CN205092941U - Audio amplifier box and audio amplifier - Google Patents
Audio amplifier box and audio amplifier Download PDFInfo
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- CN205092941U CN205092941U CN201520703875.8U CN201520703875U CN205092941U CN 205092941 U CN205092941 U CN 205092941U CN 201520703875 U CN201520703875 U CN 201520703875U CN 205092941 U CN205092941 U CN 205092941U
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- fore shell
- back cover
- sound box
- audio amplifier
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Abstract
The utility model discloses an audio amplifier box and audio amplifier, this box (1) has holding chamber (111) that are used for holding loudspeaker body (2) inside backshell (11) including preceding shell (12) and backshell (11), and backshell (11) have with holding chamber (111) communicating opening (112), preceding shell (12) are provided with mounting hole (121) that are used for installing loudspeaker body (2), and preceding shell (12) matching is installed and is located at opening (112), just with backshell (11) fixed connection, backshell (11) are by wood plastic composite injection moulding. The utility model discloses the audio amplifier is through adopting the utility model discloses the box has better tone quality promptly, has lower manufacturing cost and price again, has obviously improved the price / performance ratio of audio amplifier.
Description
Technical field
The utility model relates to electro-acoustic product technical field, and more specifically, the utility model relates to a kind of sound box and adopts the audio amplifier of this kind of sound box.
Background technology
Existing sound box is adopt plastic cement or wood materials to make substantially, and wherein, the shaping audio amplifier being generally applied to small volume of plastic-injection, wood materials is generally used for the larger audio amplifier of volume.Be limited to the characteristic of plastic cement and the processing procedure of injection mold, for ensureing that the outward appearance of product can not exist shrink phenomenon, usually thinner by the wall thickness of the shaping casing of plastic-injection, generally can not more than 3mm, therefore, this kind of audio amplifier exists cannot avoid casing to resonate, the problem that tonequality is poor.Although adopt the audio amplifier made of wood materials can have thicker wall thickness, and therefore obtain good tonequality, be limited to the processing technology of wood materials, be difficult to realize automated production, therefore, it is low to there is production efficiency in this kind of audio amplifier, the problem that cost is higher.As can be seen here, along with the requirement of market to the cost performance of audio amplifier is more and more higher, existing sound box cannot be met the need of market, is necessary to make improvements.
Utility model content
An object of the present utility model is to provide a kind of sound box, and this kind of sound box is conducive to the cost performance improving audio amplifier.
According to first aspect of the present utility model, provide a kind of sound box, it comprises fore shell and back cover, and described back cover inside has the containing cavity for accommodating horn single body, and described back cover has the opening communicated with described containing cavity; Described fore shell is provided with the installing hole for installing described horn single body, and described fore shell Matching installation at described opening part, and is fixedly connected with described back cover; Described back cover is by wood plastic composite injection mo(u)lding.
Preferably, described wood plastic composite is wood-fibred reinforced polypropylene compound material or wood-fibred enhanced polyethylene composite material.
Preferably, the wall thickness of described back cover is greater than 3mm, is less than or equal to 10mm.
Preferably, described fore shell is by aluminium alloy extruded shaping.
Preferably, the outer surface of described fore shell has anode oxide film or coating.
Preferably, described back cover be provided be positioned at described opening edge on one circle fin, the inner surface of described fore shell is provided with the groove of corresponding fin, described fore shell is fastened on back cover by groove with coordinating of fin, and described sound box also comprises the encapsulant be arranged between described fin and described groove.
Preferably, described back cover is injected with the projection for being connected described fore shell by fore shell lock screw, and described projection is arranged in described containing cavity.
Preferably, described projection is connected with attaching nut, described sound box realizes being fixedly connected with described fore shell with described back cover through described fore shell with the structure that corresponding attaching nut coordinates by making described fore shell lock screw.
An object of the present utility model is to provide a kind of audio amplifier had compared with high performance-price ratio.
According to second aspect of the present utility model, provide a kind of audio amplifier, it comprises horn single body and above-mentioned sound box described in any one, described horn single body and described installing hole one_to_one corresponding configure, and described horn single body is arranged on corresponding installing hole, and by loudspeaker locking screw locking on described fore shell.
Preferably, described audio amplifier comprises at least one loudspeaker monomer and at least one bass horn monomer.
A beneficial effect of the present utility model is, on the one hand, because the back cover of the utility model sound box is by wood plastic composite injection mo(u)lding, at this, because wood plastic composite also can not make product appearance occur shrink phenomenon when being shaped to thicker spending, therefore, this kind of structure makes back cover to be shaped to have thicker wall thickness, and then improves audio amplifier tonequality; Again because wood plastic composite can realize automated production by injection mo(u)lding, therefore, this kind of structure makes sound box have lower production cost; All these illustrate that the utility model sound box can improve the cost performance of audio amplifier.On the other hand, the utility model sound box adopts the split-type structural comprising fore shell and back cover, and the installing hole for installing horn single body is arranged on fore shell, this kind of structure is conducive to the injection molding process simplifying this kind of back cover, reduces production cost further.
Accompanying drawing explanation
In the description combined and the accompanying drawing forming a part for specification shows embodiment of the present utility model, and illustrate that one is used from and explains principle of the present utility model together with it.
Fig. 1 is the perspective view of a kind of execution mode according to the utility model audio amplifier;
Fig. 2 is the decomposition texture schematic diagram of shown audio amplifier.
Description of reference numerals:
1-sound box; 11-back cover;
111-containing cavity; 112-opening;
113-projection; 12-fore shell;
121-installing hole; 123-through hole;
13-fore shell lock screw; 3-loudspeaker lock screw.
Embodiment
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part for specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
The lower problem of cost performance that the utility model exists to solve existing audio amplifier, provide a kind of sound box through improving, as depicted in figs. 1 and 2, this sound box 1 comprises fore shell 12 and back cover 11, back cover 11 inside has the containing cavity 111 for accommodating horn single body 2, and back cover 11 has the opening 112 communicated with containing cavity 111; Fore shell 12 is provided with the installing hole 121 for installing horn single body 2, and fore shell 12 Matching installation at this opening 112 place, and is fixedly connected with back cover 11; Back cover 11 is by wood plastic composite injection mo(u)lding.This wood plastic composite is the class advanced composite material (ACM) be in recent years surging forward both at home and abroad, concrete finger utilizes polyethylene, polypropylene and polyvinyl chloride etc. to replace common resin adhesive, new wood materials is mixed with useless strings such as wood powder, rice husk, stalks, this kind of material not only has good strength character, and emphasis is the corresponding product can produced by plastic processings such as injection mouldings.
The back cover 11 of the utility model sound box 1 adopts and is by the advantage of the structure of wood plastic composite injection mo(u)lding: because wood plastic composite also can not make product appearance occur shrink phenomenon when being shaped to thicker spending, therefore, this kind of structure makes back cover 11 to be shaped to have thicker wall thickness, and then can effectively improve audio amplifier tonequality; Again because wood plastic composite can realize automated production by injection mo(u)lding, therefore, this kind of structure makes sound box 1 have lower production cost; This just effectively can improve the cost performance of audio amplifier.In addition, the utility model sound box 1 adopts the split-type structural comprising fore shell 12 and back cover 11, and the installing hole 121 being used for installing horn single body 2 is arranged on fore shell 12, this kind of structure is conducive to the injection molding process simplifying this kind of back cover 11, reduces production cost further.
Have concurrently and consider to remove back cover vibration and back cover weight, in a specific embodiment of the present utility model, the wall thickness of this back cover 11 is greater than 3mm, is less than or equal to 10mm; Preferably, the wall thickness of this back cover 11 is greater than or equal to 5mm, is less than or equal to 10mm.
In order to improve the performance of sound box 1 further, in a specific embodiment of the present utility model, above-mentioned wood plastic composite is wood-fibred reinforced polypropylene compound material or wood-fibred enhanced polyethylene composite material.This wood-fibred reinforced polypropylene compound material and wood-fibred enhanced polyethylene composite material are such as the composite materials adopting fragrant Ou Huichuan (UPMForMi) to produce, wood-fibred reinforced polypropylene compound material wherein comprises polypropylene and mass percent is the wood-fibred of 30% ~ 50%, and wood-fibred enhanced polyethylene composite material comprises polyethylene and mass percent is the wood-fibred of 30% ~ 50%.
Above-mentioned fore shell 12 can be identical with the material of back cover 11, also can be different, and namely fore shell 12 also can by wood plastic composite injection mo(u)lding.But in order to improve the cost performance of sound box 1 further, and improve the aesthetics of sound box 1, in a specific embodiment of the present utility model, this fore shell 12 is different from the material of back cover 11.On this basis, this fore shell 12 preferably by aluminium alloy extruded shaping, but also can form anode oxide film or spray-on coating on the outer surface of fore shell 12, has abundanter color, better glossiness, better evenness to make sound box 1.
In order to improve the aesthetics of sound box 1, in a specific embodiment of the present utility model, the edge of this fore shell 12 is concordant at the joint of the two with the outer surface of back cover 11.
For the ease of carrying out being fixedly connected with between back cover 11 with fore shell 12, in a specific embodiment of the present utility model, as depicted in figs. 1 and 2, this back cover 11 is injected with the projection 113 for being connected fore shell 12 by fore shell lock screw 13, and this projection 113 is arranged in containing cavity 111, namely this projection 113 is packaged in sound box 1.
This sound box 1 realizes being fixedly connected with fore shell 12 with back cover 11 by the structure making fore shell lock screw 13 and enter in corresponding projection 113 through through hole 123 self tapping of fore shell 12, but in order to reduce assembling difficulty, in a specific embodiment of the present utility model, this projection 113 is connected with attaching nut, this attaching nut can be connected on projection 113 by injection moulding means or hot melt means, like this, this sound box 1 is just by making fore shell lock screw 13 realize being fixedly connected with fore shell 12 with back cover 11 through the through hole 123 of fore shell 12 with the structure that corresponding attaching nut coordinates.
In order to improve the bonding strength of projection 113, in a specific embodiment of the present utility model, this back cover 11 can also be injected with the reinforcement between the shell wall being connected to projection 113 and back cover 11.
For the ease of carrying out fore shell 12 and the sealing of back cover 11 in junction, this back cover 11 be provided be positioned at opening 112 edge on one circle fin, the inner surface of this fore shell 12 is then provided with the groove of corresponding fin, described fore shell 12 is fastened on back cover 11 by groove and coordinating of fin, such sound box 1 just by setting example between fin and groove in this way the encapsulant such as foam, sealing ring carry out the two sealing in junction.
The utility model is on the basis of above-mentioned sound box 1, additionally provide a kind of audio amplifier had compared with high performance-price ratio, as depicted in figs. 1 and 2, this audio amplifier comprises horn single body 2 and above-mentioned sound box 1, horn single body 2 and installing hole 121 one_to_one corresponding configure, and horn single body 1 is arranged on corresponding installing hole 112, and lock on fore shell 12 by loudspeaker lock screw 3, namely fore shell 12 is provided with screwed hole or connecting through hole on edge, the neighboring of installing hole 112, if what arrange is connecting through hole, then loudspeaker lock screw 3 needs to lock nut and realizes horn single body 2 locking on fore shell 12.
For the ease of the neighboring of carrying out horn single body 2 and installing hole 121 along between sealing, in a specific embodiment of the present utility model, between this horn single body 2 and installing hole 121, adopt cone match.
In order to improve the tonequality of audio amplifier further, in a specific embodiment of the present utility model, this audio amplifier comprises at least one loudspeaker monomer and at least one bass horn monomer.
The various embodiments described above primary focus describes the difference with other embodiments, but it will be clear for those skilled in the art that the various embodiments described above can be used alone as required or be combined with each other.
Although be described in detail specific embodiments more of the present utility model by example, it should be appreciated by those skilled in the art, above example is only to be described, instead of in order to limit scope of the present utility model.It should be appreciated by those skilled in the art, when not departing from scope and spirit of the present utility model, above embodiment can be modified.Scope of the present utility model is limited by claims.
Claims (10)
1. a sound box (1), it is characterized in that, comprise fore shell (12) and back cover (11), described back cover (11) inside has the containing cavity (111) for accommodating horn single body (2), and described back cover (11) has the opening (112) communicated with described containing cavity (111); Described fore shell (12) is provided with the installing hole (121) for installing described horn single body (2), described fore shell (12) Matching installation at described opening (112) place, and is fixedly connected with described back cover (11); Described back cover (11) is by wood plastic composite injection mo(u)lding.
2. sound box according to claim 1 (1), is characterized in that, described wood plastic composite is wood-fibred reinforced polypropylene compound material or wood-fibred enhanced polyethylene composite material.
3. sound box according to claim 1 (1), is characterized in that, the wall thickness of described back cover (11) is greater than 3mm, is less than or equal to 10mm.
4. sound box according to claim 1 (1), is characterized in that, described fore shell (12) is by aluminium alloy extruded shaping.
5. sound box according to claim 4 (1), is characterized in that, the outer surface of described fore shell (12) has anode oxide film or coating.
6. sound box according to claim 1 (1), it is characterized in that, described back cover (11) be provided be positioned at described opening (112) edge on one circle fin, the inner surface of described fore shell (12) is provided with the groove of corresponding fin, described fore shell (12) is fastened on back cover (11) with coordinating of fin by groove, and described sound box (1) also comprises the encapsulant be arranged between described fin and described groove.
7. sound box according to any one of claim 1 to 6 (1), it is characterized in that, described back cover (11) is injected with the projection (113) for being connected described fore shell (12) by fore shell lock screw (13), and described projection (113) is arranged in described containing cavity (111).
8. sound box according to claim 7 (1), it is characterized in that, (113) are connected with attaching nut to described projection, and described sound box (1) realizes being fixedly connected with described fore shell (12) with described back cover (11) through described fore shell (12) with the structure that corresponding attaching nut coordinates by making described fore shell lock screw (13).
9. an audio amplifier, it is characterized in that, comprise horn single body (2) and the sound box according to any one of claim 1 to 8 (1), described horn single body (2) and described installing hole (112) one_to_one corresponding configure, and described horn single body (2) is arranged on corresponding installing hole (112), and locked on described fore shell (12) by loudspeaker lock screw (3).
10. audio amplifier according to claim 9, is characterized in that, described audio amplifier comprises at least one loudspeaker monomer and at least one bass horn monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703875.8U CN205092941U (en) | 2015-09-11 | 2015-09-11 | Audio amplifier box and audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703875.8U CN205092941U (en) | 2015-09-11 | 2015-09-11 | Audio amplifier box and audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205092941U true CN205092941U (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520703875.8U Active CN205092941U (en) | 2015-09-11 | 2015-09-11 | Audio amplifier box and audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205092941U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415290A (en) * | 2017-08-30 | 2017-12-01 | 广州英固特音响拉杆有限公司 | A kind of wood moulding casing production technology |
| CN109788425A (en) * | 2017-11-10 | 2019-05-21 | 努利泰克株式会社 | The manufacturing method of wooden Baffle Box of Bluetooth |
-
2015
- 2015-09-11 CN CN201520703875.8U patent/CN205092941U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415290A (en) * | 2017-08-30 | 2017-12-01 | 广州英固特音响拉杆有限公司 | A kind of wood moulding casing production technology |
| CN109788425A (en) * | 2017-11-10 | 2019-05-21 | 努利泰克株式会社 | The manufacturing method of wooden Baffle Box of Bluetooth |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |