CN207926538U - It is a kind of that there is the audio power amplifier for absorbing echo function - Google Patents
It is a kind of that there is the audio power amplifier for absorbing echo function Download PDFInfo
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- CN207926538U CN207926538U CN201721780694.0U CN201721780694U CN207926538U CN 207926538 U CN207926538 U CN 207926538U CN 201721780694 U CN201721780694 U CN 201721780694U CN 207926538 U CN207926538 U CN 207926538U
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- shell
- fixedly connected
- power amplifier
- side wall
- cylindrical cavity
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Abstract
The utility model discloses a kind of audio power amplifiers for having and absorbing echo function, including shell, the upper end of the shell is equipped with loud speaker, the interior bottom of the shell is fixedly connected with driving motor, the output shaft end of the driving motor is fixedly connected with threaded rod, it is arranged with nut on the threaded rod, the nut is threadedly coupled with threaded rod, the side wall of the nut is fixedly connected there are two L-shaped bar, the sidewall slope of the shell is provided with sliding rail, the upper end of the sliding rail slidably connects link block, cylindrical cavity is equipped in the link block, the L-shaped bar is through link block and extends in cylindrical cavity, the L-shaped bar is located at one end in cylindrical cavity and runs through equipped with guide rod, the both ends of the guide rod are fixedly connected with the inner wall of cylindrical cavity.The utility model is reasonable for structure, and the echo of absorption shell surrounding that can be comprehensive makes being more clear for sound transmission.
Description
Technical field
The utility model is related to power amplifier techniques field more particularly to a kind of audio use with absorption echo function
Power amplifier.
Background technology
Audio-frequency power amplifier is widely used in each consumer electronics field, can adjust sound
Sound, existing audio-frequency power amplifier when in use, are often interfered by echo, and the propagation of normal sound is influenced, existing
Audio-frequency power amplifier suck back the function of sound not yet.
Utility model content
Purpose of the utility model is to solve disadvantage existing in the prior art, and the one kind proposed has and absorbs back
The audio power amplifier of sound function, absorption echo that can be comprehensive make being more clear for sound transmission.
To achieve the goals above, the utility model uses following technical solution：
A kind of to have the audio power amplifier for absorbing echo function, including shell, the upper end of the shell, which is equipped with, raises
The interior bottom of sound device, the shell is fixedly connected with driving motor, and the output shaft end of the driving motor is fixedly connected with spiral shell
Rasp bar is arranged with nut on the threaded rod, and the nut is threadedly coupled with threaded rod, and the side wall of the nut is fixedly connected with
The sidewall slope of two L-shaped bars, the shell is provided with sliding rail, and the upper end of the sliding rail slidably connects link block, the company
It connects and is equipped with cylindrical cavity in block, the L-shaped bar is through link block and extends in cylindrical cavity, and one end that the L-shaped bar is located in cylindrical cavity is passed through
It is equipped with guide rod, the both ends of the guide rod are fixedly connected with the inner wall of cylindrical cavity, and the guide rod is located in L-shaped bar and cylindrical cavity
The part of wall is arranged with the first spring, and the upper end of the link block is fixedly connected with multiple sound absorption apparatus, the shell
Upper end is equipped with multiple jacks corresponding with sound absorption apparatus, starts driving motor, drives threaded rod rotation, makes nut or more
Mobile, to make link block be moved up and down along sliding rail, sound absorption apparatus is inserted into jack, carries out the suction to top echo
It receives, the interior bottom of the shell is set there are two groove, and the inner wall of two grooves is fixedly connected with stock, and the stock runs through
Groove simultaneously extends to outside shell, is arranged with cylindrical cam on the part that the stock is located in groove, the sliding rail in shell
Sliding block is equipped between bottom, the side wall of the sliding block is equipped with multiple sound absorption apparatus, and the sound absorption apparatus runs through shell,
The lower end of sliding block is fixedly connected with supporting rod, and the supporting rod is slidably connected with cylindrical cam, rotates stock, makes cylindrical cam band
Dynamic supporting rod moves left and right, and so that the sound absorption apparatus positioned at both sides is moved to outside shell, carries out the suction to both sides echo
It receives.
Preferably, one end that the stock is located at outside shell is fixedly connected with handle.
Preferably, the handle is equipped with circular hole, through being equipped with inserted link in the circular hole, the side wall of the shell be equipped with
The side wall of the corresponding slot of inserted link, the circular hole is rotatably connected to support rod, is fixedly connected between the support rod and circular-hole internal-wall
There are multiple second springs, the side wall of the inserted link to be equipped with multiple sliding slots corresponding with inserted link.
Preferably, the interior bottom of the shell is equipped with protective cover, and the driving motor is located in protective cover.
Preferably, the side wall of the sliding rail is equipped with cushion pad.
Preferably, the sound absorption apparatus is equipped with multiple holes and rough surface.
In the utility model, start driving motor, drives threaded rod rotation, so that nut is moved up and down, to make link block
It is moved up and down along sliding rail, sound absorption apparatus is inserted into jack, carries out the absorption to top echo, is rotated stock, is made cylinder
Cam driven supporting rod moves left and right, and the sound absorption apparatus positioned at both sides is finally made to be moved to outside shell, returned to both sides
The absorption of sound.The utility model is reasonable for structure, and the echo of absorption shell surrounding that can be comprehensive makes the more clear of sound transmission
It is clear.
Description of the drawings
Fig. 1 be the utility model proposes it is a kind of have absorb echo function audio power amplifier structural representation
Figure；
Fig. 2 be the utility model proposes it is a kind of have absorb echo function audio power amplifier A at structure
Enlarged diagram.
In figure：1 shell, 2 link blocks, 3 loud speakers, 4 nuts, 5 L-shaped bars, 6 sound absorption apparatus, 7 sliding rails, 8 sliding blocks, 9
Driving motor, 10 supporting rods, 11 cylindrical cams, 12 stocks, 13 cushion pads, 14 first springs, 15 threaded rods, 16 guide rods, 17
Second spring, 18 support rods, 19 handles, 20 inserted links.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of to have the audio power amplifier for absorbing echo function, the upper end of shell 1, which is equipped with, raises one's voice
The interior bottom of device 3, shell 1 is fixedly connected with driving motor 9, and the output shaft end of driving motor 9 is fixedly connected with threaded rod 15,
Nut 4 is arranged on threaded rod 15, nut 4 is threadedly coupled with threaded rod 15, and the side wall of nut 4 is fixedly connected with that there are two L-shaped bars
5, the sidewall slope of shell 1 is provided with sliding rail 7, and the upper end of sliding rail 7 slidably connects link block 2, cylindrical cavity, L are equipped in link block 2
Shape bar 5 is through link block 2 and extends in cylindrical cavity, and L-shaped bar 5 is located at one end in cylindrical cavity and runs through equipped with guide rod 16, guide rod
16 both ends are fixedly connected with the inner wall of cylindrical cavity, and guide rod 16 is located at L-shaped bar 5 and the part of cylindrical cavity inner wall is arranged with the first spring
14, the upper end of link block 2 is fixedly connected with multiple sound absorption apparatus 6, and the upper end of shell 1 is equipped with multiple and sound absorption apparatus
6 corresponding jacks start driving motor 9, drive threaded rod 15 to rotate, so that nut 4 is moved up and down, to keep link block 2 suitable
It sliding rail 7 to move up and down, sound absorption apparatus 6 is inserted into jack, carries out the absorption to top echo, the interior bottom of shell 1 is set
There are two groove, the inner wall of two grooves is fixedly connected with stock 12, and 12 through-going recess of stock simultaneously extends to outside shell 1, stock
12 are located on the part in groove and are arranged with cylindrical cam 11, are equipped with sliding block 8 in sliding rail 7 and shell 1 between bottom, sliding block 8
Side wall is equipped with multiple sound absorption apparatus 6, and sound absorption apparatus 6 runs through shell 1, and the lower end of sliding block 8 is fixedly connected with supporting rod
10, supporting rod 10 is slidably connected with cylindrical cam 11, rotates stock 12, makes cylindrical cam 11 that supporting rod 10 be driven to move left and right,
It is final that the sound absorption apparatus 6 positioned at both sides is made to be moved to outside shell 1, carry out the absorption to both sides echo.
It is a kind of that there is the audio power amplifier for absorbing echo function, stock 12 to be located at outside shell 1 in the utility model
One end be fixedly connected with handle 19, handle 19 is equipped with circular hole, and through inserted link 20 is equipped in circular hole, the side wall of shell 1 is equipped with
The side wall of slot corresponding with inserted link 20, circular hole is rotatably connected to support rod 18, is fixedly connected between support rod 18 and circular-hole internal-wall
There are multiple second springs 17, the side wall of inserted link 20 to be equipped with multiple sliding slots corresponding with inserted link 20, the interior bottom of shell 1 is equipped with protection
Cover, driving motor 9 is located in protective cover, and the side wall of sliding rail 7 is equipped with cushion pad 13, sound absorption apparatus 6 equipped with multiple holes and
Rough surface.
In the utility model, start driving motor 9, drives threaded rod 15 to rotate, so that nut 4 is moved up and down, to make company
It connects block 2 to move up and down along sliding rail 7, sound absorption apparatus 6 is inserted into jack, carries out the absorption to top echo, rotates stock
12, make cylindrical cam 11 that supporting rod 10 be driven to move left and right, the sound absorption apparatus 6 positioned at both sides is finally made to be moved to shell 1
Outside, the absorption to both sides echo is carried out.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of having the audio power amplifier for absorbing echo function, including shell（1）, which is characterized in that the shell
（1）Upper end be equipped with loud speaker（3）, the shell（1）Interior bottom be fixedly connected with driving motor（9）, the driving motor
（9）Output shaft end be fixedly connected with threaded rod（15）, the threaded rod（15）On be arranged with nut（4）, the nut（4）
With threaded rod（15）It is threadedly coupled, the nut（4）Side wall be fixedly connected there are two L-shaped bar（5）, the shell（1）Side
Wall is tiltedly installed with sliding rail（7）, the sliding rail（7）Upper end slidably connect link block（2）, the link block（2）Inside it is equipped with
Cylindrical cavity, the L-shaped bar（5）Through link block（2）And it extends in cylindrical cavity, the L-shaped bar（5）One end in cylindrical cavity is run through
Equipped with guide rod（16）, the guide rod（16）Both ends be fixedly connected with the inner wall of cylindrical cavity, the guide rod（16）Positioned at L-shaped
Bar（5）It is arranged with the first spring with the part of cylindrical cavity inner wall（14）, the link block（2）Upper end be fixedly connected with multiple sound
Absorption plant（6）, the shell（1）Upper end be equipped with multiple and sound absorption apparatus（6）Corresponding jack, the shell
（1）Interior bottom set there are two groove, the inner wall of two grooves is fixedly connected with stock（12）, the stock（12）Run through
Groove simultaneously extends to shell（1）Outside, the stock（12）It is arranged with cylindrical cam on the part in groove（11）, the cunning
Rail（7）With shell（1）Sliding block is equipped between interior bottom（8）, the sliding block（8）Side wall be equipped with multiple sound absorption apparatus（6）,
The sound absorption apparatus（6）Through shell（1）, sliding block（8）Lower end be fixedly connected with supporting rod（10）, the supporting rod
（10）With cylindrical cam（11）It is slidably connected.
2. a kind of audio power amplifier with absorption echo function according to claim 1, which is characterized in that institute
State stock（12）Positioned at shell（1）Outer one end is fixedly connected with handle（19）.
3. a kind of audio power amplifier with absorption echo function according to claim 2, which is characterized in that institute
State handle（19）It is equipped with circular hole, runs through in the circular hole and is equipped with inserted link（20）, the shell（1）Side wall be equipped with and inserted link
（20）The side wall of corresponding slot, the circular hole is rotatably connected to support rod（18）, the support rod（18）Between circular-hole internal-wall
It is fixedly connected with multiple second springs（17）, the inserted link（20）Side wall be equipped with multiple and inserted link（20）Corresponding sliding slot.
4. a kind of audio power amplifier with absorption echo function according to claim 1, which is characterized in that institute
State shell（1）Interior bottom be equipped with protective cover, the driving motor（9）In protective cover.
5. a kind of audio power amplifier with absorption echo function according to claim 1, which is characterized in that institute
State sliding rail（7）Side wall be equipped with cushion pad（13）.
6. a kind of audio power amplifier with absorption echo function according to claim 1, which is characterized in that institute
State sound absorption apparatus（6）It is equipped with multiple holes and rough surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780694.0U CN207926538U (en) | 2017-12-19 | 2017-12-19 | It is a kind of that there is the audio power amplifier for absorbing echo function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780694.0U CN207926538U (en) | 2017-12-19 | 2017-12-19 | It is a kind of that there is the audio power amplifier for absorbing echo function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926538U true CN207926538U (en) | 2018-09-28 |
Family
ID=63606710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721780694.0U Active CN207926538U (en) | 2017-12-19 | 2017-12-19 | It is a kind of that there is the audio power amplifier for absorbing echo function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207926538U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912518A (en) * | 2019-11-18 | 2020-03-24 | 深圳市凯合达智能设备有限公司 | Anti-collision broadband power amplifier for mobile communication |
| CN113825066A (en) * | 2021-11-23 | 2021-12-21 | 深圳市天泽扬声器有限公司 | Loudspeaker with variable orientation and method of use |
-
2017
- 2017-12-19 CN CN201721780694.0U patent/CN207926538U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912518A (en) * | 2019-11-18 | 2020-03-24 | 深圳市凯合达智能设备有限公司 | Anti-collision broadband power amplifier for mobile communication |
| CN113825066A (en) * | 2021-11-23 | 2021-12-21 | 深圳市天泽扬声器有限公司 | Loudspeaker with variable orientation and method of use |
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