CN110376838B - Electric curtain capable of being opened and closed horizontally - Google Patents
Electric curtain capable of being opened and closed horizontally Download PDFInfo
- Publication number
- CN110376838B CN110376838B CN201910710963.3A CN201910710963A CN110376838B CN 110376838 B CN110376838 B CN 110376838B CN 201910710963 A CN201910710963 A CN 201910710963A CN 110376838 B CN110376838 B CN 110376838B
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- curtain
- portal frame
- gear
- core tube
- support
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- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 239000004576 sand Substances 0.000 abstract description 4
- 238000003384 imaging method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity 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
- 238000011084 recovery Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
Abstract
The invention relates to the technical field of electric curtains, in particular to a horizontally movable opening and closing electric curtain which comprises a curtain and a curtain core pipe, wherein one end of the curtain is wound on the curtain core pipe, and the other end of the curtain is connected with a portal frame; a torsion spring is sleeved in the inner cavity of the curtain core tube, and two ends of the core tube are movably connected with the supporting and guiding platform; the support platform is provided with a group of track devices perpendicular to the curtain core tube, two ends of the portal frame are provided with driving wheels matched with the track devices, and the driving wheels are driven by a portal frame motor arranged in the portal frame. The device is exquisite in design, can be accurate open and retrieve of control curtain, and can not be that the curtain takes place to warp, and projection effect is good, is fit for scene such as roof and ground unsettled and show sand table projection and uses.
Description
Technical Field
The invention relates to the technical field of electric curtains, in particular to a horizontally moving opening and closing electric curtain.
Background
At present, the screens suitable for imaging projection of a roof surface or ground surface and a display sand table are fixed, and the screens adopting structures or forms such as frame type screens or glass screens are mostly used, and the traditional structures or forms have the following defects:
1. the use is inconvenient because the screen is fixed, for example, the screen is arranged on a roof position, and indoor lighting and ventilation are seriously affected.
2. The imaging cannot be effectively performed, if projection is needed on the sand table, the sand table is a colorful three-dimensional model, and the imaging cannot be effectively performed.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a horizontal moving opening and closing electric curtain, wherein a horizontal curtain retraction platform is erected on a track device through a supporting platform, one end of the curtain is connected with a curtain core pipe connected with the supporting platform, the other end of the curtain is connected with a portal frame capable of horizontally moving along the track device, the curtain is driven to horizontally open by a portal frame driving device, and the curtain is driven to horizontally recycle by synchronous work of a curtain rolling driving device and the portal frame driving device.
The above purpose is realized by the following technical scheme:
the horizontally moving opening and closing electric curtain comprises a curtain and a curtain core pipe, wherein one end of the curtain is wound on the curtain core pipe, and the other end of the curtain is connected with a portal frame; a torsion spring device is sleeved in the inner cavity of the curtain core tube, and two ends of the curtain core tube are movably connected with the supporting platform; the support platform is provided with a group of track devices perpendicular to the curtain core tube, two ends of the portal frame are provided with driving wheels matched with the track devices, and the driving wheels are driven by a portal frame motor arranged in the portal frame.
Further, the supporting platform comprises a first supporting platform and a second supporting platform which are symmetrical to each other, a curtain core pipe support and a round shaft support which are symmetrical to each other are respectively installed, the curtain core pipe support is movably connected with one end of the core pipe, the round shaft support is fixedly connected with the torsion spring device, and a curtain winding driving device is installed in the first supporting platform.
Further, the torsion spring device comprises a rotating wheel fixed on the inner wall of the curtain core tube, one side of the rotating wheel is movably connected with a circular shaft, a torsion spring is sleeved on the circular shaft, one end of the torsion spring is connected with the rotating wheel, the other end of the torsion spring is fixed on the axis of the circular shaft, and the tail end of the circular shaft is connected with the circular shaft support.
Further, the curtain rolling driving device comprises a tensioning motor arranged in the first supporting platform, the tensioning motor is connected with a first gear through an electromagnetic clutch, and the first gear is connected with a second gear sleeved at the end part of the core tube through a chain.
Further, the chain tensioner further comprises a tensioning gear which is located on the same plane with the first gear and the second gear, and the first gear, the second gear and the tensioning gear are connected through the chain.
Further, the curtain support device is arranged below the curtain, is parallel to the track device and is driven to stretch through the portal frame.
Further, the curtain support device comprises a plurality of groups of steel wire ropes with two ends connected through extension springs, the other ends of the extension springs are connected with roller sliding devices, and the roller sliding devices are matched with hidden rails arranged on the rail devices.
Further, a limiting rope is connected between every two adjacent roller sliding devices at the same end.
Further, the driving wheel is a driving gear, and a driving gear track matched with the driving gear is arranged on the track device correspondingly; the transmission gear is connected with the portal frame motor through a transmission shaft arranged in the portal frame cavity, and the transmission shaft is connected with the portal frame motor through a meshing gear set.
Further, the meshing gear set comprises a large gear sleeved on the transmission shaft and a small gear connected with the rotating shaft of the portal frame motor, and the large gear and the small gear can be meshed with each other.
Further, rail sliding blocks are respectively arranged at two ends of the bottom of the portal frame and are matched with rail sliding grooves arranged on the inner side of the rail device.
Further, the tensioning motor and the portal frame motor are controlled and managed through an external control system.
Further, a movable and positioned photoelectric switch is arranged at the initial section and the tail end of the track device and is used for detecting the opening state of the curtain.
Advantageous effects
According to the horizontally movable opening and closing electric curtain provided by the invention, the horizontal curtain retraction platform is erected on the track device through the supporting platform, one end of the curtain is connected with the curtain core pipe connected with the supporting platform, the other end of the curtain is connected with the portal frame capable of horizontally moving along the track device, the curtain is driven to horizontally move and open through the portal frame driving device, and the curtain is driven to horizontally move and recycle through synchronous work of the curtain retraction driving device and the portal frame driving device. The device is exquisite in design, can be accurate open and retrieve of control curtain, and can not be that the curtain takes place to warp, and projection effect is good, is fit for projection scene such as roof, ground are unsettled and uses.
Drawings
FIG. 1 is a side view of a horizontally openable and closable motorized screen according to the present invention;
FIG. 2 is a perspective view of a horizontally openable and closable motorized screen according to the present invention;
FIG. 3 is a top view of a horizontally openable and closable motorized screen according to the present invention;
FIG. 4 is a schematic view of a driving device for winding a curtain of a horizontal opening/closing electric curtain according to the present invention;
FIG. 5 is a schematic view of the internal structure of a portal frame of the horizontal opening and closing electric curtain according to the present invention;
FIG. 6 is an enlarged view of A in FIG. 5;
fig. 7 is a schematic structural diagram of a torsion spring device of a horizontal opening and closing electric curtain according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
As shown in fig. 1-6, the horizontal opening and closing electric curtain comprises a curtain 1 and a curtain core pipe 2, wherein one end of the curtain 1 is wound on a body of the curtain core pipe 2, and the other end of the curtain 1 is connected with a portal frame 3; the torsion spring 2-1 is sleeved in the inner cavity of the curtain core tube 2 (not labeled in the figure), specifically, after the curtain 1 is horizontally unfolded, the middle position of the curtain 1 sometimes has loosening and sagging, so that the projection effect of the curtain 1 can be affected, and the core tube torsion spring is introduced, so that the curtain 1 can form a reverse tensile force after being unfolded, and the curtain 1 can be further stretched. Two ends of the curtain core tube 2 are movably connected with the supporting platform 4; a group of track devices 5 perpendicular to the curtain core tube 2 are arranged along the supporting platform 4, driving wheels 3-1 matched with the track devices 5 are arranged at two ends of the portal frame 3, and the driving wheels 3-1 are driven by a portal frame motor 3-2 arranged in the portal frame 3.
Specifically, as shown in fig. 7, the torsion spring device 2-1 includes a rotating wheel 2-12 fixed on the inner wall of the curtain core tube 2, one side of the rotating wheel 2-12 is movably connected with a circular shaft 2-11, a torsion spring 2-13 is sleeved on the circular shaft 2-11, one end of the torsion spring 2-13 is connected with the rotating wheel 2-23, the other end is fixed with the axle center of the circular shaft 2-11, and the tail end of the circular shaft 2-11 is connected with the supporting platform 4. The support platform comprises a first support platform and a second support platform which are symmetrical with each other, a curtain core pipe support and a round shaft support which are symmetrical with each other are respectively installed, the curtain core pipe support is movably connected with one end of the core pipe, the round shaft support is fixedly connected with one end of the round shaft, and a curtain winding driving device is installed in the first support platform
The support platform 4 comprises a first support platform 4-1 and a second support platform 4-2 which are symmetrical with each other, a curtain core pipe support 4-11 and a circular shaft support 4-21 which are symmetrical with each other are respectively installed, the curtain core pipe support 4-11 is movably connected with one end of the curtain core pipe 2, the circular shaft support 4-21 is fixedly connected with the circular shaft 2-11, and a curtain winding driving device 6 is installed in the first support platform 4-1. In this embodiment, the connection part between the curtain core tube 2 and the curtain core tube support 4-11 is sleeved with a bearing sleeve, so that the curtain core tube 2 can rotate clockwise or anticlockwise relative to the curtain core tube support 4-11. When the curtain core tube 2 rotates, the torsion springs 2-13 automatically tighten to generate torsion in the opposite direction.
As shown in fig. 4, the curtain winding driving device 6 includes a tensioning motor 6-1 installed in the first supporting platform 4-1, the tensioning motor 6-1 is connected with a first gear 6-3 through an electromagnetic clutch 6-2, and the first gear 6-3 is connected with a second gear 6-4 sleeved at the end of the curtain core tube 2 through a chain 6-4. The first support platform 4-1 and the curtain core pipe support 4-11 are internally provided with cavities which are mutually communicated, a seat groove which can be used for fixing the tensioning motor 6-1 is arranged in each cavity, the first gear 6-3 is connected through one end of a gear shaft, and the other end of the gear shaft is sleeved with the electromagnetic clutch 6-2 and connected with the tensioning motor 6-1. When the curtain 1 needs to be opened, the portal frame 3 drives the curtain 1 to horizontally move forward along the track device 5 under the drive of the portal frame motor 3-2, meanwhile, the electromagnetic clutch 6-2 is in a closed state, the connection of the tensioning motor 6-1 and the first gear 6-3 is in a disconnected state, the curtain core tube 2 is driven by the curtain core tube support 4-11 and the circular shaft support 4-21 to rotate under the pulling of the curtain 1, at the moment, the first gear 6-3 is driven by the second gear 6-4 connected with the curtain core tube 2 to synchronously move until the curtain 1 is completely opened, the electromagnetic clutch 6-2 is in an open state, the tensioning motor 6-1 and the first gear 6-3 are in a connected state, the motor rotates to work, and the curtain core tube 2 is driven to rotate opposite to the opening so as to realize continuous tensioning of the curtain 1. When the curtain needs to be recovered, the electromagnetic clutch 6-2 is in an open state, the tensioning motor 6-1 is connected with the first gear 6-3, the first gear 6-3 can be driven to rotate reversely, the curtain core tube 2 is driven to rotate reversely, the tensioning force of the curtain 1 is released, after the tensioning force of the curtain 1 is completely released, the electromagnetic clutch 6-2 is in a disconnected state, the portal frame motor 3-2 starts to reversely recover and rotate at the moment, the portal frame 3 is driven to reversely move towards recovery, the curtain 1 rotates the curtain core tube 2 by means of torsion force formed by resetting the torsion spring 2-13 in the curtain core tube 2, and accordingly the curtain is recovered to the curtain core tube 1.
As the optimization of the curtain winding driving device 6, the curtain winding driving device further comprises a tensioning gear 6-6 (which is arranged in a cavity of the curtain core tube bracket 4-11 and can effectively prevent a chain 6-5 from slipping in the moving process) which is positioned on the same plane as the first gear 6-3 and the second gear 6-4, and the first gear 6-3, the second gear 6-4 and the tensioning gear 6-6 are connected through the chain 6-5.
As shown in fig. 3, since the horizontal opening surface of the curtain 1 is relatively large, and is influenced by gravity of the curtain 1, a concave situation occurs for a long time, and the projection effect is further affected.
Specifically, the curtain supporting device 7 includes a plurality of groups of steel wire ropes (not labeled in the figure) with two ends connected by extension springs, the other end of each extension spring (not labeled in the figure) is connected with a roller sliding device (not labeled in the figure), the roller sliding device is matched with a hidden rail 5-3 arranged on the rail device, and a limiting rope is connected between every two adjacent roller sliding devices positioned at the same end. The curtain 1 with the same length is supported by the tension springs at two sides to form a beam-like structure, the curtain 1 is used for supporting the surface, the curtain 1 can be further effectively prevented from being concave in the middle due to long-time opening, the tension springs at each side are connected through the roller sliding devices, the roller sliding devices can horizontally move along the hidden rail 5-3 (similar to the structure of curtain pulleys and sliding rods) arranged on the track device 5, the purpose of mutual pulling between every two adjacent roller sliding devices is achieved through limiting ropes with the same specification, the roller sliding device at the forefront end is connected with the portal frame 3, when the portal frame 3 is driven by the portal frame motor 3-2 to horizontally move forwards, the first roller sliding device can be pulled to move forwards, and when the distance between the first roller sliding device and the second roller sliding device reaches the length of the limiting rope, the second roller sliding device is driven to horizontally move, and the second roller sliding device is sequentially circulated. When the portal frame 3 is driven by the portal frame motor 3-2 to do horizontal backward movement, the first roller sliding device can be pushed to move backward, and when the distance between the first roller sliding device and the second roller sliding device reaches zero, the second roller sliding device is also driven to do horizontal backward movement, and the two roller sliding devices are circulated in sequence.
As shown in fig. 5 and 6, the driving wheel 3-1 is a driving gear, and correspondingly, a driving gear track matched with the driving gear 3-1 is arranged on the track device 5 (the track device 5 comprises a first track frame 5-1 and a second track frame 5-2 which are parallel and symmetrical, and the first track frame 5-1 and the second track frame 5-2 are respectively provided with a first driving wheel track 5-11 and a second driving wheel track 5-21 matched with the driving wheel 3-1); the transmission gear is connected with the transmission shaft 3-3 arranged in the portal frame cavity, and the transmission shaft 3-3 is connected with the portal frame motor 3-2 through the meshing gear set 3-4.
Specifically, the meshing gear set 3-4 comprises a large gear 3-41 sleeved on the transmission shaft 3-3 and a small gear 3-42 connected with a rotating shaft of the portal frame motor 3-2, and the large gear 3-41 and the small gear 3-42 can be meshed with each other. The portal frame motor 3-2 is fixed in the cavity of the portal frame 3, and the transmission shaft 3-3 is fixed with the portal frame cavity through a bearing sleeve seat. When the portal frame motor 3-2 works, the transmission shaft 3-3 is driven to move clockwise or anticlockwise relative to the portal frame, and then the transmission wheels 3-1 arranged at two ends of the transmission shaft 3-3 are driven to synchronously move clockwise or anticlockwise along the first transmission wheel track 5-11 and the second transmission wheel track 5-21, so that the aim of opening the curtain 1 and winding the curtain 1 is fulfilled.
As a further optimization of this embodiment, two ends of the bottom of the gantry 3 are respectively provided with a track slider 3-5, and the track sliders 3-5 are matched with a track chute 5-4 arranged inside the track device 5 (i.e., the first track frame 5-1 and the second track frame 5-2), so that the gantry 3 can be effectively supported to move horizontally.
The tensioning motor 6-1 and the portal frame motor 3-2 in the above embodiment are controlled and managed by an external control system.
In order to achieve the state information of the real-time curtain 1, photoelectric switches are arranged at the initial section and the tail end of the track device 5 and used for detecting the opening state of the curtain and sending signals to an external control system.
The above description is for the purpose of illustrating the embodiments of the present invention and is not to be construed as limiting the invention, but is intended to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principle of the invention.
Claims (7)
1. The horizontally moving opening and closing electric curtain comprises a curtain and a curtain core pipe, and is characterized in that one end of the curtain is wound on the curtain core pipe, and the other end of the curtain is connected with a portal frame; a torsion spring device is sleeved in the inner cavity of the curtain core tube, and two ends of the curtain core tube are movably connected with the supporting platform; a group of track devices perpendicular to the curtain core tube are arranged along the supporting platform, driving wheels matched with the track devices are arranged at two ends of the portal frame, and the driving wheels are driven by a portal frame motor arranged in the portal frame;
the support platform comprises a first support platform and a second support platform which are symmetrical with each other, a curtain core pipe support and a circular shaft support which are symmetrical with each other are respectively installed, the curtain core pipe support is movably connected with one end of the core pipe, the circular shaft support is fixedly connected with the torsion spring device, and a curtain winding driving device is installed in the first support platform;
the curtain support device is arranged below the curtain, is parallel to the track device and is driven to stretch by the portal frame;
the driving wheel is a driving gear, and a driving gear track matched with the driving gear is arranged on the track device correspondingly; the transmission gear is connected with the portal frame motor through a transmission shaft arranged in the portal frame cavity, and the transmission shaft is connected with the portal frame motor through a meshing gear set.
2. The horizontal moving opening and closing electric curtain according to claim 1, wherein the torsion spring device comprises a rotating wheel fixed with the inner wall of the curtain core tube, one side of the rotating wheel is movably connected with a circular shaft, a torsion spring is sleeved on the circular shaft, one end of the torsion spring is connected with the rotating wheel, the other end of the torsion spring is fixed with the axis of the circular shaft, and the tail end of the circular shaft is connected with the circular shaft support.
3. The horizontally movable opening and closing electric curtain according to claim 2, wherein the curtain winding driving device comprises a tensioning motor installed in the first supporting platform, the tensioning motor is connected with a first gear through an electromagnetic clutch, and the first gear is connected with a second gear sleeved at the end part of the core tube through a chain.
4. The horizontally movable opening and closing electric curtain according to claim 1, wherein the curtain supporting device comprises a plurality of groups of steel wire ropes with two ends connected by extension springs, the other ends of the extension springs are connected with roller sliding devices, and the roller sliding devices are matched with hidden rails arranged on the rail devices.
5. The horizontally movable openable and closable electric curtain according to claim 4, wherein a stopper rope is connected between each adjacent roller coaster at the same end.
6. The horizontally movable openable electric curtain according to claim 1, wherein rail sliders are respectively installed at both ends of the bottom of the portal frame, and the rail sliders are matched with rail sliding grooves provided at the inner side of the rail device.
7. A horizontally movable openable electric screen according to claim 3 wherein the tensioning motor and the gantry motor are controlled and managed by an external control system.
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 CN110376838A (en) | 2019-10-25 |
| CN110376838B true CN110376838B (en) | 2024-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910710963.3A Active CN110376838B (en) | 2019-08-02 | 2019-08-02 | Electric curtain capable of being opened and closed horizontally |
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| Country | Link |
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| CN (1) | CN110376838B (en) |
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| 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 |
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2019
- 2019-08-02 CN CN201910710963.3A patent/CN110376838B/en active Active
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| 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 |
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| Publication number | Publication date |
|---|---|
| CN110376838A (en) | 2019-10-25 |
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