CN216700311U - Vibrating reed for bone conduction loudspeaker - Google Patents
Vibrating reed for bone conduction loudspeaker Download PDFInfo
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- CN216700311U CN216700311U CN202220207728.1U CN202220207728U CN216700311U CN 216700311 U CN216700311 U CN 216700311U CN 202220207728 U CN202220207728 U CN 202220207728U CN 216700311 U CN216700311 U CN 216700311U
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Abstract
The utility model relates to a vibrating reed for a bone conduction loudspeaker, and relates to the technical field of bone conduction earphones. The vibrating reed comprises an annular runway-shaped fixing part, a vibrating part and a connecting part capable of connecting the fixing part and the vibrating part. The vibration part can generate vibration and transmit the generated vibration to the fixing part through the connecting part. The connecting part comprises an even number of connecting arms, the even number of connecting arms are symmetrically arranged relative to the long axis and the short axis of the fixing part, one end of each connecting arm is connected with the vibrating part, and the other end of each connecting arm is connected with the fixing part. The fixing part and the vibrating part are connected through the even number of connecting parts, so that the connecting parts are symmetrically distributed relative to the long axis and the short axis of the fixing part, symmetry is obtained for the annular runway-shaped bone conduction loudspeaker, the vibration stability of the rotor can be effectively improved through the arrangement of the symmetrical connecting arms, distortion is improved, and the using effect of the bone conduction earphone is improved.
Description
Technical Field
The utility model relates to the technical field of bone conduction earphones, in particular to a vibrating reed for a bone conduction loudspeaker.
Background
Bone conduction speakers primarily conduct sound through the bone conduction principle. The air conduction speaker has the advantage of high audio frequency separation and reproduction. At present, a bone conduction earphone is provided with an earphone loudspeaker, and sound waves are transmitted by the earphone loudspeaker and carriers of skull, inner ear lymph, auditory nerves and the like of a person, so that the person can hear the sound. The bone conduction earphone is used, the earphone does not need to be plugged in the ear, the ear can be opened, the damage to the eardrum of the ear can be reduced, and the sound of the other party can be clearly heard even in noisy conditions.
Along with the improvement of living standard, the requirement of people on living quality is higher and higher, the requirement on the tone quality of the bone conduction earphone is gradually improved, the existing bone conduction loudspeaker generally strengthens the using effect of the bone conduction earphone by increasing the contact area of human skeleton and the bone conduction loudspeaker, so that the vibrating plate in the bone conduction loudspeaker needs to be designed into a track-shaped vibrating plate outer frame, meanwhile, the current vibrating plate adopts a centrosymmetric three-bent-arm design, the track-shaped vibrating plate outer frame is matched with the vibrating plate with the three bent arms, the vibration stability of a rotor is poor, and the rotor is easy to distort.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the present invention provides a vibrating reed for a bone conduction speaker, which solves the technical problems that the prior vibrating reed adopts a center-symmetric three-bent-arm design, and the three-bent-arm design of the ring-shaped racetrack-shaped vibrating reed is difficult to obtain symmetry, so that the vibration stability of a mover of the vibrating reed is easy to distort.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the main technical scheme that:
on one hand, the vibrating piece for the bone conduction loudspeaker comprises a fixing part which is arranged on an outer ring and is in an annular runway shape, a vibrating part which is arranged on an inner ring, and a connecting part which can connect the fixing part and the vibrating part;
the vibration part can generate vibration and transmit the generated vibration to the fixing part through the connecting part;
the connecting part comprises an even number of connecting arms, the even number of connecting arms are symmetrically arranged relative to the long axis and the short axis of the fixing part, one end of each connecting arm is connected with the vibrating part, and the other end of each connecting arm is connected with the fixing part.
Optionally, the connecting portion comprises four connecting arms.
Optionally, the connecting arm includes a first arc-shaped segment, a second arc-shaped segment, a third arc-shaped segment and a fourth arc-shaped segment which are sequentially arranged;
one end of the first arc-shaped section is connected with the vibration part, and the other end of the first arc-shaped section is connected with the second arc-shaped section; one end of the fourth arc-shaped section is connected with the position, close to the short shaft, of the fixing part, and the other end of the fourth arc-shaped part is connected with the third arc-shaped section.
Optionally, at least part of the first arc-shaped segment protrudes towards one side of the fixing part; at least part of the second arc-shaped section protrudes towards one side of the long shaft where the fixing part is located; at least a portion of the third arcuate segment projects toward one side of the fixed portion; the fourth arc-shaped section protrudes toward the vibrating portion side.
Optionally, the arc length of the first arc segment is less than the sum of the arc lengths of the third arc segment and the fourth arc segment.
Optionally, the radius of the first arc-shaped section is 3 mm-5 mm;
the radius of the second arc-shaped section is 0.3-0.8 mm;
the radius of the third arc-shaped section is 1.5 mm-3 mm;
the radius of the fourth arc-shaped section is 2.4 mm-4.2 mm.
Optionally, the total length of the connecting arm is 8mm to 12 mm; the width of the connecting arm 3 is 0.2 mm-0.4 mm.
Optionally, the vibrating portion is a rectangular connecting portion;
the center of the rectangular connecting part is provided with a mounting hole which is coaxial with the fixing part;
and one ends of the four first arc-shaped sections are respectively connected with four top angles of the rectangular connecting part.
In another aspect, a bone conduction speaker includes the vibrating plate.
Optionally, the device further comprises a mover and a stator; the vibrating part is fixedly connected with a rotor of the bone conduction loudspeaker through a bolt; the fixing part is fixedly connected to a stator of the bone conduction speaker.
(III) advantageous effects
The utility model has the beneficial effects that: according to the vibrating plate for the bone conduction loudspeaker, the even number of the connecting parts are adopted to connect the fixing part and the vibrating part, so that the connecting parts are distributed in a central symmetry mode relative to the fixing part, symmetry is obtained for the annular runway-shaped bone conduction loudspeaker, the arrangement of the symmetrical connecting arms can effectively improve vibration stability of the rotor, distortion is improved, and the using effect of the bone conduction earphone is improved.
Drawings
Fig. 1 is a front view schematically illustrating a vibrating plate for a bone conduction speaker according to the present invention;
fig. 2 is a schematic structural diagram of a vibrating plate in the related art.
[ description of reference ]
1: a fixed part; 2: a vibrating section; 3: a connecting arm; 4: mounting holes; 5: a first arcuate segment; 6: a second arcuate segment; 7: a third arc segment; 8: a fourth arc segment.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
At present, referring to fig. 2, the vibrating plate is in a track shape, but if the existing three bending arms are adopted, the symmetry of the three bending arms is difficult to realize.
Referring to fig. 1, a bone conduction speaker according to an embodiment of the present invention includes a vibrating plate. The motor also comprises a rotor and a stator. The vibrating part of the vibrating reed is fixedly connected with the rotor of the bone conduction loudspeaker through a bolt. The fixing part 1 is fixedly connected to a stator of the bone conduction speaker.
The vibrating reed for the bone conduction speaker comprises a fixing part 1 which is arranged on an outer ring and is in an annular runway shape, and the fixing part 1 is fixedly connected to a stator of the bone conduction speaker. The vibrating piece further comprises a vibrating part 2 arranged on the inner ring, and the vibrating part 2 is fixedly connected to the rotor of the bone conduction loudspeaker through a bolt. The vibration part comprises a fixed part 1 and a vibration part 2, and is characterized by further comprising a connecting part which is arranged between the outer ring and the inner ring and can connect the fixed part and the vibration part. During operation, the vibration of the rotor is transmitted to the stator of the bone conduction loudspeaker through the rectangular connecting parts and the four connecting arms 3, so that the vibration is generated.
Note that an isotropic material (homogeneous material) is formed. Here, the "isotropic material (homogeneous material)" means a material in which the transmission speed of sound is almost equal (isotropic) in all directions within the vibrating piece, unlike wood or the like in which the transmission speed of sound differs depending on the fiber direction and the non-fiber direction. For example, in the present embodiment, the "isotropic material" includes paper such as pulp, plastic such as polypropylene, metal such as aluminum, and the like, but is not limited to these materials.
The vibration part 2 is capable of generating vibration and transmitting the generated vibration to the fixing part 1 through the connecting part.
The connecting part comprises an even number of connecting arms 3, the even number of connecting arms 3 are symmetrically arranged relative to a long axis C-C and a short axis E-E of the fixing part 1, one end of each connecting arm 3 is connected with the vibrating part 2, and the other end of each connecting arm 3 is connected with the fixing part 1.
According to the vibrating piece for the bone conduction loudspeaker, the even number of connecting parts are adopted to connect the fixing part 1 and the vibrating part 2, so that the connecting parts are symmetrically distributed relative to the long axis C-C and the short axis E-E of the fixing part, symmetry is obtained for the annular runway-shaped bone conduction loudspeaker, and the arrangement of the symmetrical connecting arms 3 can effectively improve vibration stability of the rotor, improve distortion and improve using effect of a bone conduction earphone.
Further, the connecting portion includes four connecting arms 3. The arrangement of the four connecting arms 3 is more beneficial to the layout of the connecting parts, so that the space is reasonably occupied, and the vibration effect and the conduction effect of the vibration part 2 are ensured to be optimal.
Further, the connecting arm 3 comprises a first arc-shaped section 5, a second arc-shaped section 6, a third arc-shaped section 7 and a fourth arc-shaped section 8 which are arranged in sequence.
One end of the first arc-shaped section 5 is connected with the vibrating part 2, and the other end of the first arc-shaped section 5 is connected with the second arc-shaped section 6. One end of the fourth arc-shaped section 8 is connected with the position of the fixing part 1 close to the short axis E-E, and the other end of the fourth arc-shaped part is connected with the third arc-shaped section 7. The arrangement of four arc sections can ensure the transmission effect of vibration and ensure that the vibration is not easy to distort.
Further, at least a part of the first arc-shaped segment 5 protrudes toward the side of the fixing portion 1. At least a part of the second arc-shaped segment 6 protrudes toward the side of the major axis C-C where the fixing portion 1 is located. At least part of the third arc-shaped segment 7 protrudes towards one side of the fixation part 1. The fourth arc-shaped segment 8 protrudes toward the vibrating portion 2 side. The rotor and the stator are prevented from interfering with each other during vibration, and the stability of the rotor vibration is improved.
Further, the arc length of the first arc segment 5 is smaller than the sum of the arc lengths of the third arc segment 7 and the fourth arc segment 8. To make the spatial arrangement more compact.
Further, the radius of the first arc-shaped section 5 is 3 mm-5 mm.
The radius of the second arc-shaped section 6 is 0.3 mm-0.8 mm.
The radius of the third arc-shaped section 7 is 1.5 mm-3 mm.
The radius of the fourth arc-shaped section 8 is 2.4 mm-4.2 mm.
Further, the total length of the connecting arm 3 is 8mm to 12 mm. The width of the connecting arm 3 is 0.2 mm-0.4 mm. In the above numerical range, the aesthetic property and the space utilization rate of the connecting arm 3 are both optimal settings, and the connecting arm 3 is relatively stable, so that the phenomenon of deviation is avoided, and the stability of the connecting arm 3 is improved.
Further, the vibrating portion 2 is a rectangular connecting portion. The rectangular connecting portion can better adapt to the formation of four connecting arms 3, and the rectangular connecting portion is fixed mutually through the bolt with power in the shaping of being convenient for, has strengthened area of contact, and then makes the better conduction of active cell vibration to rectangular connecting portion.
The center of the rectangular connecting part is provided with a mounting hole 4, and the mounting hole 4 is coaxially arranged with the fixing part 1.
One end of each of the four first arc-shaped sections 5 is connected with four top corners of the rectangular connecting part respectively.
Furthermore, the rectangular connecting part is fixedly connected with a rotor of the bone conduction loudspeaker through a bolt; the fixing part 1 is fixedly connected to a stator of the bone conduction speaker. The bolt is simple in detachable connection mode and convenient to install and replace.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either internal to the two elements or in an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and not to be construed as limiting the present invention and that those skilled in the art may make modifications, alterations, substitutions and alterations to the above embodiments within the scope of the present invention.
Claims (10)
1. A vibrating reed for bone conduction loudspeaker, including setting up in the outer lane, and take the form of the fixing part (1) of the shape of the cyclic racetrack, characterized by that, the said vibrating reed also includes the vibrating part (2) that sets up in the inner lane and links the said fixing part (1) and said vibrating part (2);
the vibration part (2) can generate vibration and transmit the generated vibration to the fixing part (1) through the connecting part;
the connecting portion comprises an even number of connecting arms (3), the even number of connecting arms (3) are symmetrically arranged relative to the center of the fixing portion (1), one ends of the connecting arms (3) are connected with the vibrating portion (2), and the other ends of the connecting arms (3) are connected with the fixing portion (1).
2. The vibrating plate for a bone conduction speaker according to claim 1, wherein the connecting portion includes four connecting arms (3).
3. The vibrating plate for a bone conduction speaker according to claim 2, wherein the connection arm (3) includes a first arc-shaped section (5), a second arc-shaped section (6), a third arc-shaped section (7) and a fourth arc-shaped section (8) which are connected in this order;
one end of the first arc-shaped section (5) is connected with the vibration part (2), and the other end of the first arc-shaped section (5) is connected with the second arc-shaped section (6); one end of the fourth arc-shaped section (8) is connected with the fixing part (1), the fixing part is provided with a long shaft and a short shaft, the fourth arc-shaped section (8) is connected with the position, close to the short shaft, of the fixing part (1), and the other end of the fourth arc-shaped section is connected with the third arc-shaped section (7).
4. The vibrating plate for a bone conduction speaker according to claim 3, wherein at least a part of the first arc-shaped section (5) protrudes toward a side of the fixing portion (1); at least part of the second arc-shaped section (6) protrudes towards one side of the long axis where the fixing part (1) is located; at least part of the third arc-shaped segment (7) protrudes towards one side of the fixed part (1); the fourth arc-shaped section (8) protrudes towards one side of the vibrating part (2).
5. The vibration plate for a bone conduction speaker according to claim 4, wherein an arc length of the first arc segment (5) is smaller than a sum of arc lengths of the third arc segment (7) and the fourth arc segment (8).
6. The vibrating plate for a bone conduction speaker according to claim 5, wherein the first arc-shaped section (5) is located at a radius of 3mm to 5 mm;
the radius of the second arc-shaped section (6) is 0.3-0.8 mm;
the radius of the third arc-shaped section (7) is 1.5-3 mm;
the radius of the fourth arc-shaped section (8) is 2.4-4.2 mm.
7. The vibrating plate for a bone conduction speaker according to claim 6, wherein the overall length of the connecting arm (3) is 8mm to 12 mm; the width of the connecting arm (3) is 0.2 mm-0.4 mm.
8. The vibrating plate for a bone conduction speaker according to claim 7, wherein the vibrating portion (2) is a rectangular connecting portion;
the center of the rectangular connecting part is provided with a mounting hole (4), and the mounting hole (4) is coaxially arranged with the fixing part (1);
one ends of the four first arc-shaped sections (5) are respectively connected with four top corners of the rectangular connecting part.
9. A bone conduction speaker comprising the vibrating piece as claimed in any one of claims 1 to 8.
10. The bone conduction speaker of claim 9, further comprising a mover and a stator; the vibrating part is fixedly connected with a rotor of the bone conduction loudspeaker through a bolt; the fixing part (1) is fixedly connected to a stator of the bone conduction speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220207728.1U CN216700311U (en) | 2022-01-25 | 2022-01-25 | Vibrating reed for bone conduction loudspeaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220207728.1U CN216700311U (en) | 2022-01-25 | 2022-01-25 | Vibrating reed for bone conduction loudspeaker |
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| CN216700311U true CN216700311U (en) | 2022-06-07 |
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| CN202220207728.1U Active CN216700311U (en) | 2022-01-25 | 2022-01-25 | Vibrating reed for bone conduction loudspeaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021385A1 (en) * | 2022-07-25 | 2024-02-01 | 深圳市韶音科技有限公司 | Transducer device, loudspeaker, and acoustic output device |
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2022
- 2022-01-25 CN CN202220207728.1U patent/CN216700311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021385A1 (en) * | 2022-07-25 | 2024-02-01 | 深圳市韶音科技有限公司 | Transducer device, loudspeaker, and acoustic output device |
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