CN210694314U - Earphone loudspeaker with independent sound cavity - Google Patents

Earphone loudspeaker with independent sound cavity Download PDF

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Publication number
CN210694314U
CN210694314U CN201921984521.XU CN201921984521U CN210694314U CN 210694314 U CN210694314 U CN 210694314U CN 201921984521 U CN201921984521 U CN 201921984521U CN 210694314 U CN210694314 U CN 210694314U
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sound
voice coil
lid
tuning
lead wire
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CN201921984521.XU
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Chinese (zh)
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柳年彬
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柳年彬
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Abstract

The utility model discloses an earphone loudspeaker in independent sound chamber, its characterized in that: the utility model discloses a back lid, inhale the sound cotton circle, C type tuning net, the tuning paper, U type iron bowl, annular magnet, annular china department piece, and a support, the backup ring board, the sound hole, the centre bore, the lead wire groove, the vibrating diaphragm bracket, back lid catching groove, the sound production voice coil loudspeaker voice coil, the vibration sound membrane, PCB lead wire board integrated configuration, realize the independent sound chamber structure of earphone loudspeaker, it is not reliant on the tuning of earphone shell, the rear at loudspeaker is established to the sound hole, the bass produces resonance in the sound chamber between vibrating diaphragm rear and back lid, can strengthen and promote, the sound hole from the back lid spills over the back, again with the sound wave that the loudspeaker fore-edge sent converge, obtain high, in, the bass is balanced, soft, thick and heavy, the tone quality is fresh and bright. The problems of unbalanced high, middle and low tones, poor tone quality, high and high tone dryness, low and low tone diving and soft tone color of the earphone loudspeaker in the prior art are reasonably solved. The defects of the prior art are overcome.

Description

Earphone loudspeaker with independent sound cavity
Technical Field
The utility model relates to a loudspeaker technical field especially relates to an earphone loudspeaker in independent sound chamber.
Background
In the earphone loudspeaker in the prior art, the earphone shell jointly forms a sound cavity for tuning, so that unbalanced high, middle and low tones, poor tone quality, high and dry treble, low and deep bass and not soft tone color are caused.
The utility model discloses a back lid, inhale the sound cotton circle, C type tuning net, the tuning paper, U type iron bowl, annular magnet, annular china department piece, and a support, the backup ring board, the sound hole, the centre bore, the lead wire groove, the vibrating diaphragm bracket, back lid catching groove, the sound production voice coil loudspeaker voice coil, the vibration sound membrane, PCB lead wire board integrated configuration, realize the independent sound chamber structure of earphone loudspeaker, it is not reliant on the tuning of earphone shell, the rear at loudspeaker is established to the sound hole, the bass produces resonance in the sound chamber between vibrating diaphragm rear and back lid, can strengthen and promote, the sound hole from the back lid spills over the back, again with the sound wave that the loudspeaker fore-edge sent converge, obtain high, in, the bass is balanced, soft, thick and heavy, the tone quality is fresh and bright. The defects of the prior art are overcome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an earphone speaker in independent sound chamber has rationally solved prior art's earphone speaker and has adopted earphone shell to constitute the sound chamber tuning jointly, causes high, well, bass unbalance, and tone quality is dry, the high pitch is hypertonic, the bass dive, the not soft problem of tone quality.
The utility model adopts the following technical scheme:
the utility model provides an earphone speaker in independent sound chamber, includes back lid, inhales sound cotton circle, C type tuning net, tuning paper, U type iron bowl, annular magnet, annular china department piece, support collar plate, sound hole, centre bore, lead wire groove, vibrating diaphragm bracket, back lid catching groove, sound production voice coil loudspeaker voice coil, vibration sound membrane, PCB lead wire board, its characterized in that:
the rear cover is in a cylindrical barrel shape, sound holes are formed in the center of the bottom and around the center, circular tuning paper is covered on the sound holes, a PCB lead plate is arranged on one side edge, lead grooves are formed in the side wall corresponding to the PCB lead plate, sound-absorbing cotton rings are connected and arranged at the bottom in the rear cover, the sound-absorbing cotton rings are connected and provided with C-shaped tuning nets with equal inner and outer diameters, the C-shaped tuning nets are connected and provided with U-shaped iron bowls, a center hole is formed in the center of the bottom of each U-shaped iron bowl, tuning paper is arranged at the outer bottom of each U-shaped iron bowl of the center hole, annular magnets are bonded and arranged at the inner bottom of each U-shaped iron bowl, annular wafer pieces are bonded and arranged on the annular wafers and the upper ports of the U-shaped iron bowls, a support ring plate is arranged on the support ring plate, the sound holes and the center holes are arranged in a C, the upper portion edge is equipped with the vibrating diaphragm bracket, and the lower part edge is equipped with back lid catching groove, the supporting ring board downside with C type tuning net bonds, back lid catching groove with back lid lock bonds to bond fixedly, the bonding is equipped with the vibration sound membrane on the vibrating diaphragm bracket, the center of vibration sound membrane bonds integrative and is equipped with the sound production voice coil loudspeaker voice coil, the lower extreme of sound production voice coil loudspeaker voice coil is connected on the annular china department in the central hole of support, sound production voice coil loudspeaker voice coil lower extreme is connected and is equipped with the lead wire, the lead wire set up at lead wire inslot terminal with back lid outer first side edge is equipped with the PCB lead wire board constitutes an earphone loudspeaker in independent sound chamber.
Further, the outer diameter and the inner diameter of the annular magnet and the annular washer sheet are the same.
Furthermore, the center of the vibration sound film is provided with a hemispherical convex curved surface with the diameter the same as that of the sounding voice coil, and the hemispherical convex curved surface is of a structure for increasing a sound cavity.
Furthermore, the space between the vibrating sound film and the rear cover is an independent sound cavity of the earphone loudspeaker.
Furthermore, the sound-absorbing cotton ring increases the damping coefficient and prevents sound waves from undergoing endless refraction and reflection.
The utility model has the beneficial technical effects that:
the utility model discloses an earphone speaker in independent sound chamber has rationally solved earphone speaker of prior art and has adopted earphone shell to constitute the sound chamber tuning jointly, causes high, well, bass unbalance, and tone quality is withered and astringent, the dry hyperthyroidism of high pitch, bass dive, the not soft problem of tone quality.
The utility model discloses a back lid, inhale the sound cotton circle, C type tuning net, the tuning paper, U type iron bowl, annular magnet, annular china department piece, and a support, the backup ring board, the sound hole, the centre bore, the lead wire groove, the vibrating diaphragm bracket, back lid catching groove, the sound production voice coil loudspeaker voice coil, the vibration sound membrane, PCB lead wire board integrated configuration, realize the independent sound chamber structure of earphone loudspeaker, it is not reliant on the tuning of earphone shell, the rear at loudspeaker is established to the sound hole, the bass produces resonance in the sound chamber between vibrating diaphragm rear and back lid, can strengthen and promote, the sound hole from the back lid spills over the back, again with the sound wave that the loudspeaker fore-edge sent converge, obtain high, in, the bass is balanced, soft, thick and heavy, the tone quality is fresh and bright. The defects of the prior art are overcome.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the loosening structure of the present invention.
Fig. 3 is a schematic sectional view of the bracket of the present invention.
Shown in the figure: 1-rear cover, 2-sound absorbing cotton ring, 3-C type tuning net, 4-tuning paper, 5-U type iron bowl, 6-annular magnet, 7-washer piece, 8-bracket, 9-supporting ring plate, 10-sound hole, 11-center hole, 12-lead wire groove, 13-vibrating diaphragm bracket, 14-rear cover buckle groove, 15-sounding voice coil, 16-vibrating voice diaphragm and 17-PCB lead wire plate.
Detailed Description
The following description of the embodiments will help the public to understand the present invention, but the specific embodiments given by the applicant should not be considered as limiting the technical solution of the present invention, and any changes in the definition of the components or technical features and/or in the form of the overall structure rather than substantial changes should be considered as the protection scope defined by the technical solution of the present invention.
Example (b):
the earphone speaker with the independent sound cavity shown in fig. 1-3 comprises a rear cover 1, a sound absorbing cotton ring 2, a C-shaped tuning net 3, tuning paper 4, a U-shaped iron bowl 5, an annular magnet 6, an annular washer sheet 7, a support 8, a support ring plate 9, a sound hole 10, a central hole 11, a lead groove 12, a vibrating diaphragm bracket 13, a rear cover buckling groove 14, a sounding voice coil 15, a vibrating sound film 16 and a PCB lead plate 17.
Firstly, a rear cover 1 is arranged, then a sound hole 10 is arranged at the bottom of the rear cover 1, and a circular tuning paper 4 is covered and arranged on the sound hole 10. Back lid 1 outer bottom surface is close to a side edge adhesive fixation and sets up PCB lead plate 17 set up lead wire groove 12 on the lateral wall of back lid 1 that PCB lead plate 17 corresponds the interior bottom surface of back lid 1 sets up inhales sound cotton circle 2 it sets up the same C type tuning net 3 of internal diameter and external diameter to inhale sound cotton circle 2 set up centre bore 11 on the C type tuning net 3, link up centre bore 11 sets up U type iron bowl 5. A central hole 11 is formed in the center of the bottom surface of the U-shaped iron bowl 5, a tone tuning paper 4 is arranged in the center of the outer bottom surface of the U-shaped iron bowl 5 at the outer port of the central hole 11, an annular magnet 6 is fixedly adhered to the inner bottom surface of the U-shaped iron bowl 5, an annular washer sheet 7 is fixedly adhered to the annular magnet 6, and a support 8 is adhered to the annular washer sheet 7 and the upper port of the U-shaped iron bowl 5.
Then set up support 8 set up supporting ring board 9 on support 8 set up the sound hole 10 that is the C shape and arranges on the supporting ring board 9 the center of supporting ring board 9 sets up centre bore 11, and one side lateral wall sets up lead wire groove 12, goes up the side edge and sets up vibrating diaphragm bracket 13, and the downside edge sets up back lid catching groove 14. The lower side surface of the supporting ring plate 9 and the sound holes 10 which are arranged in a C shape are contacted and bonded with the C-shaped tuning net 3. The upper port of the U-shaped iron bowl 5 is bonded with the central hole 11 of the support ring plate 9. The rear cover buckling groove 14 is buckled, bonded and fixed with the rear cover 1.
Set up pronunciation voice coil 15 and vibration sound membrane 16 at last, will the upper end of pronunciation voice coil 15 with the center bonding of vibration sound membrane 16 is fixed an organic whole, will the vibration sound membrane 16 in the upper end bonding region of pronunciation voice coil 15 sets up to hemispherical convex curved surface, the lower extreme of pronunciation voice coil 15 sets up the lead wire, will the lower extreme of pronunciation voice coil 15 with the last port bonding of U type iron bowl 5 is fixed. And the edge of the vibrating sound membrane 16 is fixedly adhered to the vibrating membrane bracket 13. The lead wire arranged at the lower end of the sounding voice coil 15 is arranged in the lead wire groove 12 and is bonded and conducted with the PCB lead plate 17. And the implementation of the earphone speaker with the independent sound cavity is completed.
Of course, the present invention can have other various embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.

Claims (4)

1. The utility model provides an earphone speaker in independent sound chamber, includes back lid, inhales sound cotton circle, C type tuning net, tuning paper, U type iron bowl, annular magnet, annular china department piece, support collar plate, sound hole, centre bore, lead wire groove, vibrating diaphragm bracket, back lid catching groove, sound production voice coil loudspeaker voice coil, vibration sound membrane, PCB lead wire board, its characterized in that:
the rear cover is in a cylindrical barrel shape, sound holes are formed in the center of the bottom and around the center, circular tuning paper is covered on the sound holes, a PCB lead plate is arranged on one side edge, lead grooves are formed in the side wall corresponding to the PCB lead plate, sound-absorbing cotton rings are connected and arranged at the bottom in the rear cover, the sound-absorbing cotton rings are connected and provided with C-shaped tuning nets with equal inner and outer diameters, the C-shaped tuning nets are connected and provided with U-shaped iron bowls, a center hole is formed in the center of the bottom of each U-shaped iron bowl, tuning paper is arranged at the outer bottom of each U-shaped iron bowl of the center hole, annular magnets are bonded and arranged at the inner bottom of each U-shaped iron bowl, annular wafer pieces are bonded and arranged on the annular wafers and the upper ports of the U-shaped iron bowls, a support ring plate is arranged on the support ring plate, the sound holes and the center holes are arranged in a C, the upper portion edge is equipped with the vibrating diaphragm bracket, and the lower part edge is equipped with back lid catching groove, the supporting ring board downside with C type tuning net bonds, back lid catching groove with back lid lock bonds to bond fixedly, the bonding is equipped with the vibration sound membrane on the vibrating diaphragm bracket, the center of vibration sound membrane bonds integrative and is equipped with the sound production voice coil loudspeaker voice coil, the lower extreme of sound production voice coil loudspeaker voice coil is connected on the annular china department in the central hole of support, sound production voice coil loudspeaker voice coil lower extreme is connected and is equipped with the lead wire, the lead wire set up at lead wire inslot terminal with back lid outer first side edge is equipped with the PCB lead wire board constitutes an earphone loudspeaker in independent sound chamber.
2. The earphone speaker with an independent sound cavity as claimed in claim 1, wherein the outer diameter and the inner diameter of the ring-shaped magnet and the ring-shaped washer are the same.
3. The earphone speaker with an independent sound cavity as claimed in claim 1, wherein the center of the vibrating sound film is provided with a semispherical convex curved surface with the same diameter as that of the sounding voice coil, and the semispherical convex curved surface is a structure for enlarging the sound cavity.
4. An independent sound cavity earphone speaker as claimed in claim 1, wherein the space between the vibrating sound film and the back cover is the independent sound cavity of the earphone speaker.
CN201921984521.XU 2019-11-18 2019-11-18 Earphone loudspeaker with independent sound cavity Active CN210694314U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921984521.XU CN210694314U (en) 2019-11-18 2019-11-18 Earphone loudspeaker with independent sound cavity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921984521.XU CN210694314U (en) 2019-11-18 2019-11-18 Earphone loudspeaker with independent sound cavity

Publications (1)

Publication Number Publication Date
CN210694314U true CN210694314U (en) 2020-06-05

Family

ID=70886336

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921984521.XU Active CN210694314U (en) 2019-11-18 2019-11-18 Earphone loudspeaker with independent sound cavity

Country Status (1)

Country Link
CN (1) CN210694314U (en)

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