CN208705652U - The automatic bracing wire of arc is stretched tight proscenia - Google Patents
The automatic bracing wire of arc is stretched tight proscenia Download PDFInfo
- Publication number
- CN208705652U CN208705652U CN201821335882.7U CN201821335882U CN208705652U CN 208705652 U CN208705652 U CN 208705652U CN 201821335882 U CN201821335882 U CN 201821335882U CN 208705652 U CN208705652 U CN 208705652U
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- Prior art keywords
- projection screen
- arc
- bracing wire
- stretch cord
- proscenia
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- 239000004744 fabric Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 230000003028 elevating effect Effects 0.000 abstract 1
- 238000003860 storage Methods 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model discloses a kind of taut proscenias of the automatic bracing wire of arc, including curtain shaft, projection screen and stretch cord；The two of projection screen are evenly distributed with a plurality of arc convex on vertical side；Arc convex is equipped with string holes, and stretch cord passes through string holes and is flexibly connected with arc convex；The upper end of projection screen is fixedly connected in curtain shaft and projection screen is gone up and down with the rotation of curtain shaft；The upper end of stretch cord is fixedly connected with curtain shaft and makees elevating movement with projection screen.In the present invention, the taut proscenia of the automatic bracing wire of the arc, including curtain shaft, projection screen and stretch cord, structure is simple, simplifies production process, reduces cost of manufacture；In addition, the setting of arc convex and stretch cord, the upper end of stretch cord is fixed in curtain shaft, is gone up and down with projection screen, in conjunction with arc convex, can making the device, projection screen avoids that edge-curl phenomenon occurs when in use, influences drop shadow effect, damages projection screen.
Description
Technical field
The utility model relates to screen of dynamoelectric projection technical field, in particular to a kind of automatic bracing wire of arc is stretched tight proscenia.
Background technique
Projector is a kind of equipment that can be projected to image or video on curtain, and projection screen be typically all can be with
Automatic lifting, projection screen is used general with projector, and projection screen is called projection screen, is generally divided into commercial curtain, family
There are many type with curtain and engineering curtain, projection screen, are divided into high, neutralization low grade, can be depending on occasion situation, and projection screen is pressed
Also divide a variety of specifications according to the difference of purposes, is generally divided into household, it is school and KTV.However tradition is electronic
The curtain of projection screen, the perspective plane left and right sides are generally straight flange, easily occur edge-curl phenomenon in use, seriously affect production
Quality and visual effect.
The prior art (CN107688277A) discloses a kind of projection screen, including projection screen recycling box and curtain, institute
The inside for stating projection screen recycling box is rotatablely connected by third shaft and curtain, and the projection screen recycling box passes through first
Shaft and dustproof film are rotatablely connected, and the bottom of the curtain is provided with storage box, and the inside of the storage box offers third
Groove, the third groove are internally provided with spring, and the spring is connect by fixture block with dustproof film, the storage box
Outside offers the first groove, and the center position that the outside of the storage box is located at the first groove is connected by a hinge and has fixation
Card, the side of the projection screen storage box are fixed with spooler pedestal, and the center position of the spooler pedestal passes through the
Two shafts and hand cranking handle are rotatablely connected, and the outside of the spooler pedestal equidistantly offers multiple second grooves, and described second
Groove is connect by convex block with spooler lid, and the spooler, which covers, offers circular through hole.The above-mentioned prior art is when in use
Easily there is projection screen two sides edge-curl phenomenon, will affect drop shadow effect, can also damage the quality of projection screen.
Utility model content
To solve the above problems, simply and can solve projection screen yardage roll the purpose of this utility model is to provide a kind of structure
The automatic bracing wire of the arc of side problem is stretched tight proscenia.
To achieve the above object, the technical solution of the utility model is as follows.
The utility model provides a kind of taut proscenia of the automatic bracing wire of arc, including curtain shaft, projection screen and stretch cord；
The two of the projection screen are evenly distributed with a plurality of arc convex on vertical side；The arc convex is equipped with string holes, and
The stretch cord passes through the string holes and is flexibly connected with the arc convex；The upper end of the projection screen is fixedly connected on described
In curtain shaft and the projection screen is gone up and down with the rotation of the curtain shaft；The upper end of the stretch cord and curtain
Shaft is fixedly connected and moves up and down with projection screen.In the present invention, the taut proscenia of the automatic bracing wire of the arc, including
Curtain shaft, projection screen and stretch cord, structure is simple, simplifies production process, reduces cost of manufacture；In addition, arc convex and
The upper end of stretch cord is fixed in curtain shaft, goes up and down with projection screen by the setting of stretch cord, can in conjunction with arc convex
Making the device, projection screen avoids that edge-curl phenomenon occurs when in use, influences drop shadow effect, damages projection screen.
Specifically, the two of the projection screen vertical sides are arc-shaped side.The side of projection screen is set as arc-shaped side, is
By fabric dividing by rule in the way of, this fabric dividing mode can in such a way that solve to use on the market very well is cut into straight flange bring curtain
The easy curling problems in face；In addition, such setting can also promote the overall aesthetic of product, visual effect is promoted.
Specifically, which further includes housing main body, and the housing main body is equipped with to be opened for the projection screen is movable
Mouthful, and the curtain shaft is fixedly mounted in housing main body.The setting of housing main body can be used for protecting curtain shaft and curtain.
Specifically, the housing main body is equipped with trapezoidal barb.Trapezoidal barb is set in housing main body, it can will be entire
Device hang on the ceiling, and by its when not in use hide on the ceiling, easily with it is indoor decoration combine together, for
Family provides more more options.
Specifically, motor is also equipped in the housing main body, and the motor and the curtain shaft are drivingly connected.Electricity
The function of auto-lift of the device can be achieved in the setting of machine, and when in use, user can be used remote controler and be remotely controlled, and uses
It is convenient.
Specifically, it is provided with pull rod shaft below the projection screen, and the two is fixedly connected.Setting below projection screen
Pull rod shaft is in order to avoid causing to fill because motor drives projection screen that projection screen is directly involved in housing main body when rising
The damage set；In addition, the setting of pull rod shaft can also make projection screen when in use since gravity fully opens and evens up.
Specifically, the both ends of the pull rod shaft are equipped with end cap, and bracing wire component is equipped with inside the end cap；The stay wire groups
Part includes threaded rod and threaded hole；The threaded hole is fixedly mounted on inside the end cap, and the threaded rod passes through the end cap
It is connect with the threaded hole spiral and can positive and negative rotation；The end of the stretch cord is fixedly connected with the threaded rod and the bullet
Power rope is with the rotation of threaded rod around the threaded rod activity.When in use, stretch cord can be made around screw thread by rotating threaded rod
Bar activity, to tense stretch cord.
The advantage of the utility model is: compared with the prior art, automatic using a kind of arc in the utility model
Bracing wire is stretched tight proscenia, including curtain shaft, projection screen and stretch cord；The two of the projection screen are uniformly distributed on vertical side
There are a plurality of arc convex；The arc convex is equipped with string holes, and the stretch cord passes through the string holes and the arc is convex
It rises and is flexibly connected；The upper end of the projection screen is fixedly connected in the curtain shaft and the projection screen is with the curtain
The rotation of shaft and gone up and down；The upper end of the stretch cord is fixedly connected with curtain shaft and does lifting fortune with projection screen
It is dynamic.In the present invention, the taut proscenia of the automatic bracing wire of the arc, including curtain shaft, projection screen and stretch cord, structure letter
It is single, simplify production process, reduces cost of manufacture；In addition, the setting of arc convex and stretch cord, the upper end of stretch cord is fixed on
It in curtain shaft, is gone up and down with projection screen, in conjunction with arc convex, can making the device, projection screen avoids rolling up when in use
Side phenomenon influences drop shadow effect, damages projection screen.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the taut proscenia of the automatic bracing wire of the utility model arc.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
To achieve the above object, the technical solution of the utility model is as follows.
Referring to Fig. 1, the utility model provides a kind of automatic bracing wire of arc and stretches tight proscenia, including curtain shaft (not shown),
Projection screen 1 and stretch cord 2；A plurality of arc convex 3 are evenly distributed on the vertical side of the two of projection screen 1；Arc convex 3
It is equipped with string holes (not shown), and stretch cord 2 passes through string holes and is flexibly connected with arc convex 3；The upper end of projection screen 1 is fixed to be connected
It connects in curtain shaft and projection screen 1 is gone up and down with the rotation of curtain shaft；The upper end of stretch cord 2 and curtain shaft are solid
It is fixed to connect and moved up and down with projection screen 1.In the present invention, the taut proscenia of the automatic bracing wire of the arc, including curtain
Shaft, projection screen 1 and stretch cord 2, structure is simple, simplifies production process, reduces cost of manufacture；In addition, arc convex 3 and bullet
The upper end of stretch cord 2 is fixed in curtain shaft by the setting of power rope 2, is gone up and down with projection screen 1, in conjunction with arc convex 3,
Can making the device, projection screen 1 avoids that edge-curl phenomenon occurs when in use, influences drop shadow effect, damages projection screen.
In the present embodiment, the two of projection screen 1 vertical sides are arc-shaped side.The side of projection screen 1 is set as arc
Side, be by fabric dividing by rule in the way of, this fabric dividing mode can in such a way that solve to use on the market very well is cut into straight flange band
The easy curling problems in curtain face come；In addition, such setting can also promote the overall aesthetic of product, visual effect is promoted.
In the present embodiment, which further includes housing main body 4, and housing main body 4 is equipped with and opens for projection screen is movable
Mouthful, and curtain shaft is fixedly mounted in housing main body 4.The setting of housing main body 4 can be used for protecting curtain shaft and projection screen
Cloth 1.
In the present embodiment, housing main body 4 is equipped with trapezoidal barb 41.Trapezoidal barb 41 is set in housing main body 4, it can
With by whole device suspension on the ceiling, and by its when not in use hide on the ceiling, easily with it is indoor decoration melt for
One, provides more more options for user.
In the present embodiment, motor (not shown) is also equipped in housing main body 4, and motor and the driving of curtain shaft connect
It connects.The function of auto-lift of the device can be achieved in the setting of motor, and when in use, and it is distant that remote controler progress can be used in user
Control, it is easy to use.
In the present embodiment, the lower section of projection screen 1 is provided with pull rod shaft 5, and the two is fixedly connected.Under projection screen 1
Setting pull rod shaft 5 in side's is in order to avoid because motor drives projection screen 1 that projection screen 1 is directly involved in housing master when rising
Body 4 causes the damage of device；In addition, the setting of pull rod shaft can also make projection screen when in use since gravity fully opens and
It evens up.
In the present embodiment, the both ends of pull rod shaft 5 are equipped with end cap 6, and bracing wire component (not shown) is equipped with inside end cap 6；
Bracing wire component includes threaded rod (not shown) and threaded hole (not shown)；Threaded hole is fixedly mounted on inside end cap 6, and threaded rod is worn
End cap is crossed to connect with 6 spiral of threaded hole and can positive and negative rotation；The end of stretch cord 2 be fixedly connected with threaded rod and stretch cord 2 with
The rotation of threaded rod is around threaded rod activity.When in use, stretch cord 2 can be made movable around threaded rod by rotating threaded rod, from
And tense stretch cord.
The advantage of the utility model is: compared with the prior art, automatic using a kind of arc in the utility model
Bracing wire is stretched tight proscenia, including curtain shaft (not shown), projection screen 1 and stretch cord 2；On the vertical side of the two of projection screen 1
It is evenly distributed with a plurality of arc convex 3；Arc convex 3 is equipped with string holes, and stretch cord 2 passes through string holes and arc convex 3 is living
Dynamic connection；The upper end of projection screen 1 is fixedly connected in curtain shaft and projection screen 1 is risen with the rotation of curtain shaft
Drop；The upper end of stretch cord 2 is fixedly connected with curtain shaft and moves up and down with projection screen 1.In the present invention, the arc
The automatic bracing wire of shape is stretched tight proscenia, including curtain shaft, projection screen 1 and stretch cord 2, and structure is simple, simplifies production process, is reduced
Cost of manufacture；In addition, the setting of arc convex 3 and stretch cord 2, the upper end of stretch cord 2 is fixed in curtain shaft, with projection
Curtain 1 is gone up and down, and in conjunction with arc convex 3, can making the device, projection screen 1 avoids that edge-curl phenomenon occurs when in use, influences to throw
Shadow effect damages projection screen.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (7)
- The proscenia 1. a kind of automatic bracing wire of arc is stretched tight, which is characterized in that the device includes curtain shaft, projection screen and elastic force Rope；The two of the projection screen are evenly distributed with a plurality of arc convex on vertical side；The arc convex is equipped with string holes, And the stretch cord passes through the string holes and is flexibly connected with the arc convex；The upper end of the projection screen is fixedly connected on institute It states in curtain shaft and the projection screen is gone up and down with the rotation of the curtain shaft；The upper end of the stretch cord and curtain Cloth shaft is fixedly connected and moves up and down with projection screen.
- The proscenia 2. a kind of automatic bracing wire of arc as described in claim 1 is stretched tight, which is characterized in that the two of the projection screen are perpendicular Straight sided is arc-shaped side.
- The proscenia 3. a kind of automatic bracing wire of arc as described in claim 1 is stretched tight, which is characterized in that the device further includes housing master Body, the housing main body, which is equipped with, supplies the movable opening of the projection screen, and the curtain shaft is fixedly mounted on housing master In vivo.
- The proscenia 4. a kind of automatic bracing wire of arc as claimed in claim 3 is stretched tight, which is characterized in that the housing main body is equipped with Trapezoidal barb.
- The proscenia 5. a kind of automatic bracing wire of arc as claimed in claim 3 is stretched tight, which is characterized in that also pacify in the housing main body Equipped with motor, and the motor and the curtain shaft are drivingly connected.
- The proscenia 6. a kind of automatic bracing wire of arc as described in claim 1 is stretched tight, which is characterized in that the lower section of the projection screen It is provided with pull rod shaft, and the two is fixedly connected.
- The proscenia 7. a kind of automatic bracing wire of arc as claimed in claim 6 is stretched tight, which is characterized in that the both ends of the pull rod shaft are set There is end cap, and is equipped with bracing wire component inside the end cap；The bracing wire component includes threaded rod and threaded hole；The threaded hole is solid Inside the end cap, the threaded rod connect with the threaded hole spiral across the end cap and can positive and negative rotation for Dingan County； The end of the stretch cord is fixedly connected with the threaded rod and the stretch cord is living around the threaded rod with the rotation of threaded rod It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335882.7U CN208705652U (en) | 2018-08-18 | 2018-08-18 | The automatic bracing wire of arc is stretched tight proscenia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335882.7U CN208705652U (en) | 2018-08-18 | 2018-08-18 | The automatic bracing wire of arc is stretched tight proscenia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208705652U true CN208705652U (en) | 2019-04-05 |
Family
ID=65943634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821335882.7U Active CN208705652U (en) | 2018-08-18 | 2018-08-18 | The automatic bracing wire of arc is stretched tight proscenia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208705652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023011052A1 (en) * | 2021-08-03 | 2023-02-09 | 青岛海信激光显示股份有限公司 | Projection device and projection screen |
-
2018
- 2018-08-18 CN CN201821335882.7U patent/CN208705652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023011052A1 (en) * | 2021-08-03 | 2023-02-09 | 青岛海信激光显示股份有限公司 | Projection device and projection screen |
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