CN201127145Y - Power amplifier audio-visual apparatus for lift foldable screen - Google Patents
Power amplifier audio-visual apparatus for lift foldable screen Download PDFInfo
- Publication number
- CN201127145Y CN201127145Y CNU2007200618673U CN200720061867U CN201127145Y CN 201127145 Y CN201127145 Y CN 201127145Y CN U2007200618673 U CNU2007200618673 U CN U2007200618673U CN 200720061867 U CN200720061867 U CN 200720061867U CN 201127145 Y CN201127145 Y CN 201127145Y
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- CN
- China
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- display screen
- power amplifier
- audio
- main box
- elevating lever
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- Expired - Fee Related
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Abstract
The utility model relates to the field of mobile audio-visual technology, specifically to a power audio-visual device with a liftable foldable screen, which comprises a main cabinet body, a public address device and a display screen. The utility model is characterized in that the display screen may be put flat in the upper cover on the top of the main cabinet body, with the front surface being rotatably connected to the upper end of a liftable lifting rod, the public address device is arranged in the main cabinet body, the front surface of the public address device is exposed to the front panel of the main cabinet body. The utility model has the advantages that the display screen is foldable and liftable; when the device is not used or transported, the display screen is folded and put in the main cabinet, which saves space and is beneficial to protecting the display screen; when the device is used, the display screen is rotated 90 degrees and lifted, making it convenient for audiences to watch programs. The utility model is suitable for mobile multifunctional middle- and high-grade audio-visual apparatuses.
Description
Technical field:
The utility model relates to portable audio visual technology field, refers in particular to a kind of power amplifier audio-visual apparatus of elevation type folding screen.
Background technology:
The multimedia video device for tone frequencies mainly contains visual and sound effects and vocal accompaniment function, and visual and sound effects mainly can provide the output of image and sound, and the vocal accompaniment function mainly offers the user and can accompany or talk along with multimedia video and audio device.
Common audio-visual apparatus, comprise sound amplifier, microphone, audio amplifier, television set or main frame and display are to place in family or public arena split with unit independently, the user goes out to carry very inconvenient, for this reason, someone has designed the audio-visual vocal accompany unit of composite type, for example: No. 200520000027.7 Chinese patents, the patented technology of a kind of " portable multimedia video vocal accompany unit " is disclosed, this technology mainly is that display screen is fixed in the front of main box, outer surface or bottom hung or placement audio amplifier and microphone at main box, and by telescopic lever and auxiliary wheels can mobile easily main box and casing in equipment, shortcoming is that the installation site of display screen is too low, people have uncomfortable and tired sensation during picture on watching display screen, if enough height with the display screen installation, can make the too big of main box design, be not easy to transport and lay, in addition, display screen is exposed to the outside of main box and audio amplifier and microphone is suspended on the outer surface of main box, as easy as rolling off a log during transportation owing to collision causes damage, influence the normal use of product.
Summary of the invention:
The purpose of this utility model provide a kind ofly be convenient to transport or carry, the power amplifier audio-visual apparatus of multi-functional elevation type folding screen.
The utility model is achieved in that the power amplifier audio-visual apparatus of elevation type folding screen, mainly by forming by main box, public address set and display screen, it is characterized in that described display screen can lie against in the loam cake at top of main box, leading flank when display screen keeps flat is rotatably connected on the upper end of liftable elevating lever, public address set is arranged in the main box, and the front surface of public address set is exposed to the front plate of main box.
Leading flank when above-mentioned display screen keeps flat be rotatably connected on elevating lever the upper end be rotationally connected be meant that display screen revolves the erectility that turn 90 degrees by flat condition after, the tie point on the display screen can insert in the inner chamber of elevating lever upper end the location or on elevating lever display screen is positioned at erectility with locating piece.
Above-mentioned public address set includes power amplifier, audio amplifier and CD player or VCD machine or DVD player or host computer.
In above-mentioned main box, be placed with the microphone of vocal accompaniment or speech usefulness.
The power amplifier audio-visual apparatus of above-mentioned elevation type folding screen is characterized in that described elevating lever is the lifting structure more than two sections or two sections.
The outstanding compared to existing technology advantage of the utility model is:
1, collapsible, the liftable of display screen: need not or transportation during the utility model, display screen is placed in the main box after folding, it is little promptly to take up room, and is beneficial to the protection display screen again; When using the utility model, display screen revolved turn 90 degrees and adjust the height of multisection type elevating lever, be beneficial to watch program according to seat height and spectators' sensation.
2, the utility model is applicable to and makes portable, multi-functional middle and high shelves audio-visual apparatus.
Description of drawings:
Fig. 1 is the schematic perspective view after the folding gathering of the utility model;
Fig. 2 is the schematic perspective view after loam cake 11 of the present utility model is opened;
Fig. 3 opens loam cake 11 of the present utility model and the schematic perspective view when display screen 20 is raised up to certain angle;
Fig. 4 opens loam cake 11 of the present utility model and display screen 20 is lifted schematic perspective views behind the 90 degree location;
Fig. 5 be loam cake 11 of the present utility model is opened and display screen 20 raise with elevating lever after schematic perspective view;
Fig. 6 is the partial sectional view with one of scheme of the mutual location structure of display screen 20 of the present utility model and elevating lever 22.
Embodiment:
With specific embodiment the utility model is further described below:
Referring to Fig. 1-6: the power amplifier audio-visual apparatus of elevation type folding screen, mainly by main box 10, public address set 30,40,50 and display screen 20 form, be provided with telescopic lever 14 at the back side of main box 10, in the bottom of main box 10 roller 13 is installed, it is characterized in that described display screen 20 can lie against in the loam cake 11 at top of main box 10, leading flank when display screen 20 keeps flat is rotatably connected on the upper end of liftable elevating lever 22, public address set 30,40,50 are arranged in the main box 10 public address set 30,40,50 front surface is exposed to the front plate of main box 10.
Leading flank when above-mentioned display screen 20 keeps flat be rotatably connected on elevating lever 22 the upper end be rotationally connected be meant that display screen 20 revolves the erectility that turn 90 degrees by flat condition after, tie point 21 on the display screen 20 can insert the interior location of inner chamber of elevating lever 22 upper ends, or 21 usefulness of the tie point on the display screen 20 axle 23 is hinged on the elevating lever 22, on elevating lever 22 display screen 20 is positioned at erectility with locating piece 24, locating piece 24 then can be done in the sliding sleeve 25 on being arranged on display screen 20 or elevating lever 22 and slide up and down.
Above-mentioned public address set 30,40,50 includes power amplifier 40, audio amplifier 50 and CD player or VCD machine or DVD player 30 or host computer.
In above-mentioned main box 10, be placed with the microphone of vocal accompaniment or speech usefulness.
Above-mentioned elevating lever 22 is two sections bushing type elevating levers, every section liftable 30CM can certainly be made into the multistage lifting according to customer demand, the elevating lever that every section adjustable height is identical or different, because the location of bushing type elevating lever and the structure of adjustment are current techique, do not describing in detail at this.
Use of the present utility model:
1, need not or when transportation, display screen 20 is placed in the main box 10 after folding, it is little promptly to take up room, and is beneficial to the protection display screen again, utilizes the telescopic lever 14 at main box 10 back sides and the main box 10 bottom rollers 13 also can closely mobile easily main box.
2, during use, earlier base 12 is placed on the smooth ground or platform, again display screen 20 is revolved to turn 90 degrees by flat condition and be positioned on the elevating lever 22, raise again elevating lever 22 height and to locking or the position location, energized, can be as the TV that uses in the household electrical appliances, sound equipment and microphone are the same, sing karaoke and watch the program of various broadcasts, owing to being elevated to, display screen 20 is convenient to the visual height of people, therefore, be convenient to people and watch various pictures on the display screen 20, certainly, also display screen 20 can be revolved to turn 90 degrees by flat condition and be positioned on the elevating lever 22 back with regard to the various pictures on the direct viewing display screen 20, and not need elevating lever 22 is raise, this is suitable for the occasion of the height-limited system of children or place.
The foregoing description only is one of preferred embodiment of the present utility model; be not to limit practical range of the present utility model with this; so: all equivalences of doing according to shape of the present utility model, structure, principle change, and all should be covered by within the protection range of the present utility model.
Claims (5)
1, the power amplifier audio-visual apparatus of elevation type folding screen, mainly form by main box, public address set and display screen, it is characterized in that described display screen can lie against in the loam cake at top of main box, leading flank when display screen keeps flat is rotatably connected on the upper end of liftable elevating lever, public address set is arranged in the main box, and the front surface of public address set is exposed to the front plate of main box.
2, the power amplifier audio-visual apparatus of elevation type folding screen according to claim 1, it is characterized in that leading flank when described display screen keeps flat be rotatably connected on elevating lever the upper end be rotationally connected be meant that display screen revolves the erectility that turn 90 degrees by flat condition after, the tie point on the display screen can insert in the inner chamber of elevating lever upper end the location or on elevating lever display screen is positioned at erectility with locating piece.
3, the power amplifier audio-visual apparatus of elevation type folding screen according to claim 1 is characterized in that described public address set includes power amplifier, audio amplifier and CD player or VCD machine or DVD player or host computer.
4, the power amplifier audio-visual apparatus of elevation type folding screen according to claim 1 is characterized in that the microphone that is placed with vocal accompaniment or talks usefulness in described main box.
5, the power amplifier audio-visual apparatus of elevation type folding screen according to claim 1 is characterized in that described elevating lever is the lifting structure more than two sections or two sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200618673U CN201127145Y (en) | 2007-12-17 | 2007-12-17 | Power amplifier audio-visual apparatus for lift foldable screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200618673U CN201127145Y (en) | 2007-12-17 | 2007-12-17 | Power amplifier audio-visual apparatus for lift foldable screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201127145Y true CN201127145Y (en) | 2008-10-01 |
Family
ID=40000607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200618673U Expired - Fee Related CN201127145Y (en) | 2007-12-17 | 2007-12-17 | Power amplifier audio-visual apparatus for lift foldable screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201127145Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373144A (en) * | 2018-12-07 | 2019-02-22 | 大连国晨科技有限公司 | A kind of matrix form audio speaker box and playback method with video playing |
| TWI697270B (en) * | 2019-01-22 | 2020-06-21 | 宏齊科技股份有限公司 | Display device capable of being quickly transformed between expanded state and folded state |
-
2007
- 2007-12-17 CN CNU2007200618673U patent/CN201127145Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373144A (en) * | 2018-12-07 | 2019-02-22 | 大连国晨科技有限公司 | A kind of matrix form audio speaker box and playback method with video playing |
| CN109373144B (en) * | 2018-12-07 | 2023-09-22 | 大连国晨科技有限公司 | Matrix type audio loudspeaker box with video playing function and playing method |
| TWI697270B (en) * | 2019-01-22 | 2020-06-21 | 宏齊科技股份有限公司 | Display device capable of being quickly transformed between expanded state and folded state |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20101217 |