CN220874675U - Rear cover made of aluminum alloy - Google Patents
Rear cover made of aluminum alloy Download PDFInfo
- Publication number
- CN220874675U CN220874675U CN202322554927.7U CN202322554927U CN220874675U CN 220874675 U CN220874675 U CN 220874675U CN 202322554927 U CN202322554927 U CN 202322554927U CN 220874675 U CN220874675 U CN 220874675U
- Authority
- CN
- China
- Prior art keywords
- cover body
- aluminum alloy
- cover
- rear cover
- annular groove
- 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.)
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 19
- 238000013016 damping Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses a rear cover made of aluminum alloy, which comprises a cover body, wherein the whole cover body is made of aluminum alloy, a phase inversion hole is formed in the center of the cover body, a balancing weight is arranged on the inner side of the cover body, an assembly opening is formed in one side of the cover body, inserting blocks are outwards arranged on two side edges of the cover body in a protruding mode, an annular groove is concavely formed in the edge of the bottom surface of the cover body, and a plurality of screw holes and damping pins are arranged at the annular groove. Novel lid that audio amplifier was used wholly adopts aluminum alloy to make to form, compares with prior art, and the radiating effect is good, and built-in four balancing weights for the audio amplifier is more steady in the use, has reduced the vibration, lets the vibrating diaphragm atress more even, and loudspeaker response is faster, and the distortion is lower.
Description
Technical Field
The utility model relates to the technical field of electronic accessories, in particular to a mini Bluetooth sound box rear cover made of aluminum alloy.
Background
The bluetooth speaker refers to built-in bluetooth chip to bluetooth connection replaces traditional wire rod connected sound equipment, through being connected with bluetooth playback devices such as cell-phone panel computer and notebook, reaches convenient and fast's purpose, and at present bluetooth speaker is mainly with portable audio amplifier, and the appearance is generally comparatively small and exquisite portable, and bluetooth speaker technique also relies on its characteristics that make things convenient for the people to attach to and accept by the consumer gradually, and common bluetooth speaker is mostly monaural audio amplifier (Shan Yangsheng units) on the market, has also emerged some multichannel audio amplifier that tone quality is excellent simultaneously.
The existing back cover of mini bluetooth speaker generally adopts plastic parts, but the radiating effect of plastic parts is poor, is unfavorable for the built-in electronic component heat dissipation, and plastic parts are lighter moreover, and in the use, loudspeaker also can become big along with the vibrations range that the volume was increaseed and produce, can make whole stereo set shake unstable to influence the result of use of audio amplifier, vibration is also inhomogeneous, and the distortion is bigger.
Disclosure of utility model
The utility model mainly aims to provide the rear cover made of the aluminum alloy, which has good heat dissipation effect, is more stable in the use process, reduces vibration, ensures that the stress of the vibrating diaphragm is more uniform, and has lower distortion.
The problems in the background art can be effectively solved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a lid behind aluminum alloy system, includes the lid, the whole of lid adopts aluminum alloy to make, the central authorities of lid are equipped with the phase inversion hole, and the inboard of lid is equipped with the balancing weight, and one side of lid is equipped with the assembly opening, and the bottom border of surrounding the lid outwards is equipped with the installation card limit that is used for being connected with the face guard, and the outside of surrounding the lid is equipped with the side slot that is used for installing the lamp area, the both sides limit of lid outwards the evagination is equipped with the inserted block, and this inserted block is for being used for the slot pair installation with the face guard, the bottom surface edge indent of lid is equipped with annular groove, and annular groove department is equipped with a plurality of screw hole and shock attenuation foot.
Preferably, an outer cover capable of covering the lamp strip is arranged outside the side groove. The outer cover is semitransparent, and the surface is treated by a frosting process, so that the light emitted by the lamp is softer.
Preferably, the side groove is penetrated with a through hole. A connecting wire for wearing the lamp area, the lamp area is also fixed through this through-hole simultaneously.
Preferably, the balancing weight is provided with four blocks, and is symmetrically distributed on the inner side of the cover body. The weight of the cover body is increased, and the equipment is ensured to be more stable in use.
Preferably, the annular groove is provided with a rubber sealing pad, and the rubber sealing pad is fixed in the annular groove of the cover body through adhesive.
Preferably, the cover body has a circular structure or a square structure.
The utility model has the following beneficial effects:
Novel lid that audio amplifier was used wholly adopts aluminum alloy to make to form, compares with prior art, and the radiating effect is good, and built-in four balancing weights for the audio amplifier is more steady in the use, has reduced the vibration, lets the vibrating diaphragm atress more even, and loudspeaker response is faster, and the distortion is lower.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the back structure of the present utility model;
Fig. 3 is a side view of the present utility model.
In the figure: 1. a cover body; 2. a phase inversion hole; 3. balancing weight; 4. a fitting opening; 5. installing a clamping edge; 6. a side groove; 7. inserting blocks; 8. screw holes; 9. damping feet; 10. an outer cover; 11. sealing the rubber pad; 12. and a through hole.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, an aluminum alloy rear cover in this scheme, its embodiment includes a cover body 1, the whole of cover body 1 adopts aluminum alloy to make, and this cover body is circular structure, the center of cover body 1 is equipped with phase inversion hole 2, plays low frequency sound wave expansion effect, plays the cushioning effect during vibration. The inboard of lid 1 is equipped with balancing weight 3, and one side of lid 1 is equipped with assembly opening 4, and assembly opening 4's effect is kept away the vacancy for avoid the effect of the interface that charges of audio amplifier inner circuit board, outwards be equipped with around the bottom border of lid 1 and be used for the installation card limit 5 of being connected with the face guard, be equipped with around the outside of lid 1 and be used for installing the side slot 6 in lamp area, the both sides limit of lid 1 outwards the evagination is equipped with cartridge 7, and this cartridge 7 is for being used for the slot pair installation with the face guard, the bottom surface edge indent of lid 1 is equipped with annular groove, and annular groove department is equipped with a plurality of screw hole 8 and shock attenuation foot 9.
An outer cover 10 which can cover the lamp strip is arranged outside the side groove 6, the outer cover 10 is semitransparent, and the surface is treated by a frosting process, so that the light radiated by the lamp is softer; the side groove 6 is penetrated with a plurality of through holes 12, in the embodiment, the through holes 12 are provided with a plurality of connecting wires for threading the lamp strip, and the lamp strip is fixed through the through holes 12; the four balancing weights 3 are symmetrically distributed on the inner side of the cover body 1, so that the weight of the cover body 1 is increased, and the equipment is ensured to be more stable in use; the annular groove is provided with the sealing rubber pad 11, the sealing rubber pad 11 is fixed in the annular groove of the cover body 1 through adhesive, and the whole screw hole 8 is covered inside to play a role in sealing.
Working principle: during installation, the circuit board is installed in the cover body 1, screws are installed in the screw holes 8 to lock the circuit board, the annular groove of the cover body 1 is covered with a side sealing rubber pad 11, the screws are wrapped and sealed, the lamp strip is installed in the side groove 6, the outer cover 10 is fastened at the side groove 6, the lead wires of the lamp strip penetrate through the through holes 12 to be connected with the circuit board, finally the face shield of the sound box is inserted with the insertion block 7 of the cover body 1 through the slot on the inner side of the face shield, and then the side face of the cover body 1 is locked through the screws. Compared with the prior art, the radiating effect is good, and four balancing weights 3 are arranged in the loudspeaker box, so that the loudspeaker box is more stable in the use process, vibration is reduced, the vibrating diaphragm is stressed more uniformly, the loudspeaker response is faster, and the distortion is lower.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a rear cover made of aluminum alloy, includes lid (1), its characterized in that: the utility model discloses a lamp cover is characterized by comprising a cover body (1), wherein the whole of the cover body (1) adopts aluminum alloy to make, the center of the cover body (1) is provided with a phase inversion hole (2), the inner side of the cover body (1) is provided with a balancing weight (3), one side of the cover body (1) is provided with an assembly opening (4), an installation clamping edge (5) used for being connected with a face mask is outwards arranged around the bottom edge of the cover body (1), a side groove (6) used for installing a lamp strip is arranged around the outer side of the cover body (1), two side edges of the cover body (1) are outwards protruded to be provided with an inserting block (7), the inserting block (7) is used for being installed in a matching mode with a slot of the face mask, and an annular groove is formed in the edge of the bottom surface of the cover body (1) in a concave mode and provided with a plurality of screw holes (8) and damping feet (9).
2. The aluminum alloy rear cover according to claim 1, wherein: an outer cover (10) capable of covering the lamp strip is arranged outside the side groove (6).
3. The aluminum alloy rear cover according to claim 1 or 2, wherein: the side groove (6) is penetrated with a through hole (12).
4. The aluminum alloy rear cover according to claim 1, wherein: the balancing weights (3) are provided with four blocks in total and are symmetrically distributed on the inner side of the cover body (1).
5. The aluminum alloy rear cover according to claim 1, wherein: the annular groove is provided with a rubber sealing pad (11), and the rubber sealing pad (11) is fixed in the annular groove of the cover body (1) through adhesive.
6. The aluminum alloy rear cover according to claim 1, wherein: the cover body (1) is of a round structure or a square structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322554927.7U CN220874675U (en) | 2023-09-19 | 2023-09-19 | Rear cover made of aluminum alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322554927.7U CN220874675U (en) | 2023-09-19 | 2023-09-19 | Rear cover made of aluminum alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220874675U true CN220874675U (en) | 2024-04-30 |
Family
ID=90813371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322554927.7U Active CN220874675U (en) | 2023-09-19 | 2023-09-19 | Rear cover made of aluminum alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220874675U (en) |
-
2023
- 2023-09-19 CN CN202322554927.7U patent/CN220874675U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |