CN212278401U - Loudspeaker box - Google Patents
Loudspeaker box Download PDFInfo
- Publication number
- CN212278401U CN212278401U CN202021001955.6U CN202021001955U CN212278401U CN 212278401 U CN212278401 U CN 212278401U CN 202021001955 U CN202021001955 U CN 202021001955U CN 212278401 U CN212278401 U CN 212278401U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- upper cover
- section
- lower cover
- body 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The utility model provides a loudspeaker box, which comprises an upper cover plate, a lower cover plate, a sounding monomer and an antenna flexible circuit board, wherein the lower cover plate is covered on the upper cover plate and jointly encloses an accommodating space; the antenna flexible circuit board comprises a first section and a second section, wherein the first section is attached to one side, far away from the sounding monomer, of the upper cover plate, the second section is bent and extended reversely from the first section, and the second section penetrates through the first through hole and is attached to one side, close to the sounding monomer, of the upper cover plate; the lower cover plate comprises a lower cover plate body part and a pressing wall, wherein the lower cover plate body part is covered on the upper cover plate and jointly encloses a containing space, the pressing wall extends outwards from the periphery of the lower cover plate body part, and the pressing wall is pressed on the second section to fix the second section on the upper cover plate. Compared with the prior art, the utility model discloses a speaker box has reduced the processing cost when having simplified antenna flexible circuit board's assembly process.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electroacoustic conversion equipment technical field especially relates to a loudspeaker box.
[ 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.
The speaker box in the related art comprises an upper cover, a lower cover assembled with the upper cover to form an accommodating space, a sounding unit accommodated in the accommodating space, and an antenna flexible circuit board fixedly connected with the upper cover.
However, in the speaker box of the related art, the antenna flexible circuit board is fixed to the upper cover by adhesive tape, and in order to prevent the antenna flexible circuit board from warping due to failure after a long time of adhesive tape application, the existing solution is to further fix the antenna flexible circuit board by arranging a hot spot pillar on the upper cover. However, when the method is used for solving the problem of warping of the antenna flexible circuit board, a spot-hot working procedure needs to be added, so that the processing cost of the loudspeaker box is increased.
Therefore, it is necessary 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 processing cost is low and assembly efficiency is high.
In order to achieve the above object, the present invention provides a speaker box, which includes an upper cover plate, a lower cover plate covering the upper cover plate and enclosing an accommodating space, a sounding unit accommodated in the accommodating space, and an antenna flexible circuit board fixed to the upper cover plate, wherein the upper cover plate includes a first through hole penetrating therethrough; the antenna flexible circuit board comprises a first section and a second section, wherein the first section is attached to one side, far away from the sounding monomer, of the upper cover plate, the second section is bent and extended reversely from the first section, and the second section penetrates through the first through hole and is attached to one side, close to the sounding monomer, of the upper cover plate; the lower cover plate comprises a lower cover plate body part and a pressing wall, wherein the lower cover plate body part is covered on the upper cover plate and jointly encloses the accommodating space, the pressing wall extends outwards from the periphery of the lower cover plate body part, and the pressing wall is pressed on the second section so as to fix the second section on the upper cover plate.
Preferably, the upper cover plate comprises an upper cover plate body part provided with the first through hole and a fixed step which is protruded and extended from one side of the upper cover plate body part close to the sounding monomer, and the second section is attached and fixed to the fixed step.
Preferably, the upper cover plate further includes an upper cover plate side wall extending from the upper cover plate body portion to the lower cover plate in a bending manner, the lower cover plate body portion is covered on the upper cover plate side wall, the lower cover plate body portion, the upper cover plate side wall and the upper cover plate body portion together enclose the accommodating space, and the pressing wall extends from the lower cover plate body portion to a direction away from the accommodating space.
Preferably, the first through holes comprise two and are arranged oppositely at intervals, the fixed steps comprise two, the two fixed steps are positioned between the two first through holes, and the two first through holes are respectively connected with the two fixed steps; the second section comprises two second sections, wherein the two second sections extend from two opposite ends of the first section and respectively penetrate through the two first through holes and then are attached to the two fixed steps.
Preferably, the second segment includes an extension wall fixed between the fixed step and the pressing wall in a clamping manner, and a connection wall passing through the first through hole and connecting the first segment and the extension wall, and the antenna flexible circuit board further includes a pad disposed on the extension wall.
Preferably, the upper cover plate further includes an accommodating groove formed by recessing a side of the upper cover plate body portion away from the sound generating unit, the first through hole penetrates through the accommodating groove, and the first section is disposed in the accommodating groove.
Preferably, the upper cover plate further includes an annular support wall protruding and extending from the upper cover plate body portion to the lower cover plate direction, and the sound generating unit is supported and fixed on the support wall.
Preferably, the lower cover plate further includes a second through hole penetrating through the body portion of the lower cover plate, and the sound generating unit is exposed to the accommodating space through the second through hole portion.
Preferably, the lower cover plate and the upper cover plate are fixed through ultrasonic welding.
Preferably, the lower cover plate is made of a plastic material.
Compared with the prior art, the loudspeaker box of the utility model has the advantages that the lower cover plate comprises a lower cover plate body part which is covered on the upper cover plate and forms an accommodating space together with the upper cover plate and a pressing wall which extends outwards from the periphery of the lower cover plate body part; the lower cover plate body part and the upper cover plate body part are fixed through ultrasonic welding, the pressing wall is pressed on the second section to fix the second section on the upper cover plate, the fixing fastness of the antenna flexible circuit board and the upper cover plate is enhanced through the structure, the problem that the antenna flexible circuit board is warped is prevented, and the stability of the loudspeaker box is improved. On the other hand, due to the arrangement of the structure, the antenna flexible circuit board is not required to be further fixed by arranging the hot spot column on the upper cover plate, so that one hot spot procedure is reduced, and the processing cost is reduced.
[ 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 enlarged view of a portion B shown in FIG. 1;
fig. 3 is an exploded schematic view of a part of the three-dimensional structure of the speaker box of the present invention;
fig. 4 is an exploded view of a part of the three-dimensional structure of another perspective speaker box of the present invention;
FIG. 5 is a sectional view taken along line A-A of FIG. 1;
fig. 6 is an enlarged view of a portion indicated by C in fig. 5.
[ 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. 1-6, the present invention provides a speaker box 100, which comprises an upper cover plate 1, a lower cover plate 2 covering the upper cover plate 1 and enclosing a containing space 10, a sounding unit 3 contained in the containing space 10, and an antenna flexible circuit board 4 fixed on the upper cover plate 1.
The upper cover plate 1 includes a first through hole 11 therethrough.
The lower cover plate 2 includes a lower cover plate body 21 covering the upper cover plate 1 and enclosing the accommodating space 10, and a pressing wall 22 extending outward from the periphery of the lower cover plate body 21.
The antenna flexible circuit board 4 is including laminating in upper cover plate 1 keeps away from the first section 41 of sound production monomer 3 one side and by the second section 42 that first section 41 was reverse to be buckled and is extended, second section 42 passes first through-hole 11 and laminate in upper cover plate 1 is close to one side of sound production monomer 3.
In the above structure, the lower cover plate 2 and the upper cover plate 1 are fixed by ultrasonic welding, and the pressing wall 22 is pressed on the second section 42 to fix the second section 42 to the upper cover plate 1. The antenna flexible circuit 4 and the fixing fastness of the upper cover plate 1 are strengthened by the arrangement of the structure, the problem that the antenna flexible circuit board 4 is warped is solved, and the stability of the loudspeaker box is improved. On the other hand, due to the arrangement of the structure, the antenna flexible circuit board 4 is further fixed without arranging a hot spot column on the upper cover plate 1, so that a hot spot procedure is reduced, and the processing cost is reduced.
Specifically, the upper cover plate 1 includes an upper cover plate main body 12 provided with the first through hole 11 and a fixing step 13 protruding from one side of the upper cover plate main body 12 close to the sound generating unit 3, and the second section 42 is attached to and fixed to the fixing step 13.
The upper cover plate 1 further includes an upper cover plate side wall 14 extending from the upper cover plate body 12 to the lower cover plate 2 in a bending manner, the lower cover plate body 21 is covered on the upper cover plate side wall 14, the lower cover plate body 21, the upper cover plate side wall 14 and the upper cover plate body 12 jointly enclose the accommodating space 10, and the pressing wall 22 extends from the lower cover plate body 12 in a direction away from the accommodating space 10.
In the present embodiment, in order to avoid occupying the external space of the speaker box 100, the upper cover 1 further includes a receiving groove 15 formed by recessing the side of the upper cover body 12 away from the sound generating unit 3, the first through hole 11 is disposed through the receiving groove 15, and the first segment 41 is disposed in the receiving groove 15.
Further, the first through holes 11 include two and are arranged opposite to each other at intervals, the fixed steps 13 include two, the two fixed steps 13 are located between the two first through holes 11, and the two first through holes 11 are respectively connected with the two fixed steps 13; the second sections 42 include two second sections 42, and the two second sections 42 extend from two opposite ends of the first section 41, respectively penetrate through the two first through holes 11, and are attached to the two fixing steps 13.
Further, the second segment 42 includes an extension wall 421 sandwiched and fixed between the fixed step 13 and the pressing wall 22, and a connection wall 422 passing through the first through hole 11 and connecting the first segment 41 and the extension wall 421, and the antenna flexible circuit board 4 further includes a pad 43 disposed on the extension wall 421.
In the present embodiment, the lower cover plate 1 is made of a plastic material. Of course, not limited thereto.
In this embodiment, the speaker box further includes the flexible circuit board 5, the flexible circuit board 5 includes a lead connection portion 51 located in the accommodating space 10 and fixed to form an electrical connection with the sound generating unit 3, a bending portion 52 bent and extended from the lead connection portion 51 to the upper cover plate 1, and a guiding portion 53 bent and extended from the bending portion 52 to the outside of the accommodating space 10 and used for connecting an external power source, and the bending portion 52 and the guiding portion 53 are both attached to the upper cover plate 1. This flexible circuit board 5's structural design makes lower apron 2 with upper cover plate 1 is fixed through ultrasonic welding to the kink 52 with the portion 53 is all not caused the influence to the lead, has avoided flexible circuit board 5 takes place cracked phenomenon, has improved the yield of speaker box.
In order to improve the fixing strength of the flexible circuit board 5 and the upper cover plate 1 and further improve the stability of the speaker box, the bending portion 52 is provided with a positioning hole 521 penetrating through the bending portion, a positioning column 16 matched with the positioning hole 521 is arranged on one side of the upper cover plate 1 close to the lower cover plate 2, and the positioning column 16 is inserted into the positioning hole 521.
In the present embodiment, the upper cover 1 further includes a ring-shaped support wall 17 that projects from the upper cover body 11 toward the lower cover 2, and the sound generating unit 3 is supported and fixed on the support wall 17.
Preferably, the lower cover 2 further includes a second through hole 23 penetrating through the lower cover body 21, and a portion of the sound generating unit 3 is leaked to the accommodating space 10 through the second through hole 23. The arrangement of the structure reduces the overall height of the loudspeaker box, effectively improves the internal space utilization rate, and is favorable for the miniaturization design of the loudspeaker box 100.
Compared with the prior art, the loudspeaker box of the utility model has the advantages that the lower cover plate comprises a lower cover plate body part which is covered on the upper cover plate and forms an accommodating space together with the upper cover plate and a pressing wall which extends outwards from the periphery of the lower cover plate body part; the lower cover plate is fixed with the upper cover plate through ultrasonic welding, and the pressing wall is pressed and arranged on the second section to fix the second section on the upper cover plate, the fixing fastness of the structure is enhanced, the antenna flexible circuit board is prevented from warping, and the stability of the loudspeaker box is improved. On the other hand, due to the arrangement of the structure, the antenna flexible circuit board is not required to be further fixed by arranging the hot spot column on the upper cover plate, so that one hot spot procedure is reduced, and the processing cost is reduced.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (10)
1. A loudspeaker box comprises an upper cover plate, a lower cover plate, a sound production unit and an antenna flexible circuit board, wherein the lower cover plate covers the upper cover plate and jointly encloses an accommodating space; the antenna flexible circuit board comprises a first section and a second section, wherein the first section is attached to one side, far away from the sounding monomer, of the upper cover plate, the second section is bent and extended reversely from the first section, and the second section penetrates through the first through hole and is attached to one side, close to the sounding monomer, of the upper cover plate; the lower cover plate comprises a lower cover plate body part and a pressing wall, wherein the lower cover plate body part is covered on the upper cover plate and jointly surrounds the upper cover plate to form the containing space, the pressing wall extends outwards from the periphery of the lower cover plate body part, and the pressing wall is pressed on the second section to fix the second section on the upper cover plate.
2. The speaker box according to claim 1, wherein the upper cover includes an upper cover body portion provided with the first through hole, and a fixing step protruding from a side of the upper cover body portion adjacent to the sound generating unit, and the second section is attached and fixed to the fixing step.
3. The speaker box according to claim 2, wherein the upper cover further includes an upper cover sidewall extending from the upper cover body portion to the lower cover, the lower cover body portion covers the upper cover sidewall, the lower cover body portion, the upper cover sidewall and the upper cover body portion together enclose the receiving space, and the pressing wall extends from the lower cover body portion in a direction away from the receiving space.
4. The loudspeaker box of claim 2, wherein the first through holes comprise two and are oppositely arranged at intervals, the fixed steps comprise two, the two fixed steps are positioned between the two first through holes, and the two first through holes are respectively connected with the two fixed steps; the second section comprises two second sections, wherein the two second sections extend from two opposite ends of the first section and respectively penetrate through the two first through holes and then are attached to the two fixed steps.
5. The speaker box according to claim 2, wherein the second segment includes an extension wall sandwiched and fixed between the fixing step and the pressing wall, and a connection wall passing through the first through hole and connecting the first segment and the extension wall, and the antenna flexible circuit board further includes a pad provided on the extension wall.
6. The speaker box of claim 2, wherein the upper cover further includes a receiving groove formed by recessing a side of the main body of the upper cover away from the sound generating unit, the first through hole is disposed through the receiving groove, and the first section is disposed in the receiving groove.
7. A speaker cabinet according to claim 1, wherein the upper cover further includes a support wall in a ring shape extending from the upper cover body portion to project toward the lower cover, and the sound-generating unit is supported and fixed to the support wall.
8. The speaker box of claim 7, wherein the lower cover further includes a second through hole penetrating through the body portion of the lower cover, and the sound generating unit is exposed to the accommodating space through the second through hole.
9. A loudspeaker enclosure according to claim 1, wherein the lower cover plate and the upper cover plate are secured by ultrasonic welding.
10. A loudspeaker enclosure according to claim 8, wherein the lower cover plate is made of a plastics material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021001955.6U CN212278401U (en) | 2020-06-03 | 2020-06-03 | Loudspeaker box |
| PCT/CN2020/095884 WO2021243748A1 (en) | 2020-06-03 | 2020-06-12 | Loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021001955.6U CN212278401U (en) | 2020-06-03 | 2020-06-03 | Loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212278401U true CN212278401U (en) | 2021-01-01 |
Family
ID=73881633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021001955.6U Expired - Fee Related CN212278401U (en) | 2020-06-03 | 2020-06-03 | Loudspeaker box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN212278401U (en) |
| WO (1) | WO2021243748A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123873B (en) * | 2017-06-16 | 2023-06-02 | 凡甲电子(苏州)有限公司 | Flexible circuit board connector |
| CN106848658B (en) * | 2016-05-06 | 2019-05-14 | 凡甲电子(苏州)有限公司 | Electric connector |
| CN207354611U (en) * | 2017-10-09 | 2018-05-11 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN207625732U (en) * | 2017-11-24 | 2018-07-17 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN208798196U (en) * | 2018-08-03 | 2019-04-26 | 瑞声科技(新加坡)有限公司 | Flexible circuit board and loudspeaker with the flexible circuit board |
| WO2021000089A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker device |
-
2020
- 2020-06-03 CN CN202021001955.6U patent/CN212278401U/en not_active Expired - Fee Related
- 2020-06-12 WO PCT/CN2020/095884 patent/WO2021243748A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021243748A1 (en) | 2021-12-09 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 Termination date: 20210603 |