CN205596295U - Audio amplifier guide duct subassembly and audio amplifier - Google Patents
Audio amplifier guide duct subassembly and audio amplifier Download PDFInfo
- Publication number
- CN205596295U CN205596295U CN201620281687.5U CN201620281687U CN205596295U CN 205596295 U CN205596295 U CN 205596295U CN 201620281687 U CN201620281687 U CN 201620281687U CN 205596295 U CN205596295 U CN 205596295U
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- Prior art keywords
- guide duct
- audio amplifier
- base
- described base
- slot
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Abstract
The utility model discloses an audio amplifier guide duct subassembly and audio amplifier, wherein, this audio amplifier guide duct subassembly is including forming the base on speaker shell body to and the guide duct that sets up in speaker shell body and is connected with the base, guide duct adoption polystyrene expanded polystyrene (EPS) material makes. The utility model discloses technical scheme adopts the guide duct of polystyrene expanded polystyrene (EPS) material, and when the bass pressure boost, it is cleaner to enable the bass, has expanded the low -frequency response simultaneously. The guide duct of more traditional plastic material, the utility model discloses an audio amplifier guide duct subassembly has advantages such as quality with low costs, workable, whole is light, improvement product competitiveness in the production that reduces the product and development cost. In addition, the bad problem of tremolo can also be solved simultaneously to the guide duct of polystyrene expanded polystyrene (EPS).
Description
Technical field
This utility model relates to audio amplifier field, particularly to a kind of audio amplifier guide duct assembly and audio amplifier.
Background technology
Guide duct, also known as phase-reversing tube, is the important component part of audio amplifier, and its effect is by speaker rear
The sound wave produced, from the internal extraction of audio amplifier, makes sound wave strengthen, and supper bass is strengthened, after guide duct is installed,
Owing to the diameter of guide duct is less than speaker diameter, go out so just having stronger sound wave from guide duct,
So, speaker is forwards obtained for utilization with rearward sound wave, makes audio amplifier tonequality improve.
Existing guide duct generally uses plastic cement guide duct and the mode of paper tube combination.Along with raw material and people
The rise of the rising of power cost, especially plastic material makes the manufacturing cost of whole product the most constantly rise.
While ensureing audio amplifier sound effect, how can meet again the requirement of cost control, become this area and urgently solve
Problem certainly.
Utility model content
Main purpose of the present utility model is to provide a kind of audio amplifier guide duct assembly, it is intended to reduce audio amplifier wind-guiding
The production cost of pipe assembly.
For achieving the above object, a kind of audio amplifier guide duct assembly that the utility model proposes, including being formed at
Base on voice box casing and the guide duct in being arranged on described voice box casing and being connected with described base,
Described guide duct is foamed polystyrene glue guide duct.
Preferably, described guide duct is arranged in a tubular form, and described guide duct is offered towards the end face of described base
There are multiple slot, position corresponding with described slot on described base to be provided with and coordinate many with described slot
Individual inserted sheet, described inserted sheet and described slot interference fit and make described guide duct and described base is fixing is connected.
Preferably, each described slot is radially opened in the described guide duct end face towards described base,
And the described through described guide duct of slot is towards the end face of described base and lateral surface.
Preferably, multiple described slots are opened in described guide duct the most uniformly towards described base
End face.
Preferably, described base is horn-like, and the flared end of described base is connected with described voice box casing,
The necking end of described base is connected with described guide duct.
Preferably, described guide duct is torus, and described audio amplifier guide duct assembly also includes being arranged on described
Paper tube between base and guide duct, the two ends of described paper tube are fixing with described base and guide duct respectively to be connected
Connect.
Preferably, described base is horn-like, and the flared end of described base is connected with described voice box casing,
The two ends of described paper tube are fixing with the necking end of described base and described guide duct respectively to be connected.
This utility model also proposes a kind of audio amplifier, and described audio amplifier includes audio amplifier guide duct assembly, and this audio amplifier is led
In wind pipe component includes the base being formed on voice box casing and is arranged on described voice box casing and with described
The guide duct that base connects, described guide duct is foamed polystyrene glue guide duct.
Technical solutions of the utility model use the guide duct of foamed polystyrene glue material, when bass supercharging,
Bass can be made cleaner, extend LF-response simultaneously.The guide duct of more traditional plastic material, this reality
With novel audio amplifier guide duct assembly, there is the advantages such as low cost, easily processing, total quality are light, reducing
Product competitiveness is improved while the production of product and development cost.It addition, the leading of foamed polystyrene glue
Airduct can also solve the problem that tremolo is bad simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain according to the structure shown in these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of this utility model audio amplifier guide duct assembly one embodiment；
Fig. 2 is the structural representation of guide duct in this utility model audio amplifier guide duct assembly one embodiment；
Fig. 3 is the structural representation of base in this utility model audio amplifier guide duct assembly one embodiment；
Fig. 4 is the structural representation of this utility model audio amplifier guide duct another embodiment of assembly.
Drawing reference numeral illustrates:
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings into
One step explanation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only of the present utility model one
Section Example rather than whole embodiments.Based on the embodiment in this utility model, this area is general
The every other embodiment that logical technical staff is obtained under not making creative work premise, broadly falls into
The scope of this utility model protection.
It is to be appreciated that directional instruction in this utility model embodiment (such as upper and lower, left and right,
It is forward and backward ...) it is only used for explanation phase under a certain particular pose (as shown in drawings) between each parts
To position relationship, motion conditions etc., if this particular pose changes, then directionality indicates also
Change the most therewith.
If it addition, relate to the description of " first ", " second " etc. in this utility model, then it is only used
In describing purpose, and it is not intended that instruction or imply its relative importance or implicit indicate indicated
The quantity of technical characteristic.Thus, define " first ", the feature of " second " can be expressed or hidden
At least one this feature is included containing ground.It addition, the technical scheme between each embodiment can be combined with each other,
But must be based on those of ordinary skill in the art are capable of, when the combination of technical scheme occurs
Conflicting will be understood that the combination of this technical scheme does not exists, the most not in this practicality when maybe cannot realize
Within the protection domain of novel requirement.
The utility model proposes a kind of audio amplifier guide duct assembly, be arranged in voice box casing.As it is shown in figure 1,
This audio amplifier guide duct assembly includes guide duct 100 and base 200, and this base 200 can be directly at voice box casing
Upper formation, it is possible to be that single parts are arranged on voice box casing.This guide duct 100 is with base 200 even
Connect, the connection of guide duct 100 and base 200 can be directly connected to can also by between the 3rd parts in succession
Connecing, after installation, guide duct 100 together form the inside and outside passage connected of voice box casing with base 200,
Derive in voice box casing for the sound wave produced by the speaker rear portion of audio amplifier.This guide duct 100 is preferably adopted
Prepare with foamed polystyrene glue material.
Technical solutions of the utility model use the guide duct 100 that foamed polystyrene glue material prepares, at bass
During supercharging, bass can be made cleaner, extend LF-response simultaneously.The guide duct of more traditional plastic material,
Audio amplifier guide duct assembly of the present utility model has the advantages such as low cost, easily processing, total quality are light,
Product competitiveness is improved while the production of reduction product and development cost.It addition, foamed polystyrene glue
Guide duct 100 simultaneously can also solve the problem that tremolo is bad.
In this utility model one embodiment, as shown in Figures 2 and 3, this guide duct 100 is arranged in a tubular form,
Guide duct 100 offers multiple slot 130 towards the end face 110 of base 200.This base 200 and slot 130
Corresponding position is provided with multiple inserted sheet 210, and each inserted sheet 210 is correspondingly arranged with a slot 130.Work as inserted sheet
210 insert after slots 130, inserted sheet 210 with slot 130 interference fit so that guide duct 100 and base 200
Fixing connection.
The guide duct 100 of the present embodiment uses inserted sheet 210 to coordinate the mode of grafting with slot 130 with base 200
Fixing connect so that guide duct 100 and base 200 easy accessibility, stable connection, operation are simple.
Based on above-described embodiment, as in figure 2 it is shown, this each slot 130 all can be along the footpath of guide duct 100
To being opened in the end face 110 of guide duct 100, this end face 110 is arranged towards base 200, i.e. slot 130
Direction and guide duct 100 radially consistent, and this slot 130 through slot 130 place guide duct
The end face 110 of 100 and lateral surface 120.So, it is ensured that the medial surface of guide duct 100 is smooth, favorably
In the derivation of sound wave, effectively reduce the probability reflected.
Based on above-described embodiment, as in figure 2 it is shown, above-mentioned multiple slots 130 can be along the circumference of guide duct 100
It is evenly distributed in the end face 110 of guide duct 100.Equally distributed slot 130 can ensure that guide duct 100
Uniform force when being connected with base 200, further ensures the stability that guide duct 100 is connected with base 200,
After preventing life-time service, guide duct 100 comes off from base 200.
Based on above-described embodiment, as it is shown on figure 3, this base 200 is in horn-like, its have a flared end and
One necking end, this flared end is outside towards voice box casing and is connected with voice box casing；This necking end is towards sound
Tank shell is internal and is connected with guide duct 100.Base 200 in horn-like setting is more beneficial for the expansion of sound wave
Dissipate, make audio amplifier tonequality improve.
In another embodiment of this utility model, as shown in Figure 4, this guide duct 100 is torus；The end of at
Be additionally provided with the paper tube 300 of a tubular between seat 200 and guide duct 100, the two ends of paper tube 300 respectively with the end
Seat 200 and the fixing connection of guide duct 100, so that guide duct 100 is indirectly connected with base 200.Paper tube 300 with
Base 200 and guide duct 100 connect can use the modes such as bonding.
Based on above-described embodiment, as shown in Figure 4, this base 200 is in horn-like setting, and it has an enlarging
End and a necking end, this flared end is outside towards voice box casing and is connected with voice box casing；This necking end court
Inside voice box casing, the two ends of paper tube 300 are fixing even with the necking end of base 200 and guide duct 100 respectively
Connect.Base 200 in horn-like setting is more beneficial for the diffusion of sound wave, makes audio amplifier tonequality improve.
This utility model is it is further proposed that a kind of audio amplifier, and this audio amplifier includes audio amplifier guide duct assembly, this audio amplifier
The concrete structure of guide duct assembly is with reference to above-described embodiment, owing to this audio amplifier have employed above-mentioned all embodiments
Whole technical schemes, the most at least there is all useful effect that the technical scheme of above-described embodiment is brought
Really, this is no longer going to repeat them.
The foregoing is only preferred embodiment of the present utility model, not thereby limit of the present utility model specially
Profit scope, every under inventive concept of the present utility model, in utilizing this utility model description and accompanying drawing
The equivalent structure transformation of Rong Suozuo, or directly/be indirectly used in other relevant technical fields and be included in this
In the scope of patent protection of utility model.
Claims (8)
1. an audio amplifier guide duct assembly, it is characterised in that include the base that is formed on voice box casing with
And the guide duct in being arranged on described voice box casing and being connected with described base, described guide duct is polyphenyl second
Alkene foamed glue guide duct.
2. audio amplifier guide duct assembly as claimed in claim 1, it is characterised in that described guide duct is pipe
Shape, described guide duct offers multiple slot towards the end face of described base, and described base is inserted with described
The position that groove is corresponding is provided with the multiple inserted sheets coordinated with described slot, described inserted sheet and described slot interference
Coordinate and make described guide duct and described base fix and be connected.
3. audio amplifier guide duct assembly as claimed in claim 2, it is characterised in that each described slot edge
Radially it is opened in the described guide duct end face towards described base, and the through described guide duct court of described slot
To end face and the lateral surface of described base.
4. audio amplifier guide duct assembly as claimed in claim 3, it is characterised in that multiple described slot edges
Circumferentially uniform it is opened in the described guide duct end face towards described base.
5. the audio amplifier guide duct assembly as described in any one in Claims 1-4, it is characterised in that
Described base is horn-like, and the flared end of described base is connected with described voice box casing, the contracting of described base
Mouth end is connected with described guide duct.
6. audio amplifier guide duct assembly as claimed in claim 1, it is characterised in that described guide duct is circle
Ring body, described audio amplifier guide duct assembly also includes the paper tube being arranged between described base and guide duct, institute
State that the two ends of paper tube are fixing with described base and guide duct respectively to be connected.
7. audio amplifier guide duct assembly as claimed in claim 6, it is characterised in that described base is loudspeaker
Shape, the flared end of described base is connected with described voice box casing, the two ends of described paper tube respectively with the described end
The necking end of seat and the fixing connection of described guide duct.
8. an audio amplifier, it is characterised in that include sound as claimed in any of claims 1 to 7 in one of claims
Case guide duct assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620281687.5U CN205596295U (en) | 2016-04-05 | 2016-04-05 | Audio amplifier guide duct subassembly and audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620281687.5U CN205596295U (en) | 2016-04-05 | 2016-04-05 | Audio amplifier guide duct subassembly and audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205596295U true CN205596295U (en) | 2016-09-21 |
Family
ID=56922689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620281687.5U Expired - Fee Related CN205596295U (en) | 2016-04-05 | 2016-04-05 | Audio amplifier guide duct subassembly and audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205596295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913292A (en) * | 2018-09-14 | 2020-03-24 | 成都启英泰伦科技有限公司 | A sound insulation cover and microphone structure for microphone is fallen and is made an uproar |
-
2016
- 2016-04-05 CN CN201620281687.5U patent/CN205596295U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913292A (en) * | 2018-09-14 | 2020-03-24 | 成都启英泰伦科技有限公司 | A sound insulation cover and microphone structure for microphone is fallen and is made an uproar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20210405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |