CN105163218A - High-clarity bone conduction earphone capable of reducing vibration energy attenuation - Google Patents
High-clarity bone conduction earphone capable of reducing vibration energy attenuation Download PDFInfo
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- CN105163218A CN105163218A CN201510567783.6A CN201510567783A CN105163218A CN 105163218 A CN105163218 A CN 105163218A CN 201510567783 A CN201510567783 A CN 201510567783A CN 105163218 A CN105163218 A CN 105163218A
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- wall
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Abstract
The invention discloses a high-clarity bone conduction earphone capable of reducing vibration energy attenuation. The high-clarity bone conduction earphone comprises a shell, a rubber jacket and a sound head; the shell is provided with a first surface used for contacting with a human body; a first containing cavity is formed in the shell; the first containing cavity is provided with an opening which is located at the first surface of the shell; the rubber jacket is arranged in the first containing cavity; a second containing cavity is formed in the rubber jacket; a gap is formed between the outer wall surface of the second containing cavity and the inner wall surface of the first containing cavity; the rubber jacket is provided with a contact wall which protrudes at the opening and is used for contacting with the human body; and the sound head is arranged in the second containing cavity and is mutually contacted with the contact wall. Therefore, as the sound head is suspended in the shell, the shell in the traditional technology is efficiently prevented from consuming a plenty of vibration energy of the sound head and the vibration energy attenuation is reduced greatly; as the sound head passes through the rubber jacket to be directly contacted with the human body when the high-clarity bone conduction earphone is used, almost all the vibration energy can be released, the sound clarity and the sound quality are increased, and the auditory effect of a user is improved.
Description
Technical field
The present invention relates to osophone art, refer in particular to a kind of high definition osophone reducing vibrational energy decay.
Background technology
Osophone converts electrical signals to vibration signal, by contacting with the skin and bone of human body, as medium, sound wave is directly transferred to the auditory nerve of brain with solid (non-air); It can prevent earphone from picking up some unnecessary noise, such as sounds of the wind etc., can become clear by enable voice like this.But, existing osophone includes housing and is installed on the sound head in housing, its sound head has large-area contact with housing, in use, housing can consume the vibrational energy of sound head, cause sound head vibration signal to occur the phenomenon significantly decayed, thus limit to the lifting of osophone in sound articulation.
Therefore, need to work out a kind of new technical scheme and solve the problems referred to above.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose is to provide a kind of high definition osophone reducing vibrational energy decay, it effectively prevent a large amount of consumption of conventional art middle shell to sound head vibrational energy, farthest decrease vibrational energy decay, during use, it almost can discharge vibrational energy completely, improves sound articulation and quality.
For achieving the above object, the present invention adopts following technical scheme:
Reduce a high definition osophone for vibrational energy decay, include housing, gum cover and sound head, wherein, this housing has for the first surface with human contact and the second surface relative with first surface; Be formed with the first containing cavity in this housing, this first containing cavity is formed with through first containing cavity and extraneous opening in the first surface of housing; This gum cover is installed in the first containing cavity, is formed with the second containing cavity in this gum cover, is formed with the gap for preventing vibrational energy from being absorbed by housing between this second containing cavity outside wall surface and the first containing cavity internal face; This gum cover has and is convexly exposed to aforementioned opening part for the contact wall with human contact, aforementioned sound head to be arranged in the second containing cavity and with contact wall and contact with each other.
As a kind of preferred version, described housing includes the first housing and the second housing, and this first housing and the second housing each other assembly inside enclose aforementioned first containing cavity of formation; Described gum cover includes cylindrical shell, and this inner barrel cavity volume is aforementioned second containing cavity, and this cylindrical shell diapire is aforementioned contact wall, is the opening end loaded for sound head in cylinder top, and all sidewalls of this cylindrical shell all maintain aforementioned gap with aforementioned first containing cavity internal face; This cylindrical shell week wall outer surface corresponding opening end position one has extended to form supporting walls outward, and the sandwiched formula of this supporting walls is positioned between the first housing and the second housing; And this cylindrical shell week side wall inner surfaces corresponding opening end position one extends to form the limited wall preventing sound head from deviating from toward in, aforementioned sound head two ends are connected to contact wall, limited wall respectively.
As a kind of preferred version, described first surface is arranged on the first housing, on this first housing, corresponding aforementioned opening has integrally extended to form the first circular orientation wall towards the second housing, and aforementioned second housing has integrally extended to form the second circular orientation wall towards the first housing; This first circular orientation pars intramuralis forms aforementioned first containing cavity, and aforementioned gum cover is positioned at the first circular orientation wall, and its supporting walls is located between the extending end of first and second circular orientation wall.
As a kind of preferred version, the extending end of described first circular orientation wall is integrally convexly equipped with reference column, correspondingly on the supporting walls of aforementioned gum cover offers location notch, and this reference column embeds in corresponding location notch.
As a kind of preferred version, described first housing includes the first main wall, and said first surface is formed on the first main wall, and aforementioned first circular orientation wall forms side one projection from the first surface of the first main wall; The periphery of described first main wall has integrally extended to form the first assembled frame, and this first assembled frame and the first circular orientation wall homonymy projection, form cavity structure between this first assembled frame and the first circular orientation wall;
Described second housing includes the second main wall, and aforementioned second surface is formed on the second main wall, and aforementioned second circular orientation wall forms side one projection from the second surface of the second main wall; The periphery of described second main wall has integrally extended to form the second assembled frame, and this second assembled frame and the second circular orientation wall homonymy projection, form cavity structure between this second assembled frame and the second circular orientation wall;
The elongated end of this first assembled frame and the second assembled frame is formed with suitable caulking groove and projection respectively, and when after the first housing and the second housing each other assembly, its projection embeds in caulking groove.
As a kind of preferred version, described first main wall, the second main wall are respectively arranged with corresponding screw, this screw lays respectively between the first assembled frame and the first main wall, between the second assembled frame and the second main wall, and this first housing and the second housing are connected to corresponding screw by screw.
As a kind of preferred version, described first surface glues and is provided with cloth pad, the corresponding aforementioned contact wall of this cloth pad offers resigning hole, and this contact wall is exposed to resigning hole place, and contact wall does not contact with resigning hole inwall.
As a kind of preferred version, described first surface is arranged with the groove for being installed with aforementioned cloth pad, the through groove of aforementioned opening and the first containing cavity, and aforementioned cloth pad is positioned at groove.
The present invention compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution, it effectively prevent a large amount of consumption of conventional art middle shell to sound head vibrational energy mainly by being suspended in housing by sound head, farthest decreases vibrational energy decay, gum cover is led to directly and human contact by sound head during use, it almost can discharge vibrational energy completely, improves sound articulation and quality, improves the auditory effect of user; Next is, the special construction of its first housing, the second housing, gum cover, sound head designs and cooperatively interacts, achieve and the assembling of gum cover, sound head is located, gum cover to be had with housing by means of only supporting walls be connected, its structural design is simple, ingenious, reasonable, be conducive to reducing housing to the consumption of sound head vibrational energy, and make the assembling processing procedure of product become more simple.
For more clearly setting forth architectural feature of the present invention and effect, below in conjunction with accompanying drawing and specific embodiment, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the assembling perspective representation of the embodiment of the present invention;
Fig. 2 is the decomposition texture diagram of the embodiment of the present invention;
Fig. 3 is another decomposition texture diagram of the embodiment of the present invention;
Fig. 4 is the cross section structure diagram of the embodiment of the present invention;
Fig. 5 is the configuration diagram that the embodiment of the present invention is applied to headphone.
Accompanying drawing identifier declaration:
10, the first housing 11, first surface
12, the first containing cavity 13, first circular orientation wall
14, the first main wall 15, first assembled frame
16, reference column 17, projection
18, groove 19, screw
20, the second housing 21, second surface
22, the second circular orientation wall 23, second main wall
24, the second assembled frame 25, caulking groove
26, screw 30, gum cover
31, the second containing cavity 32, contact wall
33, supporting walls 34, limited wall
35, location notch 40, sound head
50, gap 60, cloth pad
61, resigning hole.
Embodiment
Please refer to shown in Fig. 1 to Fig. 5, that show the concrete structure of the embodiment of the present invention, it includes housing, gum cover 30 and sound head 40, and the major design spirit of the present invention is: how to reduce vibrational energy decay, to obtain a kind of osophone of high definition.
Wherein, this housing has for the first surface 11 and the second surface 21 relative with first surface 11 with human contact; Be formed with the first containing cavity 12 in this housing, this first containing cavity 12 is formed with through first containing cavity 12 and extraneous opening in the first surface 11 of housing; This gum cover 30 is installed in the first containing cavity 12, is formed with the second containing cavity 31 in this gum cover 30, is formed with the gap 50 for preventing vibrational energy from being absorbed by housing between this second containing cavity 31 outside wall surface and the first containing cavity 12 internal face; This gum cover 30 has and is convexly exposed to aforementioned opening part for the contact wall 32 with human contact, aforementioned sound head 40 to be arranged in the second containing cavity 31 and with contact wall 32 and contact with each other, so, effectively prevent a large amount of consumption of conventional art middle shell to sound head vibrational energy, farthest decrease vibrational energy decay, lead to gum cover 30 directly and human contact by sound head 40 during use, it almost can discharge vibrational energy completely.
Specifically: described housing includes the first housing 10 and the second housing 20, this first housing 10 and the second housing 20 enclose aforementioned first containing cavity of formation in assembly inside each other; Described gum cover 30 includes cylindrical shell, this inner barrel cavity volume is aforementioned second containing cavity 31, this cylindrical shell diapire is aforementioned contact wall 32, is the opening end loaded for sound head 40 in cylinder top, and all sidewalls of this cylindrical shell all maintain aforementioned gap 50 with aforementioned first containing cavity 12 internal face; This cylindrical shell week wall outer surface corresponding opening end position one has extended to form supporting walls 33 outward, and the sandwiched formula of this supporting walls 33 is positioned between the first housing 10 and the second housing 20; And this cylindrical shell week side wall inner surfaces corresponding opening end position one extends to form the limited wall 34 preventing sound head 40 from deviating from toward in, aforementioned sound head 40 two ends are connected to contact wall 32, limited wall 34 respectively.
Said first surface 11 is arranged on the first housing 10, on this first housing 10, corresponding aforementioned opening has integrally extended to form the first circular orientation wall 13 towards the second housing 20, and aforementioned second housing 20 has integrally extended to form the second circular orientation wall 22 towards the first housing 10; In the present embodiment, as shown in Figure 2, described first housing 10 includes the first main wall 14, and said first surface 11 is formed on the first main wall 14, and aforementioned first circular orientation wall 13 forms from first surface 11 pairs of side one projections of the first main wall 14; The periphery of described first main wall 14 has integrally extended to form the first assembled frame 15, and this first assembled frame 15 and first circular orientation wall 13 homonymy projection, form cavity structure between this first assembled frame 15 and first circular orientation wall 13; As shown in Figure 3, described second housing 20 includes the second main wall 23, and aforementioned second surface 21 is formed on the second main wall 23, and aforementioned second circular orientation wall 22 forms from second surface 21 pairs of side one projections of the second main wall 23; The periphery of described second main wall 23 has integrally extended to form the second assembled frame 24, and this second assembled frame 24 and second circular orientation wall 22 homonymy projection, form cavity structure between this second assembled frame 24 and second circular orientation wall 22;
This the first circular orientation wall 13 inside forms aforementioned first containing cavity 12, aforementioned gum cover 30 is positioned at the first circular orientation wall 13, its supporting walls 33 is located in the first circular orientation wall 13, between the extending end of the second circular orientation wall 22, make gum cover 30 by means of only supporting walls 33 and the first circular orientation wall 13, the extending end of the second circular orientation wall 22 has connection, aforementioned limited wall 34 relatively housing is also hang to establish state, like this, all sides of overall gum cover 30, bottom, top does not all contact with housing, gap is kept between all sidewalls and housing, also gap is kept between its top and housing, whole sound head 40 is made to be suspended from enclosure interior, and, the extending end of described first circular orientation wall 13 is integrally convexly equipped with reference column 16, correspondingly on the supporting walls 33 of aforementioned gum cover 30 offers location notch 35, and this reference column 16 embeds in corresponding location notch 35, like this, gum cover 30 is effectively prevented to be subjected to displacement relative to housing and to rotate.
In the present embodiment, assembling positioning relation between aforementioned first housing 10 and the second housing 20: the elongated end of this first assembled frame 15 and the second assembled frame 24 is formed with suitable caulking groove 25 and projection 17 respectively, when after the first housing 10 and the second housing 20 each other assembly, its projection 17 embeds in caulking groove 25; Described first main wall 14, second main wall 23 is respectively arranged with corresponding screw (as accompanying drawing indicates 19,26), this screw 19 is between the first assembled frame 15 and the first main wall 14, this screw 26 is between the second assembled frame 24 and the second main wall 23, and this first housing 10 and the second housing 20 are connected to corresponding screw 19, screw 26 by screw; Between aforementioned first housing 10 and the second housing 20, assembling location is firm, and sealing property is better, is conducive to improving the waterproof action to inner sound head 40.
In addition, glue on said first surface 11 and be provided with cloth pad 60, the corresponding aforementioned contact wall 32 of this cloth pad 60 offers resigning hole 61, and this contact wall 32 is exposed to resigning hole 61 place, and contact wall 32 does not contact with resigning hole 61 inwall; As shown in Figure 3 and Figure 4, described first surface 11 is arranged with the groove 18 for being installed with aforementioned cloth pad 60, and the through groove 18 of aforementioned opening and the first containing cavity 12, aforementioned cloth pad 60 is positioned at groove 18.And shown in composition graphs 2 and Fig. 3, this cloth pad 30 covers in screw 19 position on aforementioned first housing 10, and screw 26 position on the second housing 20 is not then exposed to its second surface 21.
Design focal point of the present invention is, it is mainly by being suspended in housing by sound head, effectively prevent a large amount of consumption of conventional art middle shell to sound head vibrational energy, farthest decrease vibrational energy decay, gum cover is led to directly and human contact by sound head during use, it almost can discharge vibrational energy completely, improves sound articulation and quality, improves the auditory effect of user; Next is, the special construction of its first housing, the second housing, gum cover, sound head designs and cooperatively interacts, achieve and the assembling of gum cover, sound head is located, gum cover to be had with housing by means of only supporting walls be connected, its structural design is simple, ingenious, reasonable, be conducive to reducing housing to the consumption of sound head vibrational energy, and make the assembling processing procedure of product become more simple.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, thus every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. reduce a high definition osophone for vibrational energy decay, it is characterized in that: include housing, gum cover and sound head, wherein, this housing has for the first surface with human contact and the second surface relative with first surface; Be formed with the first containing cavity in this housing, this first containing cavity is formed with through first containing cavity and extraneous opening in the first surface of housing; This gum cover is installed in the first containing cavity, is formed with the second containing cavity in this gum cover, is formed with the gap for preventing vibrational energy from being absorbed by housing between this second containing cavity outside wall surface and the first containing cavity internal face; This gum cover has and is convexly exposed to aforementioned opening part for the contact wall with human contact, aforementioned sound head to be arranged in the second containing cavity and with contact wall and contact with each other.
2. the high definition osophone of minimizing vibrational energy decay according to claim 1, is characterized in that: described housing includes the first housing and the second housing, and this first housing and the second housing each other assembly inside enclose aforementioned first containing cavity of formation; Described gum cover includes cylindrical shell, and this inner barrel cavity volume is aforementioned second containing cavity, and this cylindrical shell diapire is aforementioned contact wall, is the opening end loaded for sound head in cylinder top, and all sidewalls of this cylindrical shell all maintain aforementioned gap with aforementioned first containing cavity internal face; This cylindrical shell week wall outer surface corresponding opening end position one has extended to form supporting walls outward, and the sandwiched formula of this supporting walls is positioned between the first housing and the second housing; And this cylindrical shell week side wall inner surfaces corresponding opening end position one extends to form the limited wall preventing sound head from deviating from toward in, aforementioned sound head two ends are connected to contact wall, limited wall respectively.
3. the high definition osophone of minimizing vibrational energy decay according to claim 2, it is characterized in that: described first surface is arranged on the first housing, on this first housing, corresponding aforementioned opening has integrally extended to form the first circular orientation wall towards the second housing, and aforementioned second housing has integrally extended to form the second circular orientation wall towards the first housing; This first circular orientation pars intramuralis forms aforementioned first containing cavity, and aforementioned gum cover is positioned at the first circular orientation wall, and its supporting walls is located between the extending end of first and second circular orientation wall.
4. the high definition osophone of minimizing vibrational energy decay according to claim 3, it is characterized in that: the extending end of described first circular orientation wall is integrally convexly equipped with reference column, correspondingly on the supporting walls of aforementioned gum cover offer location notch, this reference column embeds in corresponding location notch.
5. the high definition osophone of minimizing vibrational energy decay according to claim 3, it is characterized in that: described first housing includes the first main wall, said first surface is formed on the first main wall, and aforementioned first circular orientation wall forms side one projection from the first surface of the first main wall; The periphery of described first main wall has integrally extended to form the first assembled frame, and this first assembled frame and the first circular orientation wall homonymy projection, form cavity structure between this first assembled frame and the first circular orientation wall;
Described second housing includes the second main wall, and aforementioned second surface is formed on the second main wall, and aforementioned second circular orientation wall forms side one projection from the second surface of the second main wall; The periphery of described second main wall has integrally extended to form the second assembled frame, and this second assembled frame and the second circular orientation wall homonymy projection, form cavity structure between this second assembled frame and the second circular orientation wall;
The elongated end of this first assembled frame and the second assembled frame is formed with suitable caulking groove and projection respectively, and when after the first housing and the second housing each other assembly, its projection embeds in caulking groove.
6. the high definition osophone of minimizing vibrational energy decay according to claim 5, it is characterized in that: described first main wall, the second main wall are respectively arranged with corresponding screw, this screw lays respectively between the first assembled frame and the first main wall, between the second assembled frame and the second main wall, and this first housing and the second housing are connected to corresponding screw by screw.
7. the high definition osophone of minimizing vibrational energy decay according to claim 1, it is characterized in that: described first surface glues and is provided with cloth pad, the corresponding aforementioned contact wall of this cloth pad offers resigning hole, and this contact wall is exposed to resigning hole place, and contact wall does not contact with resigning hole inwall.
8. the high definition osophone of minimizing vibrational energy decay according to claim 7, is characterized in that: described first surface is arranged with the groove for being installed with aforementioned cloth pad, the through groove of aforementioned opening and the first containing cavity, and aforementioned cloth pad is positioned at groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567783.6A CN105163218B (en) | 2015-09-09 | 2015-09-09 | Reduce the high-resolution osophone of vibrational energy attenuation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567783.6A CN105163218B (en) | 2015-09-09 | 2015-09-09 | Reduce the high-resolution osophone of vibrational energy attenuation |
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| Publication Number | Publication Date |
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| CN105163218A true CN105163218A (en) | 2015-12-16 |
| CN105163218B CN105163218B (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510567783.6A Active CN105163218B (en) | 2015-09-09 | 2015-09-09 | Reduce the high-resolution osophone of vibrational energy attenuation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115209303A (en) * | 2022-08-26 | 2022-10-18 | 惠州市大康科技有限公司 | Bone conduction earphone and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090082999A (en) * | 2008-01-29 | 2009-08-03 | 김성호 | Bone conduction speaker of double frame and double magnet structures |
| JP4594190B2 (en) * | 2005-08-12 | 2010-12-08 | Ｎｅｃトーキン株式会社 | Bone conduction speaker |
| CN103597803A (en) * | 2011-12-06 | 2014-02-19 | 株式会社坦姆科日本 | Mobile phone employing bone conduction device |
| CN103716739A (en) * | 2014-01-06 | 2014-04-09 | 深圳市韶音科技有限公司 | Method for suppressing sound leakage of bone conduction loudspeaker and bone conduction loudspeaker |
| CN104581484A (en) * | 2014-12-29 | 2015-04-29 | 汉得利（常州）电子股份有限公司 | Acoustic leakage prevention sound insulation cavity for micro bone conduction device |
| CN205051845U (en) * | 2015-09-09 | 2016-02-24 | 东莞泉声电子有限公司 | Reduce high definition bone -conduction earphone of vibration energy decay |
-
2015
- 2015-09-09 CN CN201510567783.6A patent/CN105163218B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4594190B2 (en) * | 2005-08-12 | 2010-12-08 | Ｎｅｃトーキン株式会社 | Bone conduction speaker |
| KR20090082999A (en) * | 2008-01-29 | 2009-08-03 | 김성호 | Bone conduction speaker of double frame and double magnet structures |
| CN103597803A (en) * | 2011-12-06 | 2014-02-19 | 株式会社坦姆科日本 | Mobile phone employing bone conduction device |
| CN103716739A (en) * | 2014-01-06 | 2014-04-09 | 深圳市韶音科技有限公司 | Method for suppressing sound leakage of bone conduction loudspeaker and bone conduction loudspeaker |
| CN104581484A (en) * | 2014-12-29 | 2015-04-29 | 汉得利（常州）电子股份有限公司 | Acoustic leakage prevention sound insulation cavity for micro bone conduction device |
| CN205051845U (en) * | 2015-09-09 | 2016-02-24 | 东莞泉声电子有限公司 | Reduce high definition bone -conduction earphone of vibration energy decay |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115209303A (en) * | 2022-08-26 | 2022-10-18 | 惠州市大康科技有限公司 | Bone conduction earphone and manufacturing method thereof |
| CN115209303B (en) * | 2022-08-26 | 2024-05-17 | 惠州市大康科技有限公司 | Bone conduction earphone and manufacturing method thereof |
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| CN105163218B (en) | 2018-06-01 |
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Denomination of invention: High definition bone guide earphone for reducing vibration energy attenuation Effective date of registration: 20200901 Granted publication date: 20180601 Pledgee: Shijie sub branch of Bank of Dongguan Co., Ltd Pledgor: TRANSOUND ELECTRONICS Co.,Ltd. Registration number: Y2020980005594 |
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