CN208673028U - A kind of lifting projection screen convenient for cleaning - Google Patents
A kind of lifting projection screen convenient for cleaning Download PDFInfo
- Publication number
- CN208673028U CN208673028U CN201821549730.7U CN201821549730U CN208673028U CN 208673028 U CN208673028 U CN 208673028U CN 201821549730 U CN201821549730 U CN 201821549730U CN 208673028 U CN208673028 U CN 208673028U
- Authority
- CN
- China
- Prior art keywords
- cleaning
- shaft
- projection screen
- fixed link
- bracket
- 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
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 27
- 239000004744 fabric Substances 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Body Washing Hand Wipes And Brushes (AREA)
Abstract
A kind of lifting projection screen convenient for cleaning, including bracket, box, the frame bottom is equipped with box, and the top side of bracket is equipped with the first fixed link, first rotating shaft is rotatably equipped in fixed link, the connection of one end of first rotating shaft and traction rope, the other end of traction rope are connect with connecting rod, and connecting rod is also connect with one end of projection cloth, the top other side of bracket is equipped with motor, motor is connect with the second shaft, and one end of transmission belt is sleeved in first rotating shaft, and the other end of transmission belt is sleeved in the second shaft；The box is equipped with opening, is movably installed with the first cleansing bar and the second cleansing bar in opening, and the second fixed link is fixedly mounted on cassette interior, and third shaft, the other end connection of third shaft and projection cloth are rotatably equipped in the second fixed link.Using the above structure, realize the elevating function of cinema projection screen, it is convenient for collecting and keep a public place clean, while every time lifting projection screen in use, can automated cleaning, and easy cleaning replaces cleansing bar, practical.
Description
Technical field
The utility model relates to projection device field, especially a kind of lifting projection screen convenient for cleaning.
Background technique
In cinema equipment, for projection screen as carrying image documentation equipment, the effect played in entire optical projection system is can not
Substitution, optimal project effect can just only be shown by the straight projection screen of height to match with projector, especially existed
In cinema, customers have deep love in movie theatre viewing, more also as incomparable view in addition to because of powerful acoustics
Feel impression, still, during long-time service, since projection cloth is not mirror surface, surface is not bery easily adhered in hole projection screen
Various pollutants, these can all substantially reduce the effect of projection, cause the image of entire optical projection system is straight to have a greatly reduced quality, out
Existing various bad phenomenons: misty white background is generated when such as film projection, image is uneven in, screen surface light stream.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of lifting projection screens convenient for cleaning, realize movie theatre
The elevating function of projection screen facilitates and keeps projection screen cleaning, convenient for collecting, while going up and down projection screen every time in use, can be automatic
Cleaning, and easy cleaning replaces cleansing bar, it is practical.
A kind of lifting throwing convenient for cleaning that in order to solve the above technical problems, the technical scheme adopted by the utility model is:
Shadow screen, including bracket, box, the frame bottom are equipped with box, and the top side of bracket is equipped with the first fixed link, fixed link
On be rotatably equipped with first rotating shaft, one end of first rotating shaft and traction rope connects, and the other end of traction rope is connect with connecting rod, connecting rod
It is also connect with one end of projection cloth, the top other side of bracket is equipped with motor, and motor is connect with the second shaft, one end of transmission belt
It is sleeved in first rotating shaft, the other end of transmission belt is sleeved in the second shaft；
The box is equipped with opening, and the first cleansing bar and the second cleansing bar are movably installed in opening, and second is fixed
Bar is fixedly mounted on cassette interior, and third shaft, the other end of third shaft and projection cloth are rotatably equipped in the second fixed link
Connection.
In preferred scheme, the first rotating shaft is equipped with groove, and transmission belt is sleeved in groove.
In preferred scheme, bristle is equipped on first cleansing bar and the second cleansing bar.
In preferred scheme, second fixed link is fixedly connected with one end of torsionspring, torsionspring it is another
End is fixedly connected with third shaft.
In preferred scheme, the cradle top is additionally provided with dust cover.
In preferred scheme, the traction rope is three, is evenly distributed on connecting rod) on.
In preferred scheme, the projection cloth is glass fibre material.
In preferred scheme, the projection cloth surface is coated with the PVC material of special projection effect.
One kind provided by the utility model lifting projection screen convenient for cleaning has following by using above structure
The utility model has the advantages that
(1) facilitate the lifting of projection screen to use and store, play the effect for keeping cleaning and protection projection screen；
(2) projection screen convenient for cleaning is realized, and is convenient for changing cleansing bar, improves the working efficiency of staff；
(3) whole device structure is simple, easy to operate, practical.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the overall structure stereogram of the utility model.
Fig. 2 is the overall structure side view figure of the utility model.
Fig. 3 is the box-shaped structure sectional view of the utility model.
Fig. 4 is the first rotating shaft structural schematic diagram of the utility model.
In figure: bracket 1, box 2, the first cleansing bar 3, the second cleansing bar 4, projection cloth 5, connecting rod 6, traction rope 7, dust cover
8, the first fixed link 9, first rotating shaft 10, transmission belt 11, the second shaft 12, motor 13, groove 14, the second fixed link 15, third
Shaft 16.
Specific embodiment
In picture 1-4, a kind of lifting projection screen convenient for cleaning, including bracket 1, box 2,1 bottom of bracket are set
There is box 2, the top side of bracket 1 is equipped with the first fixed link 9, is rotatably equipped with first rotating shaft 10, first rotating shaft in fixed link 9
10 connect with one end of traction rope 7, and the other end of traction rope 7 is connect with connecting rod 6, and connecting rod 6 is also connect with one end of projection cloth 5,
The top other side of bracket 1 is equipped with motor 13, and motor 13 is connect with the second shaft 12, and one end of transmission belt 11 is sleeved on first turn
On axis 10, the other end of transmission belt 11 is sleeved in the second shaft 12；
The box 2 is equipped with opening, and the first cleansing bar 3 and the second cleansing bar 4 are movably installed in opening, and second is solid
Fixed pole 15 is fixedly mounted on cassette interior, and third shaft 16, third shaft 16 and projection are rotatably equipped in the second fixed link 15
The other end of cloth 5 connects.
The application method of the utility model are as follows: when rising projection cloth 5, the rotation of the second shaft 12 is driven by motor 13, the
Two shafts 12 drive transmission belt 11, and transmission belt 11 drives the rotation of first rotating shaft 10 to drive the rise of projection cloth 5, projection cloth 5
When going up and down from box 2, projection cloth 5 is moved between the first cleansing bar 3 and the second cleansing bar 4 of opening；
When falling projection cloth 5, the rotation of the second shaft 12 is still driven by motor 13, the second shaft 12 drives transmission belt
11, transmission belt 11 drives the rotation of first rotating shaft 10 to drive the decline of projection cloth 5, in the second fixed link 15 and third shaft 16
Torsionspring drive third shaft 16 pack up projection cloth 5, first cleansing bar 3 and second cleansing bar 4 of the projection cloth 5 from opening
Between move.
The utility model has the beneficial effects that automatic lifting, plays protective effect to projection cloth 5；Projection cloth convenient for cleaning
5, the working efficiency of staff is improved, it is practical.
In preferred scheme, the first rotating shaft 10 is equipped with groove 14, and transmission belt 11 is sleeved in groove 14.It is this
The beneficial effect of structure is: preventing transmission belt 11 from sliding during the motion.
In preferred scheme, bristle is equipped on first cleansing bar 3 and the second cleansing bar 4.This structure has
Beneficial effect is: improving cleaning effect.
In preferred scheme, second fixed link 15 is fixedly connected with one end of torsionspring, torsionspring it is another
One end is fixedly connected with third shaft 16.The beneficial effect of this structure is: conveniently packing up projection cloth 5.
In preferred scheme, dust cover 8 is additionally provided at the top of the bracket 1.The beneficial effect of this structure is: improving
The cleaning of projection screen.
In preferred scheme, the traction rope 7 is three, is evenly distributed on connecting rod 6.The beneficial effect of this structure
It is: ensure that smoothly lifting projection cloth 5.
In preferred scheme, the projection cloth 5 is glass fibre material.The beneficial effect of this structure is: moisture-proof
It is mould proof, it is conducive to cleaning.
In preferred scheme, 5 surface of projection cloth is coated with the PVC material of special projection effect.This structure has
Beneficial effect is: improving gain and contrast, improves viewing effect.
Claims (8)
1. a kind of lifting projection screen convenient for cleaning, including bracket (1), box (2), it is characterised in that: described bracket (1) bottom
Portion is equipped with box (2), and the top side of bracket (1) is equipped with the first fixed link (9), and the is rotatably equipped in the first fixed link (9)
One shaft (10), first rotating shaft (10) are connect with one end of traction rope (7), and the other end of traction rope (7) is connect with connecting rod (6),
Connecting rod (6) is also connect with one end of projection cloth (5), and the top other side of bracket (1) is equipped with motor (13), motor (13) and second
Shaft (12) connection, one end of transmission belt (11) is sleeved on first rotating shaft (10), and the other end of transmission belt (11) is sleeved on the
In two shafts (12)；
The box (2) is equipped with opening, is movably installed with the first cleansing bar (3) and the second cleansing bar (4) in opening, and second
Fixed link (15) is fixedly mounted on cassette interior, and third shaft (16), third shaft are rotatably equipped in the second fixed link (15)
(16) it is connect with the other end of projection cloth (5).
2. one kind according to claim 1 lifting projection screen convenient for cleaning, it is characterised in that: the first rotating shaft
(10) groove (14) are equipped with, transmission belt (11) is sleeved in groove (14).
3. one kind according to claim 1 lifting projection screen convenient for cleaning, it is characterised in that: first cleansing bar
(3) and on the second cleansing bar (4) it is equipped with bristle.
4. one kind according to claim 1 lifting projection screen convenient for cleaning, it is characterised in that: second fixed link
(15) it is fixedly connected with one end of torsionspring, the other end of torsionspring is fixedly connected with third shaft (16).
5. one kind according to claim 1 lifting projection screen convenient for cleaning, it is characterised in that: bracket (1) top
Portion is additionally provided with dust cover (8).
6. one kind according to claim 1 lifting projection screen convenient for cleaning, it is characterised in that: the traction rope (7)
It is three, is evenly distributed on connecting rod (6).
7. one kind according to claim 1 lifting projection screen convenient for cleaning, it is characterised in that: the projection cloth (5)
For glass fibre material.
8. one kind according to claim 1 lifting projection screen convenient for cleaning, it is characterised in that: the projection cloth (5)
Surface is coated with the PVC material of special projection effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821549730.7U CN208673028U (en) | 2018-09-21 | 2018-09-21 | A kind of lifting projection screen convenient for cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821549730.7U CN208673028U (en) | 2018-09-21 | 2018-09-21 | A kind of lifting projection screen convenient for cleaning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208673028U true CN208673028U (en) | 2019-03-29 |
Family
ID=65842267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821549730.7U Expired - Fee Related CN208673028U (en) | 2018-09-21 | 2018-09-21 | A kind of lifting projection screen convenient for cleaning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208673028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136494A (en) * | 2019-05-31 | 2019-08-16 | 重庆工业职业技术学院 | A kind of teaching display equipment |
-
2018
- 2018-09-21 CN CN201821549730.7U patent/CN208673028U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136494A (en) * | 2019-05-31 | 2019-08-16 | 重庆工业职业技术学院 | A kind of teaching display equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430000 Guanggu International Chamber of Commerce Building B-511, 2-2 Guandongyuan Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Dreamspace Atlantic Culture Development Co.,Ltd. Address before: 430000 Guanggu International Chamber of Commerce Building B-511, 2-2 Guandongyuan Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: HUBEI YATU YINXING CINEMA INVESTMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 |