CN110376838A - A kind of horizontal folding electric screen - Google Patents

A kind of horizontal folding electric screen Download PDF

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Publication number
CN110376838A
CN110376838A CN201910710963.3A CN201910710963A CN110376838A CN 110376838 A CN110376838 A CN 110376838A CN 201910710963 A CN201910710963 A CN 201910710963A CN 110376838 A CN110376838 A CN 110376838A
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CN
China
Prior art keywords
curtain
core pipe
portal frame
folding electric
electric screen
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.)
Granted
Application number
CN201910710963.3A
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Chinese (zh)
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CN110376838B (en
Inventor
欧阳卫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Jiuyu Display Technology Co Ltd
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Jiangsu Jiuyu Display Technology Co Ltd
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Priority to CN201910710963.3A priority Critical patent/CN110376838B/en
Publication of CN110376838A publication Critical patent/CN110376838A/en
Application granted granted Critical
Publication of CN110376838B publication Critical patent/CN110376838B/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • G03B21/56Projection screens
    • G03B21/58Projection screens collapsible, e.g. foldable; of variable area

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Abstract

The present invention relates to electric curtain technical field, specifically a kind of to move horizontally folding electric screen, including curtain and curtain core pipe, in curtain core pipe, the other end is connect the one ends wound of the curtain with portal frame;Torsional spring is arranged in the inner cavity of the curtain core pipe, the both ends of the core pipe are connect with support guide platform activity;The support platform is provided with one group of rail set vertical with the curtain core pipe, the both ends of the portal frame, which are provided with, passes through the portal frame motor driven that is set in the portal frame with the matched driving wheel of the rail set, the driving wheel.Present apparatus deft design, can accurately control the opening and recycling of curtain, and will not be that curtain deforms, and drop shadow effect is good, be suitble to roof and ground is hanging and the scenes such as displaying sand table projects use.

Description

A kind of horizontal folding electric screen
Technical field
The present invention relates to electric curtain technical fields more particularly to one kind to move horizontally folding electric screen.
Background technique
Currently, be suitable for deck or ground and show sand table projection screen be all it is fixed, adopt more The screen of the structures such as taut curtain or glass the patch curtain with frame-type or form, this traditional structure or form have following deficiency:
One, benefit inconvenient for use because screen be it is fixed, if screen is mounted on rooftop position, seriously affect indoor lighting and Ventilation.
Two, it can not effectively be imaged, need to project above sand table as shown, sand table itself is colored three-dimensional model, nothing The effective projection imaging of method.
Summary of the invention
It is an object of the invention to overcome above-mentioned problem of the prior art, provides one kind and moves horizontally folding electric screen, By support platform a horizontal curtain retracting platform is set up in rail set, one end of curtain with support platform by connecting The other end of the connection of curtain core pipe, curtain can be connected by one along the portal frame that rail set moves horizontally, and pass through gantry Frame driving device drives curtain along horizontal opening, and the drive that works asynchronously of driving device and portal frame driving device is wound by curtain Dynamic curtain is along horizontal recycling.
Above-mentioned purpose is to be achieved through the following technical solutions:
One kind moving horizontally folding electric screen, including curtain and curtain core pipe, and the one ends wound of the curtain is in curtain core pipe, separately One end is connect with portal frame;Torsion spring device, the both ends of the curtain core pipe and support are arranged in the inner cavity of the curtain core pipe Platform activity connection;The support platform is provided with one group of rail set vertical with the curtain core pipe, the portal frame Both ends be provided with and pass through gantry for being set in the portal frame with the matched driving wheel of the rail set, the driving wheel Frame motor driven.
Further, the support platform includes symmetrical the first support platform and the second support platform, is pacified respectively Equipped with symmetrical curtain core pipe bracket and circular shaft bracket, one end activity of the curtain core pipe bracket and the core pipe connects It connects, the circular shaft bracket is fixedly connected with the torsion spring device, and curtain winding is equipped in first support platform Driving device.
Further, the torsion spring device includes the runner fixed with the curtain core pipe inner wall, the side of the runner Be connected with circular shaft, torsional spring be arranged on the circular shaft, one end of the torsional spring is connect with the runner, the other end with it is described Circular shaft axle center is fixed, and the round the tip of the axis is connect with the circular shaft bracket.
Further, the curtain winding driving device includes the tensioning motor being installed in first support platform, The tensioning motor is connect by electromagnetic clutch with first gear, and the first gear is by chain and is sheathed on the core pipe The second gear of end connects.
It further, further include the Tension gear being generally aligned in the same plane with the first gear, the second gear, The first gear, the second gear and the Tension gear are connected by the chain.
It further, further include curtain support device, the curtain support device is installed on the lower section of the curtain, with institute It is parallel to state rail set, and is stretched through portal frame driving.
Further, the curtain support device includes the wirerope of several groups both ends extension spring connection, the drawing The other end for stretching spring is connected with sliding with rolling wheels device, the sliding with rolling wheels device and the dark rail being set on the rail set Matching.
Further, limit rope is connected between positioned at the same end per the adjacent sliding with rolling wheels device.
Further, the driving wheel is transmission gear, corresponding, is provided on the rail set and the driving cog Take turns matched transmission gear track;The transmission gear is described by being set to the intracorporal transmission axis connection of the portal frame chamber It is connect by meshing gear group with portal frame motor on transmission shaft.
Further, the meshing gear group include be sheathed on the transmission shaft gear wheel and with the portal frame motor Shaft connection pinion gear, the gear wheel can be intermeshed with the pinion gear.
Further, rail slider, the rail slider and setting are separately installed at the bottom both ends of the portal frame Track runner matching on the inside of the rail set.
Further, the tensioning motor, the portal frame motor are controlled by external control system and are managed.
Further, it is mounted on optoelectronic switch that is removable and positioning in the initial segment of the rail set, end, used In the opening state of detection curtain.
Beneficial effect
One kind provided by the present invention moves horizontally folding electric screen, sets up a horizontal curtain in rail set by support platform One end of cloth retracting platform, curtain is connected by the curtain core pipe connecting with support platform, and the other end of curtain can by one The portal frame connection moved horizontally along rail set, drives curtain along opening is moved horizontally, leads to by portal frame driving device It crosses curtain winding driving device and moves horizontally recycling with the driving curtain edge that works asynchronously of portal frame driving device.Present apparatus design Exquisiteness, can accurately control the opening and recycling of curtain, and will not be that curtain deforms, and drop shadow effect is good, be suitble to roof, ground Vacantly equal projection scene uses in face.
Detailed description of the invention
Fig. 1 is a kind of side view of horizontal folding electric screen of the present invention;
Fig. 2 is a kind of perspective view of horizontal folding electric screen of the present invention;
Fig. 3 is a kind of top view of horizontal folding electric screen of the present invention;
Fig. 4 is that a kind of curtain of horizontal folding electric screen of the present invention winds driving device structure schematic diagram;
Fig. 5 is a kind of portal frame schematic diagram of internal structure of horizontal folding electric screen of the present invention;
Fig. 6 is the enlarged drawing of A in Fig. 5;
Fig. 7 is a kind of torsion spring device structural schematic diagram of horizontal folding electric screen of the present invention.
Specific embodiment
The present invention will be further described in detail below based on the drawings and embodiments.
As shown in figures 1 to 6, a kind of horizontal folding electric screen, including curtain 1 and curtain core pipe 2, one end of the curtain 1 twine It is around on the ontology of curtain core pipe 2, the other end is connect with portal frame 3;It is arranged with torsional spring 2-1 in the inner cavity of the curtain core pipe 2, (being not marked in figure), specifically, 1 middle position of curtain sometimes can be recessed in the presence of loosening after curtain 1 expands horizontally, into And will affect the drop shadow effect of curtain 1, the introducing of core pipe torsional spring, so that curtain 1 will form the drawing of an opposite direction after being unfolded Power, and then have the function that tighten curtain 1.The both ends of the curtain core pipe 2 are flexibly connected with support platform 4;Along the support Platform 4 is provided with one group of rail set 5 vertical with the curtain core pipe 2, and the both ends of the portal frame 3 are provided with and the rail Road device 5 matched driving wheel 3-1, the driving wheel 3-1 are driven by the portal frame motor 3-2 being set in the portal frame 3 It is dynamic.
Specifically, as shown in fig. 7, the torsion spring device 2-1 includes the runner 2- fixed with 2 inner wall of curtain core pipe 12, the side of the runner 2-12 is connected with circular shaft 2-11, and torsional spring 2-13, the torsional spring are arranged on the circular shaft 2-11 One end of 2-13 is connect with the runner 2-23, and the axle center of the other end and the circular shaft 2-11 is fixed, the end of the circular shaft 2-11 End is connect with the support platform 4.The support platform includes symmetrical the first support platform and the second support platform, is divided Symmetrical curtain core pipe bracket and circular shaft bracket, one end activity of the curtain core pipe bracket and the core pipe are not installed Connection, the circular shaft bracket are fixedly connected with one end of the circular shaft, and curtain winding is equipped in first support platform Driving device
The support platform 4 includes symmetrical the first support platform 4-1 and the second support platform 4-2, is separately installed with phase Mutually symmetrical curtain core pipe bracket 4-11 and circular shaft bracket 4-21, the curtain core pipe bracket 4-11 and the curtain core pipe 2 One end is flexibly connected, and the circular shaft bracket 4-21 is fixedly connected with the circular shaft 2-11's, and in the first support platform 4-1 Curtain winding driving device 6 is installed.In the present embodiment, the junction of the curtain core pipe 2 and curtain core pipe bracket 4-11 covers Equipped with bearing holder (housing, cover), in this way, curtain core pipe 2 can be done clockwise or counterclockwise relative to curtain core pipe bracket 4-11.Work as curtain Torsional spring 2-13 automatic tightening generates the torsion of opposite direction when core pipe 2 rotates.
As shown in figure 4, the curtain winding driving device 6 includes the tensioning being installed in the first support platform 4-1 Motor 6-1, the tensioning motor 6-1 are connect by electromagnetic clutch 6-2 with first gear 6-3, and the first gear 6-3 passes through Chain 6-4 is connect with the second gear 6-4 for being sheathed on 2 end of curtain core pipe.The first support platform 4-1 and the curtain It is provided with interconnected cavity in cloth wick pipe holder 4-11, the seat slot that can be used for fixed tensioning motor 6-1 is provided in cavity, The first gear 6-3 is connected by one end of gear shaft, and the other end of gear shaft is arranged with electromagnetic clutch 6-2, and with institute State tensioning motor 6-1 connection.When needing to open curtain 1, portal frame 3 drives 1 edge of curtain under the driving of portal frame motor 3-2 Rail set 5 does horizontal advance movement, meanwhile, electromagnetic clutch 6-2 is in close state, and is tensioned motor 6-1 and first gear The connection of 6-3 is in an off state, and curtain core pipe 2 is under the pulling of curtain 1, relative to curtain core pipe bracket 4-11 and circular shaft branch Frame 4-21 makes rotating motion, at this point, first gear 6-3 is done synchronization by the driving for the second gear 6-4 connecting with curtain core pipe 2 Movement, until electromagnetic clutch 6-2 is in the open state after curtain 1 fully opens, at tensioning motor 6-1 and first gear 6-3 In connection status, motor rotary work, driving curtain core pipe 2 does the rotation opposite with opening, and Lai Shixian curtain 1 is persistently opened Tightly.When curtain needs to recycle, electromagnetic clutch 6-2 is in the open state, is tensioned the connection of motor 6-1 and first gear 6-3, And first gear 6-3 can be driven to reversely rotate, and then curtain core pipe 2 is driven to reversely rotate, the tensile force of curtain 1 is discharged, After the tensile force of curtain 1 all discharges, electromagnetic clutch 6-2 is in an off state, and portal frame motor 3-2 starts to make at this time Reversed recycling rotation, and portal frame 3 is driven to move backward to recycling, curtain 1 is multiple by the torsional spring 2-13 inside curtain core pipe 2 The realization of torsion rotating curtain core pipe 2 that position is formed is recovered in curtain core pipe 1, to realize the winding of screen.
It further include one and the first gear 6-3, second tooth as the optimization of this curtain winding driving device 6 The Tension gear 6-6(gear that wheel 6-4 is generally aligned in the same plane is installed in the cavity of curtain core pipe bracket 4-11, can effectively be prevented Only skid in chain 6-5 motion process), the first gear 6-3, the second gear 6-4 and the Tension gear 6-6 pass through The chain 6-5 connection.
As shown in figure 3, the horizontal opening face due to curtain 1 is bigger, influenced, is had over time recessed by self gravity Situation occur, and then influence drop shadow effect, for this purpose, embodiment adds curtain support device 7, the curtain support device 7 are installed on the lower section of the horizontal position of the curtain 1, parallel with the rail set 5, and are stretched through the portal frame 3 driving.
Specifically, the curtain support device 7 (is not marked including the wirerope that several groups both ends are connected with extension spring in figure Note), the other end of the extension spring (being not marked in figure) is connected with sliding with rolling wheels device (being not marked in figure), and the idler wheel is sliding Luggage is set to be matched with the dark rail 5-3 being set on the rail set, positioned at the same end per the adjacent sliding with rolling wheels device Between be connected with limit rope.The knot of similar beam is formed under the support of two sides extension spring with the identical wirerope of several length Structure, is used to support the curtain 1 on surface, and then curtain 1 can be effectively prevent to lead to intermediate recessed, the drawing of every side because of long-time opening It stretches spring and all passes through sliding with rolling wheels device and connect, sliding with rolling wheels device can do level along the dark rail 5-3 being set on rail set 5 To movement (structure of similar curtain roller and slide bar), and pass through the limit rope of same size between every adjacent rollers skid Achieve the purpose that mutually to pull, the sliding with rolling wheels device positioned at front end is connect with portal frame 3, when portal frame 3 is in portal frame electricity When doing horizontal advance movement under machine 3-2 driving, first sliding with rolling wheels device can be pulled to travel forward, when first sliding with rolling wheels When the distance between device and second sliding with rolling wheels device reach the length of limit rope, second sliding with rolling wheels device is also by band It is dynamic to move horizontally, it circuits sequentially.When portal frame 3 does horizontal setback under portal frame motor 3-2 driving, can push First sliding with rolling wheels device moves backward, when the distance between first sliding with rolling wheels device and second sliding with rolling wheels device When reaching zero, second sliding with rolling wheels device, which is also driven, does horizontal setback, circuits sequentially.
As it can be seen in figures 5 and 6, the driving wheel 3-1 is transmission gear, and it is corresponding, it is provided on the rail set 5 and institute Stating the matched transmission gear track of transmission gear 3-1, (rail set 5 includes as a symmetrical first track frame that is parallel to each other 5-1 and the second track frame 5-2, the first track frame 5-1 and the second track frame 5-2 are separately installed with and the driving wheel 3-1 Matched first transmission wheel track 5-11 and the second transmission wheel track 5-21);The transmission gear is by being set to described gantry The intracorporal transmission shaft 3-3 connection of frame chamber is connect on the transmission shaft 3-3 with portal frame motor 3-2 by meshing gear group 3-4.
Specifically, the meshing gear group 3-4 include be sheathed on the transmission shaft 3-3 gear wheel 3-41 and with the dragon The pinion gear 3-42 of the shaft connection of gantry motor 3-2, the gear wheel 3-41 can be intermeshed with the pinion gear 3-42.Institute It states portal frame motor 3-2 to be fixed in the cavity of the portal frame 3, the transmission shaft 3-3 passes through bearing block set and portal frame chamber Body is fixed.When portal frame motor 3-2 work, transmission shaft 3-3 can be driven to do relative to portal frame and moved clockwise or counterclockwise, And then drive the driving wheel 3-1 for being set to the both ends transmission shaft 3-3 along the first transmission wheel track 5-11 and the second transmission wheel track 5- 21 do synchronization moves clockwise or counterclockwise, achievees the purpose that open curtain 1 and winds curtain 1.
As advanced optimizing for the present embodiment, rail slider 3- is separately installed at the bottom both ends of the portal frame 3 5, the rail slider 3-5 and be set to the rail set 5(i.e. the first track frame 5-1 and the second track frame 5-2) on the inside of Track runner 5-4 matching, can effectively support portal frame 3 to move horizontally.
The tensioning motor 6-1, the portal frame motor 3-2 in above-described embodiment pass through external control system control Management.
In order to reach the status information of real-time curtain 1, photoelectricity is mounted in the initial segment of the rail set 5, end Switch, for detecting the opening state of curtain and being sent to external control system to signal.
It the foregoing is merely embodiments of the present invention are illustrated, is not intended to restrict the invention, for the technology of this field For personnel, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on be should be included in Within protection scope of the present invention.

Claims (10)

1. one kind moves horizontally folding electric screen, including curtain and curtain core pipe, which is characterized in that the one ends wound of the curtain In curtain core pipe, the other end is connect with portal frame;Torsion spring device, the curtain core pipe are arranged in the inner cavity of the curtain core pipe Both ends be flexibly connected with support platform;The support platform is provided with one group of track dress vertical with the curtain core pipe Set, the both ends of the portal frame be provided with the matched driving wheel of the rail set, the driving wheel is described by being set to Portal frame motor driven in portal frame.
2. one kind according to claim 1 moves horizontally folding electric screen, which is characterized in that the support platform includes phase Mutual symmetrical first support platform and the second support platform, are separately installed with symmetrical curtain core pipe bracket and circular shaft branch Frame, the curtain core pipe bracket are flexibly connected with one end of the core pipe, and the circular shaft bracket and the torsion spring device are solid Fixed connection, and curtain winding driving device is installed in first support platform.
3. one kind according to claim 2 moves horizontally folding electric screen, which is characterized in that the torsion spring device include with The fixed runner of the curtain core pipe inner wall, the side of the runner are connected with circular shaft, are arranged with torsional spring on the circular shaft, One end of the torsional spring is connect with the runner, and the other end is fixed with the circular shaft axle center, the round the tip of the axis and the circle Bracing strut connection.
4. one kind according to claim 2 moves horizontally folding electric screen, which is characterized in that the curtain winding driving dress The tensioning motor including being installed in first support platform is set, the tensioning motor passes through electromagnetic clutch and first gear Connection, the first gear are connect by chain with the second gear for being sheathed on the core pipe end.
5. one kind according to claim 1 moves horizontally folding electric screen, which is characterized in that further include curtain support dress It sets, the curtain support device is installed on the lower section of the curtain, and it is parallel with the rail set, and driven by the portal frame It is dynamic to stretch.
6. one kind according to claim 4 moves horizontally folding electric screen, which is characterized in that the curtain support device packet The wirerope of several groups both ends extension spring connection is included, the other end of the extension spring is connected with sliding with rolling wheels device, institute It states sliding with rolling wheels device and is matched with the dark rail being set on the rail set.
7. one kind according to claim 6 moves horizontally folding electric screen, which is characterized in that positioned at the same end per adjacent Limit rope is connected between the sliding with rolling wheels device.
8. one kind according to claim 1 moves horizontally folding electric screen, which is characterized in that the driving wheel is driving cog Wheel, it is corresponding, it is provided on the rail set and the matched transmission gear track of the transmission gear;The transmission gear is logical It crosses and is set to the intracorporal transmission axis connection of the portal frame chamber, connected on the transmission shaft by meshing gear group and portal frame motor It connects.
9. one kind according to claim 1 moves horizontally folding electric screen, which is characterized in that in the bottom of the portal frame Both ends are separately installed with rail slider, and the rail slider is matched with the track runner being set on the inside of the rail set.
10. moving horizontally folding electric screen according to one kind described in claim 4 and 8, which is characterized in that the tensioning motor, The portal frame motor is controlled by external control system and is managed.
CN201910710963.3A 2019-08-02 2019-08-02 Electric curtain capable of being opened and closed horizontally Active CN110376838B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910710963.3A CN110376838B (en) 2019-08-02 2019-08-02 Electric curtain capable of being opened and closed horizontally

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910710963.3A CN110376838B (en) 2019-08-02 2019-08-02 Electric curtain capable of being opened and closed horizontally

Publications (2)

Publication Number Publication Date
CN110376838A true CN110376838A (en) 2019-10-25
CN110376838B CN110376838B (en) 2024-01-05

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120040292A (en) * 2010-10-19 2012-04-27 (주)한국윈텍 Dual roll blind
CN105425525A (en) * 2016-01-14 2016-03-23 江苏久誉显示科技有限公司 Ultra-large downward-rolling type electric elevating screen
WO2016082065A1 (en) * 2014-11-24 2016-06-02 潘有程 Portable circular-screen projection device
CN205301800U (en) * 2016-01-14 2016-06-08 江苏久誉显示科技有限公司 Underwind electric lift screen of extra -large -size
CN205958916U (en) * 2016-07-25 2017-02-15 Tcl集团股份有限公司 Telescopic ground draw curtain cloth
CN207065009U (en) * 2017-07-21 2018-03-02 潍坊歌尔电子有限公司 Projection curtain device and audio amplifier
CN107765502A (en) * 2017-12-07 2018-03-06 合肥惠科金扬科技有限公司 Projection screen device
CN109164671A (en) * 2018-11-02 2019-01-08 张家港市莱特影视器材有限公司 A kind of underwind electric curtain
CN208705653U (en) * 2018-08-22 2019-04-05 深圳博爵文创新媒体科技有限公司 A kind of ground curtain intelligence projection arrangement
CN208705654U (en) * 2018-08-22 2019-04-05 深圳博爵文创新媒体科技有限公司 A kind of curtain last volume automatic open/closing device
CN210323752U (en) * 2019-08-02 2020-04-14 江苏久誉显示科技有限公司 Horizontal opening and closing electric curtain

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120040292A (en) * 2010-10-19 2012-04-27 (주)한국윈텍 Dual roll blind
WO2016082065A1 (en) * 2014-11-24 2016-06-02 潘有程 Portable circular-screen projection device
CN105425525A (en) * 2016-01-14 2016-03-23 江苏久誉显示科技有限公司 Ultra-large downward-rolling type electric elevating screen
CN205301800U (en) * 2016-01-14 2016-06-08 江苏久誉显示科技有限公司 Underwind electric lift screen of extra -large -size
CN205958916U (en) * 2016-07-25 2017-02-15 Tcl集团股份有限公司 Telescopic ground draw curtain cloth
CN207065009U (en) * 2017-07-21 2018-03-02 潍坊歌尔电子有限公司 Projection curtain device and audio amplifier
CN107765502A (en) * 2017-12-07 2018-03-06 合肥惠科金扬科技有限公司 Projection screen device
CN208705653U (en) * 2018-08-22 2019-04-05 深圳博爵文创新媒体科技有限公司 A kind of ground curtain intelligence projection arrangement
CN208705654U (en) * 2018-08-22 2019-04-05 深圳博爵文创新媒体科技有限公司 A kind of curtain last volume automatic open/closing device
CN109164671A (en) * 2018-11-02 2019-01-08 张家港市莱特影视器材有限公司 A kind of underwind electric curtain
CN210323752U (en) * 2019-08-02 2020-04-14 江苏久誉显示科技有限公司 Horizontal opening and closing electric curtain

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