CN209823927U - Loudspeaker box - Google Patents
Loudspeaker box Download PDFInfo
- Publication number
- CN209823927U CN209823927U CN201822275026.3U CN201822275026U CN209823927U CN 209823927 U CN209823927 U CN 209823927U CN 201822275026 U CN201822275026 U CN 201822275026U CN 209823927 U CN209823927 U CN 209823927U
- Authority
- CN
- China
- Prior art keywords
- upper cover
- lower cover
- sound
- cover plate
- spacing portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000013016 damping Methods 0.000 claims description 3
- 239000000178 monomer Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model provides a loudspeaker box, which comprises a lower cover, an upper cover and a sounding monomer, wherein the lower cover is arranged on the lower cover and forms an accommodating space together with the lower cover; the lower cover includes the lower cover plate and by the edge of lower cover plate is to being close to the barricade that the upper cover direction extends, the upper cover include the upper cover plate and by the periphery of upper cover plate to the lateral wall that the lower cover plate direction extends, preceding sound chamber passes through go out sound hole and external intercommunication, wherein, the barricade is equipped with first spacing portion, the correspondence of upper cover the position of first spacing portion be equipped with the cooperation of first spacing portion and form the spacing portion of second of spacing joint. Compared with the prior art, the utility model discloses can improve the stability of product.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to electroacoustic transduction field relates to a speaker box especially.
[ 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.
It includes the lower cover, with the upper cover that the lower cover lid connects, by accommodating space that upper cover and lower cover constitute jointly, arrange in sound production monomer in the accommodating space, the lower cover includes the lower cover plate, by the edge of lower cover plate is to being close to the barricade that the upper cover direction extends.
The related art is not enough in that the area on the left side of the sound outlet hole is not provided with a limiting structure, and the upper cover is easy to shift forwards during ultrasonic assembly, so that the terminal assembly is poor and the reliability of a product is affected.
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 structural stability is good and acoustic performance is excellent.
In order to achieve the above object, the present invention provides a speaker box, which includes a lower cover, an upper cover covering the lower cover and enclosing an accommodation space together with the lower cover, and a sound generating unit accommodated in the accommodation space, wherein one side of the speaker box is provided with a sound outlet, and the sound generating unit and the upper cover are spaced to form a front sound cavity; the lower cover includes the lower cover plate and by the edge of lower cover plate is to being close to the barricade that the upper cover direction extends, the upper cover include the upper cover plate and by the periphery of upper cover plate to the lateral wall that the lower cover plate direction extends, preceding sound chamber passes through go out sound hole and external intercommunication, the barricade is equipped with first spacing portion, the correspondence of upper cover the position of first spacing portion be equipped with the cooperation of first spacing portion and form the spacing portion of second of spacing joint.
Preferably, the first limiting part is located at one end, close to the sound outlet, of the retaining wall.
Preferably, first spacing portion be by the barricade to the joint that the upper cover direction extended to form is protruding, the spacing portion of second is the joint recess that the upper cover is sunken to form.
Preferably, the first limiting portion comprises a plurality of limiting portions which are arranged at intervals.
Preferably, the first limiting part is of a cuboid structure.
Preferably, the speaker box further comprises a breathable gasket covering the side wall and completely covering the sound outlet hole.
Preferably, the upper cover, the sound production monomer and the lower cover enclose and establish back sound chamber, the upper cover be equipped with the hole of leaking of back sound chamber intercommunication, the speaker box is still located including the lid the upper cover covers completely leak the damping piece in hole.
Compared with the prior art, the utility model relates to a loudspeaker box is regional on a sound hole left side, and on the lower cover bulkhead, set up the characteristic of one or more first spacing portions, the corresponding spacing portion cooperation location of second of establishing of upper cover can prevent effectively that the ultrasonic wave from assembling the time, and the upper cover skew, loudspeaker box size uniformity is good, and is assembled well with the terminal. Can improve the stability of the product.
[ 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 a speaker box according to the present invention;
FIG. 3 is a cross-sectional view taken along plane A-A of FIG. 1;
fig. 4 is a cross-sectional view taken along the plane B-B in fig. 1.
[ 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. 1-4, a speaker box 100 includes a lower cover 2, an upper cover 1 covering the lower cover 2 and enclosing an accommodating space 10 together with the upper cover, and a sound generating unit 3 accommodated in the accommodating space (not shown), wherein a sound outlet 5 is formed at one side of the speaker box 100, and a front sound cavity 7 is formed between the sound generating unit 3 and the upper cover 1 at an interval; the lower cover 2 comprises a lower cover plate 21 and a retaining wall 22 which is close to the edge of the lower cover plate 21 and extends in the direction of the upper cover 1, the upper cover 1 comprises an upper cover plate 13 and a side wall 12 which is extended in the direction of the lower cover plate 21 and is surrounded by the upper cover plate 13, and the front sound cavity 7 is communicated with the outside through the sound outlet 5. The speaker box 100 further includes a ventilation pad 6 covering the sidewall 12 and completely covering the sound outlet hole 5. The upper cover 1, the sounding monomer 3 and the lower cover 2 are enclosed to form a rear sound cavity 71, the upper cover 1 is provided with a leakage hole 8 communicated with the rear sound cavity 71, and the loudspeaker box 100 further comprises a damping part 9 which covers the upper cover 1 and completely covers the leakage hole 8.
In this embodiment, the speaker box 100 further includes an FPC4, and the FPC4 is fixed to the lower cover 2, for example, by adhering a double-sided tape to the upper surface of the lower cover 2.
In this embodiment, the retaining wall 22 is provided with a first limiting portion 23, and a second limiting portion 11 which is matched with the first limiting portion 23 and forms a limiting clamp is arranged at a position of the upper cover 1 corresponding to the first limiting portion 23. The first limiting part 23 is located at one end of the retaining wall 22 close to the sound outlet 5. First spacing portion 23 is by barricade 22 to the joint that the upper cover 1 direction extended to form is protruding, spacing portion 11 of second does the sunken joint recess that forms of upper cover 1, when this design can effectively prevent the ultrasonic wave equipment, upper cover 1 skew.
More preferably, the first limiting portion 23 comprises a plurality of limiting portions which are arranged at intervals, and the first limiting portion 23 is of a cuboid structure. The design is favorable for molding and ensures the mechanical property of the product.
Compared with the prior art, the utility model relates to a loudspeaker box is regional on a sound hole left side, and on the lower cover bulkhead, set up the characteristic of one or more first spacing portions, the corresponding spacing portion cooperation location of second of establishing of upper cover can prevent effectively that the ultrasonic wave from assembling the time, and the upper cover skew, loudspeaker box size uniformity is good, and is assembled well with the terminal. Can improve the stability of the product.
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 (7)
1. A loudspeaker box comprises a lower cover, an upper cover and a sound generating unit, wherein the upper cover is covered on the lower cover and encloses an accommodating space together with the lower cover, the sound generating unit is accommodated in the accommodating space, a sound generating hole is formed in one side of the loudspeaker box, and a front sound cavity is formed between the sound generating unit and the upper cover at an interval; the lower cover includes the lower cover plate and by the edge of lower cover plate is to being close to the barricade that the upper cover direction extends, the upper cover include the upper cover plate and by the periphery of upper cover plate to the lateral wall that the lower cover plate direction extends, preceding sound chamber passes through go out sound hole and external intercommunication, its characterized in that, the barricade is equipped with first spacing portion, the correspondence of upper cover the position of first spacing portion be equipped with the cooperation of first spacing portion and form the spacing portion of second of spacing joint.
2. The speaker box according to claim 1, wherein the first position-limiting portion is located at an end of the retaining wall near the sound outlet.
3. The loudspeaker box of claim 1, wherein the first limiting part is a clamping protrusion formed by extending the retaining wall towards the upper cover, and the second limiting part is a clamping groove formed by recessing the upper cover.
4. The speaker box of claim 1, wherein the first position-limiting portion comprises a plurality of position-limiting portions and is disposed at a distance from each other.
5. The loudspeaker enclosure of claim 1, wherein the first limiting portion is a rectangular parallelepiped.
6. The speaker cabinet of claim 1, further comprising a breathable gasket covering the sidewall and completely covering the sound outlet hole.
7. The loudspeaker box of claim 1, wherein the upper cover, the sound generating unit and the lower cover enclose a rear sound cavity, the upper cover is provided with a leakage hole communicated with the rear sound cavity, and the loudspeaker box further comprises a damping member covering the upper cover and completely covering the leakage hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822275026.3U CN209823927U (en) | 2018-12-29 | 2018-12-29 | Loudspeaker box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822275026.3U CN209823927U (en) | 2018-12-29 | 2018-12-29 | Loudspeaker box |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209823927U true CN209823927U (en) | 2019-12-20 |
Family
ID=68870505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201822275026.3U Expired - Fee Related CN209823927U (en) | 2018-12-29 | 2018-12-29 | Loudspeaker box |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209823927U (en) |
-
2018
- 2018-12-29 CN CN201822275026.3U patent/CN209823927U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |
|
CF01 | Termination of patent right due to non-payment of annual fee |