CN205507344U - But dustproof height -adjusting's audio -visual education programme projecting apparatus - Google Patents
But dustproof height -adjusting's audio -visual education programme projecting apparatus Download PDFInfo
- Publication number
- CN205507344U CN205507344U CN201620345487.1U CN201620345487U CN205507344U CN 205507344 U CN205507344 U CN 205507344U CN 201620345487 U CN201620345487 U CN 201620345487U CN 205507344 U CN205507344 U CN 205507344U
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- CN
- China
- Prior art keywords
- projector
- dust
- runner
- staving
- inserting column
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- 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.)
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Abstract
The utility model discloses a but dustproof height -adjusting's audio -visual education programme projecting apparatus, grafting intracavity portion pegs graft there is socket columns, the left end of left side plate rotates installs first runner, socket columns's the penetrating pillar in below rotates installs the second runner, the one end of cable wire and the left end fixed connection of right plate, the outside that second runner and first runner extended to the staving is walked around to the other end of cable wire, the equal fixed mounting in upper end of the left and right sides of staving has the locating plate, all set up threaded hole on the base member of locating plate, the equal threaded connection of threaded hole portion has the screw, the inner of screw is all balanced with socket columns's outer wall, projecting apparatus dust keeper is installed to socket columns's upper end, this but dustproof height -adjusting's audio -visual education programme projecting apparatus has advantages such as low in labor strength, adjusting function are good, dustproof effectual, is fit for extensive the popularization.
Description
Technical field
This utility model relates to porjector technology field, is specially a kind of dust-proof height-adjustable audio-visual education programme and throws
Shadow instrument.
Background technology
Projector is production activity and society's work of a pair mankind of 20th century state-of-the-art science and technology invention
Move and create extremely important impact and develop rapidly its application from initial with powerful vitality
Military research application extension, to the every field of society, has defined huge projector industry and has driven
The technological progress of global range has thus caused the deep social change computer to look forward to throughout general school
Public institution.School gives lessons and mostly uses multimedia teaching, especially computer major, so attends class
Quantity of information maximum of giving lessons can be reached, so can more apply the time attended class, but conventional projector modulability
Can be poor, altitude mixture control difficulty is bigger；And traditional projector, dust-proof effect is poor, has a strong impact on projection
The service life of instrument.
Utility model content
The purpose of this utility model is to provide a kind of dust-proof height-adjustable audio-visual education programme projector, to solve
The problem proposed in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer: a kind of dust-proof adjustable-height
Audio-visual education programme projector, including base and cable wire, the upper end, middle part of described base is installed with described in staving
The inside of staving is provided with grafting chamber, and described grafting intracavity portion is plugged with inserting column, the left side wall of described staving
Being respectively equipped with left plate block and right panel block with the top inner side of right side wall, the left end of described left plate block rotates to be installed
Having the first runner, the penetrating pillar in lower section of described inserting column is rotatablely equipped with the second runner, described cable wire
One end is fixing with the left end of right panel block to be connected, and the other end of described cable wire walks around the second runner and the first runner
Extend to the outside of staving, and the other end connection of cable wire has hand draw ring, the left and right sides of described staving
Upper end is all installed with location-plate, and the matrix of described location-plate all offers screwed hole, described screw thread
The most threaded inside hole have screw, and inner all outer walls with inserting column of described screw offset, described slotting
The upper end connecing post is provided with dustproof device for projector.
Preferably, described dustproof device for projector includes installing plate, the lower end of described installing plate and inserting column
Upper end fixing connect, the upper end of described installing plate is provided with projector main body, described projector main body
Left end is provided with lens barrel, and the outer wall of described projector main body and lens barrel is cased with the first dust protection rubber set and the respectively
Two dust protection rubber sets, described first dust protection rubber set and the second dust protection rubber set intersection are arranged for sealing.
Preferably, the inside of described second dust protection rubber set is provided with fold, described fold be positioned at lens barrel it
Between gap at.
Preferably, the upper end of described first dust protection rubber set is provided with Electrostatic Absorption film.
Preferably, described screwed hole is provided with four, and screwed hole is evenly distributed on the determining of both sides of inserting column
On the plate of position, and left and right screw is symmetrical about inserting column.
Compared with prior art, the beneficial effects of the utility model are: this dust-proof height-adjustable audio-visual education programme
Projector, pulls cable wire that projector main body is adjusted to suitable height by hand draw ring, will by screw
Inserting column positions, simple to operate, it is simple to regulation；One end of cable wire is fixing with the left end of right panel block to be connected
Connecing, the other end of cable wire walks around the second runner and the first runner extends to the outside of staving, and this structure is for saving
Power structure, decreases labor intensity, facilitates the regulation of inserting column；By the first dust protection rubber set and second
Dust protection rubber set and the common dustproof effect of Electrostatic Absorption film, good dustproof effect.Therefore this dust-proof scalable is high
The audio-visual education programme projector of degree has the advantages such as low, regulation good, the good dustproof effect of performance of labor intensity, is suitable for big
Scale is promoted.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
In figure: 1 base, 2 stavings, 3 grafting chambeies, 4 inserting columns, 5 left plate blocks, 6 right panel blocks, 7
One runner, 8 second runners, 9 cable wires, 10 location-plates, 11 screwed holes, 12 screws, 13 installing plates,
14 projector main body, 15 lens barrels, 16 first dust protection rubber sets, 17 second dust protection rubber sets, 18 folds,
19 Electrostatic Absorption films, 10 hand draw rings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this
The scope of utility model protection.
Fig. 1, a kind of technical scheme of this utility model offer: a kind of dust-proof height-adjustable audio-visual education programme are provided
Projector, including base 1 and cable wire 9, the upper end, middle part of base 1 is installed with staving 2 staving 2
Inside is provided with grafting chamber 3, and grafting chamber 3 is internal is plugged with inserting column 4, the left side wall of staving 2 and right side wall
Top inner side be respectively equipped with left plate block 5 and right panel block 6, the left end of left plate block 5 is rotatablely equipped with first turn
Wheel 7, the penetrating pillar in lower section of inserting column 4 is rotatablely equipped with the second runner 8, one end of cable wire 9 and right panel
The left end of block 6 is fixing to be connected, and the other end of cable wire 9 walks around the second runner 8 and the first runner 7 extends to
The outside of staving 2, and the other end of cable wire 9 connects and has hand draw ring 20, the left and right sides of staving 2 upper
End is all installed with location-plate 10, and the matrix of location-plate 10 all offers screwed hole 11, screwed hole
11 are provided with four, and on the location-plate 10 of screwed hole 11 both sides that are evenly distributed on inserting column 4 and left
Right screw 12 is symmetrical about inserting column 4, and screwed hole 11 inside is the most threaded screw 12, screw 12
Inner all outer walls with inserting column 4 offset, the upper end of inserting column 4 is provided with dustproof device for projector,
Dustproof device for projector includes installing plate 13, and the lower end of installing plate 13 is fixing with the upper end of inserting column 4 to be connected,
The upper end of installing plate 13 is provided with projector main body 14, and the left end of projector main body 14 is provided with lens barrel 15,
The outer wall of projector main body 14 and lens barrel 15 is cased with the first dust protection rubber set 16 and the second dust protection rubber respectively
Set 17, the inside of the second dust protection rubber set 17 is provided with fold 18, fold 18 and between lens barrel 15
Gap at, first dust protection rubber set 16 and second dust protection rubber overlap 17 intersections for seal arrange.
This dust-proof height-adjustable audio-visual education programme projector, pulls cable wire 9 by projector originally by hand draw ring 20
Body 14 is adjusted to suitable height, is positioned by inserting column 4 by screw 12, simple to operate, just
In regulation；The left end of one end of cable wire 9 and right panel block 6 is fixing to be connected, and the other end of cable wire 9 walks around the
Two runners 8 and the first runner 7 extend to the outside of staving 2, and this structure is labor-saving structure, decreases labor
Fatigue resistance, facilitates the regulation of inserting column 4.
Dustproof device for projector includes installing plate 13, and the upper end of the lower end of installing plate 13 and inserting column 4 is fixed
Connecting, the upper end of installing plate 13 is provided with projector main body 14, and the left end of projector main body 14 is provided with mirror
Cylinder 15, the outer wall of projector main body 14 and lens barrel 15 is cased with the first dust protection rubber set 16 and second respectively to be prevented
Dirt rubber sleeve 17, the first dust protection rubber set 16 and the second dust protection rubber are overlapped 17 intersections and are arranged for sealing.
By the first dust protection rubber set 16 and the second dust protection rubber set 17 common dustproof effect, good dustproof effect.
The inside of the second dust protection rubber set 17 is provided with fold 18, fold 18 and the seam between lens barrel 15
At gap.Improve dust-proof effect.
The upper end of the first dust protection rubber set 16 is provided with Electrostatic Absorption film 19.Enhance dust-proof effect.
Screwed hole 11 is provided with four, and screwed hole 11 is evenly distributed on the location-plate of both sides of inserting column 4
On 10, and left and right screw 12 is symmetrical about inserting column 4.Enhance the locating effect of screw 12.
Therefore this dust-proof height-adjustable audio-visual education programme projector has that labor intensity is low, regulation performance is good, anti-
The advantages such as dirt is effective, are suitable for large-scale promotion.
Embodiment the most of the present utility model, for the ordinary skill people of this area
For Yuan, it is possible to understand that can be real to these in the case of without departing from principle of the present utility model and spirit
Executing example to carry out multiple change, revise, replace and modification, scope of the present utility model is by claims
And equivalent limits.
Claims (5)
1. a dust-proof height-adjustable audio-visual education programme projector, including base (1) and cable wire (9), its
It is characterised by: the upper end, middle part of described base (1) is installed with staving (2), described staving (2)
Inside be provided with grafting chamber (3), described grafting chamber (3) is internal is plugged with inserting column (4), described staving
(2) left side wall is respectively equipped with left plate block (5) and right panel block (6), institute with the top inner side of right side wall
The left end stating left plate block (5) is rotatablely equipped with the first runner (7), the lower square tube of described inserting column (4)
Overdraw post is rotatablely equipped with a left side for the second runner (8), one end of described cable wire (9) and right panel block (6)
End is fixing to be connected, and the other end of described cable wire (9) walks around the second runner (8) and the first runner (7) prolongs
Extend the outside of staving (2), and the other end connection of cable wire (9) has hand draw ring (20), described staving
(2) upper end of the left and right sides is all installed with location-plate (10), the base of described location-plate (10)
All offering screwed hole (11) on body, described screwed hole (11) inside is the most threaded screw (12),
Inner all outer walls with inserting column (4) of described screw (12) offset, described inserting column (4) upper
End is provided with dustproof device for projector.
The dust-proof height-adjustable audio-visual education programme projector of one the most according to claim 1, its feature exists
In: described dustproof device for projector includes installing plate (13), the lower end of described installing plate (13) and grafting
The upper end of post (4) is fixing to be connected, and the upper end of described installing plate (13) is provided with projector main body (14),
The left end of described projector main body (14) is provided with lens barrel (15), described projector main body (14) and lens barrel
(15) outer wall is cased with the first dust protection rubber set (16) and the second dust protection rubber set (17) respectively, described
First dust protection rubber set (16) and the second dust protection rubber set (17) intersection are arranged for sealing.
The dust-proof height-adjustable audio-visual education programme projector of one the most according to claim 1 and 2, its feature
Be: the inside of described second dust protection rubber set (17) is provided with fold (18), described fold (18) with
It is positioned at the gap between lens barrel (15).
The dust-proof height-adjustable audio-visual education programme projector of one the most according to claim 1 and 2, it is special
Levy and be: the upper end of described first dust protection rubber set (16) is provided with Electrostatic Absorption film (19).
The dust-proof height-adjustable audio-visual education programme projector of one the most according to claim 1, its feature exists
In: described screwed hole (11) is provided with four, and screwed hole (11) is evenly distributed on inserting column (4)
On the location-plate (10) of both sides, and left and right screw (12) is symmetrical about inserting column (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620345487.1U CN205507344U (en) | 2016-04-22 | 2016-04-22 | But dustproof height -adjusting's audio -visual education programme projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620345487.1U CN205507344U (en) | 2016-04-22 | 2016-04-22 | But dustproof height -adjusting's audio -visual education programme projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205507344U true CN205507344U (en) | 2016-08-24 |
Family
ID=56705811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620345487.1U Expired - Fee Related CN205507344U (en) | 2016-04-22 | 2016-04-22 | But dustproof height -adjusting's audio -visual education programme projecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205507344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816009A (en) * | 2020-08-14 | 2020-10-23 | 新乡医学院 | Multi-scene use type multimedia teaching presentation device |
-
2016
- 2016-04-22 CN CN201620345487.1U patent/CN205507344U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816009A (en) * | 2020-08-14 | 2020-10-23 | 新乡医学院 | Multi-scene use type multimedia teaching presentation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20170422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |