifying structure and miniaturization, but the structure still has some problems in the use process, one of which is limited in miniaturization, the arrangement mode of the elastic sheets causes the occupied space of the whole layout to be limited, the structure cannot be made smaller, the stability of the structure is poor, external impact can be directly transmitted to the elastic sheets and the magnets through the shell, the elastic sheets and the magnets can be greatly shaken and impacted on the shell or other parts, the earphone is generally more commonly dropped on the ground carelessly, and the vibration sheets or the magnets can be damaged after being dropped for a plurality of times, so that the earphone loses functions.
There is still room for improvement based on a simplified structure and miniaturized layout scheme of the bone conduction sound emitting device.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a bone conduction earphone sound production structure.
The utility model adopts the following technical scheme:
a bone conduction headset sound emitting structure, comprising: first casing, trembler, U cup, magnet, coil and second casing, first casing is fixed to be set up on the second casing, the coil sets up on the second casing is close to the terminal surface of first casing, the trembler includes: the vibrating reed comprises a vibrating reed body, an outer ring and a plurality of connecting arms for connecting the vibrating reed body and the outer ring, wherein the outer ring is wholly or partially embedded into the inner wall of the first shell, the vibrating reed body is fixedly connected with the U cup, the magnet is arranged in a cavity of the U cup, and a gap matched with the coil is limited between the magnet and the cavity of the U cup.
Optionally, the edge of the outer ring is provided with a plurality of notch portions.
Optionally, the outer wall of the U cup is matched with the inner wall of the first shell in shape, and the gap between the U cup and the first shell is less than 0.5mm.
Optionally, the bone conduction earphone sound production structure further includes: the casing support and attached glue film on the casing support.
Optionally, the housing bracket is provided with an opening portion adapted and fixedly connected with the end portion of the second housing.
Optionally, the adhesive layer is attached to the surface of the housing support and the surface of the second housing.
Optionally, a steel sheet is disposed between the glue layer and the second housing.
Optionally, the glue layer comprises: the first rubber layer is attached to the surface of the second shell, the second rubber layer is attached to the surface of the shell support and covers the first rubber layer, and the surface hardness of the first rubber layer is higher than that of the second rubber layer.
Optionally, the glue layer comprises: the third rubber layer is attached to the surface of the shell support and the surface of the second shell, the fourth rubber layer is attached to the area, corresponding to the second shell, of the third silica gel layer, and the surface hardness of the fourth rubber layer is higher than that of the third rubber layer.
The beneficial effects of the utility model reside in that, can effectually reduce the size of sound production structure, but also can the stability of effectual improvement product, in drop test, fall the number of times safely and increase to thirty or more times within the ten, the reliability is showing and is improving, and moreover the glue film can let the vibration concentrate on the middle part effectively, lets frequency response and frequency width more balanced simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic view of the vibrating reed of the present invention;
FIG. 4 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 5 is a schematic view of a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of a fourth embodiment of the present invention;
fig. 7 is a schematic structural diagram of the fifth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The first embodiment is as follows:
as shown in fig. 1-3, a bone conduction earphone sound production structure includes: first casing 1, trembler 2, U cup 3, magnet 4, coil 5 and second casing 6, first casing 1 is fixed to be set up on second casing 6, coil 5 sets up on second casing 6 is close to the terminal surface of first casing 1, trembler 2 includes: the vibrating reed comprises a vibrating reed body 21, an outer ring 22 and a plurality of connecting arms 23 for connecting the vibrating reed body 21 and the outer ring 22, wherein the outer ring 22 is wholly or partially embedded in the inner wall of the first shell 1, the vibrating reed body 21 is fixedly connected with the U cup 3, the magnet 4 is arranged in a concave cavity of the U cup 3, and a gap 31 matched with the coil 5 is defined between the magnet 4 and the concave cavity of the U cup 3.
The above arrangement allows the saved layout space to be used for arranging the connecting arms 23 by embedding the outer ring 22 of the vibrating piece 2 into the first case 1, thereby effectively reducing the overall size of the sounding structure. Meanwhile, the first shell 1 has a protection effect on the internal structure, the first shell restrains the moving range of the connecting arm 23 and the magnet, so that the first shell and the second shell do not move greatly when vibrated, the stability can be effectively improved, and the first shell and the second shell are separated to be beneficial to processing and can be combined together after corresponding parts are installed.
As shown in fig. 3, the edge of the outer ring 22 is provided with a plurality of notches 221, so that the edge of the outer ring 22 is formed in a staggered shape, which is used to increase the contact area between the outer ring 22 and the first housing 1, and the outer ring is more firmly combined during injection molding, and is more favorable for transmitting vibration.
Preferably, the outer ring 22 is embedded into the inner wall of the first housing 1, so that the outer ring can be embedded into the first housing 1 to form a whole, the end of the connecting arm 23 can directly transmit vibration to the first housing 1, the vibration can be effectively transmitted, and the overall size of the sounding structure can be reduced, so that the sounding part of the earphone can be smaller. The outer ring 22 and the first housing 1 can be integrally molded during production.
As shown in fig. 1 and 2, the outer wall of the U-cup 3 is matched with the inner wall of the first shell 1 in shape, and the gap 31 between the U-cup 3 and the first shell 1 is less than 0.5mm.
The second embodiment:
as shown in fig. 4, this embodiment is substantially the same as embodiment 1, except that the sound generating structure of the bone conduction earphone further includes: casing support 7 and attached glue film 8 on casing support 7, further, be provided with on casing support 7 with the opening 71 of second casing 6 tip adaptation and fixed connection, glue film 8 is attached on the surface of casing support 7 and second casing 6.
Example three:
as shown in fig. 5, this embodiment is substantially the same as embodiment 2 described above, except that a steel sheet 9 is provided between the adhesive layer 8 and the second housing 6 for increasing the conduction efficiency.
Example four:
as shown in fig. 6, this embodiment is substantially the same as embodiment 2, except that the adhesive layer 8 includes: the rubber cover comprises a first rubber layer 81 and a second rubber layer 82, wherein the first rubber layer 81 is attached to the surface of the second shell 6, the second rubber layer 82 is attached to the surface of the shell support 7 and covers the first rubber layer 81, and the surface hardness of the first rubber layer 81 is higher than that of the second rubber layer 82. This arrangement allows the vibration to be effectively concentrated in the middle while allowing the frequency response and bandwidth to be more balanced.
Example five:
as shown in fig. 7, this embodiment is substantially the same as embodiment 2, except that the glue layer 8 includes: the third rubber layer 83 is attached to the surfaces of the shell support 7 and the second shell 6, the fourth rubber layer 84 is attached to the area, corresponding to the second shell 6, on the third silica gel layer, and the surface hardness of the fourth rubber layer 84 is higher than that of the third rubber layer 83. This arrangement allows the vibration to be effectively concentrated in the middle while allowing the frequency response and bandwidth to be more balanced.
The beneficial effects of the utility model reside in that, can effectually reduce the size of sound production structure, but also can the stability of effectual improvement product, in drop test, fall the number of times safely and increase to thirty or more times within the ten, the reliability is showing and is improving, and moreover the glue film can let the vibration concentrate on the middle part effectively, lets frequency response and frequency width more balanced simultaneously.
Claims (9)
1. A bone conduction earphone sound production structure which characterized in that includes: first casing (1), trembler (2), U cup (3), magnet (4), coil (5) and second casing (6), first casing (1) is fixed to be set up on second casing (6), coil (5) set up on second casing (6) are close to the terminal surface of first casing (1), trembler (2) include: trembler body (21), outer lane (22) and a plurality of linking arm (23) of connecting trembler body (21) and outer lane (22), outer lane (22) are whole or partial imbeds in the inner wall of first casing (1), trembler body (21) and U cup (3) fixed connection, magnet (4) set up in the cavity of U cup (3), be injectd between the cavity of magnet (4) and U cup (3) and have and coil (5) matched with clearance (31).
2. The bone conduction earphone sound emission structure according to claim 1, wherein an edge of the outer ring (22) is provided with a plurality of notch portions (221).
3. Bone conduction earphone sound production structure according to claim 1, characterized in that the outer wall of the U-cup (3) is form-fitted to the inner wall of the first housing (1), and the gap (31) between the U-cup (3) and the first housing (1) is less than 0.5mm.
4. The bone conduction headset sound emitting structure of claim 1, further comprising: a shell support (7) and an adhesive layer (8) attached to the shell support (7).
5. The bone conduction earphone sound emission structure according to claim 4, wherein the housing holder (7) is provided with an opening (71) adapted and fixedly connected with an end of the second housing (6).
6. Bone conduction earphone sound production structure according to claim 4, characterized in that the glue layer (8) is attached to the surface of the housing support (7) and the second housing (6).
7. Bone conduction earphone sound production structure according to claim 4, characterized in that a steel sheet (9) is arranged between the glue layer (8) and the second housing (6).
8. Bone conduction earphone sound emitting structure according to claim 4, characterized in that the glue layer (8) comprises: the rubber sealing device comprises a first rubber layer (81) and a second rubber layer (82), wherein the first rubber layer (81) is attached to the surface of the second shell (6), the second rubber layer (82) is attached to the surface of the shell support (7) and covers the first rubber layer (81), and the surface hardness of the first rubber layer (81) is higher than that of the second rubber layer (82).
9. Bone conduction earphone sound emitting structure according to claim 4, characterized in that the glue layer (8) comprises: the third rubber layer (83) is attached to the surfaces of the shell support (7) and the second shell (6), the fourth rubber layer (84) is attached to the area, corresponding to the second shell (6), of the third silica gel layer, and the surface hardness of the fourth rubber layer (84) is higher than that of the third rubber layer (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223083827.2U CN218550145U (en) | 2022-11-21 | 2022-11-21 | Bone conduction earphone sound production structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223083827.2U CN218550145U (en) | 2022-11-21 | 2022-11-21 | Bone conduction earphone sound production structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218550145U true CN218550145U (en) | 2023-02-28 |
Family
ID=85263627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223083827.2U Active CN218550145U (en) | 2022-11-21 | 2022-11-21 | Bone conduction earphone sound production structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218550145U (en) |
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2022
- 2022-11-21 CN CN202223083827.2U patent/CN218550145U/en active Active
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