CN212486788U - Ear-back hearing aid structure - Google Patents
Ear-back hearing aid structure Download PDFInfo
- Publication number
- CN212486788U CN212486788U CN202021433368.4U CN202021433368U CN212486788U CN 212486788 U CN212486788 U CN 212486788U CN 202021433368 U CN202021433368 U CN 202021433368U CN 212486788 U CN212486788 U CN 212486788U
- Authority
- CN
- China
- Prior art keywords
- hearing aid
- shell
- earphone
- construction according
- loudspeaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Headphones And Earphones (AREA)
Abstract
The utility model discloses an ear-back type hearing aid structure, which comprises a hearing aid host, an earphone and a line pipe; wherein the first end of spool is connected the hearing aid host computer, and the second end of spool is equipped with the rotary joint who rotates with the earphone and be connected. The utility model discloses the commonality is good, can be general in the ear about the human body.
Description
Technical Field
The utility model relates to a hearing aid equipment field especially indicates an ear back of body formula audiphone structure.
Background
The hearing aid is a small-sized loudspeaker, which enlarges the originally inaudible sound and then utilizes the residual hearing of the hearing-impaired person to enable the sound to be transmitted to the auditory center of the brain so as to feel the sound.
Hearing aids can be divided into box type hearing aids, behind-the-ear type hearing aids, in-the-canal type hearing aids and in-the-ear type hearing aids, among which the behind-the-ear type hearing aids are very popular among the public. However, the conventional behind-the-ear hearing aids have limitations in use, a single behind-the-ear hearing aid is only suitable for one of the left ear and the right ear of a person, and is inconvenient for the use of the person, and a manufacturer needs to set two sets of molds to respectively produce the behind-the-ear hearing aid suitable for the left ear and the behind-the-ear hearing aid suitable for the right ear.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ear back of body formula audiphone structure, its commonality is good, can be general in the human left and right sides ear.
In order to achieve the above purpose, the solution of the present invention is:
an ear-back type hearing aid structure comprises a hearing aid host machine, an earphone and a wire tube; the hearing aid host comprises a host shell and a hearing aid mainboard arranged in the host shell; the earphone comprises an earphone shell and a loudspeaker arranged in the earphone shell, and the loudspeaker is electrically connected with the main board of the hearing aid through a connecting wire; connecting wire is put to the spool cover, and the host computer shell is connected to the first end of spool, and the second end of spool is equipped with rotary joint, rotary joint and the rotatable connection of earphone shell.
The outer wall of the rotating joint is provided with a first limiting part and a second limiting part which protrude outwards; the earphone shell is provided with a rotating connecting hole, the rotating connecting hole is rotatably sleeved with a rotating joint, and a first limiting part and a second limiting part of the rotating joint are respectively positioned at the inner side and the outer side of the earphone shell.
The second limiting part of the rotating joint comprises at least one elastic limiting block arranged on the outer wall of the rotating joint; the inner wall of the earphone shell is provided with a plurality of positioning through grooves communicated with the rotating connecting hole, and the elastic limiting blocks of the rotating joints are movably embedded into the positioning through grooves.
The number of the elastic limiting blocks of the second limiting part of the rotating joint is two, and the two elastic limiting blocks are arranged oppositely; the number of the positioning through grooves of the earphone shell is two, and the two positioning through grooves are oppositely arranged.
The first limiting part of the rotary joint is a circle of limiting ring edge arranged on the outer wall of the rotary joint.
The earphone shell comprises a first half shell and a second half shell, and the first half shell and the second half shell are connected with each other to form an accommodating cavity for accommodating the loudspeaker; and a first half hole is formed in the first half shell, a second half hole is formed in the second half shell, and the first half hole and the second half hole are in butt joint to form the rotating connecting hole.
The hearing aid host computer also comprises a control switch electrically connected with the hearing aid mainboard, the control switch is arranged on the bottom of the host computer shell, and the top of the host computer shell is connected with the first end of the wire tube.
The spool is the curved structure.
The loudspeaker is a moving coil loudspeaker or a moving iron loudspeaker.
The earphone shell is provided with a sound outlet hole corresponding to the sound outlet surface of the loudspeaker.
After the scheme is adopted, the first end of the wire tube of the utility model is connected with the hearing aid host, the second end of the wire tube is provided with the rotary joint, and the rotary joint is rotatably connected with the earphone shell, thus the utility model can be universally used for the left ear and the right ear of the human body; when people wear the utility model discloses the time, people can rotate the earphone and adjust the orientation of earphone according to the ear that needs were worn for the earphone can be worn to the required ear of wearing.
Drawings
Fig. 1 is a schematic structural diagram 1 of the present invention;
fig. 2 is a schematic structural diagram 2 of the present invention;
fig. 3 is an exploded view of the present invention 1;
fig. 4 is an exploded view of the present invention 2;
fig. 5 is a cross-sectional view 1 of the present invention;
fig. 6 is a cross-sectional view of the present invention 2;
description of reference numerals:
a hearing aid main machine 1, a main machine shell 1, a hearing aid main board 12, a control switch 13,
a headphone 2, a headphone housing 21, a first half 2101, a second half 2102, a rotation connection hole 211, a first half 2111, a second half 2112, a positioning through slot 212, a first half 2121, a second half 2122, a sound outlet 213, a speaker 22,
the length of the conduit 3 is such that,
the connection wires 4 are connected to each other,
the rotary joint 5, the first limiting part 51, the limiting ring edge 511, the second limiting part 52 and the elastic limiting block 521.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1 to 6, the present invention discloses a behind-the-ear hearing aid structure, which includes a hearing aid main body 1, an earphone 2 and a line tube 3; wherein the hearing aid host computer 1 comprises a host computer shell 11 and a hearing aid mainboard 12 arranged in the host computer shell 1; the earphone 2 comprises an earphone shell 21 and a loudspeaker 22 arranged in the earphone shell 21, the loudspeaker 22 is electrically connected with the hearing aid mainboard 12 through a connecting wire 4, and the earphone shell 21 can be provided with a sound outlet hole 213 corresponding to the sound outlet surface of the loudspeaker 22; the connection wire 4 is sleeved on the wire tube 3 to protect the connection wire 4, the first end of the wire tube 3 is connected with the host shell 1, the second end of the wire tube 3 is connected with the earphone shell 21, and the wire tube 3 is of a bent structure and is used for being hung on the auricle of a human ear; the hearing aid main board 12 is used for picking up an external sound signal, amplifying the external sound signal, and outputting the amplified external sound signal to the speaker 22 for playing so as to realize hearing aid, and the structure of the hearing aid main board 12 is the prior art and is not described herein again.
As shown in fig. 1 to fig. 6, the key point of the present invention is: the second end of the wire tube 3 is provided with a rotary joint 5, and the rotary joint 5 is rotatably connected with the earphone shell 21, so that the utility model is universal for the left and right ears of a human body; when people wear the utility model discloses the time, people can rotate earphone 2 and adjust earphone 2's orientation according to the ear that needs were worn for earphone 2 can wear in the required ear of wearing.
As shown in fig. 1 to 6, the rotary joint 5 may be fixed to the second end of the spool 3 by welding, bonding or two-shot molding, and the outer wall of the rotary joint 5 may be provided with a first limiting portion 51 and a second limiting portion 52 which protrude outward; the earphone shell 21 is provided with a rotary connecting hole 211, the rotary joint 5 is rotatably sleeved on the rotary connecting hole 211 so that the earphone shell 21 is rotatably connected with the rotary joint 5, and the first limiting part 51 and the second limiting part 52 of the rotary joint 5 are respectively positioned at the inner side and the outer side of the earphone shell 21 to limit the earphone shell 21, so that the earphone shell 21 is prevented from falling off from the rotary joint 5.
As shown in fig. 1 to 6, the first limiting portion 51 of the rotary joint 5 may be a ring of limiting ring edges 511 disposed on the outer wall of the rotary joint 5; the second position-limiting part 52 of the rotating joint 5 comprises at least one elastic position-limiting block 521 arranged on the outer wall of the rotating joint 51; the inner wall of the earphone shell 21 is provided with a plurality of positioning through grooves 212 communicated with the rotating connecting hole 211, and the elastic limiting block 521 of the rotating joint 5 is movably embedded in each positioning through groove 212, so that the rotating positioning of the earphone 2 can be realized through the matching of the positioning through grooves 212 and the elastic limiting block 521, wherein when people need to adjust the direction of the earphone 2, people forcibly rotate the earphone 2, and at the moment, the elastic limiting block 521 can deform and rotate in the rotating connecting hole 211; when the earphone 2 rotates in place, the limiting block 521 is embedded into the positioning through groove 212 to position the earphone 2, so that the earphone 2 cannot rotate freely to affect use; as shown in fig. 5, the number of the elastic limiting blocks 521 of the second limiting portion 52 of the rotating joint 5 may be two, and the two elastic limiting blocks 521 are disposed oppositely; the number of the positioning through grooves 212 of the earphone housing 21 is two, and the two positioning through grooves 212 are also arranged oppositely, so that the earphone 2 can be rotated and positioned by 180 degrees, that is, the earphone 2 can be positioned after being rotated by 180 degrees.
As shown in fig. 1 to 6, the earphone housing 21 includes a first half shell 2101 and a second half shell 2102, the first half shell 2101 and the second half shell 2102 are connected to each other to form a receiving cavity for receiving the speaker 22, and the second half shell 2102 may be provided with the sound outlet hole 213; a first half-hole 2111 can be formed in the first half-shell 2101, a second half-hole 2112 is formed in the second half-shell 2102 corresponding to the first half-hole 2111, and the first half-hole 2111 and the second half-hole 2112 are butted to form the rotating connecting hole 211; in addition, two first half grooves 2121 may be formed in the first half shell 2101, two second half grooves 2122 are formed in the second half shell 2102 corresponding to the two first half grooves 2121, and the two first half grooves 2121 are respectively abutted with the two second half grooves 2122 to form two positioning grooves 212.
With reference to fig. 1 to 4, further, the hearing aid main unit 1 further includes a control switch 13 electrically connected to the hearing aid main board 12, the control switch 13 is used for controlling whether the ear-carried hearing aid works, the control switch 13 is disposed on the bottom of the main unit housing 1, and the top of the main unit housing 1 is connected to the first end of the wire tube 3, so that no matter the utility model is worn on the left ear or the right ear of the human body, the operation of the control switch 13 by people is not affected.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (10)
1. An behind-the-ear hearing aid construction characterized by: the hearing aid comprises a hearing aid host machine, an earphone and a line pipe;
the hearing aid host comprises a host shell and a hearing aid mainboard arranged in the host shell;
the earphone comprises an earphone shell and a loudspeaker arranged in the earphone shell, and the loudspeaker is electrically connected with the main board of the hearing aid through a connecting wire;
connecting wire is put to the spool cover, and the host computer shell is connected to the first end of spool, and the second end of spool is equipped with rotary joint, rotary joint and the rotatable connection of earphone shell.
2. A bte hearing aid construction according to claim 1, wherein: the outer wall of the rotating joint is provided with a first limiting part and a second limiting part which protrude outwards;
the earphone shell is provided with a rotating connecting hole, the rotating connecting hole is rotatably sleeved with a rotating joint, and a first limiting part and a second limiting part of the rotating joint are respectively positioned at the inner side and the outer side of the earphone shell.
3. A bte hearing aid construction according to claim 2, wherein: the second limiting part of the rotating joint comprises at least one elastic limiting block arranged on the outer wall of the rotating joint;
the inner wall of the earphone shell is provided with a plurality of positioning through grooves communicated with the rotating connecting hole, and the elastic limiting blocks of the rotating joints are movably embedded into the positioning through grooves.
4. A bte hearing aid construction according to claim 3, wherein: the number of the elastic limiting blocks of the second limiting part of the rotating joint is two, and the two elastic limiting blocks are arranged oppositely; the number of the positioning through grooves of the earphone shell is two, and the two positioning through grooves are oppositely arranged.
5. A bte hearing aid construction according to claim 2, wherein: the first limiting part of the rotary joint is a circle of limiting ring edge arranged on the outer wall of the rotary joint.
6. A bte hearing aid construction according to claim 2, wherein: the earphone shell comprises a first half shell and a second half shell, and the first half shell and the second half shell are connected with each other to form an accommodating cavity for accommodating the loudspeaker; and a first half hole is formed in the first half shell, a second half hole is formed in the second half shell, and the first half hole and the second half hole are in butt joint to form the rotating connecting hole.
7. A bte hearing aid construction according to claim 1, wherein: the hearing aid host computer also comprises a control switch electrically connected with the hearing aid mainboard, the control switch is arranged on the bottom of the host computer shell, and the top of the host computer shell is connected with the first end of the wire tube.
8. A bte hearing aid construction according to claim 1 or 5, wherein: the spool is the curved structure.
9. A bte hearing aid construction according to claim 1, wherein: the loudspeaker is a moving coil loudspeaker or a moving iron loudspeaker.
10. A bte hearing aid construction according to claim 1, wherein: the earphone shell is provided with a sound outlet hole corresponding to the sound outlet surface of the loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021433368.4U CN212486788U (en) | 2020-07-20 | 2020-07-20 | Ear-back hearing aid structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021433368.4U CN212486788U (en) | 2020-07-20 | 2020-07-20 | Ear-back hearing aid structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212486788U true CN212486788U (en) | 2021-02-05 |
Family
ID=74452133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021433368.4U Active CN212486788U (en) | 2020-07-20 | 2020-07-20 | Ear-back hearing aid structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212486788U (en) |
-
2020
- 2020-07-20 CN CN202021433368.4U patent/CN212486788U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3254834B2 (en) | earphone | |
| US11503394B2 (en) | TWS bone conduction earphone | |
| CN100377621C (en) | Triple-axis rotation type headset | |
| JP2004205839A (en) | Hearing aid | |
| US10231045B2 (en) | Portable acoustic device | |
| JP7264155B2 (en) | sound output device | |
| WO2021218901A1 (en) | Acoustic input/output device | |
| JP2022504939A (en) | Modular in-ear device | |
| CN107113486A (en) | Audio output device | |
| EP3892014B1 (en) | Ear-wearable device having tunnel with electrical contact pins | |
| CN215818549U (en) | Rotatable open TWS earphone | |
| CN114390394A (en) | Customized wireless earphone | |
| WO2021095694A1 (en) | Acoustic output device | |
| CN106658265B (en) | Noise reduction earphone and electronic equipment | |
| CN212486788U (en) | Ear-back hearing aid structure | |
| JP3066305U (en) | Hearing aid | |
| WO2016000380A1 (en) | Earphone | |
| CN212677353U (en) | Earphone and neck earphone | |
| CN210444462U (en) | Earphone set | |
| US11259128B2 (en) | Hearing aid system and a method for operating a hearing aid system | |
| KR20040066765A (en) | Two sides' ite(in-the-ear) digital hearing aid structural design with improved directivity adjustment | |
| CN213638206U (en) | Auditory canal type hearing aid | |
| CN210129947U (en) | Earplug and neck earphone | |
| CN212812038U (en) | Conversion device of ear-back hearing aid | |
| CN217116360U (en) | Ear-clamping type wireless earphone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |