CN207968937U - Loudspeaker enclosure - Google Patents

Abstract

The utility model provides a kind of loudspeaker enclosure.The loudspeaker enclosure includes upper cover, lower cover, sounding monomer and supporting walls for holding the sounding monomer, the sounding monomer includes having sound vibration of membrane system, drive the magnetic circuit system of vibrational system and the frame for accommodating vibrational system and magnetic circuit system, the frame includes framework and bends the positioning column extended to form from the framework to the upper cover direction, the sound film, which is fixed on the framework and is corresponded to close to the surface of the upper cover and the sound film, is equipped with resigning portion at the position of the positioning column, the supporting walls include wall body and protrude the stage portion formed to the frame close to one end of the upper cover from the wall body, the stage portion includes the locating slot opened up corresponding with the positioning column, the positioning column is inserted in the locating slot, the framework supports fixation with the stage portion.The assembly of the sounding monomer of the utility model and supporting walls is simple, stability is good and loudspeaker enclosure acoustical behavior is good.

Description

Loudspeaker enclosure

【Technical field】

The utility model is related to acoustic-electric field more particularly to a kind of loudspeaker enclosures applying to portable electronic product.

【Background technology】

With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just The music function of high-quality, therefore, for play the loud speaker between sound be widely applied Intelligent mobile equipment till now it One.

The loudspeaker enclosure of the relevant technologies includes that upper cover and the upper cover assemble and to form the lower cover of receiving space, be contained in institute It states the sounding monomer in receiving space and what is extended from the upper cover to the lower cover direction is used to hold the sounding monomer Supporting walls.The sounding monomer includes having sound vibration of membrane system, driving the magnetic circuit system of the vibrational system and be used for The frame of the vibrational system and the magnetic circuit system is accommodated, the sound film is fixed on the frame close to the upper cover side. The frame is connected with the supporting walls by gluing, in gluing, glue is easily occurred and is deposited in the influence of supporting walls barricade root The acoustical behavior of loudspeaker enclosure.Meanwhile sound film edge can be exposed to outside the sounding monomer, when assembly, be easy to pull remaining film, And then sound film is pullled, influence acoustic efficiency.

Therefore, a kind of new loudspeaker enclosure solution above-mentioned technical problem must be provided by having in fact.

【Utility model content】

The purpose of this utility model is to provide a kind of sounding monomer and supporting walls assembly simply, stability is good and acoustics The good loudspeaker enclosure of energy.

In order to achieve the above object, the utility model provides a kind of loudspeaker enclosure, the loudspeaker enclosure include upper cover, with Sounding monomer that the upper cover assembles and to form the lower cover of receiving space, is contained in the receiving space and from the upper cover to The supporting walls for holding the sounding monomer that the lower cover direction extends, the sounding monomer include having sound vibration of membrane System, the magnetic circuit system of the driving vibrational system and the frame for accommodating the vibrational system and the magnetic circuit system, The frame includes framework and bends the positioning column extended to form from the framework to the upper cover direction, and the sound film is fixed on The framework is corresponded to close to the surface of the upper cover and the sound film is equipped with resigning portion, the support at the position of the positioning column Wall includes wall body and protrudes the stage portion formed, the stage portion to the frame close to one end of the upper cover from the wall body Include the locating slot opened up corresponding with the positioning column, the positioning column is inserted in the locating slot, the framework with it is described Stage portion supports fixation.

Preferably, the framework includes interleaved and end to end a pair of of long side wall and a pair of of short side wall, the length The junction of side wall and the short side wall forms turning, and the quantity of the positioning column is four, is divided into the turning of the framework.

Preferably, the supporting walls further include being extended from the wall body to the lower cover direction close to one end of the lower cover Retaining wall, the retaining wall is inclined-plane and to surround injecting glue jointly with the long side wall and the short side wall close to the side of the frame Slot, filler in the injecting glue slot.

Preferably, there is 0.2mm between the lateral surface of the long side wall and the lateral surface and the wall body of the short side wall Gap.

Preferably, the gap with 0.03mm between the outer wall of the positioning column and the inner wall of the locating slot.

Preferably, the positioning column includes the first positioning surface, joint face and the second positioning surface being sequentially connected end to end, described First positioning surface and the lateral surface of the long side wall are generally aligned in the same plane, the lateral surface of second positioning surface and the short side wall It is generally aligned in the same plane.

Compared with the relevant technologies, the advantageous effect of the loudspeaker enclosure of the utility model is：Four angles of the framework of frame Positioning column is each extended over, correspondingly opens up the positioning being equipped with positioning column in the stage portion for holding sounding monomer Slot, when assembly, positioning column is inserted directly into locating slot, fixation convenient for assembly；The position that sound film corresponds to the positioning column is provided with Resigning portion will not pull remaining film to influence sound film in assembling, overcome remaining film without remaining film that is, on the positioning side of positioning column Caused by bad acoustic efficiency.

【Description of the drawings】

It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Other attached drawings are obtained, wherein：

Fig. 1 is the dimensional structure diagram of the utility model loudspeaker enclosure；

Loudspeaker enclosure dimensional decomposition structure diagram shown in Fig. 2 Fig. 1；

Fig. 3 is the sounding monomer structure schematic diagram in loudspeaker enclosure shown in 1；

Fig. 4 is the cross-sectional view along line A-A shown in Fig. 1；

Fig. 5 is V magnified partial views shown in Fig. 4.

【Specific implementation mode】

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 a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The all other embodiment obtained, shall fall within the protection scope of the present invention.

Please refer to Fig. 1 to Fig. 5, the utility model provides a kind of loudspeaker enclosure 100, and the loudspeaker enclosure 100 wraps It includes upper cover 10, assemble the hair to form the lower cover 30 of receiving space 10A, be contained in the receiving space 10A with the upper cover 10 Sound monomer 50, extend from the upper cover 10 to 30 direction of the lower cover for hold the sounding monomer 50 supporting walls 60, Glue 70 and realization the sounding monomer 50 for connecting the sounding monomer 50 and the supporting walls 60 is electrically connected with extraneous Flexible PCB 80.

10 generally rectangular case shape of the upper cover, includes the bottom wall 11 being oppositely arranged with the lower cover 30, by the bottom Wall 11 bends the side wall 13 extended and is opened in the side wall 13 and is used for the sounding monomer to separate 11 direction of the bottom wall 50 sound outflow goes out acoustic aperture.

The lower cover 30 assembles to form receiving space 10A jointly in tabular and the upper cover 10.Specifically, under described Lid 30 is fixed with the upper cover 10 by ultrasonic welding process.

The sounding monomer 50 is contained in the receiving space 10A, and by being immobilizated in institute in the supporting walls 60 State receiving space 10A and be separated into ante-chamber 501 and back cavity 502, the ante-chamber 501 is used for sounding, with it is described go out acoustic aperture be connected to, it is described Back cavity 502 is used to improve the audio performance of the loudspeaker enclosure 100.

The sounding monomer 50 includes frame 51, is contained in the vibrational system 53 and magnetic circuit system 55 of the frame 51, institute Magnetic circuit system 55 is stated for driving the vibrational system 53.

The frame 51 includes framework 511 and the positioning column 513 extended from the framework 511 to 10 direction of the upper cover, The positioning column 513 when assembling for positioning.

511 generally rectangular shaped framework of the framework, including interleaved and end to end a pair of of long side wall 5111 and one To short side wall 5113, the long side wall 5111 and the junction of the short side wall 5113 form turning.

In the present embodiment, the quantity of the positioning column 513 is four, is divided into the turning of the framework 511.It is described fixed Position column 513 includes sequentially connected first positioning surface 5131 of head and the tail, joint face 5135 and the second positioning surface 5133, and described first is fixed Plane 5131 and the lateral surface of the long side wall 5111 are generally aligned in the same plane, second positioning surface 5133 with the short side wall 5113 lateral surface is generally aligned in the same plane.

The vibrational system 53 includes being immobilizated in the frame 51 close to the sound film 531 of 10 side of the upper cover and driving institute State the voice coil 533 of 531 vibration sounding of sound film.Specifically, the sound film 531 covers the framework 511 close to the upper cover 10 Surface is arranged, and the sound film 531 corresponds to and is provided with resigning portion 5311 at the position of the positioning column 513, it is believed that described Sound film 531 has lacked four angles.At this point, the first positioning surface 5131 and the second positioning surface 5133 of positioning column 513 are close to upper cover 10 It is not in remaining film to position on side, and remaining film will not be pullled to influence sound film in assembling, overcomes bad sound caused by remaining film Learn effect.

The supporting walls 60 are located in the receiving space 10A, are extended from the upper cover 10 to 30 direction of the lower cover, use In holding the sounding monomer 50.Specifically, the supporting walls 60 in a ring, from the bottom wall 11 of the upper cover 10 towards under described 30 direction of lid extends to form.Preferably, the supporting walls 60 can be with 10 integrated injection molding of the upper cover.In other embodiment In, the supporting walls 60 can be fixed on by modes such as gluings on the bottom wall 11.

The supporting walls 60 include wall body 61 in a ring and from the wall body 61 close to one end of the upper cover 10 to institute State 50 direction of sounding monomer protrude the stage portion 63 to be formed and from the wall body 61 close to one end of the lower cover 30 under described The retaining wall 65 that 30 direction of lid extends to form.

The stage portion 63 includes the locating slot 631 opened up corresponding with the positioning column 513.When assembly, the positioning column 513 are inserted in the locating slot 631, and the framework 511 supports fixation with the stage portion 63.

The retaining wall 65 close to the side of the frame 51 be inclined-plane and with the long side wall 5111 and the short side wall 5113 surround injecting glue slot 651 jointly, and the glue 70 is filled in the injecting glue slot 651.The glue 70 filled in injecting glue slot 651 is for close Envelope is to separate the ante-chamber 501 and the back cavity 502.

In the present embodiment, the lateral surface of the long side wall 5111 and the lateral surface of the short side wall 5113 and the wall body Gap with 0.2mm between 61；There is 0.03mm between the outer wall of the positioning column 513 and the inner wall of the locating slot 631 Gap；When sealing sounding monomer 50 and supporting walls 60 using glue 70, preset clearance can be deposited in supporting walls 60 to avoid glue Cause bad in root.

The advantageous effect of the loudspeaker enclosure 100 of the utility model is：Four angles of the framework 511 of frame 51 each extend over Positioning column 513 correspondingly opens up the positioning being equipped with positioning column 513 in the stage portion 63 for holding sounding monomer 50 Slot 631, when assembly, positioning column 513 is inserted directly into locating slot 631, fixation convenient for assembly；Sound film 531 corresponds to the positioning column 513 position is provided with resigning portion 5311, i.e., without remaining film on the positioning side of positioning column 513, will not be pullled in assembling remaining Film overcomes bad acoustic efficiency caused by remaining film to influence sound film.

Above-described is only the embodiment of the utility model, 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 this practicality Novel protection domain.

Claims (6)

1. a kind of loudspeaker enclosure, including upper cover and the upper cover assemble and to form the lower cover of receiving space, be contained in the receiving sky Interior sounding monomer and the supporting walls for holding the sounding monomer extended from the upper cover to the lower cover direction, It is characterized in that, the sounding monomer include have sound vibration of membrane system, the driving vibrational system magnetic circuit system and Frame for accommodating the vibrational system and the magnetic circuit system, the frame include framework and from the framework on described Lid direction bends the positioning column extended to form, and the sound film is fixed on the framework close to the surface of the upper cover and the sound film Be equipped with resigning portion at the position of the corresponding positioning column, the supporting walls include wall body and by the wall body close to the upper cover The stage portion to be formed is protruded in one end to the frame, and the stage portion includes the locating slot opened up corresponding with the positioning column, institute It states positioning column to be inserted in the locating slot, the framework supports fixation with the stage portion.

2. loudspeaker enclosure according to claim 1, which is characterized in that the framework includes interleaved and end to end A pair of of long side wall and a pair of of short side wall, the junction of the long side wall and the short side wall form turning, the number of the positioning column Amount is four, is divided into the turning of the framework.

3. loudspeaker enclosure according to claim 2, which is characterized in that the supporting walls further include by the wall body close to institute State the retaining wall that one end of lower cover extends to the lower cover direction, the retaining wall close to the side of the frame be inclined-plane and with it is described Long side wall and the short side wall surround injecting glue slot jointly, filler in the injecting glue slot.

4. loudspeaker enclosure according to claim 3, which is characterized in that the lateral surface of the long side wall and the short side wall Gap with 0.2mm between lateral surface and the wall body.

5. loudspeaker enclosure according to claim 4, which is characterized in that the outer wall of the positioning column is interior with the locating slot Gap with 0.03mm between wall.

6. according to claim 2 to 5 any one of them loudspeaker enclosure, which is characterized in that the positioning column includes head and the tail successively The lateral surface of the first positioning surface, joint face and the second positioning surface of connection, first positioning surface and the long side wall is located at same One plane, second positioning surface and the lateral surface of the short side wall are generally aligned in the same plane.