CN209882047U - Earphone set - Google Patents
Earphone set Download PDFInfo
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- CN209882047U CN209882047U CN201921263370.9U CN201921263370U CN209882047U CN 209882047 U CN209882047 U CN 209882047U CN 201921263370 U CN201921263370 U CN 201921263370U CN 209882047 U CN209882047 U CN 209882047U
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- short circuit
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- earphone
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Abstract
The utility model provides an earphone can adjust the frequency response of earphone and do benefit to the miniaturized design of earphone. The front shell of the earphone comprises a bulge part and a plane part, and a front cavity sound outlet hole is formed in the bulge part; the earmuff support establishes portion and plane installation department including the cover, and the cover is established the portion cover and is established on the bulge and with bulge looks adaptation, be equipped with first sound short circuit hole on the plane portion, is equipped with the second sound short circuit hole in the cover establishment portion, and first sound short circuit hole is just communicate with the second sound short circuit hole, and sets up seal structure between first sound short circuit hole and the second sound short circuit hole, and the earmuff sets firmly on the plane installation department. The utility model has the advantages that the first sound short circuit hole is arranged on the convex part of the front shell, the second sound short circuit hole which is aligned with the first sound short circuit hole is arranged on the ear cap support sleeve part, the requirement of adjusting the frequency response of the earphone is satisfied, and the sound quality is improved; the adaptation cover of earmuff support cover is established on the procapsid bulge, does benefit to the radial dimension that reduces earphone main part, realizes miniaturized design.
Description
Technical Field
The utility model relates to an earphone.
Background
Earphones are widely used in modern consumer electronics. In the existing earphone design, as shown in fig. 1, a main body generally includes a front casing 1 and a rear casing 2, the front casing 1 is generally a planar circular plate, an axial cross section of the rear casing 2 is U-shaped, the front casing 1 and the rear casing 2 enclose a cylindrical cavity, a horn bracket 3 and a horn unit 4 mounted on the horn bracket 3 are arranged in the cylindrical cavity enclosed by the front casing 1 and the rear casing 2, an earcap bracket 8 is fixedly arranged on a front side surface of the front casing 1, an earcap 5 is fixedly arranged on the earcap bracket 8, a part of the front casing 1, which is opposite to the horn unit 4, of the front casing 1, encloses a front earphone cavity 6 with the horn bracket 3 and the horn unit 4, and a horn sound outlet hole 1-3 communicated with the front earphone cavity 6 is formed in the part of the front casing 1-1; the left front shell 1-2, the back shell 2, the horn bracket 3 and the horn unit 4 enclose an earphone rear cavity 7, and a rear cavity sound hole 2-1 is formed in the back shell 2. In order to adjust frequency response, an acoustic short circuit hole 1-4 is usually formed in a front shell 1-2, the acoustic short circuit hole 1-4 is communicated with a rear cavity acoustic hole 7 and is communicated with an area surrounded by an earmuff 5 and an earmuff bracket 8, acoustic waves in a front cavity 6 of the earphone can enter the rear cavity 7 of the earphone sequentially through a loudspeaker sound outlet hole 1-3 and an acoustic short circuit hole 1-4, the flow direction of the acoustic waves is shown by solid line arrows in fig. 1 and is opposite to the direction of the acoustic waves transmitted from the rear cavity 7 of the earphone through the acoustic short circuit hole 1-4 (the direction of the acoustic waves is shown by dotted line arrows in fig. 1), namely, the acoustic short circuit hole 1-4 is indirectly communicated with the front cavity 6 of the earphone and the rear cavity 7 of.
With the development of earphone technology, the earphone structure types are more and more, and the appearance shapes are different. Now, an earphone with a front cavity 6 protruding forward (i.e. protruding towards the ear side of a person) to protrude a speaker unit 4 forward is presented, as shown in fig. 2, the front shell 1 of the earphone is not a plane shell, but has protrusions 1-5, in order to match the protrusions 1-5 of the front shell 1, the thickness of the earmuff holder 8 is increased, at this time, if only the front shell 1 is provided with the acoustic short circuit holes 1-4 in the above manner, i.e. the acoustic short circuit holes 1-4 are located in the area enclosed by the earmuff 5 and the earmuff holder 8 and outside the protrusions 1-5, the acoustic short circuit holes 1-4 and the speaker sound outlet holes 1-3 on the front shell 1 are no longer located on the same plane, and a large annular cavity area 9 is formed between the earmuff holder 8 and the protrusions 1-5 of the front shell 1, sound waves in the front cavity 6 of the earphone are transmitted through the speaker sound outlet holes 1-3 and then through the space enclosed by the, the sound short circuit holes 1-4 can enter the rear cavity 7 of the earphone only through the annular cavity region 9, and because the annular cavity region 9 is large and the aperture of the sound short circuit holes 1-4 is small, sound waves can be spread in the annular cavity region 9 after reaching the region and are difficult to directly flow into the sound waves and flow into the sound short circuit holes 1-4, so that the sound short circuit effect is poor; meanwhile, the earphone with the front shell 1 provided with the bulges 1-5 adopts the mode of arranging the sound short circuit hole in the prior art, and is not beneficial to the miniaturization design of the earphone.
SUMMERY OF THE UTILITY MODEL
The utility model provides an earphone, its loudspeaker unit is protrusion forward, can adjust the frequency response of earphone and do benefit to the miniaturized design of earphone.
In order to achieve the technical purpose, the utility model adopts the following technical scheme to realize: an earphone comprises an earphone body, wherein the earphone body comprises a front shell, a rear shell positioned on the rear side of the front shell, a loudspeaker assembly arranged in a space enclosed by the front shell and the rear shell, an earcap support and an earcap, and the earcap support is fixedly arranged on the front side surface of the front shell; the front shell comprises a convex part protruding forwards and a plane part positioned on the periphery of the convex part, the convex part and the loudspeaker assembly form a front earphone cavity in an enclosed mode, a front cavity sound outlet hole is formed in the convex part, a sound outlet surface of the loudspeaker assembly faces the front earphone cavity, and the plane part, the loudspeaker assembly and the rear shell form a rear earphone cavity in an enclosed mode; the earmuff support includes that the portion is established to the cover of tube-shape and is located the cover and establishes the outlying plane installation department of portion front end, the cover is established the portion cover establish on the bulge and with bulge looks adaptation, be equipped with first sound short circuit hole on the plane portion, the cover is established and is equipped with second sound short circuit hole in the portion, first sound short circuit hole with second sound short circuit hole is just and the intercommunication, just first sound short circuit hole with set up seal structure between the second sound short circuit hole, the earmuff sets firmly on the plane installation department.
First sound short circuit hole quantity is a plurality of along the circumference equipartition on the plane portion, correspondingly, second sound short circuit hole quantity is a plurality of along the circumference equipartition on the portion is established to the cover.
The first sound short circuit hole is a round hole, a fan-shaped hole, a square hole or an elliptical hole, and the second sound short circuit hole is a round hole, a fan-shaped hole, a square hole or an elliptical hole.
The portion is established to the cover with the bulge buckle is connected or bonds, just the rear end face of the portion is established to the cover with the laminating of plane portion.
The sealing structure is a sealing glue or a sealing gasket arranged between the rear end face of the sleeving part and the plane part.
The bulge is located the central point of procapsid, the radial width of plane portion is greater than the radial width of portion is established to the cover, be equipped with on the plane portion and be located the back chamber phonate in the portion outside is established to the cover, back chamber phonate be with the through-hole of earphone back chamber intercommunication.
The rear cavity sound holes are circumferentially distributed on the plane part.
The utility model discloses earphone has following advantage and positive effect:
1. the utility model discloses establish the portion adaptation cover of earmuff support on the bulge of procapsid, set up the first sound short circuit hole at the bulge, establish the portion on the cover and correspond to be provided with the second sound short circuit hole positive with the first sound short circuit hole, satisfy the requirement to earphone frequency response, improve sound quality;
2. the adaptation cover of the cover of earmuff support is established on the bulge of procapsid, laminates with the bulge promptly, is favorable to reducing the radial dimension of earphone main part to do benefit to and reduce the earphone volume, realize miniaturized design.
Drawings
Fig. 1 is a schematic structural diagram of a main body of an earphone with a planar front housing in the prior art;
fig. 2 is a schematic structural diagram of a headset main body with a bulge part on a front shell in the prior art;
fig. 3 is a schematic structural diagram of the earphone main body of the present invention.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and the detailed description.
In the following, the terms of orientation "front" and "rear" in the present embodiment are described, with respect to the earphone worn state, forward toward the ear and backward away from the ear in the earphone axial direction.
Referring to fig. 3, the earphone of the present embodiment, specifically taking a headphone as an example, includes an earphone body 100, where the earphone body 100 includes a front casing 110, a rear casing 120 located at the rear side of the front casing 110 and coaxially and fixedly connected to the front casing 110, a speaker assembly 130 installed in a space enclosed by the front casing 110 and the rear casing 120, an earmuff 140, and an earmuff holder 150 for fixing the earmuff 140, where the earmuff holder 150 is fixedly installed on the front side surface of the front casing 110; the front casing 110 includes a protrusion 111 protruding forward and a plane portion 112 located at the periphery of the protrusion 111, the protrusion 111 and the speaker assembly 130 enclose a front earphone cavity 160, a front cavity sound outlet hole 115 is formed on the protrusion 111, the speaker assembly 130 includes a speaker bracket 131 and a speaker unit 132, the sound outlet surface of the speaker unit 132 faces the front earphone cavity 160, the speaker bracket 131 is used for fixing the speaker unit 132, the edge portion of the speaker bracket 131 is fixedly connected to the inner wall of the protrusion 111, and the plane portion 112, the speaker assembly 130 and the rear casing 120 enclose a rear earphone cavity 170; earmuff support 150 includes that the cover of tube-shape establishes portion 151 and is located the peripheral plane installation department 152 in cover portion 151 front end, the portion 151 cover is established on bulge 111 and with bulge 111 looks adaptation to the cover, be equipped with first sound short circuit hole 113 on plane portion 112, be equipped with second sound short circuit hole 153 on the portion 151 is established to the cover, first sound short circuit hole 113 is adjusted well and is communicate with second sound short circuit hole 153, and set up seal structure A between first sound short circuit hole 113 and second sound short circuit hole 153, earmuff 140 sets firmly on plane installation department 152.
In this embodiment, the sleeve portion 151 of the earmuff holder 150 is fittingly sleeved on the protruding portion 111 of the front housing 110, the protruding portion 111 is provided with a first acoustic short-circuit hole 113, the sleeve portion 151 is correspondingly provided with a second acoustic short-circuit hole 153 aligned with the first acoustic short-circuit hole 113, the first acoustic short-circuit hole 113 and the second acoustic short-circuit hole 153 are through holes whose axes are parallel to the axis of the earphone main body 100, the sound wave in the earphone front cavity 160 can enter the earphone rear cavity 170 sequentially through the front cavity sound outlet hole 115, the second acoustic short-circuit hole 153 and the first acoustic short-circuit hole 113, the sound wave flows in a direction shown by a solid arrow in fig. 3, and is opposite to the sound wave (the sound wave flows in a direction shown by a dotted arrow in fig. 1) from the earphone rear cavity 170 through the first acoustic short-circuit hole 113 and the second acoustic short-circuit hole 153, that is the first acoustic short-circuit hole 113 and the second acoustic short-circuit hole 153, the earphone is adjusted in frequency response, and the sound quality is improved; meanwhile, the adaptive sleeve of the sleeve part 151 is sleeved on the protruding part 111, namely, the adaptive sleeve is attached to the protruding part 111, which is beneficial to reducing the radial size of the earphone main body 100, thereby being beneficial to reducing the volume of the earphone and realizing the miniaturization design of the earphone.
Furthermore, the number of the first acoustic short circuit holes 113 is multiple, so as to improve the frequency response adjusting function, and the first acoustic short circuit holes 113 are uniformly distributed on the plane part 112 along the circumference, so as to facilitate processing and balance the functions of the acoustic short circuit holes at each position of the earphone main body; correspondingly, the number of the second acoustic short circuit holes 153 is plural, and the second acoustic short circuit holes correspond to the first acoustic short circuit holes 113 one by one, and are uniformly distributed on the sleeving part 151 along the circumference.
The first acoustic short circuit hole 113 may be a circular hole, a sector hole, a square hole, an elliptical hole, or the like, the second acoustic short circuit hole 153 may also be a circular hole, a sector hole, a square hole, or an elliptical hole, and the shapes of the first acoustic short circuit hole 113 and the second acoustic short circuit hole 153 are preferably the same.
The sleeve portion 151 and the protruding portion 111 can be fixedly connected through a snap connection or a bonding manner, so that the matching reliability is improved, the rear end face of the sleeve portion 151 is attached to the plane portion 112 of the front shell 110, gaps are reduced as much as possible, sealing between the first acoustic short circuit hole 113 and the second acoustic short circuit hole 153 is guaranteed, and leakage between the first acoustic short circuit hole 113 and the second acoustic short circuit hole 153 is avoided.
As for the sealing structure a, it may be a sealant or a gasket provided between the rear end surface of the sheathing portion 151 and the planar portion 112, or another sealing structure.
In this embodiment, preferably, the protruding portion 111 is located at the central portion of the front housing 110, the radial width of the plane portion 112 is greater than the radial width of the sleeve portion 151, because the sleeve portion 151 is still sleeved with the protruding portion 111, the plane portion 112 has a portion located outside the sleeve portion 151, a rear cavity sound hole 114 located outside the sleeve portion 151 is disposed on the portion, the rear cavity sound hole 114 is a through hole communicated with the rear cavity 170 of the earphone, the rear cavity sound hole 114 meets the requirement of adjusting the frequency response of the rear cavity 170 of the earphone, the rear cavity sound hole 114 is disposed on the front housing 110, the front housing 110 is a non-exterior surface, and the influence on the visual effect caused by the sound hole appearing on the exterior surface of the rear housing 120 is avoided.
In order to improve the frequency response adjustment function, the rear cavity sound holes 114 are circumferentially arranged in plural on the flat surface portion 112.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.
Claims (7)
1. An earphone comprises an earphone body, wherein the earphone body comprises a front shell, a rear shell positioned on the rear side of the front shell, a loudspeaker assembly arranged in a space enclosed by the front shell and the rear shell, an earcap support and an earcap, and the earcap support is fixedly arranged on the front side surface of the front shell; the front shell comprises a convex part protruding forwards and a plane part positioned on the periphery of the convex part, the convex part and the loudspeaker assembly form a front earphone cavity in an enclosed mode, a front cavity sound outlet hole is formed in the convex part, a sound outlet surface of the loudspeaker assembly faces the front earphone cavity, and the plane part, the loudspeaker assembly and the rear shell form a rear earphone cavity in an enclosed mode; the method is characterized in that: the earmuff support includes that the portion is established to the cover of tube-shape and is located the cover and establishes the outlying plane installation department of portion front end, the cover is established the portion cover establish on the bulge and with bulge looks adaptation, be equipped with first sound short circuit hole on the plane portion, the cover is established and is equipped with second sound short circuit hole in the portion, first sound short circuit hole with second sound short circuit hole is just and the intercommunication, just first sound short circuit hole with set up seal structure between the second sound short circuit hole, the earmuff sets firmly on the plane installation department.
2. The headset of claim 1, wherein: first sound short circuit hole quantity is a plurality of along the circumference equipartition on the plane portion, correspondingly, second sound short circuit hole quantity is a plurality of along the circumference equipartition on the portion is established to the cover.
3. The headset of claim 2, wherein: the first sound short circuit hole is a round hole, a fan-shaped hole, a square hole or an elliptical hole, and the second sound short circuit hole is a round hole, a fan-shaped hole, a square hole or an elliptical hole.
4. The headset of claim 1, wherein: the portion is established to the cover with the bulge buckle is connected or bonds, just the rear end face of the portion is established to the cover with the laminating of plane portion.
5. The headset of claim 4, wherein: the sealing structure is a sealing glue or a sealing gasket arranged between the rear end face of the sleeving part and the plane part.
6. The headset of claim 1, wherein: the bulge is located the central point of procapsid, the radial width of plane portion is greater than the radial width of portion is established to the cover, be equipped with on the plane portion and be located the back chamber phonate in the portion outside is established to the cover, back chamber phonate be with the through-hole of earphone back chamber intercommunication.
7. The headset of claim 6, wherein: the rear cavity sound holes are circumferentially distributed on the plane part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921263370.9U CN209882047U (en) | 2019-08-06 | 2019-08-06 | Earphone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921263370.9U CN209882047U (en) | 2019-08-06 | 2019-08-06 | Earphone set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209882047U true CN209882047U (en) | 2019-12-31 |
Family
ID=68949515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921263370.9U Active CN209882047U (en) | 2019-08-06 | 2019-08-06 | Earphone set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209882047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112087686A (en) * | 2020-08-28 | 2020-12-15 | 湖南比沃新能源有限公司 | Communication device |
| CN112788469A (en) * | 2021-03-01 | 2021-05-11 | 维沃移动通信有限公司 | Earphone and electronic equipment |
-
2019
- 2019-08-06 CN CN201921263370.9U patent/CN209882047U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112087686A (en) * | 2020-08-28 | 2020-12-15 | 湖南比沃新能源有限公司 | Communication device |
| CN112788469A (en) * | 2021-03-01 | 2021-05-11 | 维沃移动通信有限公司 | Earphone and electronic equipment |
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