CN210093477U

CN210093477U - Loudspeaker box

Info

Publication number: CN210093477U
Application number: CN201920841245.5U
Authority: CN
Inventors: 胡洪建; 吴树文
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-02-18
Anticipated expiration: 2029-06-03

Abstract

The utility model provides a loudspeaker box. The loudspeaker box includes the epitheca, with the epitheca cooperation forms accommodating space's inferior valve and accept in speaker monomer in the accommodating space, speaker monomer is including the vibrating diaphragm that is used for the vibration sound production, the vibrating diaphragm with the epitheca interval sets up and forms the ante-chamber, the vibrating diaphragm with the epitheca reaches the inferior valve encloses into the postcavity jointly, loudspeaker box is still including being located the postcavity and with epitheca fixed connection's ventilative separator, ventilative separator will the postcavity is separated into first chamber and the second of holding and is held the chamber, just ventilative separator is equipped with the intercommunication first chamber of holding with the second holds the through-hole in chamber, speaker monomer accept in first the intracavity, and cover completely the through-hole, the second holds the intracavity and fills and inhales the sound granule. The utility model provides a speaker box has increased the filling volume of inhaling the sound granule, has improved speaker box's acoustic performance.

Description

Loudspeaker box

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electroacoustic conversion field especially relates to a loudspeaker box.

[ background of the invention ]

With the rapid development of mobile communication technology in recent years, consumers increasingly use mobile communication devices with voice functions, such as: portable telephones, handheld game devices, portable computers, and the like. The loudspeaker box is used as a voice playing device, and the design of the loudspeaker box directly influences the voice performance of a mobile communication equipment product. In order to meet the market demand for a thinner and higher sound quality, a higher demand is placed on the design of the speaker box.

In the correlation technique, the speaker box includes epitheca, inferior valve and speaker monomer, the speaker monomer fixed bear in the epitheca, speaker monomer and epitheca interval form the antechamber, the speaker monomer with the epitheca reaches the inferior valve cooperation forms the back chamber, ventilative spacer set up in the back intracavity, ventilative spacer with the epitheca or the inferior valve cooperation encloses into holding the chamber, it fills the sound granule of inhaling to hold the chamber. In the loudspeaker box adopting the design, no seal is formed between the loudspeaker single body and the upper shell, so that the volume of the accommodating cavity is limited.

Therefore, there is a need to provide a new speaker box to solve the above-mentioned drawbacks.

[ Utility model ] content

The utility model aims at overcoming above-mentioned technical problem, providing one kind can increase and hold the chamber volume to increase the speaker box who inhales sound granule filling volume.

In order to achieve the above object, the utility model provides a loudspeaker box, including the epitheca, with the epitheca cooperation forms accommodating space's inferior valve and accept in speaker monomer in the accommodating space, speaker monomer is including the vibrating diaphragm that is used for vibrating the sound production, the vibrating diaphragm with the epitheca interval sets up and forms the ante-chamber, the vibrating diaphragm with the epitheca reaches the inferior valve encloses into the back chamber jointly, loudspeaker box is still including being located the back chamber and with epitheca fixed connection's ventilative separator, ventilative separator will the back chamber is separated into first chamber and the second of holding and is held the chamber, just ventilative separator is equipped with the intercommunication first chamber that holds with the second holds the through-hole in chamber, speaker monomer accept in first chamber that holds, and cover completely the through-hole, the second holds the intracavity and fills and inhales the sound granule.

Preferably, the breathable isolating piece comprises a body portion which is enclosed to form the first accommodating cavity, one end, close to the vibrating diaphragm, of the body portion is bent and extended towards a direction far away from the first accommodating cavity to form a flange, and the flange is fixedly connected with the upper shell.

Preferably, the body portion comprises a bottom wall parallel to the flange and arranged at an interval, and a side wall connecting the flange and the bottom wall, the bottom wall and the side wall cooperate to form the first accommodating cavity, and the speaker unit is supported on the bottom wall.

Preferably, the bottom wall, the side wall and the flange are integrally formed.

Preferably, the through hole is disposed in the middle of the bottom wall, and the through hole penetrates through the bottom wall along the vibration direction of the diaphragm.

Preferably, the speaker unit further includes a magnetic yoke facing the diaphragm, an accommodating groove is formed at the edge of the magnetic yoke in a direction approaching the diaphragm, and the bottom wall is accommodated in the accommodating groove and fixedly connected to the magnetic yoke.

Preferably, the upper shell comprises a sound outlet which is arranged corresponding to the position of the vibrating diaphragm, and the sound outlet is communicated with the front cavity and used for conducting sound to the outside.

Compared with the prior art, the utility model provides an in the speaker box, ventilative separator will speaker box's back chamber is separated and is formed first chamber and the second of holding and hold the chamber, ventilative separator is equipped with the through-hole, the through-hole intercommunication first hold the chamber with the second holds the chamber, the speaker monomer accept in first intracavity that holds, and cover completely first through-hole, inhale the sound granule accept in the second holds the intracavity, and this kind of structure has greatly increased the second holds the volume in chamber, has increased simultaneously inhale the filling volume of sound granule, improved speaker box's acoustic performance.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic perspective view of a speaker box according to the present invention;

FIG. 2 is an exploded view of the speaker cabinet of FIG. 1;

FIG. 3 is a schematic view of another angle of the breathable barrier of FIG. 2;

fig. 4 is a cross-sectional view of the loudspeaker enclosure shown in fig. 1, taken along the line IV-IV.

[ detailed description ] embodiments

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a speaker box 100, wherein the speaker box 100 includes an upper shell 1, a lower shell 3, a speaker unit 5 having a diaphragm 51, and a ventilation spacer 7.

The upper shell 1 is used for bearing and protecting the loudspeaker single bodies 5, the lower shell 3 is arranged on the upper shell 1 in a covering mode and matched with the upper shell 1 to form an accommodating space, and the loudspeaker single bodies 5 are accommodated in the accommodating space. The upper shell 1 and the diaphragm 51 are arranged at intervals to form a front cavity 10, and the diaphragm 51 is matched with the upper shell 1 and the lower shell 3 to form a rear cavity 20.

The upper shell 1 includes a top wall 11 opposite to the diaphragm 51 and a support wall 13 extending from an edge of the top wall 11 to a direction close to the diaphragm 51, the support wall 13 is a step-shaped structure, and the speaker unit 5 is fixedly supported by the support wall 13.

The top wall 11 includes a sound outlet 110 corresponding to the position of the diaphragm 51, and the sound outlet 110 is communicated with the front cavity 10 and is used for transmitting sound to the outside.

The speaker unit 5 includes a diaphragm 51 and a yoke 53 disposed opposite to the diaphragm 51, and the diaphragm 51 is configured to vibrate and generate sound. An accommodating groove 530 is formed at the edge of the yoke 53 in a concave manner in a direction approaching the diaphragm 51, and the accommodating groove 530 is annularly formed along the edge of the yoke 53.

The air-permeable partition 7 is fixedly connected with the upper shell 1, and divides the rear cavity 20 into a first accommodating cavity 210 and a second accommodating cavity 230, and the first accommodating cavity 210 is communicated with the second accommodating cavity 230. The speaker unit 5 is accommodated in the first accommodating cavity 210, and the second accommodating cavity 230 is filled with sound-absorbing particles.

Specifically, the breathable partition 7 is a mesh fabric, and is fixedly connected with the supporting wall 13.

The air-permeable partition 7 includes a main body 71 enclosing the first accommodating cavity 210, one end of the main body close to the diaphragm 51 is bent and extended in a direction away from the first accommodating cavity 210 to form a flange 73, and the flange 73 is fixedly connected to the support wall 13.

The main body 71 includes a bottom wall 711 parallel to the flange 73 and a sidewall 713 connecting the flange 73 and the bottom wall 711, the bottom wall 711 and the sidewall 713 cooperate to define the first accommodating cavity 210, and the speaker unit 5 is supported by the bottom wall 711.

The bottom wall 711 is provided with a through hole 7110 penetrating along the vibration direction of the diaphragm 51, the through hole 7110 communicates the first accommodating cavity 210 and the second accommodating cavity 230, and the speaker unit 5 completely covers the through hole 7110.

The upper casing 1 the inferior valve 3 the yoke 53 reaches ventilative separator 7 cooperation is for enclosing the second holds the chamber 230, and it can be understood that the second holds the chamber 230 and is airtight cavity, and it can all be used for filling to inhale the sound granule, very big expansion inhale the encapsulation volume of sound granule, promoted speaker box 100's acoustic performance.

Further, the bottom wall 713 is received in the receiving groove 530 and fixed to the yoke 53, and preferably, the thickness of the bottom wall 713 is smaller than or equal to the depth of the receiving groove 530, so that the bottom wall 713 does not protrude out of the surface of the yoke 53, and an additional occupied space is not required, so that the space of the second receiving cavity 230 can be further enlarged, and the packaging volume of the sound-absorbing particles is further increased.

Furthermore, the bottom wall 711 and the side wall 713 of the air-permeable partition 7 are both in contact with the sound-absorbing particles, so that the contact area is increased, meanwhile, the air-permeable partition 7 is made of mesh cloth, so that the air-permeable partition has good flexibility, and can adapt to the contact surfaces of other devices in the loudspeaker box 100 and the air-permeable partition 7, so as to improve the utilization rate of the accommodating space, meanwhile, the mesh cloth has smaller thickness, does not occupy the space of the rear cavity 20, ensures the volume of the rear cavity 20, and effectively improves the acoustic performance of the loudspeaker box 100.

Compared with the prior art, the utility model provides an in the speaker box 100, ventilative isolator 7 will speaker box 100's rear chamber 20 is separated and is formed first chamber 210 and the second of holding and hold chamber 230, ventilative isolator 7 is equipped with through-hole 7110, through-hole 7110 intercommunication first chamber 210 that holds with the second holds chamber 230, speaker monomer 5 accept in first chamber 210 that holds is covered completely first through-hole 7110, inhale the sound granule accept in the second holds in the chamber 230, and this kind of structure has greatly increased the second holds the volume in chamber 230, has increased simultaneously inhale the filling volume of sound granule, has improved speaker box 100's acoustic performance.

The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. The utility model provides a loudspeaker box, including the epitheca, with the epitheca cooperation forms accommodating space's inferior valve and accept in speaker monomer in the accommodating space, speaker monomer is including the vibrating diaphragm that is used for the vibration sound production, the vibrating diaphragm with the epitheca interval sets up the formation antetheca, the vibrating diaphragm with the epitheca reaches the inferior valve encloses into the posttheca jointly, its characterized in that, loudspeaker box is still including being located the posttheca and with epitheca fixed connection's ventilative separator, ventilative separator will the posttheca is separated into first chamber and the chamber is held to the second, just ventilative separator is equipped with the intercommunication first chamber that holds with the second holds the through-hole in chamber, speaker monomer accept in first chamber that holds to cover completely the through-hole, the second holds the intracavity and fills and inhales the sound granule.

2. The loudspeaker box of claim 1, wherein the air-permeable partition comprises a body portion enclosing the first accommodating cavity, one end of the body portion close to the diaphragm is bent and extended in a direction away from the first accommodating cavity to form a flange, and the flange is fixedly connected with the upper shell.

3. The speaker box of claim 2, wherein the body portion includes a bottom wall spaced from and parallel to the flange and a side wall connecting the flange and the bottom wall, the bottom wall and the side wall cooperate to define the first receiving cavity, and the speaker unit is supported on the bottom wall.

4. A loudspeaker enclosure according to claim 3, wherein the base wall, side walls and the flanges are integrally formed.

5. A loudspeaker enclosure as claimed in claim 3, wherein the through-hole is provided in an intermediate position of the bottom wall, and the through-hole penetrates the bottom wall in a vibration direction of the diaphragm.

6. The speaker box as claimed in claim 3, wherein the speaker unit further includes a yoke facing the diaphragm, an edge of the yoke is recessed toward the diaphragm to form a receiving groove, and the bottom wall is received in the receiving groove and fixedly connected to the yoke.

7. The loudspeaker box of claim 1, wherein the upper shell comprises a sound outlet arranged corresponding to the position of the diaphragm, and the sound outlet is communicated with the front cavity and used for conducting sound to the outside.