CN108769889A - A kind of waterproof hearing aid and its manufacturing process - Google Patents
A kind of waterproof hearing aid and its manufacturing process Download PDFInfo
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- CN108769889A CN108769889A CN201810651849.3A CN201810651849A CN108769889A CN 108769889 A CN108769889 A CN 108769889A CN 201810651849 A CN201810651849 A CN 201810651849A CN 108769889 A CN108769889 A CN 108769889A
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- face
- piece
- sound
- sealing element
- bottom case
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/021—Behind the ear [BTE] hearing aids
- H04R2225/0213—Constructional details of earhooks, e.g. shape, material
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/003—Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The present invention relates to a kind of waterproof hearing aid and its manufacturing process, including shell, shell includes face-piece and the bottom case that is connect with face-piece, circuit board is installed in shell, it is provided with button on the outside of face-piece, through-hole is offered on face-piece, button setting is provided with the trigger switch being used cooperatively with button on through-hole, circuit board；Face-piece and bottom case close fit；Holder and sealing element are additionally provided in shell, holder is assemblied in the medial surface of face-piece, sealing element is between holder and the medial surface of face-piece, holder is used to sealing element being closely held in the medial surface of face-piece, sealing element is used to completely cut off through-hole to the connection inside and outside shell to be sealed to the through-hole on face-piece, the trigger switch of button trigger circuit plate under the interval of sealing element；Circuit board surface is coated with one layer of plasma nano-coating.The present invention is not influencing hearing aid to normal use and button under normal use, substantially increases the water resistance of hearing aid, has very good fire resistance characteristic.
Description
Technical field
The present invention relates to a kind of waterproof hearing aid and its manufacturing process.
Background technology
As global astogeny is increasingly severe, the quantity of hearing loss crowd also increases in aggravation, and hearing aid without
It is suspected to be the one of the most effective ways of compensation hearing loss.Hearing aid is a kind of suitable for hearing degeneration or hearing impaired population
Extraneous volume can be amplified, sound is enable smoothly to be transmitted to the auditory center of brain by hearing auxiliary tool.
User needs wear hearing aid always due to keep preferable hearing.During wearing, it is easy due to weather
Sweltering heat is perspired, movement is perspired or under the moister environment such as such as bathroom, existing hearing aid water resistance is poor, is held
Failure is easily led to due to the intrusion of water or sweat, affects the service life of hearing aid.
Invention content
The purpose of the present invention is to provide a kind of waterproof hearing aid and its manufacturing process.
A kind of waterproof hearing aid, including shell, the shell include face-piece and the bottom case that is connect with face-piece, in the shell
Circuit board is installed；
It is provided with button on the outside of the face-piece, through-hole is offered on the face-piece, the button is arranged in the through-hole, described
The trigger switch being used cooperatively with the button is provided on circuit board；
The face-piece and bottom case close fit；
Holder and sealing element are additionally provided in the shell, the holder is assemblied in the medial surface of face-piece, and the sealing element is located at
Between holder and the medial surface of face-piece, the holder is used to sealing element being closely held in the medial surface of face-piece, the sealing
For completely cutting off the through-hole to the connection inside and outside shell to be sealed to the through-hole on the face-piece, the button exists part
The trigger switch of the circuit board is triggered under the interval of the sealing element；
The circuit board surface is coated with one layer of plasma nano-coating.
Further, the binding face of the face-piece and bottom case is corrugated camber line, and the face-piece and the bottom case pass through wave
Line shape camber line is bonded to each other assembly.
Further, the madial wall of the face-piece is downwardly extending several top bars, and the madial wall of the bottom case is upward
Extend to form it is several it is spaced get out of a predicament or an embarrassing situation, the top bar is inserted between two neighboring get out of a predicament or an embarrassing situation；The inside of the bottom case
Wall offers slot under the side wall for accommodating top bar, and the madial wall of the face-piece is offered for accommodating the side wall got out of a predicament or an embarrassing situation
Slot, so as to be installed between bottom case and face-piece even closer.
Further, the holder includes being placed in the support plate between circuit board and sealing element and setting support plate
Opening portion, the opening portion is corresponding with the through-hole, and the button opening triggers institute under the interval of the sealing element
State the trigger switch of circuit board.
Further, the sealing element includes gasket and the groove that is opened up in gasket, and the gasket is located at face
Between shell medial surface and holder, closely supported with the medial surface of the face-piece；The groove is erected on the opening portion, is located at
Between trigger switch and button, and the groove is contacted with the trigger switch.
Further, further include leading sound long tube, institute for the amplified voice signal of circuit board to be transferred to outside shell
The lateral surface for stating bottom case offers mounting hole, and described sound long tube one end of leading is inserted by mounting hole in shell, and the end is provided with
Waterproof plug with mounting hole interference fit is to seal the mounting hole.
Further, further include leading sound short tube, receiver is provided on the circuit board, described receiver one end is provided with
Lead sound tubule, described to lead sound short tube one end and lead sound tubule be the grafting being interference fitted, and is bonded by bonding agent；It is described to lead sound
The short tube other end is closely supported with the waterproof plug.
Further, the holder further includes for the clamping part for leading sound short tube to be clamped, folder is offered on the clamping part
Hole is held, the sound short tube of leading is clamped on the holder portion by holding holes；The one end for leading sound short tube forms soft pad, should
End is supported with sound long tube is led, and soft pad setting is in clamping part and between leading sound long tube, the soft pad one side with it is described
Clamping part supports, and another side is supported with sound long tube is led, so as to lead sound long tube and lead sound short tube and preferably closely support.
Further, further include the waterproof net entered on sound mouth for being bonded in face-piece.
A kind of manufacturing process of waterproof hearing aid, includes the following steps：
S1：Manufacture face-piece and bottom case according to precision die, the binding face of face-piece and bottom case be designed as corrugated camber line, face-piece and
Bottom case is the design of close fit；
S2：Holder and sealing element are provided, for sealing element between holder and the medial surface of face-piece, sealing element is designed to binding face
Shell（10）The shape of medial surface, holder are used to sealing element being closely held in the medial surface of face-piece；
S3：Circuit board is provided, is coated with one layer of plasma nano-coating in circuit board surface, circuit board is rack-mount；
S4：Sound long tube is led in offer, and the lateral surface of bottom case offers mounting hole, and leading one end of sound long tube, be provided with can be with mounting hole mistake
Be full of cooperation waterproof plug to seal the mounting hole；
S5：Sound short tube is led in offer, and receiver on circuit boards is arranged, and one end, which is provided with, leads sound tubule, leads sound short tube and leads
Sound tubule is the grafting of interference fit, and is bonded by bonding agent；It leads sound short tube and is set for what is mutually closely supported with sound long tube is led
Meter, raising lead sound short tube and lead the water resistance between sound long tube.
There are two types of the waterproof type tools of the present invention, and one is pass through the close fit and use branch between face-piece and bottom case
Sealing element is closely held in the medial surface of face-piece by frame, prevents moisture from entering in shell；Another kind be have a small amount of moisture into
When entering in shell, by the plasma nano-coating and receiver that are coated to circuit board surface, leads sound long tube and lead sound short tube
Between close connection will not influence the normal use of hearing aid even if contain a small amount of moisture in shell, the present invention is logical
Both waterproof types are crossed, are not influencing hearing aid to the amplification and button of voice signal under normal use,
Using dual waterproofing protection mode, the water resistance of hearing aid is substantially increased, there is very good fire resistance characteristic.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the exploded perspective view of the present invention；
Fig. 3 is the exploded perspective view of the face-piece of the present invention, holder and sealing element；
Cut away view when Fig. 4 is the face-piece of the present invention, holder is connected with sealing element.
Specific implementation mode
Below in conjunction with specific embodiment and attached drawing, present invention is further described in detail.
As depicted in figs. 1 and 2, in a preferred embodiment, waterproof hearing aid of the invention includes shell, and the shell includes
Face-piece 10 and the bottom case 20 being connect with face-piece 10, are equipped with circuit board 30 in shell, and 10 outside of face-piece is provided with button 40, face
Through-hole 11 is offered on shell 10, button 40 is arranged in the through-hole 11, is provided on circuit board 30 and is used cooperatively with button 40
Trigger switch 31.
Face-piece 10 and 20 close fit of bottom case, play the role of waterproof.Holder 50 and sealing element 60 are additionally provided in shell,
Holder 50 is assemblied in the medial surface of face-piece 10, and sealing element 60 is erected between holder 50 and face-piece 10, and holder 50 will be for that will seal
Part 60 is closely held in the medial surface of face-piece 10, and sealing element 60 is for completely cutting off through-hole 11 to the connection inside and outside shell with right
Through-hole on face-piece 10 is sealed, the trigger switch 31 of the trigger circuit plate 30 under the interval of sealing element 60 of button 40.
In addition, being bonded with waterproof net 12 on sound mouth in entering for face-piece 10.
Surface on circuit board 30 is coated with one layer of plasma nano-coating, is used for waterproof.
Below also referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, to illustrate structure and the work of waterproof hearing aid of the present invention
Principle.
Specifically, face-piece 10 of the invention and bottom case 20 are close fit.Face-piece 10 and bottom case 20 are all made of precision die
Injection molding so that the assembly surface of face-piece 10 and bottom case 20 fits together well when mounted so that face-piece 10 and bottom
Shell 20 closely connects, and has the function of waterproof.Face-piece 10 has the function of closing the opening of bottom case 20.Face-piece 10 and 20 structure of bottom case
At the shell structure of hearing aid.
The side wall lower ends of face-piece 10 form corrugated camber line, and the sidewall upper of bottom case 20 is provided with corresponding corrugated arc
Line, face-piece 10 and bottom case 20 are bonded to each other close-fitting by corrugated camber line, and the design of corrugated camber line makes face-piece 10 and bottom case
20 fit together, and fitting is even closer.In addition, water-proof silica-gel part can also be fitted between face-piece 10 and bottom case 20（Figure
It is not shown）, water-proof silica-gel part is bonded with face-piece 10 and bottom case 20, can further waterproof.
Further, the madial wall of bottom case 20 upwardly extend to be formed it is several get out of a predicament or an embarrassing situation 23, it is two neighboring to get out of a predicament or an embarrassing situation between 23
With interval, the madial wall of face-piece 10 is downwardly extending several top bars 14, and top bar 14, which is inserted into, two neighboring gets out of a predicament or an embarrassing situation 23
Between interval in, the madial wall of bottom case 20 offers slot 24 under the side wall for accommodating top bar 14, the madial wall of face-piece 10
Also offer for accommodate get out of a predicament or an embarrassing situation 23 side wall on slot 15 so that 20 better close fit of face-piece 10 and bottom case.It can manage
Solution, top bar 14 are located at two neighboring get out of a predicament or an embarrassing situation between 23 so that top bar and correspond to plug hole between getting out of a predicament or an embarrassing situation and are arranged, get out of a predicament or an embarrassing situation
23 are inserted into slot 15 on the side wall of face-piece 10, and top bar 14 is inserted under the side wall of bottom case 20 in slot 24, and bottom case 20 and face-piece can be prevented
10 front and back offset or left and right offset so that bottom case 20 and the preferably close fit of face-piece 10 improve the water proofing property of hearing aid
Can, further prevent moisture to be penetrated into shell from the link position of face-piece 10 and bottom case 20.Preferably, 14 both ends of top bar with
It gets out of a predicament or an embarrassing situation for its adjacent two and 23 supports, improve water resistance.
It should be noted that get out of a predicament or an embarrassing situation 23 and top bar 14 not influence the binding face of face-piece and bottom case be corrugated camber line
Design, get out of a predicament or an embarrassing situation 23 and the design function of top bar 14 be that firm fitting between face-piece and bottom case closely connects, Jin Erjia
Water resistance between bottom case 20 and face-piece 10 by force.Get out of a predicament or an embarrassing situation 23 and top bar 14 design itself have certain water proofing property
Can, and the ingenious steady connection for strengthening bottom case and face-piece, further increase its water resistance.
Further, it can be bonded, reinforced between face-piece 10 and bottom case 20 by screw in face-piece 10 and bottom case 20
Close fit.
In this way, can prevent moisture from being penetrated into shell from the junction of face-piece 10 and bottom case 20.
To prevent moisture from entering in shell from the through-hole 11 on face-piece 10, and ensure that button 40 can be used normally, this hair
It is bright to be provided with holder 50 and sealing element 60.Sealing element 60 passes through holder 50 between holder 50 and the medial surface of face-piece 10
Effect is supported, sealing element 60 can block the through-hole 11 on face-piece 10, completely cut off the connection inside and outside through-hole 11, prevent water
Enter in face-piece 10 from through-hole 11.In addition, silica gel can be used for sealing element 60 or the softer material of other quality is made, have good
Waterproof action, do not interfere with the pressing of button 40, button 40 can be under the interval of sealing element 60 on trigger circuit plate 30
Trigger switch 31.Therefore, it is supported by sealing element 60 and the close of 10 medial surface of face-piece, even if in 40 moisture of pressing keys
It will not be flowed into face-piece 10 from through-hole 11 and button 40 and the gap location of sealing element 60, there is good waterproof action.
In the present embodiment, holder 10 includes that the support plate 51 being placed between circuit board 30 and sealing element 60 and setting are being propped up
Opening portion 52 on fagging 51, opening portion 52 is corresponding with through-hole 11, and 40 opening 52 of button is under the interval of sealing element 60
The trigger switch 31 of trigger circuit plate 30.Preferably to support sealing element 60, support plate 51 is made of the harder material of quality,
Such as metal material, reinforcing support effect to sealing element 60.It is opened between through-hole 11 and trigger switch 31 opening portion 52
Oral area 52 is also therefore through-hole does not interfere with the use of button 40.
Further, sealing element 60 is located at including gasket 61 and the groove 62 opened up in gasket 61, gasket 61
Between 10 medial surface of face-piece and holder 50, closely supported with the medial surface of face-piece 10.Groove 62 is erected on opening portion 52, is located at
Between trigger switch 31 and button 40.It is appreciated that gasket 61 and the medial surface of face-piece 10 closely support, the work of waterproof is played
With groove 62 is between trigger switch 31 and button 40, when button 40 triggers trigger switch 31, has certain pressing stroke.
To ensure waterproof action, when button 40 presses, gasket 61 and the medial surface of face-piece 10 still maintain the state of supporting, and seal
Recess forms groove 62 to pad 61 downwards, and groove 62 is contacted with trigger switch 31 so that button 40 is contacted with the bottom of groove 62
Afterwards, button 40 has just been contacted with trigger switch 31.Shorten the influence to sealing element 60 when button 40 presses so that press
When triggering trigger switch 31, gasket 61 is still closely supported with the medial surface of face-piece 10 key 40, prevents moisture from being oozed from this
Thoroughly in shell.
In this way, can prevent moisture from being penetrated into shell from the button position of face-piece 10.
In the present embodiment, microphone 32 and receiver 33 are provided on circuit board 30, the surface of face-piece 10 is offered into sound
Mouth 12, enters to be bonded with waterproof net 13 on sound mouth 12 at this, prevents moisture from entering in face-piece 10 from sound mouth 12 is entered.Microphone 32 with enter
Sound mouth 12 is correspondingly arranged, and extraneous sound can pass through waterproof net 13 to enter in shell.Sealing element 60 further include for be connected into
Sound mouth and microphone 32 enter sound through-hole 63, and therefore, sealing element 60 does not influence collection of the microphone 32 to voice signal.In addition,
Enter sound mouth 12 and may be provided with multiple, be also correspondingly arranged on multiple microphones 32 on circuit board 30, it is each enter sound mouth 12 can glue
It is connected to waterproof net 13.
As a preferred embodiment of the present embodiment, the lateral surface of bottom case 20 offers mounting hole 22, leads sound long tube 80
One end is inserted into shell, and the end is provided with the waterproof plug 81 that can be interference fitted with mounting hole 22 to seal mounting hole, in turn
Prevent moisture from entering in shell from mounting hole 22.Sound long tube 80 is led for 30 amplified voice signal of circuit board to be transferred to shell
In vitro.One bolt 21 is installed in mounting hole, waterproof plug 81 is passed through by bolt 21, waterproof plug 81 is further consolidated and exists
Installation on mounting hole 22.In addition, bolt 21 leads sound channel not through lead sound long tube 80, do not influence to lead leading for sound long tube 80
Sound acts on.
To sum up, the present invention has good water resistance, can prevent moisture from entering in shell, the circuit board in protective shell body
And the normal use of hearing aid.
Further include leading sound short tube 70 in the present embodiment, 33 one end of receiver, which is provided with, leads sound tubule 34, lead sound short tube 70 with
It leads sound tubule 34 and is the grafting of interference fit, and be bonded by bonding agent.The voice signal of receiver 33 is by leading sound short tube 70
It is transferred to and leads sound long tube 80.The earplug of duct can be placed in by being connected in the end for leading sound long tube 80 so that sound is transferred to duct
On.
Further, the sound channel of leading for leading sound long tube 80 extends on waterproof plug 81, and waterproof plug 81 with to lead sound short
It is mutually closely supported between pipe 70.Lead leading sound channel and being connected to the sound channel of leading for leading sound long tube 80 for sound short tube 70.In addition, setting
80 one end of sound long tube is led outside shell, is sealing due to leading 80 other end of sound long tube, moisture will not be outside shell
It leads 80 one end of sound long tube to enter in shell, so as to circuit board of the protection setting in shell.
Further, holder 50 further includes for the clamping part 53 for leading sound short tube 70 to be clamped, folder is offered on clamping part 53
Hole 54 is held, sound short tube 70 is led and is clamped on clamping part 53 by holding holes 54.It leads and offers soft pad on the end of sound short tube 70
71, in clamping part 53 and between leading sound long tube 80,71 one side of soft pad supports soft pad 71 with clamping part 53, and sound is led for limiting
Movement of the short tube 70 in holding holes 54, another side are supported with sound long tube 80 is led, so as to lead sound long tube 80 and lead sound short tube 70 more
It closely supports well.It is appreciated that the effect of clamping part 53, which is to be clamped, leads sound short tube 70, and support, limits with soft pad 71
Lead the movement of sound short tube 70.71 one side of soft pad is supported with clamping part 53, and another side is supported with sound long tube 80 is led, and is equivalent to and is led sound
Long tube 80 is interference fitted with sound short tube 70 is led by soft pad 71, and leading sound long tube 80 will not shift with sound short tube 70 is led.This
Sample is arranged, and receiver 33 leads sound short tube 70 and lead the transmission that sound long tube 80 is interengageable for voice signal, receiver 33 with lead
Grafting between sound short tube 70, and lead sound short tube 70 and supported with 80 close-fitting of sound long tube is led, good waterproof action is all had, is being carried
While high water resistance, ensure receiver 33, lead sound long tube 80 and leads the sound transmission between 70 three of sound short tube.Therefore,
It prevents moisture from receiver 33 and leads the junction of sound short tube 70 and lead sound short tube 70 and lead the junction entrance of sound long tube 80
Receiver is led in sound channel.
Further, since receiver 33 is clamped on clamping part 53, the inside that receiver 33 passes through conducting wire and circuit board 30
Circuit turn-on is coated with one layer of plasma in the link position of conducting wire and receiver 33 and with the link position of circuit board 30
Nano coating, further waterproof.
There are two types of the waterproof type tools of the present invention：One is pass through the close fit and use branch between face-piece and bottom case
Sealing element is closely held in the medial surface of face-piece by frame, prevents moisture from entering in shell；If another kind is that having a small amount of water
When point entering in shell, by the plasma nano-coating and receiver that are coated to circuit board, sound long tube 80 is led and to lead sound short
Close connection between pipe 70 will not influence the normal use of hearing aid even if contain a small amount of moisture in shell.This hair
It is bright by both waterproof types, do not influencing hearing aid to the amplification of voice signal and the normal use situation of button
Under, using dual waterproofing protection mode, substantially increase the water resistance of hearing aid.The present invention is by test, waterproofing grade
Reach IPX7, there is very good fire resistance characteristic.
The invention also includes battery 83 and battery compartment 84, for providing electric energy, battery 83 and battery compartment 84 are all provided with battery 83
It sets on bottom case 20.
The present invention also provides a kind of manufacturing process of waterproof hearing aid, include the following steps：
S1：Manufacture face-piece and bottom case according to precision die, the binding face of face-piece and bottom case be designed as corrugated camber line, face-piece and
Bottom case is the design of close fit；
S2：Holder and sealing element are provided, for sealing element between holder and the medial surface of face-piece, sealing element is designed to binding face
The shape of shell medial surface, holder are used to sealing element being closely held in the medial surface of face-piece；
S3：Circuit board is provided, is coated with one layer of plasma nano-coating in circuit board surface, circuit board is rack-mount；
S4：Sound long tube is led in offer, and the lateral surface of bottom case offers mounting hole, and leading one end of sound long tube, be provided with can be with mounting hole mistake
Be full of cooperation waterproof plug to seal the mounting hole；
S5：Sound short tube is led in offer, and receiver on circuit boards is arranged, and one end, which is provided with, leads sound tubule, leads sound short tube and leads
Sound tubule is the grafting of interference fit, and is bonded by bonding agent；It leads sound short tube and is set for what is mutually closely supported with sound long tube is led
Meter, raising lead sound short tube and lead the water resistance of sound long tube.
In addition, further including the waterproof net 13 entered on sound mouth 12 for being bonded in face-piece 10.
Although description of this invention combination embodiments above carries out, those skilled in the art
Member can carry out many replacements according to above-mentioned content, modifications and variations, be obvious.Therefore, it is all it is such substitute,
It improves and variation is included in the spirit and scope of appended claims.
Claims (10)
1. a kind of waterproof hearing aid, including shell, the shell includes face-piece（10）The bottom case being connect with face-piece（20）, described
Circuit board is installed in shell（30）, which is characterized in that
It is provided with button on the outside of the face-piece（40）, through-hole is offered on the face-piece（11）, the button setting is described logical
In hole, the trigger switch being used cooperatively with the button is provided on the circuit board（31）；
The face-piece and bottom case close fit；
It is additionally provided with holder in the shell（50）And sealing element（60）, the holder is assemblied in the medial surface of face-piece, described close
For sealing between holder and the medial surface of face-piece, the holder is used to sealing element being closely held in the medial surface of face-piece,
The sealing element is used to completely cut off the through-hole to the connection inside and outside shell to be sealed to the through-hole on the face-piece, institute
State the trigger switch that button triggers the circuit board under the interval of the sealing element；
The circuit board surface is coated with one layer of plasma nano-coating.
2. waterproof hearing aid according to claim 1, which is characterized in that the binding face of the face-piece and bottom case is corrugated
Camber line, the face-piece and the bottom case are bonded to each other assembly by corrugated camber line.
3. waterproof hearing aid according to claim 1, which is characterized in that if the madial wall of the face-piece is downwardly extending
Dry top bar（14）, the madial wall of the bottom case upwardly extends to form several spaced get out of a predicament or an embarrassing situation（23）, the top bar
It is inserted between two neighboring get out of a predicament or an embarrassing situation；The madial wall of the bottom case offers slot under the side wall for accommodating top bar（24）, institute
The madial wall for stating face-piece is offered for accommodating slot on the side wall got out of a predicament or an embarrassing situation（15）, more step up so as to be installed between bottom case and face-piece
It is close.
4. waterproof hearing aid according to claim 1, which is characterized in that the holder includes being placed in circuit board and sealing element
Between support plate（51）And the opening portion in setting support plate（52）, the opening portion and the through-hole（11）It is corresponding, institute
State the trigger switch that button opening triggers the circuit board under the interval of the sealing element.
5. waterproof hearing aid according to claim 4, which is characterized in that the sealing element includes gasket（61）And
The groove that gasket opens up（62）, the gasket is tight with the medial surface of the face-piece between face-piece medial surface and holder
It is close to support；The groove is erected on the opening portion, between trigger switch and button, and the groove and the triggering
Switch contact.
6. waterproof hearing aid according to claim 1, which is characterized in that further include for by the amplified sound of circuit board
Signal is transferred to outside shell and leads sound long tube（80）, the lateral surface of the bottom case offers mounting hole（22）, described to lead sound long tube
One end is inserted by mounting hole in shell, and the end is provided with the waterproof plug being interference fitted with mounting hole（81）Described in sealing
Mounting hole.
7. waterproof hearing aid according to claim 1, which is characterized in that further include leading sound short tube（70）, the circuit board
On be provided with receiver（33）, described receiver one end, which is provided with, leads sound tubule（34）, described to lead sound short tube one end and to lead sound thin
Pipe is the grafting of interference fit, and is bonded by bonding agent；The sound short tube other end of leading closely is supported with the waterproof plug.
8. the waterproof hearing aid described according to claim 6 or 7, which is characterized in that the holder further includes leading sound for being clamped
The clamping part of short tube（53）, holding holes are offered on the clamping part（54）, the sound short tube of leading is clamped in by holding holes
On clamping part；The one end for leading sound short tube forms soft pad（71）, which supports with sound long tube is led, and the soft pad is set
It sets in clamping part and between leading sound long tube, the soft pad one side is supported with the clamping part, and another side is supported with sound long tube is led,
So as to lead sound long tube and lead sound short tube and preferably closely support.
9. waterproof hearing aid according to claim 1, which is characterized in that further include be bonded in face-piece enter sound mouth（12）On
Waterproof net（13）.
10. a kind of manufacturing process of waterproof hearing aid, which is characterized in that include the following steps：
S1：Manufacture face-piece and bottom case according to precision die, the binding face of face-piece and bottom case be designed as corrugated camber line, face-piece and
Bottom case is the design of close fit；
S2：Holder and sealing element are provided, for sealing element between holder and the medial surface of face-piece, sealing element is designed to binding face
Shell（10）The shape of medial surface, holder are used to sealing element being closely held in the medial surface of face-piece；
S3：Circuit board is provided, is coated with one layer of plasma nano-coating in circuit board surface, circuit board is rack-mount；
S4：Sound long tube is led in offer, and the lateral surface of bottom case offers mounting hole, and leading one end of sound long tube, be provided with can be with mounting hole mistake
Be full of cooperation waterproof plug to seal the mounting hole；
S5：Sound short tube is led in offer, and receiver on circuit boards is arranged, and one end, which is provided with, leads sound tubule, leads sound short tube and leads
Sound tubule is the grafting of interference fit, and is bonded by bonding agent；It leads sound short tube and is set for what is mutually closely supported with sound long tube is led
Meter, raising lead sound short tube and lead the water resistance between sound long tube.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3823305A1 (en) * | 2019-11-15 | 2021-05-19 | GN Hearing A/S | Compact, watertight and acoustically-tight button structure |
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| WO2021094450A1 (en) * | 2019-11-15 | 2021-05-20 | Gn Hearing A/S | Compact, watertight and acoustically-tight button structure |
| US11540067B2 (en) | 2019-11-15 | 2022-12-27 | Gn Hearing A/S | Compact, watertight and acoustically-tight button structure |
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