CN206149498U - Vibrating diaphragm and receiver - Google Patents

Abstract

The utility model relates to a receiver field especially relates to a receiver that is used for the vibrating diaphragm of receiver and has this vibrating diaphragm. Wherein, this vibrating diaphragm involving vibrations board, including the first surface and the second surface of first surface dorsad, the outer wall that vibrates the board is equipped with the recess, film, film cover in the first surface of vibration board, the stand frame, the inside wall and the right position of groove phase of stand frame are equipped with fixed knot constructs, and fixed knot constructs the block in the recess. The vibration board cooperates closely between film and the stand frame, and moving -iron receiver during operation, sound are difficult to cause the distortion. The utility model provides a receiver that has this vibrating diaphragm.

Description

A kind of vibrating diaphragm and receiver

Technical field

This utility model is related to receiver field, more particularly to a kind of for the vibrating diaphragm of receiver and with this vibration The receiver of film.

Background technology

The characteristics of moving-iron receiver has sensitivity height and transient response.At present, moving-iron receiver has been widely used In sonifer and covert-channel market.And the performance of the thin film of moving-iron receiver distortion then to receiver, high transient state are corresponding Property etc. plays a decisive role.In order to improve the rigidity of the thin film of moving-iron receiver, prior art is increased on Membranous Foundations shakes Dynamic component, wherein, after vibration component and thin film patch cooperation, it is fixed with stand frame.

However, when moving-iron receiver works, easily occurring coordinating untight phenomenon between vibration component and thin film, causing The easy distortion of sound.

Utility model content

One purpose of this utility model embodiment aims to provide a kind of vibrating diaphragm and receiver, and which can solve the problem that existing shaking Easily occur coordinating untight phenomenon and causing the technical problem of the easy distortion of sound between dynamic component and thin film.

To solve above-mentioned technical problem, the technical scheme that this utility model is adopted is：A kind of vibrating diaphragm is provided, it is described Vibrating diaphragm includes oscillating plate, including first surface and the dorsad second surface of the first surface, and the outer wall of the oscillating plate sets It is fluted；Thin film, the thin film are covered in the first surface of the oscillating plate；Stand frame, the medial wall of the stand frame and institute State the relative position of groove and be provided with fixed structure, the fixed structure is fastened in the groove.

Wherein, the fixed structure includes elastic component and fixed ball, and one end of the elastic component is arranged on the stand frame Medial wall, the other end and fixed ball connection, and the fixed ball is fastened in the groove.

Wherein, the outer wall of the oscillating plate includes the first relative outer wall and the second outer wall；The groove includes that first is recessed Groove and the second groove, first groove are arranged on first outer wall, and second groove is arranged on second outer wall On；The stand frame includes relative first support and second support, and the medial wall of the first support is provided with the first elastic component Ball is fixed with first, one end of first elastic component is arranged on the medial wall of the first support, the other end and described first Fixed ball connection, and the first fixation ball is fastened on first groove；The medial wall of the second support is provided with second Elastic component and second fixes ball, and one end of second elastic component is arranged on the medial wall of the second support, the other end and institute The connection of the second fixation ball is stated, and the second fixation ball is fastened on second groove.

Wherein, the second surface is provided with some reinforcements.

Wherein, the second surface is arranged with the first depressed area and the second depressed area, and the reinforcement is arranged at described Between first depressed area and second depressed area.

Wherein, the vibrating diaphragm is also included for coordinating the stand frame with the frame of the fixation oscillating plate, the side Frame is fastened on stand frame, and oscillating plate is sandwiched in which between stand frame.

Wherein, the inwall of the stand frame is provided with draw-in groove portion；The outer wall of the frame is in position corresponding with the draw-in groove portion Clamping part is installed, the clamping part is buckled in the draw-in groove portion.

To solve above-mentioned technical problem, another technical scheme that this utility model is adopted is：A kind of receiver is provided, is wrapped The lower casing for including vibrating diaphragm, upper casing and being oppositely arranged with the upper casing, the vibrating diaphragm be arranged at the upper casing and the lower casing it Between, wherein, the vibrating diaphragm includes：Oscillating plate, including first surface and the dorsad second surface of the first surface, it is described to shake The outer wall of dynamic plate is provided with groove；Thin film, the thin film are covered in the first surface of the oscillating plate；Stand frame, the stand frame The medial wall position relative with the groove be provided with fixed structure, the fixed structure is fastened in the groove.

Wherein, the fixed structure includes elastic component and fixed ball, and one end of the elastic component is arranged on the stand frame Medial wall, the other end and fixed ball connection, and the fixed ball is fastened in the groove.

Wherein, the outer wall of oscillating plate includes the first relative outer wall and the second outer wall；

The groove includes the first groove and the second groove, and first groove is arranged on first outer wall, described Second groove is arranged on second outer wall；

The stand frame includes relative first support and second support, and the medial wall of the first support is provided with the first bullet Property part and first fix ball, one end of first elastic component is arranged on the medial wall of the first support, the other end and described First fixes ball connection, and the first fixation ball is fastened on first groove；The medial wall of the second support is provided with Second elastic component and second fixes ball, and one end of second elastic component is arranged on the medial wall of the second support, the other end Ball connection is fixed with described second, and the second fixation ball is fastened on second groove.

The beneficial effect of this utility model embodiment is：It is different from the situation of prior art, this utility model embodiment The oscillating plate of the vibrating diaphragm of offer, coordinates tight between thin film and stand frame, when moving-iron receiver works, sound cannot be easily caused Distortion.

Description of the drawings

Fig. 1 is the structural representation of the receiver of this utility model embodiment；

Fig. 2 is the decomposing schematic representation of the upper casing of the receiver of this utility model embodiment, lower casing and vibrating diaphragm；

Fig. 3 is the decomposing schematic representation of the vibrating diaphragm of this utility model embodiment；

Fig. 4 is the decomposing schematic representation of the oscillating plate and stand frame of the vibrating diaphragm of this utility model embodiment；

Fig. 5 is the schematic diagram of the oscillating plate of this utility model embodiment.

Specific embodiment

For the ease of understanding this utility model, with reference to the accompanying drawings and detailed description, this utility model is carried out more Detailed description.It should be noted that when element is expressed " being fixed on " another element, it can directly in another element There may be above or therebetween one or more elements placed in the middle.When an element is expressed " connection " another element, it can To be directly to another element or there may be one or more elements placed in the middle therebetween.This specification is used Term " vertical ", " level ", "left", "right" and similar statement for illustrative purposes only.

Unless otherwise defined, this specification is used all of technology and scientific terminology with belong to skill of the present utility model The implication that the technical staff in art field is generally understood that is identical.In art used in the description of the present utility model in this specification Language is intended merely to the purpose for describing specific embodiment, is not intended to limit this utility model.The art used by this specification Language "and/or" includes the arbitrary and all of combination of one or more related Listed Items.

Fig. 1 is referred to, this utility model embodiment provides a kind of receiver 100, including vibrating diaphragm 20, conductive bar 30, shell Body 40 and magnetic force mechanism 50.

Further, as shown in Fig. 2 accommodating chamber 410 is provided with housing 40, and housing 40 includes upper casing 420 with Shell 430.Magnetic force mechanism 50 is connected with vibrating diaphragm 20 by conductive bar 30, and vibrating diaphragm 20, and conductive bar 30 and magnetic force are transported Motivation structure 50 is all contained in accommodating chamber 410, and vibrating diaphragm 20 is located in upper casing 420, and magnetic force mechanism 50 is located at lower casing 430 It is interior.

Upper casing 420 includes the upper side wall 422 that top board 421 and the edge from top board are extended downwardly, and is provided with upper side wall 422 First fixed swage 4221 and the second fixed swage 4222.

Further, as shown in figure 3, vibrating diaphragm 20 includes oscillating plate 210, thin film 220 and stand frame 230.Oscillating plate 210 On be provided with first through hole 213 for being connected with conductive bar 30, magnetic force mechanism 50 drives vibrating diaphragm by conductive bar 30 20 produce sound wave, so as to complete the signal of telecommunication to the conversion of acoustical signal.Wherein, oscillating plate 210 includes first surface 211 and dorsad The second surface 212 of first surface 211, wherein, thin film 220 is covered in the first surface 211 of oscillating plate 210.220 correspondence of thin film One second through hole 223 is formed at first through hole 213, for being connected with conductive bar 30, and the edge of thin film 220 forms flange 222, Edge of the flange 222 against oscillating plate 210.

Fig. 4 is referred to, in the present embodiment, the outer wall of oscillating plate 210 includes the first relative outer wall 213 and the second outer wall 214, the first outer wall 213 is provided with the first groove 2131, and on the second outer wall 214, to be provided with second recessed for the position relative with the first groove Groove 2141.

Stand frame 230 includes relative first support 231 and second support 232, and the medial wall of first support 231 is provided with One elastic component 2311 and first fixes ball 2312, and one end of the first elastic component 2311 is arranged on the medial wall of first support 231, separately One end and the first fixation ball 2312 connect, and the first fixation ball is fastened on the first groove 2131；The medial wall of second support 232 It is provided with the second elastic component 2321 and second and fixes ball 2322, one end of the second elastic component 2321 is arranged on the interior of second support 231 Side wall, the other end and the second fixation ball 2322 connect, and the second fixation ball 2322 is fastened in the second groove 2141.In this reality Apply in example, the first elastic deformation part 2311 and the second elastic deformation part 2321 are spring.Using elastic deformation part can elasticity Shape performance, when oscillating plate 210 is embedded in stand frame 230, the first fixation ball 2312 slides into corresponding with the first groove 2131 Position, and be contained in the first groove 2131, similarly, the second fixation ball 2322 slides into corresponding with the second groove 2141 Position, and be contained in the second groove 2141, so as to stand frame 230 is fixed with oscillating plate 210, this kind of fixed form can be entered One step fixes thin film 220, it is to avoid the amplitude in vibration processes of thin film 220 is too big, produces distortion phenomenon.In other embodiments, After oscillating plate 210 is mutually fixed with thin film 220, it is also possible to by the embedded stand frame 230 of interference fit.

In some implementations, the bottom of the inwall of stand frame 230 extends internally towards the direction parallel to stand frame 230 convex Rise, oscillating plate 210 and thin film 220 are placed in stand frame 230.Thin film 220, away from first surface 211 one side edge with should Projection contacts are fixed.The raised contact area for arranging on the one hand increase thin film 220 and stand frame 230 preferably fixes thin film 220, position-limiting action is played to oscillating plate 210 and thin film 220 on the other hand.

Fig. 5 is referred to, the second surface 212 of oscillating plate 210 can be provided with some reinforcements 2121, thin for being further ensured that Film 220 is steady in vibration processes.In certain embodiments, second surface 212 can also be arranged with the first depressed area 2122 With the second depressed area 2123, reinforcement 2121 is arranged between the first depressed area 2122 and the second depressed area 2123.Depressed area Design can ensure thin film 220 in vibration processes it is steady simultaneously, it is to avoid oscillating plate quality is overweight, lifted receiver 100 Consumer's Experience.

In certain embodiments, vibrating diaphragm 20 can also be included for coordinating stand frame 230 further to fix oscillating plate 210 and the frame of thin film 220.The frame is fastened on stand frame 230, and oscillating plate 210 is sandwiched in which between stand frame 230.Its In, the inwall of stand frame 230 is provided with draw-in groove portion, and the outer wall of frame is being provided with clamping part, buckle with 230 corresponding position of draw-in groove portion Portion is buckled in draw-in groove portion.By the cooperation of stand frame 230 and frame, limit can be played to oscillating plate 210 and thin film 220 preferably Position effect, further fixes oscillating plate 210 and thin film 220.

Fig. 2 is referred to, the outer wall of stand frame 230 is extended with the first extension 233 towards the direction correspondence perpendicular to stand frame With the second extension 234, and the first extension 233 is provided with the first elastic boss 2331 and the 3rd fixed swage 2332, the Two extensions 234 are provided with the second elastic boss 2341 and the 4th fixed swage 2342.First elastic boss 2331 is placed in the 3rd The surface of fixed swage 2332, similarly, the second elastic boss 2341 is placed in the surface of the 4th fixed swage 2342.Its In, the first elastic boss 2331 is fixed with 4221 male-female engagement of the first fixed swage, and the second elastic boss 2341 and second is fixed 4222 male-female engagements that are recessed are fixed so that stand frame 230 is fixed with upper casing 420.

Further, housing 40 is also fixed ball 440, the 3rd elastic deformation part the 450, the 4th including the 3rd and fixes 460 and of ball 4th elastic deformation part 470.

Further, lower casing 430 includes the upwardly extending lower wall of base plate 431 and the edge from base plate 432.Lower wall 432 top is provided with the first fixing groove 4321 and the second fixing groove 4322, and the side wall of the first fixing groove 4321 is provided with first Buckling groove 4323, the first buckling groove 4323 are connected with the first fixing groove 4321, and one end of the 3rd elastic deformation part 450 is fixed on The bottom of one buckling groove 4323, and the other end fixed with the 3rd fixation ball 440, when the 3rd elastic deformation part 450 is in nature During retracted position, the 3rd 440 part of fixation ball protrudes from the first buckling groove 4323 and stretches in the first fixing groove 4321.Second The side wall of fixing groove 4322 is provided with the second buckling groove 4324, and the second buckling groove 4324 is connected with the second fixing groove 4322, and the 4th The bottom of the second buckling groove 4324 is fixed in one end of elastic deformation part 470, and the other end is fixed with the 4th fixation ball 460, When the 4th elastic deformation part 470 is in nature retracted position, the 4th 460 part of fixation ball protrudes from the second buckling groove 4324 simultaneously And stretch in the second fixing groove 4322.

In the present embodiment, the 3rd elastic deformation part 450 and the second elastic deformation part 460 are spring.Using elastic shape Become part can elastic shape performance, insert the first fixing groove 4321 in the first extension 233, the insertion of the second extension 234 second is solid When determining groove 4322, the first extension 233 promotes the 3rd to fix ball 440 and retracts in the first buckling groove 4323, and the second extension 234 is pushed away Dynamic 4th fixes ball 460 retracts in the second buckling groove 4324, until fixing ball with the 3rd when the 3rd fixed swage 2332 slides into 440 corresponding positions, and the second fixed swage 2342 slid into when fixing the corresponding position of ball 460 with the 4th, the 3rd Fixed ball 440 is pushed to by the 3rd elastic deformation part 450 and is partially submerged in the 3rd fixed swage 2332, and the 4th fixes 460 quilt of ball 4th elastic deformation part 470 is pushed to and is partially submerged in the second fixed swage 2342, so as to vibrating diaphragm 20 is mutually solid with lower casing 430 It is fixed.So that upper casing 420, lower casing 430 are mutually fixed with 20 three of vibrating diaphragm, and upper casing 420, lower casing 430 and vibrating diaphragm 20 It is to be detachably fixed between three, facilitates.

It should be noted that：For more preferable ground fixed support frame 230 and lower casing 430, the first fixing groove 4321 and second Fixing groove 4322 can be oppositely arranged, for example：When lower casing 430 is for square, the first fixing groove 4321 and the second fixing groove 4322 are distinguished Positioned at the top of two relative lower walls 432.

Further, between lower casing 430 and stand frame 230, and it is additionally provided between upper casing 420 and stand frame 230 close Packing, it is to avoid, in sounding, air-flow is between lower casing 430 and stand frame 230, and/or upper casing 420 and stand frame for receiver 100 Gap between 230 is flowed out, and affects the performance of receiver.

This utility model embodiment has the beneficial effect that：Vibrating diaphragm 20 and receiver 100 that the present embodiment is provided, can pass through In the medial wall of stand frame 230, the position relative with groove is provided with fixed structure, makes oscillating plate 210, thin film 220 and stand frame 230 coordinate even closer, when receiver 100 works, it is not easy to cause audio distortions because the amplitude of thin film 220 is excessive Phenomenon.

This utility model embodiment also provides a kind of manufacture method of above-mentioned vibrating diaphragm 20, including：

Step 1：An oscillating plate 210 is provided, the oscillating plate 210 has first through hole 213；

In the present embodiment, oscillating plate 210 is sheet metal, can be obtained using punch forming.In the same of punching press oscillating plate 210 When, the punching press on oscillating plate 210 obtains first through hole 213.

Step 2：Cover film 220 is in a surface of oscillating plate 210；

Thin film 220 is covered in into a surface of oscillating plate 210, and flange 222 is caused against the edge of oscillating plate 210.

Step 3：Thin film 220 and oscillating plate 210 are installed in the medial wall of stand frame 230.

In the present embodiment, hot press forming technology can be adopted, oscillating plate 210, thin film 220 and stand frame 230 is assembled Together.

Step 4：On thin film 220, boiling hotization forms the second through hole 223, the second through hole 223 and 213 position pair of first through hole Should.

In the present embodiment, boiling hotization at first through hole 213 can be corresponded in thin film 220 using electric cautery and forms the second through hole 223。

This utility model embodiment, direct the second through hole 223 of boiling hotization formation at the correspondence first through hole 213 of thin film 220 are simple Change the punching technology of the second through hole 223, improve production efficiency.

It should be noted that give in description of the present utility model and its accompanying drawing of the present utility model preferably implementing Mode, but, this utility model can be realized by many different forms, however it is not limited to the enforcement described by this specification Mode, these embodiments are not as the extra restriction to this utility model content, there is provided the purpose of these embodiments is to make Understanding to disclosure of the present utility model is more thorough comprehensive.Also, above-mentioned each technical characteristic continues to be mutually combined, formed The various embodiments not being enumerated above, are accordingly to be regarded as the scope of this utility model description record；Further, to this area For those of ordinary skill, can be improved according to the above description or be converted, and all these modifications and variations should all be belonged to The protection domain of this utility model claims.

Claims (10)

1. a kind of vibrating diaphragm, it is characterised in that include：

Oscillating plate, including first surface and the dorsad second surface of the first surface, the outer wall of the oscillating plate are provided with groove；

Thin film, the thin film are covered in the first surface of the oscillating plate；

Stand frame, the medial wall of the stand frame position relative with the groove are provided with fixed structure, the fixed structure card Close in the groove.

2. vibrating diaphragm according to claim 1, it is characterised in that the fixed structure includes elastic component and fixed ball, institute The one end for stating elastic component is arranged on the medial wall of the stand frame, the other end and the fixed ball connection, and the fixed ball It is fastened in the groove.

3. vibrating diaphragm according to claim 2, it is characterised in that

The outer wall of the oscillating plate includes the first relative outer wall and the second outer wall；

The groove includes the first groove and the second groove, and first groove is arranged on first outer wall, described second Groove is arranged on second outer wall；

The stand frame includes relative first support and second support, and the medial wall of the first support is provided with the first elastic component Ball is fixed with first, one end of first elastic component is arranged on the medial wall of the first support, the other end and described first Fixed ball connection, and the first fixation ball is fastened on first groove；The medial wall of the second support is provided with second Elastic component and second fixes ball, and one end of second elastic component is arranged on the medial wall of the second support, the other end and institute The connection of the second fixation ball is stated, and the second fixation ball is fastened on second groove.

4. vibrating diaphragm according to claim 1, it is characterised in that the second surface is provided with some reinforcements.

5. vibrating diaphragm according to claim 4, it is characterised in that the second surface is arranged with the first depressed area and Two depressed areas, the reinforcement are arranged between first depressed area and second depressed area.

6. the vibrating diaphragm according to any one of claim 1 to 5, it is characterised in that the vibrating diaphragm is also included for coordinating The stand frame is fastened on stand frame, oscillating plate is sandwiched in itself and stand frame with the frame of the fixation oscillating plate, the frame Between.

7. vibrating diaphragm according to claim 6, it is characterised in that

The inwall of the stand frame is provided with draw-in groove portion；

The outer wall of the frame is provided with clamping part in position corresponding with the draw-in groove portion, and the clamping part is buckled in the draw-in groove In portion.

8. a kind of receiver, including vibrating diaphragm, upper casing and the lower casing being oppositely arranged with the upper casing, the vibrating diaphragm are arranged at institute State between upper casing and the lower casing, it is characterised in that the vibrating diaphragm includes：

Oscillating plate, including first surface and the dorsad second surface of the first surface, the outer wall of the oscillating plate are provided with groove；

Thin film, the thin film are covered in the first surface of the oscillating plate；

Stand frame, the medial wall of the stand frame position relative with the groove are provided with fixed structure, the fixed structure card Close in the groove.

9. receiver according to claim 8, it is characterised in that the fixed structure includes elastic component and fixed ball, institute The one end for stating elastic component is arranged on the medial wall of the stand frame, the other end and the fixed ball connection, and the fixed ball It is fastened in the groove.

10. receiver according to claim 9, it is characterised in that

The outer wall of the oscillating plate includes the first relative outer wall and the second outer wall；

The groove includes the first groove and the second groove, and first groove is arranged on first outer wall, described second Groove is arranged on second outer wall；

The stand frame includes relative first support and second support, and the medial wall of the first support is provided with the first elastic component Ball is fixed with first, one end of first elastic component is arranged on the medial wall of the first support, the other end and described first Fixed ball connection, and the first fixation ball is fastened on first groove；The medial wall of the second support is provided with second Elastic component and second fixes ball, and one end of second elastic component is arranged on the medial wall of the second support, the other end and institute The connection of the second fixation ball is stated, and the second fixation ball is fastened on second groove.