CN210725194U - Conveniently assembled power amplifier board - Google Patents
Conveniently assembled power amplifier board Download PDFInfo
- Publication number
- CN210725194U CN210725194U CN201921890729.5U CN201921890729U CN210725194U CN 210725194 U CN210725194 U CN 210725194U CN 201921890729 U CN201921890729 U CN 201921890729U CN 210725194 U CN210725194 U CN 210725194U
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- power amplifier
- amplifier board
- mounting
- pin
- screw
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- Expired - Fee Related
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Abstract
The utility model discloses a conveniently assembled power amplifier board, belonging to a power amplifier board used in a sound box, which comprises a power amplifier board main body, wherein mounting holes are arranged at the corners around the power amplifier board main body; the power amplifier board main body is matched with the assembly component through the mounting hole and is arranged on the inner wall of the sound box; the assembly component comprises a fixing piece, a pin and a screw, one end of the screw is located on the surface of the power amplification plate main body, and the other end of the screw extends into the pin. The power amplifier board is good in installation stability, convenient to operate, convenient to assemble and high in practicability.
Description
Technical Field
The utility model belongs to a power amplifier board that uses in the audio amplifier, specifically speaking relates to a power amplifier board of convenient equipment.
Background
The power amplifier board is an electronic control power amplifier board which is used for being installed in sound equipment and is commonly used in the sound equipment; the power amplifier board is a core component of components in the sound box, and mainly has the main function of controlling the work of each component in the sound box;
along with the continuous progress of the technology of China, the research and development technology of the power amplification board is improved well to a certain extent, the power amplification board can be convenient to operate, but the existing power amplification board still has certain defects:
because the power amplifier board is installed inside the audio amplifier, the power amplifier board adopts the fixed screw's mode and fixes between the stereo set casing, and the screw takes place to become flexible after the stereo set uses for a long time, leads to the power amplifier board to take place not hard up in the stereo set to influence the use of power amplifier board and stereo set, the use of giving people has brought certain influence, for this reason, we provide a power amplifier board of convenient equipment.
SUMMERY OF THE UTILITY MODEL
1. Problems to be solved
To the easy not hard up problem of current power amplifier board, the utility model provides a power amplifier board of convenient equipment, the equipment is accomplished the back power amplifier board stability in the stereo set better to the problem that exists among the background can be solved effectively.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A conveniently assembled power amplifier board comprises a power amplifier board main body, wherein mounting holes are formed in the corners of the periphery of the power amplifier board main body; the power amplifier board main body is matched with the assembly component through the mounting hole and is arranged on the inner wall of the sound box; the assembly component comprises a fixing piece, a pin and a screw, one end of the screw is located on the surface of the power amplification plate main body, and the other end of the screw extends into the pin.
Preferably, the fixing piece is fixedly installed on the lower surface of the power amplification plate main body and is coaxial with the installation hole; the middle of the fixing piece is provided with a connecting hole which is coaxial with the mounting hole and has the same inner diameter; and an open slot coaxial with the connecting hole is formed in the lower surface of the fixing piece and positioned outside the connecting hole.
Preferably, one end of the pin is fixed on the inner wall of the sound box, the pin is of a cylindrical structure with one open end, and an inner sliding barrel matched and connected with the open slot is arranged in the pin in a sliding mode.
Preferably, the tail end of the screw is annularly distributed with mounting blocks, the mounting blocks are connected with the screw through a telescopic mechanism, and the telescopic mechanism enables the mounting blocks to move along the direction perpendicular to the axis of the screw.
Preferably, the first and second electrodes are formed of a metal,
the fixing piece is fixedly arranged on the lower surface of the power amplification plate main body and is coaxial with the mounting hole; the middle of the fixing piece is provided with a connecting hole which is coaxial with the mounting hole and has the same inner diameter; an open slot coaxial with the connecting hole is formed in the lower surface of the fixing piece and positioned outside the connecting hole;
one end of the pin is fixed on the inner wall of the sound box, the pin is of a cylindrical structure with one open end, and an inner sliding cylinder matched and connected with the open slot is arranged in the pin in a sliding mode;
and an open slot coaxial with the connecting hole is formed in the lower surface of the fixing piece and positioned outside the connecting hole.
Preferably, power amplifier board main part surface movable mounting have left sound channel output and right sound channel output, and the upper end surface of power amplifier board main part is located central point and puts fixed mounting and have electric capacity, power amplifier board main part surface mounting have control chip, and the surface movable mounting of power amplifier board main part has current input end, the surface mounting of power amplifier board main part have audio input seat, install audio input port on the audio input seat, and power amplifier board main part performance is provided with volume adjuster, the last volume knob that is provided with of volume adjuster, and volume knob is located the surface of audio amplifier shell body.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the power amplifier board in the utility model is fixedly arranged on the inner wall of the sound box through the assembly component, thereby greatly improving the stability of the power amplifier board, avoiding the condition that the power amplifier board is loosened with the inner wall of the sound box after being used for a long time, and prolonging the service life of the sound box with the service life of the power amplifier board;
(2) the utility model provides a power amplifier board, the assembly subassembly includes the mounting, pin and screw, screw one end is located power amplifier board main part surface, the other end extends to get into in the pin, the screw end installs the installation piece through telescopic machanism, be provided with the open slot on the mounting, after the power amplifier board installation was accomplished, interior slip in the pin is because the installation piece rebound, thereby in interior slip-off pin gets into the open slot of mounting, the power amplifier board main part is installed on the stereo set inner wall through the screw-thread fit of screw on the one hand, on the other hand inserts the assembly effect of the open slot of mounting through interior slide, the stability of power amplifier board main part installation has been improved
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the bottom of the present invention;
FIG. 3 is a schematic structural view of the assembly of the present invention;
fig. 4 shows the structure of the assembly of the present invention.
In the figure:
10. a power amplifier board main body; 11. a left channel output end; 12. a capacitor; 13. a control chip; 14. a current input terminal; 15. a right channel output end; 16. an audio input seat; 17. an audio input port; 18. a volume adjuster; 19. a volume adjusting knob;
20. mounting holes;
30. a fixing member; 31. an open slot; 32. connecting holes;
40. a pin; 41. an inner slide cylinder;
50. a screw; 51. mounting blocks; 52. a telescoping mechanism.
Detailed Description
The invention will be further described below in connection with specific embodiments.
Example 1
Fig. 1 is a schematic structural diagram of a power amplifier board according to a preferred embodiment of the present invention, which is convenient to assemble; the power amplifier comprises a power amplifier board main body 10, wherein a left sound channel output end 11 and a right sound channel output end 15 are movably mounted on the surface of the power amplifier board main body 10, a capacitor 12 is fixedly mounted at the central position of the upper end surface of the power amplifier board main body 10, a control chip 13 is mounted on the surface of the power amplifier board main body 10, a current input end 14 is movably mounted on the surface of the power amplifier board main body 10, an audio input seat 16 is mounted on the surface of the power amplifier board main body 10, an audio input port 17 is mounted on the audio input seat 16, a volume adjuster 18 is arranged on the power amplifier board main body 10, a volume adjusting knob 19 is arranged on the volume adjuster 18, and the volume adjusting knob 19 is located on the surface of a sound box outer shell;
the assembly component comprises a fixing piece 30, a pin 40 and a screw 50; the fixing member 30 is fixedly installed on the lower surface of the power amplification plate main body 10 and is coaxial with the installation hole 20; a connecting hole 32 is formed in the middle of the fixing piece 30, and the connecting hole 32 is coaxial with the mounting hole 20 and has the same inner diameter; an open slot 31 coaxial with the connecting hole 32 is arranged on the lower surface of the fixing piece 30 and positioned outside the connecting hole 32;
one end of the pin 40 is fixed on the inner wall of the sound box, the pin 40 is of a cylindrical structure with one open end, and an inner sliding cylinder 41 which is matched and connected with the open slot 31 is arranged in the pin 40 in a sliding mode;
the tail end of the screw 50 is annularly provided with the mounting block 51, the mounting block 51 is connected with the screw through the telescopic mechanism 52, the telescopic mechanism 52 can enable the mounting block 51 to move along the direction vertical to the axis of the screw 50, and when the mounting block 51 is attached to the side wall of the screw 50, the maximum distance from the axis of the screw 50 to the side edge of the mounting block 51 is equal to the inner diameter of the mounting hole 20;
in the utility model, when the power amplifier main body 10 is required to be installed on the inner wall of the sound box, the installation block 51 is compressed until the installation block is attached to the side wall of the screw 50, the screw is inserted into the installation hole 20, the screw is screwed into the installation hole 20, the screw passes through the fixing member 30 and enters the pin 40, the screw 50 is screwed in and moves downwards to drive the installation block 51 to move downwards, when the installation block 51 moves below the inner sliding cylinder 41, the installation block 51 is pressed against the inner wall of the pin 40 due to the effect of the telescopic mechanism 52, at the moment, the screw 50 is rotated reversely, the installation block 51 moves upwards, the installation block 51 drives the inner sliding cylinder 41 to move upwards until the top of the inner sliding cylinder 41 is inserted into the open slot 31 of the fixing member 30; the mounting steps are simple, the operation is convenient, on one hand, the power amplifier board main body 10 is mounted on the inner wall of the sound box through the thread matching of the screw 50, on the other hand, the stability of the power amplifier board main body 10 is improved through the assembling effect that the inner sliding cylinder 41 is inserted into the open slot 31 of the fixing part 30.
The utility model discloses in, telescopic machanism 52 constitutes for telescopic link and spring, the telescopic link both ends respectively with 50 lateral walls of screw and installation piece 51 connect, the spring housing establish on the telescopic link surface and the spring both ends respectively with 50 lateral walls of screw and installation piece 51 connect.
The above description is for further details of the present invention, and it is not assumed that the embodiments of the present invention are limited to these descriptions, and it is obvious to those skilled in the art that the present invention can be implemented by a plurality of simple deductions or replacements without departing from the concept of the present invention, and all should be considered as belonging to the protection scope defined by the claims submitted by the present invention.
Claims (6)
1. A conveniently assembled power amplifier board comprises a power amplifier board main body (10), wherein mounting holes (20) are formed in the corners around the power amplifier board main body (10); the power amplifier board main body (10) is matched with the assembly component through the mounting hole (20) and is arranged on the inner wall of the sound box; the method is characterized in that:
the assembling assembly comprises a fixing piece (30), a pin (40) and a screw (50), wherein one end of the screw is located on the surface of the power amplification plate main body (10), and the other end of the screw extends into the pin (40).
2. The conveniently assembled power amplifier board of claim 1, wherein: the fixing piece (30) is fixedly arranged on the lower surface of the power amplification plate main body (10) and is coaxial with the mounting hole (20); a connecting hole (32) is formed in the middle of the fixing piece (30), and the connecting hole (32) is coaxial with the mounting hole (20) and has the same inner diameter; the lower surface of the fixing piece (30) is provided with an opening groove (31) which is coaxial with the connecting hole (32) and is positioned on the outer side of the connecting hole (32).
3. The conveniently assembled power amplifier board of claim 1, wherein: one end of the pin (40) is fixed on the inner wall of the sound box, the pin (40) is of a cylindrical structure with one open end, and an inner sliding barrel (41) which is matched and connected with the open slot (31) is arranged in the pin (40) in a sliding mode.
4. The conveniently assembled power amplifier board of claim 1, wherein: the tail end of the screw (50) is annularly provided with mounting blocks (51), the mounting blocks (51) are connected with the screw through a telescopic mechanism (52), and the telescopic mechanism (52) enables the mounting blocks (51) to move along the direction vertical to the axis of the screw (50).
5. The conveniently assembled power amplifier board of claim 1, wherein:
the fixing piece (30) is fixedly arranged on the lower surface of the power amplification plate main body (10) and is coaxial with the mounting hole (20); a connecting hole (32) is formed in the middle of the fixing piece (30), and the connecting hole (32) is coaxial with the mounting hole (20) and has the same inner diameter; an open slot (31) coaxial with the connecting hole (32) is formed in the lower surface of the fixing piece (30) and positioned on the outer side of the connecting hole (32);
one end of the pin (40) is fixed on the inner wall of the sound box, the pin (40) is of a cylindrical structure with one open end, and an inner sliding barrel (41) which is matched and connected with the open slot (31) is arranged in the pin (40) in a sliding mode.
6. The conveniently assembled power amplifier board of any one of claims 1-5, wherein: power amplifier board main part (10) surface movable mounting have left channel output (11) and right channel output (15), and the upper end surface of power amplifier board main part (10) is located central point and puts fixed mounting and have electric capacity (12), power amplifier board main part (10) surface mounting have control chip (13), and the surface movable mounting of power amplifier board main part (10) has current input end (14), the surface mounting of power amplifier board main part (10) have audio frequency input seat (16), install audio frequency input port (17) on audio frequency input seat (16), and power amplifier board main part (10) performance is provided with volume adjuster (18), be provided with volume knob (19) on volume adjuster (18), and volume knob (19) are located the surface of audio amplifier shell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921890729.5U CN210725194U (en) | 2019-11-05 | 2019-11-05 | Conveniently assembled power amplifier board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921890729.5U CN210725194U (en) | 2019-11-05 | 2019-11-05 | Conveniently assembled power amplifier board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210725194U true CN210725194U (en) | 2020-06-09 |
Family
ID=70930552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921890729.5U Expired - Fee Related CN210725194U (en) | 2019-11-05 | 2019-11-05 | Conveniently assembled power amplifier board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210725194U (en) |
-
2019
- 2019-11-05 CN CN201921890729.5U patent/CN210725194U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20200609 Termination date: 20211105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |