CN215935310U - Audio frequency preposition power amplifier - Google Patents
Audio frequency preposition power amplifier Download PDFInfo
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- CN215935310U CN215935310U CN202122599834.7U CN202122599834U CN215935310U CN 215935310 U CN215935310 U CN 215935310U CN 202122599834 U CN202122599834 U CN 202122599834U CN 215935310 U CN215935310 U CN 215935310U
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- thick bamboo
- quick detach
- detach formula
- extension section
- formula filter
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Abstract
The utility model discloses an audio preposed power amplifier, and relates to the technical field of power amplifiers. Including device main part, extension section of thick bamboo and quick detach formula filter, one side of device main part is provided with an extension section of thick bamboo, the inside of an extension section of thick bamboo is provided with the fan, the device main part is kept away from one side of an extension section of thick bamboo and is seted up the exhaust hole relative with an extension section of thick bamboo, the top and the bottom of an extension section of thick bamboo all are provided with the buckle spring leaf, the inside of an extension section of thick bamboo is provided with quick detach formula filter, the surperficial salient to the inside of quick detach formula filter of buckle spring leaf, the filter screen is installed through filtering the frame in the inside of quick detach formula filter. Through setting up device main part, extension section of thick bamboo and quick detach formula filter, compare in conventional amplifier, when the device started the fan, the air can drive the filter screen and rotate for dust on the filter screen drops, has reduced the clearance frequency in later stage, has guaranteed the radiating efficiency.
Description
Technical Field
The utility model relates to the technical field of power amplifiers, in particular to an audio preposed power amplifier.
Background
The preamplifier functions have two: firstly, selecting a required sound source signal and amplifying to a rated level; secondly, various tone quality control is performed to beautify the sound.
At present, the high hot phenomenon can appear when using preamplifier, generally all can set up the fan and dispel the heat, and during the heat dissipation, the dust jam in the air needs the frequent clearance of staff on the filter screen to guarantee the radiating efficiency, but frequently clear up the filter screen can cause the amplifier to shut down and occupy staff's plenty of time undoubtedly, has brought serious puzzlement for the staff.
SUMMERY OF THE UTILITY MODEL
The utility model provides an audio prepositive power amplifier to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: an audio preposed power amplifier comprises a device main body, an extension cylinder and a quick-release type filter plate, wherein one side of the device main body is provided with the extension cylinder, a fan is arranged inside the extension cylinder, and one side of the device main body, which is far away from the extension cylinder, is provided with an exhaust hole opposite to the extension cylinder;
the top and the bottom of extension section of thick bamboo all are provided with the buckle spring leaf, the inside of extension section of thick bamboo is provided with quick detach formula filter, the surperficial outstanding inside to quick detach formula filter of buckle spring leaf, the filter screen is installed through filtering the frame in the inside of quick detach formula filter, the both sides of quick detach formula filter inner wall all are provided with spacing ball through the bracing piece, the both ends of filtering frame one side all are provided with the stopper, the outside of spacing ball cup joints with the inside activity of stopper.
Furthermore, the top and the bottom of the quick-release type filter plate are both provided with positioning grooves, and the surfaces of the buckle spring pieces protrude into the positioning grooves.
Furthermore, one side of the inner wall of the device main body is provided with an even fan cover, the inside of the even fan cover is provided with vent holes, and the even fan cover is positioned on one side of the fan.
Further, mounting holes are formed in the top and the bottom of the extension cylinder, the buckle spring piece is arranged inside the mounting holes, and a sliding plate is arranged at one end, far away from the mounting holes, of the buckle spring piece.
Furthermore, the inside of quick detach formula filter is provided with the sealing washer, the outside of filtering the frame and the inside fixed connection of sealing washer.
Furthermore, all be provided with sealed the pad around the extension section of thick bamboo inner wall, sealed one side of filling up is laminated with the outside of quick detach formula filter mutually.
Furthermore, the both sides of extension section of thick bamboo inner wall all are provided with the clamp plate, one side of clamp plate is provided with the leaf spring that resets that offsets with quick detach formula filter.
Compared with the prior art, the utility model provides an audio preposed power amplifier, which has the following beneficial effects:
1. this leading power amplifier of audio frequency, through setting up device main part, extension section of thick bamboo and quick detach formula filter, compare in conventional amplifier, when the device started the fan, the air can drive the filter screen and rotate for dust on the filter screen drops, has reduced the clearance frequency in later stage, has guaranteed the radiating efficiency.
2. This leading power amplifier of audio frequency, through setting up device main part, extension section of thick bamboo and quick detach formula filter, the spring leaf that resets is pressed from both sides in the cooperation of clamp plate, when buckle spring leaf breaks away from the inside of constant head tank, resets the spring leaf and kick-backs conflict quick detach formula filter for quick detach formula filter is automatic to break away from the inside of an extension section of thick bamboo, has made things convenient for user operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of an elongated canister structure of the present invention;
fig. 3 is a sectional view of the mounting hole structure of the present invention.
In the figure: 1. a device main body; 11. a wind homogenizing cover; 12. a vent hole; 2. an extension cylinder; 21. a fan; 22. pressing a plate; 23. resetting the spring piece; 24. a gasket; 25. mounting holes; 26. a buckle spring piece; 27. a slide plate; 3. a quick-release type filter plate; 31. a filter frame; 32. a filter screen; 33. a seal ring; 34. a support bar; 35. a limiting ball; 36. a limiting block; 37. and (6) positioning a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the utility model discloses an audio preposed power amplifier, which comprises a device main body 1, an extension cylinder 2 and a quick-release type filter plate 3, wherein one side of the device main body 1 is provided with the extension cylinder 2, a fan 21 is arranged inside the extension cylinder 2, and one side of the device main body 1, which is far away from the extension cylinder 2, is provided with an exhaust hole opposite to the extension cylinder 2.
The top and the bottom of extension section of thick bamboo 2 all are provided with buckle spring leaf 26, the inside of extension section of thick bamboo 2 is provided with quick detach formula filter 3, buckle spring leaf 26's surperficial salient to quick detach formula filter 3's inside, quick detach formula filter 3's inside is installed filter screen 32 through filtering frame 31, the both sides of quick detach formula filter 3 inner wall all are provided with spacing ball 35 through bracing piece 34, the both ends of filtering frame 31 one side all are provided with stopper 36, the outside of spacing ball 35 cup joints with stopper 36's inside activity.
Specifically, the positioning grooves 37 are formed at the top and the bottom of the quick-release filter plate 3, the surface of the snap spring 26 protrudes into the positioning grooves 37, referring to fig. 3, the snap spring 26 is snapped into the positioning grooves 37, so that the quick-release filter plate 3 cannot be separated from the interior of the extension tube 2, and the positioning grooves 37 are abutted in the transverse direction of the snap spring 26, so that the snap spring 26 is not deformed, and the stability of the quick-release filter plate 3 is ensured.
Specifically, one side of 1 inner wall of device main part is provided with even fan housing 11, ventilation hole 12 has been seted up to the inside of even fan housing 11, even fan housing 11 is located one side of fan 21, starts fan 21 and extracts the inside of outside air admission even fan housing 11 through an extension section of thick bamboo 2 and filter screen 32, and the inside of device main part 1 is arranged into through ventilation hole 12, and even wind hole is joined in marriage to even fan housing 11 for air diffusion's is more even, has avoided the air directly to blow to the components and parts in the device main part 1 vigorously simultaneously, has reduced the damage of components and parts.
Specifically, mounting hole 25 has all been seted up to the top and the bottom of an extension section of thick bamboo 2, buckle spring leaf 26 sets up in the inside of mounting hole 25, the one end that buckle spring leaf 26 kept away from mounting hole 25 is provided with slide 27, refer to fig. 3, and slide 27 is provided with T shape slider towards one side of mounting hole 25, the spout that inside and T shape slider surface cup jointed mutually is all seted up to the both sides of mounting hole 25 inner wall, has guaranteed the stability when slide 27 slides for slide 27 laminates extension section of thick bamboo 2 all the time.
Specifically, the inside of quick detach formula filter 3 is provided with sealing washer 33, the outside of filter frame 31 and the inside fixed connection of sealing washer 33, the setting of sealing washer 33 has guaranteed the leakproofness between quick detach formula filter 3 and the extension section of thick bamboo 2, has avoided fan 21 to extract the inside of unfiltered air admission device main part 1.
Specifically, all be provided with sealed the pad 24 around the 2 inner walls of extension section of thick bamboo, sealed pad 24 one side and quick detach formula filter 3's outside laminating mutually, sealed pad 24 adopts the rubber pad, can stretch or shrink along with the rotation of filter frame 31, has guaranteed the leakproofness between filter frame 31 and the quick detach formula filter 3 simultaneously.
It is specific, the both sides of 2 inner walls on the extension section of thick bamboo all are provided with clamp plate 22, one side of clamp plate 22 is provided with the leaf spring 23 that resets inconsistent with quick detach formula filter 3, clamp plate 22 cooperation reset leaf spring 23, when quick detach formula filter 3 and buckle leaf spring 26 joint, quick detach formula filter 3 conflicts reset leaf spring 23, make reset leaf spring 23 receive the compression, when buckle leaf spring 26 breaks away from the inside of constant head tank 37, reset leaf spring 23 kick-backs and conflicts quick detach formula filter 3, make quick detach formula filter 3 break away from the inside of extension section of thick bamboo 2 automatically, user operation has been made things convenient for.
When using, start fan 21 and draw the inside that the air got into to even wind cover 11 through filter screen 32, even wind hole is joined in marriage to even wind cover 11, make the air diffusion more even, the air is taken away the inside heat of device main part 1 and is discharged through the exhaust hole, it rocks to drive filter screen 32 during air flow, make filter frame 31 drive stopper 36 rotate at spacing ball 35's surface, make the dust of interception on the filter screen 32 drop, the clearance frequency in later stage has been reduced, promote slide 27 and drive buckle spring leaf 26 tensile, make buckle spring leaf 26 break away from the inside of constant head tank 37, reset spring leaf 23 kick-back conflict quick detach formula filter 3, make quick detach formula filter 3 break away from the inside of extension section of thick bamboo 2 automatically, accomplish the operation to the device through the aforesaid.
In conclusion, the audio preposed power amplifier has the advantages that the device main body 1, the extension cylinder 2 and the quick-release type filter plate 3 are arranged, compared with a conventional amplifier, when the device starts the fan 21, air can drive the filter screen 32 to rotate, so that dust on the filter screen 32 drops, the cleaning frequency in the later period is reduced, and the heat dissipation efficiency is guaranteed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a leading power amplifier of audio frequency, includes device main part (1), extension section of thick bamboo (2) and quick detach formula filter (3), its characterized in that: an extension cylinder (2) is arranged on one side of the device main body (1), a fan (21) is arranged inside the extension cylinder (2), and an exhaust hole opposite to the extension cylinder (2) is formed in one side, away from the extension cylinder (2), of the device main body (1);
the top and the bottom of extension section of thick bamboo (2) all are provided with buckle spring leaf (26), the inside of extension section of thick bamboo (2) is provided with quick detach formula filter (3), the surperficial salient to the inside of quick detach formula filter (3) of buckle spring leaf (26), filter screen (32) are installed through filtering frame (31) in the inside of quick detach formula filter (3), the both sides of quick detach formula filter (3) inner wall all are provided with spacing ball (35) through bracing piece (34), the both ends of filtering frame (31) one side all are provided with stopper (36), the outside of spacing ball (35) cup joints with the inside activity of stopper (36).
2. An audio pre-power amplifier according to claim 1, wherein: positioning grooves (37) are formed in the top and the bottom of the quick-release type filter plate (3), and the surfaces of the buckle spring pieces (26) protrude into the positioning grooves (37).
3. An audio pre-power amplifier according to claim 1, wherein: one side of the inner wall of the device main body (1) is provided with an even fan cover (11), the inside of the even fan cover (11) is provided with a vent hole (12), and the even fan cover (11) is positioned on one side of the fan (21).
4. An audio pre-power amplifier according to claim 1, wherein: mounting holes (25) are formed in the top and the bottom of the extension cylinder (2), the buckle spring piece (26) is arranged in the mounting holes (25), and a sliding plate (27) is arranged at one end, far away from the mounting holes (25), of the buckle spring piece (26).
5. An audio pre-power amplifier according to claim 1, wherein: the inside of quick detach formula filter (3) is provided with sealing washer (33), the outside of filtering frame (31) and the inside fixed connection of sealing washer (33).
6. An audio pre-power amplifier according to claim 1, wherein: all be provided with sealed pad (24) around extension section of thick bamboo (2) inner wall, the outside of one side and quick detach formula filter (3) of sealed pad (24) is laminated mutually.
7. An audio pre-power amplifier according to claim 1, wherein: both sides of extension section of thick bamboo (2) inner wall all are provided with clamp plate (22), one side of clamp plate (22) is provided with the reset spring piece (23) that contradict with quick detach formula filter (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122599834.7U CN215935310U (en) | 2021-10-27 | 2021-10-27 | Audio frequency preposition power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122599834.7U CN215935310U (en) | 2021-10-27 | 2021-10-27 | Audio frequency preposition power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215935310U true CN215935310U (en) | 2022-03-01 |
Family
ID=80403757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122599834.7U Active CN215935310U (en) | 2021-10-27 | 2021-10-27 | Audio frequency preposition power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215935310U (en) |
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2021
- 2021-10-27 CN CN202122599834.7U patent/CN215935310U/en active Active
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