CN201590894U

CN201590894U - Miniature loudspeaker

Info

Publication number: CN201590894U
Application number: CN201020026123XU
Authority: CN
Inventors: 沙从义
Original assignee: DONGGUAN SHIPAI YUEYIN ELECTRONICS FACTORY
Current assignee: DONGGUAN SHIPAI YUEYIN ELECTRONICS FACTORY
Priority date: 2010-01-04
Filing date: 2010-01-04
Publication date: 2010-09-22
Anticipated expiration: 2020-01-04

Abstract

The utility model discloses a miniature loudspeaker, which comprises an outer casing, a T-shaped iron core, a magnet and a washer, wherein the T-shaped iron core is disposed inside the outer casing, the magnet and the washer are sequentially sleeved on the T-shaped iron core, the magnet, the washer and the T-shaped iron core form a holding space, a voice coil sleeved on the upper portion of the T-shaped iron core extends into the holding space, a sound film is mounted on the top portion of the voice coil, sounding holes corresponding to the voice film are arranged on the top portion of the outer casing separately, a voice tuning hole is disposed at the bottom of the T-shaped iron core, voice tuning cloth matching with the voice tuning hole is disposed on the bottom of the T-shaped iron core, and the T-shaped iron core is provided with a PCB connected with a lead wire of the voice coil. Under the same sound volume, volume of the loudspeaker can be greatly reduced, sound can be clearer and has better levels, bass effect can be more remarkable, qualification rate of products can be increased, and the service life of the loudspeaker can be prolonged.

Description

Microspeaker

Technical field

The utility model relates to a kind of structural improvement of loudspeaker.

Technical background

Loudspeaker are pronunciation devices that people use always, traditional loudspeaker are by shell, and installing iron core in the enclosure is set in magnet, washer on the iron core, be set in the voice coil loudspeaker voice coil of magnet, washer outside, the sound film, the pcb board that are arranged on the voice coil loudspeaker voice coil top constitute, and along offering sound regulating hole on the magnetic blow out centre axis, the sound regulating hole bottom is equiped with tuning cloth, this sound regulating hole is when welding pcb board, stop up easily, thereby cause a large amount of defective productss, reduced the qualification rate of product; Voice coil loudspeaker voice coil is set in magnet, washer outside in addition, when making the loudspeaker of equal volume, needs bigger magnet, washer, voice coil loudspeaker voice coil, sound film, be unfavorable for the microminiaturization of loudspeaker, can't accomplish when the loudspeaker volume reduces, make the more clear sense of analysing, more have levels of sound, and bass effect be more outstanding; The lead-in wire of the voice coil loudspeaker voice coil of traditional loudspeaker is to draw with pcb board from housing exterior to be connected, and the lead-in wire of voice coil loudspeaker voice coil in use disconnects easily, has reduced the useful life of loudspeaker.

The utility model content

The purpose of this utility model is to overcome above-mentioned defective of the prior art, and a kind of assembling, long service life be convenient to is provided, can effectively improve the qualification rate of product, and when realizing the loudspeaker microminiaturization, make the more clear sense of analysing, more have levels of sound, and the more outstanding Microspeaker of bass effect.

For achieving the above object, the technical scheme that the utility model provides is as follows: a kind of Microspeaker is provided, comprise shell, also comprise setting T-shape iron core in the enclosure, be set in the magnet on the T-shape iron core successively, washer, magnet, washer and T-shape iron core form an accommodation space, T-shape iron core top is arranged with voice coil loudspeaker voice coil, voice coil loudspeaker voice coil stretches in the accommodation space, the voice coil loudspeaker voice coil top is equiped with the sound film, the top of shell is spaced apart to be provided with and the corresponding sound hole of sound film, bottom at the T-shape iron core offers sound regulating hole, T-shape iron core bottom is provided with the tuning cloth that adapts with sound regulating hole, and T-shape iron core bottom also is provided with a pcb board, and pcb board is connected with the lead-in wire of voice coil loudspeaker voice coil.

The beneficial effect of Microspeaker described in the utility model is: by constructing a T-shape iron core, be arranged with magnet on the T-shape iron core successively, washer, washer and T-shape iron core form an accommodation space, T-shape iron core top is arranged with voice coil loudspeaker voice coil, voice coil loudspeaker voice coil stretches in the accommodation space, the voice coil loudspeaker voice coil top is equiped with the sound film, the top of shell is spaced apart to be provided with and the corresponding sound hole of sound film, bottom at the T-shape iron core offers sound regulating hole, and T-shape iron core bottom is provided with the tuning cloth that adapts with sound regulating hole, and T-shape iron core bottom also is provided with a pcb board, pcb board is connected with the lead-in wire of voice coil loudspeaker voice coil, thereby under equal phonation volume, can reduce the volume of loudspeaker greatly, and can be under equal phonation volume, make that sound is more clear analyses, sense more has levels, and bass effect is more outstanding, can also improve the qualification rate of product, prolongs the useful life of loudspeaker.

Below in conjunction with drawings and Examples Microspeaker described in the utility model is described further.

Description of drawings

Fig. 1 is the front view of Microspeaker described in the utility model;

Fig. 1 is 1 A-A cutaway view;

Fig. 3 is 1 left figure;

Fig. 4 is 1 right figure.

Embodiment

Below the preferred example of Microspeaker described in the utility model, therefore do not limit protection range of the present utility model.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of Microspeaker is provided, comprise shell 1, also comprise the T-shape iron core 2 that is arranged in the shell 1, be set in the magnet 3 on the T-shape iron core 2 successively, washer 4, magnet 3, washer 4 forms an accommodation space 5 with T-shape iron core 2, T-shape iron core 2 tops are arranged with voice coil loudspeaker voice coil 6, voice coil loudspeaker voice coil 6 stretches in the accommodation space 5, voice coil loudspeaker voice coil 6 tops are equiped with sound film 7, the top of shell 1 is spaced apart to be provided with and sound film 7 corresponding sound holes 8, offer sound regulating hole 9 in the bottom of T-shape iron core 2, T-shape iron core 2 bottoms are provided with the tuning cloth 10 that adapts with sound regulating hole 9, and T-shape iron core 2 bottoms also are provided with a pcb board 11, and pcb board 11 is connected with the lead-in wire 12 of voice coil loudspeaker voice coil 6.

The lead-in wire 12 of described voice coil loudspeaker voice coil 6 is to draw with pcb board 11 from shell 1 inside to be connected, and can prolong the useful life of loudspeaker.

Described sound regulating hole 9 is opened in the bottom of departing from T-shape iron core 2 central axis, can avoid when welding, and sound regulating hole 9 stops up, and can effectively improve the qualification rate of product.

Be filled with the pilot protection glue 13 that is used to protect lead-in wire 12 in the described shell 1.

The foregoing description is the utility model preferred implementation; but execution mode of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection range of the present utility model.

Claims

1. Microspeaker, comprise shell (1), it is characterized in that, also comprise the T-shape iron core (2) that is arranged in the shell (1), be set in the magnet (3) on the T-shape iron core (2) successively, washer (4), magnet (3), washer (4) forms an accommodation space (5) with T-shape iron core (2), T-shape iron core (2) top is arranged with voice coil loudspeaker voice coil (6), voice coil loudspeaker voice coil (6) stretches in the accommodation space (5), voice coil loudspeaker voice coil (6) top is equiped with sound film (7), the top of shell (1) is spaced apart to be provided with and the corresponding sound hole (8) of sound film (7), offer sound regulating hole (9) in the bottom of T-shape iron core (2), T-shape iron core (2) bottom is provided with the tuning cloth (10) that adapts with sound regulating hole (9), and T-shape iron core (2) bottom also is provided with a pcb board (11), and pcb board (11) is connected with the lead-in wire (12) of voice coil loudspeaker voice coil (6).

2. according to right 1 described Microspeaker, it is characterized in that the lead-in wire (12) of described voice coil loudspeaker voice coil (6) is to draw with pcb board (11) from shell (1) inside to be connected.

3. according to right 1 described Microspeaker, it is characterized in that described sound regulating hole (9) is opened in the bottom of departing from T-shape iron core (2) central axis.

4. according to right 1 described Microspeaker, it is characterized in that, be filled with the pilot protection glue (13) that is used for protection lead-in wire (12) in the described shell (1).