CN207200905U - A kind of special protective cover of outdoor power amplifier - Google Patents
A kind of special protective cover of outdoor power amplifier Download PDFInfo
- Publication number
- CN207200905U CN207200905U CN201720988231.7U CN201720988231U CN207200905U CN 207200905 U CN207200905 U CN 207200905U CN 201720988231 U CN201720988231 U CN 201720988231U CN 207200905 U CN207200905 U CN 207200905U
- Authority
- CN
- China
- Prior art keywords
- plate
- cover plate
- power amplifier
- cover
- protective cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses a kind of special protective cover of outdoor power amplifier, including backing plate, the backing plate bottom is provided with sponge absorbing layer, and sponge absorbing layer bottom is provided with base, the base both sides are provided with anticollision layer, the backing plate is internally provided with spring, the backing plate upper surface is provided with pressing layer, the backing plate both sides are welded with side plate, and side plate upper end is rotatablely connected with the first cover plate and the second cover plate respectively by rotary shaft, locating slot is offered at the top of first cover plate, the first cover plate upper surface is provided with soft-slab, and it is provided with pasting boards on the outside of soft-slab, locating dowel is provided with the top of second cover plate, and positioning column bottom is provided with limiting plate.In the utility model, the protective cover overall construction design advantages of simple, the sealing of cover plate junction is stable, damping, buffering excellent performance, can adapt to the use demand of outdoor varying environment, has stronger practicality.
Description
Technical field
It the utility model is related to power amplifying device technical field, more particularly to the protective cover that a kind of outdoor power amplifier is special.
Background technology
Power amplifier is commonly called as " sound amplifier ", and his effect is exactly the small signals amplification from source of sound or pre-amplifier, is pushed away
Dynamic audio amplifier is raised one's voice to its utmost, and the effect of a set of good sound system power amplifier is performed meritorious deeds never to be obliterated, and power amplifier can be generally divided into three major types " specially
Industry power amplifier " " civilian power amplifier " " special power amplifier ", according to the difference using component, power amplifier has " courage machine " [electronic tube power amplifier] again,
" stone machine " [transistor power amplifier], " IC power amplifiers " [integrated circuit power amplifier], and in these power amplifiers open air in use, due to different
Environmental influence to power amplifier using protective cover, it is necessary to carry out safeguard protection effect, so as to improve the working stability of power amplifier
Property.
But existing power amplifier machine protective cover is in use there is in place of some shortcomings, the connection for protective cover
It is not perfect enough in sealing, the phenomenon of dust and rainwater pollution easily occurs, reduces the service life of protective cover.
Utility model content
The purpose of this utility model is and a kind of outdoor power amplifier proposed in order to solve shortcoming present in prior art
Special protective cover.
To achieve these goals, the utility model employs following technical scheme：A kind of special guarantor of outdoor power amplifier
Shield, including backing plate, the backing plate bottom is provided with sponge absorbing layer, and sponge absorbing layer bottom is provided with base, the bottom
Seat both sides are provided with anticollision layer, and the backing plate is internally provided with spring, and the backing plate upper surface is provided with pressing layer, the backing plate
Both sides are welded with side plate, and side plate upper end is rotatablely connected with the first cover plate and the second cover plate respectively by rotary shaft, and described first
Locating slot is offered at the top of cover plate, the first cover plate upper surface is provided with soft-slab, and is provided with pasting boards on the outside of soft-slab,
Locating dowel is provided with the top of second cover plate, and positions column bottom and is provided with limiting plate.
As further describing for above-mentioned technical proposal：
First cover plate is snapped connection by locating slot and the locating dowel on the second cover plate.
As further describing for above-mentioned technical proposal：
The spring is provided with three altogether, and three springs are in same level.
As further describing for above-mentioned technical proposal：
The anticollision layer is provided with two altogether, and the cross section of two anticollision layers is three-legged structure.
As further describing for above-mentioned technical proposal：
The locating dowel is internally provided with elastic rod, and the maximum compression amplitude of elastic rod is 2cm.
, can be to playing safety at the top of protective cover first by setting the first cover plate and the second cover plate in the utility model
The effect of protection, dust and rainwater is avoided to enter in protective cover the damage phenomenon for causing power amplifier, while soft-slab and pasting boards
Sealing is played a part of to the first cover plate and the second cover plate junction, maximumlly ensure that the safety of cover plate, secondly
By the sponge absorbing layer of setting, absorption can be played a part of to the moisture of protective cover bottom, avoid moisture from entering protective cover
The phenomenon that circuit damages is caused in inside, improves the job stability of power amplifier, finally by the anticollision layer of setting, can reduce
Foreign impacts power collides influence to caused by protective cover, so as to reduce the vibration amplitude of protective cover, avoids unnecessary machine
Tool wears, and extends the service life of protective cover.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of special protective cover of outdoor power amplifier structural representation；
Fig. 2 is the structural representation of the cover plate of the utility model first；
Fig. 3 is the structural representation of the cover plate of the utility model second.
Marginal data：
The cover plates of 1- first, 2- rotary shafts, 3- side plates, 4- bases, 5- pressing layers, 6- springs, 7- backing plates, the cover plates of 8- second,
9- sponge absorbing layers, 10- anticollisions layer, 11- pasting boards, 12- soft-slabs, 13- locating slots, 14- limiting plates, 15- locating dowels.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-3, a kind of special protective cover of outdoor power amplifier, including backing plate 7, the bottom of backing plate 7 are provided with sponge suction
Attached layer 9, and the bottom of sponge absorbing layer 9 is provided with base 4, the both sides of base 4 are provided with anticollision layer 10, and backing plate 7 is internally provided with bullet
Spring 6, the upper surface of backing plate 7 are provided with pressing layer 5, and the both sides of backing plate 7 are welded with side plate 3, and the upper end of side plate 3 is distinguished by rotary shaft 2
It is rotatablely connected with the first cover plate 1 and the second cover plate 8, the top of the first cover plate 1 offers locating slot 13, and the upper surface of the first cover plate 1 is set
Soft-slab 12 is equipped with, and the outside of soft-slab 12 is provided with pasting boards 11, the top of the second cover plate 8 is provided with locating dowel 15, and positions
The bottom of post 15 is provided with limiting plate 14.
First cover plate 1 is snapped connection by locating slot 13 and the locating dowel 15 on the second cover plate 8, and spring 6 is provided with three altogether
It is individual, and three springs 6 are in same level, anticollision layer 10 is provided with two, and the cross section of two anticollision layers 10 altogether
It is three-legged structure, locating dowel 15 is internally provided with elastic rod, and the maximum compression amplitude of elastic rod is 2cm.
First cover plate 1 and 8 inside side of the second cover plate are rotated by rotary shaft 2, when the first cover plate 1 and the phase of the second cover plate 8
During mutual contact squeeze, now the elastic rod in locating dowel 15 is extruded compression, so as to shorten the length of locating dowel 15, so as to
So that the first cover plate 1 and the second cover plate 8 rotate to horizontal level, now locating dowel 15 and the position of locating slot 13 are horizontal, elasticity
Bar resets resilience, locating dowel 15 is embedded into locating slot 13 so that the first cover plate 1 and the second cover plate 8 snap connection.
Operation principle：In use, protective cover is placed into power amplifier job site out of doors by base 4, power amplifier is put
Put in the upper surface of backing plate 7, pressing layer 5 can reduce the mutual frictional force between power amplifier and side plate 3 and backing plate 7, Ran Houtong
Cross rotary shaft 2 to snap connection the first cover plate 1 and the second cover plate 8, pasting boards 11 are pasted onto on the second cover plate 8 so that flexible glue
Plate 12 can play a part of sealing to cover plate junction, and another aspect spring 6 can reduce the vibration influence that protective cover is subject to,
And anticollision layer 10 can effectively reduce foreign impacts power and influence is collided to caused by protective cover, then the protective cover completely uses.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (5)
1. a kind of special protective cover of outdoor power amplifier, including backing plate (7), it is characterised in that backing plate (7) bottom is provided with
Sponge absorbing layer (9), and sponge absorbing layer (9) bottom is provided with base (4), base (4) both sides are provided with anticollision layer
(10), the backing plate (7) is internally provided with spring (6), and backing plate (7) upper surface is provided with pressing layer (5), the backing plate
(7) both sides are welded with side plate (3), and side plate (3) upper end by rotary shaft (2) respectively with the first cover plate (1) and the second cover plate (8)
Rotation connection, the first cover plate (1) top offer locating slot (13), and the first cover plate (1) upper surface is provided with flexible glue
Plate (12), and pasting boards (11) are provided with the outside of soft-slab (12), locating dowel (15) is provided with the top of second cover plate (8),
And locating dowel (15) bottom is provided with limiting plate (14).
A kind of 2. special protective cover of outdoor power amplifier according to claim 1, it is characterised in that first cover plate
(1) snapped connection by locating slot (13) and the locating dowel (15) on the second cover plate (8).
3. the special protective cover of a kind of outdoor power amplifier according to claim 1, it is characterised in that the spring (6) is altogether
Three are provided with, and three springs (6) are in same level.
A kind of 4. special protective cover of outdoor power amplifier according to claim 1, it is characterised in that the anticollision layer (10)
Two are provided with altogether, and the cross section of two anticollision layers (10) is three-legged structure.
A kind of 5. special protective cover of outdoor power amplifier according to claim 1, it is characterised in that the locating dowel (15)
Elastic rod is internally provided with, and the maximum compression amplitude of elastic rod is 2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988231.7U CN207200905U (en) | 2017-08-09 | 2017-08-09 | A kind of special protective cover of outdoor power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988231.7U CN207200905U (en) | 2017-08-09 | 2017-08-09 | A kind of special protective cover of outdoor power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207200905U true CN207200905U (en) | 2018-04-06 |
Family
ID=61796560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720988231.7U Expired - Fee Related CN207200905U (en) | 2017-08-09 | 2017-08-09 | A kind of special protective cover of outdoor power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207200905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907965A (en) * | 2019-05-07 | 2020-11-10 | 河淳株式会社 | Garbage can |
-
2017
- 2017-08-09 CN CN201720988231.7U patent/CN207200905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907965A (en) * | 2019-05-07 | 2020-11-10 | 河淳株式会社 | Garbage can |
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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: 20180406 Termination date: 20180809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |