CN208638631U - Loudspeaker - Google Patents

Abstract

The utility model provides a kind of loudspeaker.Loudspeaker includes shell and is contained in the intracorporal loudspeaker monomer of shell, loudspeaker monomer includes vibrating diaphragm, accommodating space is divided into ante-chamber and back cavity by vibrating diaphragm, shell corresponds at the position of ante-chamber through equipped with through-hole and around the step of through-hole setting, step includes loading end and block face, loading end deviates from loudspeaker monomer, the steel disc of covering through-hole is installed on loading end, steel disc includes the first surface towards loudspeaker monomer, the second surface being oppositely arranged with first surface and the recessed portion annular in shape to be formed that is recessed from second surface to first surface, depressed area in steel disc periphery and be enclosed holding tank with block face.Compared with the relevant technologies, loudspeaker provided by the utility model can form burr to avoid steel disc blanking Shi Qi second surface, so as to avoid steel disc from causing to damage to the part in complete machine, while holding tank can be used for glue to improve the waterproof reliability of the fixed firmness of steel disc and loudspeaker.

Description

Loudspeaker

[technical field]

The utility model relates to electroacoustic conversion art more particularly to a kind of loudspeakers.

[background technique]

To adapt to the miniaturization of various stereo sets and information communication device, multifunction develops, it is desirable that in such equipment Used loudspeaker correspondence more tends to minimize, and keeps the loudspeaker and the cooperation of periphery other elements more compact.It is special It is also higher and higher to the quality requirement of wherein used loudspeaker not with the demand of the lightening development of mobile phone.

In the related technology, loudspeaker includes shell and is contained in the intracorporal loudspeaker monomer of shell, and loudspeaker monomer includes vibration Accommodating space is divided into ante-chamber and back cavity by film, vibrating diaphragm, and shell corresponds at the position of ante-chamber through equipped with through-hole and around logical The step of hole setting, is fixed with steel disc on the loading end of step.However, steel disc is in blanking, inevitably on steel disc There is burr in marginal surface, to can cause to damage to the part (for example, flexible board) in the complete machine above steel disc.

Therefore, it is really necessary to provide the new loudspeaker of one kind to solve the above problems.

[utility model content]

The purpose of this utility model is to provide a kind of position convenient for control voice coil line and improve gluing processing quality Loudspeaker.

Loudspeaker provided by the utility model including the shell with accommodating space and is contained in the intracorporal loudspeaking of the shell Device monomer, the loudspeaker monomer include vibrating diaphragm, and the accommodating space is divided into ante-chamber and back cavity, the shell by the vibrating diaphragm Through equipped with through-hole and around the step of through-hole setting at the position of the corresponding ante-chamber, the step includes loading end And the block face extended from the periphery of the loading end to the direction bending far from the loudspeaker monomer, the loading end deviate from institute Loudspeaker monomer is stated, the steel disc for covering the through-hole is installed on the loading end, the steel disc includes towards the loudspeaker The first surface of monomer, the second surface being oppositely arranged with the first surface and from the second surface to first table Face is recessed the recessed portion annular in shape to be formed, the depressed area in the steel disc periphery and be enclosed appearance with the block face Receive slot.

Preferably, the section of the recessed portion is in step-like or chamfering shape.

Preferably, the recessed portion is by the steel disc extrusion forming.

Preferably, the block face includes extending from the loading end and first block face vertical with the loading end and from institute The one end of the first block face far from the loading end is stated to the second block face extended far from steel disc direction bending.

Preferably, second block face and the recessed portion are enclosed the holding tank.

Preferably, the steel disc is connect by adhesive layer with the loading end.

Preferably, the adhesive layer is double-sided adhesive.

Preferably, the shell includes first shell and assembles to form the second of the accommodating space with the first shell Shell, the first shell and the vibrating diaphragm are enclosed the ante-chamber, and the through-hole and the step are formed in described first On shell.

Preferably, the loudspeaker further includes gasket, and the shim clip is set to the loudspeaker monomer and the second shell Between body.

Preferably, the gasket is foam gasket.

Compared with the relevant technologies, loudspeaker provided by the utility model, by being arranged on the steel disc from described second Surface is recessed the recessed portion annular in shape to be formed to the first surface, the depressed area in the steel disc periphery and with institute It states block face and is enclosed holding tank.Burr can be formed to avoid steel disc blanking Shi Qi second surface in this way, so as to avoid Steel disc causes to damage to the part in complete machine, while holding tank can be used for glue to improve the fixed firmness of steel disc and loudspeaking The waterproof reliability of device.

[Detailed description of the invention]

Fig. 1 is the perspective exploded view of one preferred embodiment of loudspeaker provided by the utility model；

Fig. 2 is the perspective view after the assembling of loudspeaker shown in Fig. 1；

Fig. 3 is cross-sectional view of the loudspeaker shown in Fig. 2 along line A-A；

Fig. 4 is cross-sectional view of the loudspeaker shown in Fig. 2 along line B-B；

Fig. 5 is the cross-sectional view of another embodiment of loudspeaker provided by the utility model.

[specific embodiment]

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only the utility model some embodiments, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figures 1 to 4, the loudspeaker 100 includes having the shell 1 of accommodating space and being contained in the shell 1 Interior loudspeaker monomer 2 is also equipped with flexible circuit board 3 in the shell 1, and the flexible circuit board 3 is electrically connected the loudspeaking Device monomer 2 and external circuit.

The loudspeaker monomer 2 includes vibrating diaphragm 21, and the accommodating space is divided into ante-chamber 1A and back cavity by the vibrating diaphragm 21 1B.Wherein, the ante-chamber 1A is in communication with the outside.

Through equipped with through-hole 4 and around the platform of the through-hole 4 setting at the position of the corresponding ante-chamber 1A of the shell 1 Rank 5.

Wherein, the shell 1 is plastic casing comprising first shell 11 and assembles to form institute with the first shell 11 The second shell 13 of accommodating space is stated, the first shell 11 is enclosed the ante-chamber 1A, the through-hole 4 with the vibrating diaphragm 21 And the step 5 is formed in the first shell 11.In the present embodiment, the first shell 11 and the second shell 13 Ultrasonic bonding is fixed.

The step 5 is including loading end 51 and from the periphery of the loading end 51 to the side far from the loudspeaker monomer 2 The block face 53 extended to bending, the loading end 51 deviate from the loudspeaker monomer 2, and covering institute is installed on the loading end 51 The steel disc 6 of through-hole 4 is stated, the steel disc 6 includes towards the first surface 61 of the loudspeaker monomer 2 and the first surface 61 The second surface 63 that is oppositely arranged and from the second surface 63 to the first surface 61 recess formed it is annular in shape recessed Concave portion 65, the recessed portion 65 are located at the periphery of the steel disc 6 and are enclosed holding tank 1C with the block face 53.The loudspeaking After device assembles, the firmness of steel disc fixation and preventing for loudspeaker in the holding tank 1C glue, can not only can be improved Water reliability, but also the burr that can cover steel disc blanking when generates.

The section of the recessed portion 65 is in step-like.In the present embodiment, the recessed portion 65 is squeezed by the steel disc 6 Type.

The block face 53 include extend from the loading end 51 and first block face 531 vertical with the loading end 51 and oneself The second block face that the one end of first block face 531 far from the loading end 51 extends to separate 6 direction of steel disc bending 533.In this way can be in order to steel disc blanking, and it can be by controlling the extension size of second block face 533, so that the appearance The inner wall of slot 1C received at least partly is made of second block face 533, to increase the volume of the holding tank 1C, so as to increase Add gluing amount to improve the fixed firmness of steel disc.

In the present embodiment, second block face 533 is enclosed the holding tank 1C with the recessed portion 65.In this way may be used To increase the volume of the holding tank 1C to the greatest extent.

In the present embodiment, the steel disc 6 is connect by adhesive layer 7 with the loading end 51.

The adhesive layer 7 can be double-sided adhesive or glue layer.In this embodiment, it is preferred that the adhesive layer 7 is two-sided Glue is not only convenient for loudspeaker assembling by steel disc 6 described in double-sided adhesive and the loading end 51, and avoid compared to glue layer Gluing the problem of easily causing excessive glue.

In the present embodiment, the loudspeaker 100 further includes gasket 8, and the gasket 8 is located in the loudspeaker monomer 2 Between the second shell 13.The gasket 8 can inhibit the loudspeaker monomer 2 caused shell resonance when working, from And the performance of product can be improved.

The gasket 8 can be using gasket or two-sided rubber mat made of elastic material (such as rubber, silica gel, foam etc.) Piece.In this embodiment, it is preferred that the gasket 8 is foam gasket.

As shown in figure 5, the section of the recessed portion 65 can be with chamfered shape.

It should be noted that the recessed portion 65 and the block face 53 can also may be implemented in the recessed portion 65 for other It is enclosed the structure of the holding tank 1C.In the present invention, it is preferable that the section of the recessed portion 65 in step-like or Chamfering shape, this 65 structure of recessed portion is simple, to be conducive to the processing and fabricating of the steel disc 6.

Loudspeaker 100 provided by the utility model, by being arranged on the steel disc 6 from the second surface 63 to described First surface 61 recess formed recessed portion 65 annular in shape, the recessed portion 65 be located at the periphery of the steel disc 6 and with it is described Block face 53 is enclosed holding tank 1C.Burr can be formed to avoid 6 blanking Shi Qi second surface 63 of steel disc in this way, so as to Steel disc 6 is avoided to cause to damage to the part in complete machine, while holding tank 1C can be used for glue to improve the secured of the fixation of steel disc 6 The waterproof reliability of degree and loudspeaker 100.

Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical Novel protection scope.

Claims (10)

1. a kind of loudspeaker including the shell with accommodating space and is contained in the intracorporal loudspeaker monomer of the shell, described to raise Sound device monomer includes vibrating diaphragm, and the accommodating space is divided into ante-chamber and back cavity by the vibrating diaphragm, and the shell corresponds to the ante-chamber Position at through equipped with through-hole and around the step of through-hole setting, the step includes loading end and from the carrying The block face that the periphery in face extends to the direction bending far from the loudspeaker monomer, the loading end deviate from the loudspeaker list Body is installed with the steel disc for covering the through-hole on the loading end, it is characterised in that: the steel disc includes towards the loudspeaker The first surface of monomer, the second surface being oppositely arranged with the first surface and from the second surface to first table Face is recessed the recessed portion annular in shape to be formed, the depressed area in the steel disc periphery and be enclosed appearance with the block face Receive slot.

2. loudspeaker according to claim 1, it is characterised in that: the section of the recessed portion is in step-like or chamfering shape.

3. loudspeaker according to claim 1 or 2, it is characterised in that: the recessed portion is by the steel disc extrusion forming.

4. loudspeaker according to claim 1, it is characterised in that: the block face include from the loading end extend and with institute State the first vertical block face of loading end and from the described one end of first block face far from the loading end to far from the steel disc direction Bend the second block face extended.

5. loudspeaker according to claim 4, it is characterised in that: second block face and the recessed portion are enclosed institute State holding tank.

6. loudspeaker according to claim 1, it is characterised in that: the steel disc is connected by adhesive layer and the loading end It connects.

7. loudspeaker according to claim 6, it is characterised in that: the adhesive layer is double-sided adhesive.

8. loudspeaker according to claim 1, it is characterised in that: the shell include first shell and with the first shell Body assembles the second shell to form the accommodating space, and the first shell and the vibrating diaphragm are enclosed the ante-chamber, described Through-hole and the step are formed in the first shell.

9. loudspeaker according to claim 8, it is characterised in that: the loudspeaker further includes gasket, the gasket sandwiched Between the loudspeaker monomer and the second shell.

10. loudspeaker according to claim 9, it is characterised in that: the gasket is foam gasket.