CN210641067U

CN210641067U - Loudspeaker box

Info

Publication number: CN210641067U
Application number: CN201920734740.6U
Authority: CN
Inventors: 印兆宇
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-05-29
Anticipated expiration: 2029-05-21

Abstract

The utility model provides a loudspeaker box, it includes the casing that has accommodating space, the sound production monomer that accommodates in accommodating space, the sound outlet that runs through the casing setting, paste and locate the casing and totally cover the ventilative separator who establishes the sound outlet and paste and locate the casing and encircle the seal ring that ventilative separator set up, the sound production monomer is including the vibrating diaphragm that is used for vibrating the sound production, the vibrating diaphragm encloses into the antechamber with the casing jointly, the casing includes roof relative with the vibrating diaphragm interval and the lateral wall that bends and extend by the roof periphery, ventilative separator covers partial roof and partial lateral wall, the sound outlet communicates with the antechamber; the casing protrusion extends and forms boiling hot point post, and boiling hot point post forms between seal ring and ventilative separator, and the boiling hot post after the hot melt is established seal ring and ventilative separator pressure and is fixed in the casing. Compared with the prior art, the utility model discloses a waterproof dustproof performance of speaker box is good, and the reliability is high.

Description

Loudspeaker box

[ technical field ] A method for producing a semiconductor device

The utility model relates to an acoustoelectric field especially relates to an apply to speaker box of portable electronic product.

[ background of the invention ]

With the advent of the mobile internet age, the number of smart mobile devices is increasing. Among the mobile devices, the mobile phone is undoubtedly the most common and portable mobile terminal device. At present, the functions of a mobile phone are very diverse, one of which is a high-quality music function, and thus, a speaker box for playing sound is widely applied to the current smart mobile devices.

Related art speaker case include the casing, accept in sound production monomer in the casing, run through the hole of speaking, the lid that the casing set up are located the hole of speaking is used for dirt-proof ventilative separator and pastes and locates the casing and encircle ventilative separator sets up be used for waterproof seal ring.

However, in the speaker box according to the related art, the front surface and the side surface of the housing are provided with the sound outlet, and the breathable spacer and the sealing gasket are required to be folded from the front surface of the housing to the side surface of the housing to be fixed. In order to improve the waterproof sealing effect, the binding surface of the sealing washer is designed into a curved surface in the loudspeaker box in the related art, although the sealing effect is improved by the structural design, the structure ensures that the binding angles of the breathable isolating piece and the sealing washer on the side surface are inconsistent, and the side surfaces of the breathable isolating piece and the sealing washer are increased without other fixed structures, so that the breathable isolating piece and the sealing washer have the risk of warping on the side surface, and the reliability is influenced.

Therefore, there is a need to provide a new speaker box to solve the above technical problems.

[ Utility model ] content

An object of the utility model is to provide a speaker box that dustproof and waterproof effect is good and the reliability is excellent.

In order to achieve the above object, the present invention provides a speaker box, which comprises a housing having an accommodating space, a sound generating unit accommodated in the accommodating space, a sound outlet penetrating through the housing, a breathable separator attached to the housing and completely covering the sound outlet, and a sealing gasket attached to the housing and surrounding the breathable separator, wherein the sound generating unit comprises a vibrating diaphragm for vibrating sound, the vibrating diaphragm and the housing together form a front cavity, the housing comprises a top wall opposite to the vibrating diaphragm at an interval and a side wall bent and extended from the periphery of the top wall, the breathable separator covers a part of the top wall and a part of the side wall, and the sound outlet is communicated with the front cavity; the casing protrusion extends and forms the boiling point post, the boiling point post forms sealed pad with between the ventilative separator, after the hot melt the boiling point post will seal ring with ventilative separator presses and establishes and is fixed in the casing.

Preferably, one side of the sealing washer, which is close to the hot spot column, is sunken to form a first positioning groove, one side of the breathable isolating piece, which is close to the hot spot column, is sunken to form a second positioning groove, the first positioning groove and the second positioning groove are oppositely arranged and jointly enclose a limiting groove, and the hot spot column is inserted into the limiting groove.

Preferably, seal ring keeps away from the surface of casing reaches ventilative separator keeps away from at least one in the surface of casing corresponds the periphery court of boiling hot post the sunken formation of casing direction dodges the groove, after the hot melt the boiling hot post is kept away from the one end pressure of casing is located dodge the groove.

Preferably, the avoiding groove is communicated with the limiting groove.

Preferably, the sealing washer comprises a first section attached to the top wall, a second section attached to the side wall and a third section connected with the first section and the second section, the third section is attached to the joint of the top wall and the side wall, the third section is of a fillet structure, and the first positioning groove is arranged on one side, close to the scalding point column, of the second section.

Preferably, ventilative separator is including pasting and locating the main part of roof and by the main part is buckled to extend and is pasted and locate the extension of lateral wall, the extension with the second section sets up relatively just the surface of extension lateral part with the surface of second section is located the coplanar, the second constant head tank is seted up in the extension is close to one side of boiling hot point post.

Preferably, the first positioning groove and the second positioning groove are arranged oppositely.

Preferably, the first positioning groove and the second positioning groove are both semicircular in shape.

Preferably, the hot spot post includes at least two and mutual interval setting, first constant head tank with the quantity of second constant head tank all with the quantity matching of hot spot post.

Preferably, the sealing washer is a silica gel washer.

Preferably, the shell further comprises a steel sheet with a through hole, the steel sheet is fixed on the top wall and covers the corresponding sound outlet hole, the through hole is communicated with the sound outlet hole, and the breathable isolating piece is located on one side, far away from the front cavity, of the steel sheet.

Preferably, the sound outlet hole penetrates through the top wall and the side wall.

Compared with the prior art, the utility model discloses an in the speaker box, the casing protrusion extends and forms boiling hot point post, boiling hot point post forms sealed pad with between the ventilative separator, after the hot melt boiling hot point post will seal ring with ventilative separator presses and establishes and is fixed in the casing, very big degree has been extremely low ventilative separator reaches seal ring rises up the risk, and waterproof and dirt resistance is good, and stability and reliability are higher.

[ 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 a first exploded schematic view of a part of a three-dimensional structure of the speaker box of the present invention;

fig. 3 is a second exploded schematic view of a part of the three-dimensional structure of the speaker box of the present invention;

3 FIG. 3 4 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3

Fig. 5 is an enlarged view of a portion B shown in fig. 4.

[ 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. 1-5, the present invention provides a speaker box 100, which includes a housing 1, a sound generating unit 2, a sound outlet 3, a ventilation spacer 4 and a sealing gasket 5.

The housing 1 has a receiving space 10. Specifically, in the present embodiment, the housing includes a top wall 11 and a side wall 12 extending from the periphery of the top wall 11.

The sounding single body 2 is contained in the shell 1 and fixed with the shell 1. The sounding unit 2 comprises a diaphragm 21 for vibrating and sounding, and the diaphragm 21 and the shell 1 jointly form a front cavity 101. Specifically, the diaphragm 21 and the top wall 11 are disposed opposite to each other at a certain interval.

The sound outlet 3 is arranged through the housing 1. In this embodiment, the sound outlet hole is formed by penetrating through the top wall 11 and the side wall 12, and the sound outlet hole 3 is communicated with the front cavity 101 and used for generating sound.

The breathable isolation piece 4 is attached to the shell 1 and completely covers the sound outlet 3, and the breathable isolation piece 4 covers part of the top wall 11 and part of the side wall 12; the breathable partition 4 prevents foreign matter from entering the front cavity 101 through the sound outlet opening 3 and affecting the acoustic performance of the speaker device 100. The air-permeable isolation member 4 can be mesh cloth or air-permeable damping cloth.

This structure sets up and prevents effectively that the foreign matter from getting into in the speaker box 100 and influence the sound generating performance, simultaneously ventilative separator 4 can also adjust the damping of sound outlet 3 realizes that the high frequency improves the regulation.

The sealing gasket 5 is attached to the shell 1 and arranged around the breathable separator 4.

In this embodiment, the outer surface of the portion of the sealing gasket 5 attached to the side wall 12 and the outer surface of the portion of the breathable partition 4 attached to the side wall 12 are located on the same plane, that is, the outer surfaces of the two are arranged in the same manner, so that the reliability is good when the sealing gasket and the breathable partition are attached.

It should be pointed out especially that, casing 1 protrusion extends and forms boiling hot post 13, boiling hot post 13 is made for hot melt material, and it can take place the hot melt after being heated and warp, through the hot melt back boiling hot post 13 makes seal ring 5 with ventilative isolator 4 is pressed and is established and is fixed in casing 1, and very big degree has been extremely low ventilative isolator 4 reaches seal ring 5 rises the risk of perk, makes speaker box 100's waterproof and dirt proofness is good, and stability and reliability are higher.

In order to ensure that the fixing between the scalding post and the sealing washer and the breathable isolating piece is more reliable, as a more preferable embodiment, one side of the sealing washer 5 close to the scalding post 13 is recessed to form a first positioning groove 54, and one side of the breathable isolating piece 4 close to the scalding post 13 is recessed to form a second positioning groove 43.

In this embodiment, the sealing gasket 5 comprises a first section 51 attached to the top wall, a second section 52 attached to the side wall 12, and a third section 53 connecting the first and

second sections

51, 52. The second section 52 is used as a joint surface between the sealing gasket 5 and the sidewall 12, one side of the second section, which is far away from the scalding point column 13, is fixedly attached to the sidewall 12, one side of the second section, which is close to the scalding point column 13, is opposite to the accommodating groove 120, and the first positioning groove 54 is opened on one side of the second section 52, which is close to the scalding point column 13.

The breathable isolation piece 4 comprises a main body portion 41 attached to the top wall 11 and an extension portion 42 formed by bending and extending the main body portion 41 and attached to the side wall 12. The extending portion 42 serves as a joint surface between the breathable partition 4 and the sidewall 12, the extending portion 42 and the second section 52 are disposed opposite to each other, outer surfaces of the extending portion 42 and the second section 52 are located on the same plane, and the second positioning groove 43 is disposed on one side of the extending portion 42 close to the scalding point column 13.

The first positioning groove 54 and the second positioning groove 43 are oppositely arranged and enclose a limiting groove 6 together, and the scalding point column 13 is inserted into the limiting groove 6; more specifically, the first positioning groove 54 and the second positioning groove 43 are arranged oppositely, and the shapes of the first positioning groove 54 and the second positioning groove 43 are both semicircular, so that the shape of the enclosed limiting groove 6 is circular. Of course, the shapes of the first and

second positioning grooves

54 and 43 are not limited thereto.

In the structure, the hot spot column 13 is inserted into the limit groove 6, so that the pressing area between the hot spot column 13 and the sealing gasket 5 and between the hot spot column and the breathable isolating piece 4 after hot melting is increased, the sealing gasket 5 and the breathable isolating piece 4 are more reliably fixed with the shell 1, and the reliability is further improved.

It should be noted that the number of the scalding post 13, the first positioning groove 54 and the second positioning groove 43 is not limited, and the number of the three is matched with each other, and the specific number of the three can be determined according to the actual use condition; for example, the first positioning slot 54 and the second positioning slot 43 respectively include at least two and are respectively arranged at intervals relatively, and the scalding post 13 also includes at least two and are respectively arranged at intervals relatively.

For example, in the present embodiment, the first positioning grooves 54 and the second positioning grooves 43 respectively include five and are arranged at intervals, the five first positioning grooves 54 and the five second positioning grooves 43 respectively enclose the five limiting grooves 6, and the scalding post 13 includes five and is respectively inserted into the five limiting grooves 6. Through setting up a plurality of scald point post 13, it is right to improve ventilative separator 4 with seal ring 5 support the stability of pressing, avoided the emergence of upwarping phenomenon better, thereby further improve loudspeaker box 100's waterproof and dustproof performance, further improve stability and reliability. Furthermore, at least one of the surface of the sealing gasket 5 away from the housing 1 and the surface of the breathable separator 4 away from the housing 1 is recessed towards the housing 1 corresponding to the periphery of the hot spot column 13 to form an avoidance groove, for example, in the present embodiment, the surface of the sealing gasket 5 away from the housing 1 is recessed towards the housing 1 corresponding to the periphery of the hot spot column 13 to form an avoidance groove 55, and one end of the hot spot column 13 away from the housing 1 after being hot-melted is pressed in the avoidance groove 55; dodge the groove 55 with spacing groove 6 intercommunication, this structure dodge the groove 55 for after the hot melt scald point post 13 provides accommodation space for after the hot melt scald point post 13 reliably presses and locates dodge groove 55, thereby further improve scald point post 13 with fixed reliability between the sealing washer 5.

Preferably, the third section 53 is attached to a joint of the top wall 11 and the side wall 12, and the third section 53 is in a rounded structure. The structure arrangement enables the seal washer 5 to be smoothly transited when being bent from the top wall 11 to the side wall 12, the waterproof sealing performance is not affected, and the reliability of waterproof sealing is improved.

In this embodiment, the sealing washer 5 is a silica gel washer, and the waterproof performance of the silica gel washer is good. Of course, the sealing washer 5 may be made of other materials, such as rubber.

In this embodiment, the housing 1 further comprises a steel sheet 14 with a through hole 15. The steel sheet 14 is fixed on the top wall 11 and covers the corresponding sound outlet 3, that is, covers the sound outlet 3 on the top wall 11. The through hole 15 communicates with the sound outlet hole 3. The breathable partition 4 is positioned on one side of the steel sheet 14 far away from the front cavity 101. The steel plate 14 is arranged to improve the high-frequency sound production performance of the front cavity 101.

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. A loudspeaker box comprises a shell with an accommodating space, a sounding monomer accommodated in the accommodating space, a sound outlet penetrating through the shell, a breathable isolating piece attached to the shell and completely covering the sound outlet, and a sealing gasket attached to the shell and surrounding the breathable isolating piece, the sounding monomer comprises a vibrating diaphragm for vibrating and sounding, the vibrating diaphragm and the shell jointly form a front cavity, the shell comprises a top wall which is opposite to the diaphragm in a spaced mode and a side wall which is bent and extended from the periphery of the top wall, the breathable isolating piece covers a part of the top wall and a part of the side wall, the sound outlet is communicated with the front cavity, the hot-melting type sealing gasket and the breathable isolating piece are characterized in that the shell protrudes and extends to form a hot spot column, the hot spot column is formed between the sealing gasket and the breathable isolating piece, and the hot-melting hot spot column presses and fixes the sealing gasket and the breathable isolating piece on the shell.

2. The loudspeaker box of claim 1, wherein a side of the sealing gasket adjacent to the hot spot post is recessed to form a first positioning groove, a side of the breathable partition adjacent to the hot spot post is recessed to form a second positioning groove, the first positioning groove and the second positioning groove are oppositely arranged and jointly enclose a limiting groove, and the hot spot post is inserted into the limiting groove.

3. The loudspeaker box of claim 2, wherein at least one of the surface of the sealing gasket far away from the housing and the surface of the breathable separator far away from the housing is concave towards the housing to form an avoiding groove, and one end of the hot-melted hot spot post far away from the housing is pressed in the avoiding groove.

4. A loudspeaker enclosure according to claim 3, wherein the evasion groove communicates with the retaining groove.

5. The loudspeaker box according to any one of claims 2-4, wherein the sealing gasket comprises a first section attached to the top wall, a second section attached to the side wall, and a third section connecting the first section and the second section, the third section is attached to the joint of the top wall and the side wall, the third section is in a rounded structure, and the first positioning groove is arranged on one side of the second section close to the hot spot column.

6. The speaker box according to claim 5, wherein the air-permeable partition includes a main body portion attached to the top wall and an extending portion bent and extended from the main body portion and attached to the side wall, the extending portion is disposed opposite to the second section, an outer surface of the extending side portion and an outer surface of the second section are located on the same plane, and the second positioning groove is opened on a side of the extending portion close to the scalding point column.

7. A loudspeaker enclosure as claimed in claim 6, wherein the first detent and the second detent are located directly opposite one another.

8. A loudspeaker enclosure according to claim 7, wherein the first detent and the second detent are each semi-circular in shape.

9. The loudspeaker box of claim 2, wherein the scalding post comprises at least two and are spaced apart from each other, and the number of the first positioning grooves and the number of the second positioning grooves are matched with the number of the scalding posts.

10. A loudspeaker enclosure according to claim 1, wherein the sealing gasket is a silicone gasket.

11. The loudspeaker box of claim 1, wherein the housing further comprises a steel sheet with a through hole, the steel sheet is fixed on the top wall and covers the corresponding sound outlet, the through hole is communicated with the sound outlet, and the breathable partition is located on one side of the steel sheet far away from the front cavity.

12. A loudspeaker enclosure according to claim 1, wherein the sound outlet aperture extends through the top wall and the side wall.