CN106647136A - Portable projection screen with synchronous lifting device - Google Patents
Portable projection screen with synchronous lifting device Download PDFInfo
- Publication number
- CN106647136A CN106647136A CN201611060929.9A CN201611060929A CN106647136A CN 106647136 A CN106647136 A CN 106647136A CN 201611060929 A CN201611060929 A CN 201611060929A CN 106647136 A CN106647136 A CN 106647136A
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- CN
- China
- Prior art keywords
- driving motor
- curtain
- micro
- supporting rod
- machine
- 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
Links
- 230000001360 synchronised Effects 0.000 title claims abstract description 14
- 230000003028 elevating Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction 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 video playback auxiliary equipment, in particular to a portable projection screen with a synchronous lifting device. The portable projection screen comprises a bottom support seat and an electric screen body, wherein the center position of the upper end of the bottom support seat is fixedly connected with a driving motor; the position, close to the bottom support seat, of the front surface of the driving motor is movably connected with a bottom support rod; the bottom of the front surface of the bottom support rod is provided with two limiting pins for fixing the position of the bottom support rod; sliding guide rails are arranged at two sides of the bottom support rod; and a top support rod is arranged at the back part of the bottom support rod. According to the portable projection screen with the synchronous lifting device, the driving motor and a small motor are simultaneously controlled by adopting a first manual switch, a second manual switch, an upper press turn-off switch and a lower press turn-off switch for synchronously controlling the driving motor and the small motor, so that the lifting mode is efficient and unified, the expansion and storage difficulty of the whole projection screen is greatly reduced, the control mode is simple and conveying is very convenient.
Description
Technical field
The present invention relates to video playback technical field of auxiliary equipment, especially a kind of with the portable of synchronous lifting device
Projection screen.
Background technology
Projection screen is used in film, office, home theater, in convention occasion.For display image, video text
The instrument of part.Current projection screen is divided into manual and electric curtain, is mainly distinguished by control mode, but regardless of being hand
Dynamic and electric curtain is all arranged on fixed metope or mobile support mostly, in order to lift drop shadow effect and area, need compared with
The mobile support of large volume, the most structure of mobile support for being used for curtain on the market at present is fixed, it is impossible to and curtain Synchronization Control
Lifting, causes to launch and receive cumbersome, carries also very inconvenient.
The content of the invention
The technical problem to be solved in the present invention is：In order to solve problem present in above-mentioned background technology, there is provided Yi Zhonggai
The portable translucent curtain with synchronous lifting device for entering, solves the most structure of mobile support for being used for curtain on the market at present
It is fixed, it is impossible to and the lifting of curtain Synchronization Control, cause to launch and receive cumbersome, carry also very inconvenient problem.
The technical solution adopted for the present invention to solve the technical problems is：A kind of portable throwing with synchronous lifting device
Shadow curtain, including bottom support base and electric curtain body, described bottom support base upper end center position is fixedly connected with biography
Dynamic motor, the nearly bottom support base position in described driving motor front is connected with bottom support bar, and described bottom supports
Bar front bottom is provided with two limit bolts for fixing bottom post position, and described bottom support bar both sides have
There is rail plate, described bottom support bar back is provided with top supporting rod, positive mask is opened up inside described top supporting rod
There is the drive cavity of strip gab, described bottom support bar inserts drive cavity inside and top supporting rod by both sides rail plate
It is slidably connected, described bottom support bar front opens up the bar shaped cunning mouth that upper end has targeting port, on described top supporting rod
End is connected with electric curtain body, and described electric curtain body includes housing, the built-in micro-machine of built-in scrolling curtain
Gear box and the counter weight strip positioned at scrolling curtain lower end, described counter weight strip lower end is fixedly connected with and sliding mouth is engaged leads
To slide block, described driving motor upper end rotating shaft inserts top supporting rod with top by the external screw thread elevating lever of axial restraint
Strut is threadedly coupled, and the upper pressing for controlling driving motor and micro-machine is fixedly connected with described sliding mouth inner top surface and is closed
Make and break is closed, and the lower pressing closing for closing driving motor and micro-machine is fixedly connected with described sliding mouth inner bottom surface and is opened
Close, described driving motor front be fixedly connected with for control the first manual switch that driving motor and micro-machine rotate forward and
For controlling the second manual switch of driving motor and micro-machine reversion.
Further, the first described manual switch and the second manual switch size are identical.
Further, described top supporting rod bottom is located at sliding mouth and is internally provided with for controlling upper pressing closing switch
Control block.
Further, described driving motor is powered with micro-machine by external power supply.
The invention has the beneficial effects as follows, a kind of portable translucent curtain with synchronous lifting device of the present invention is by adopting
Controlled to pass simultaneously with first, second manual switch of Synchronization Control driving motor and micro-machine, upper and lower pressing closing switch
Dynamic motor and micro-machine, up-down mode is efficiently unified, and substantially reduces expansion and the storage difficulty of whole projection screen, controlling party
Formula is simple, carries very convenient.
Description of the drawings
With reference to the accompanying drawings and examples the present invention is further described：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the internal structure schematic diagram of the present invention.
In figure：1. bottom support base, 2. electric curtain body, 3. driving motor, 4. bottom support bar, 5. limit bolt,
6. rail plate, 7. top supporting rod, 8. drive cavity, 9. targeting port 10. slides mouth, 11. scrolling curtains, 12. housings, and 13. is small-sized
Motor, 14. gear boxs, 15. counter weight strips, 16. guide runners, 17. external screw thread elevating levers press closing switch, under 19. on 18.
Pressing closing switch, 20. first manual switches, 21. second manual switches, 22. control blocks.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are simplified schematic diagram, only with
The basic structure of the illustration explanation present invention, therefore it only shows the composition relevant with the present invention.
A kind of portable translucent curtain with synchronous lifting device shown in Fig. 1 and Fig. 2, including the He of bottom support base 1
Electric curtain body 2, the upper end center position of bottom support base 1 is fixedly connected with driving motor 3, the nearly bottom in the front of driving motor 3
The position of support base 1 is connected with bottom support bar 4, and the front bottom of bottom support bar 4 is provided with two for fixing bottom
The limit bolt 5 of the position of strut 4, the both sides of bottom support bar 4 are respectively provided with rail plate 6, and the back of bottom support bar 4 is provided with top
Strut 7, opens up the drive cavity 8 that front has strip gab inside top supporting rod 7, bottom support bar 4 is led by two Slideslips
The inside of the insertion of rail 6 drive cavity 8 is slidably connected with top supporting rod 7, and the front of bottom support bar 4 opens up upper end and has targeting port 9
Mouth 10 is slided in bar shaped, and the upper end of top supporting rod 7 is connected with electric curtain body 2, and electric curtain body 2 includes built-in scrolling curtain
11 housing 12, the gear box 14 of built-in micro-machine 13 and the counter weight strip 15 positioned at the lower end of scrolling curtain 11, under counter weight strip 15
End is fixedly connected with the guide runner 16 being engaged with sliding mouth 10, the external screw thread that the upper end rotating shaft of driving motor 3 passes through axial restraint
The insertion top supporting rod 7 of elevating lever 17 is threadedly coupled with top supporting rod 7, is fixedly connected with for controlling on the sliding inner top surface of mouth 10
The upper pressing closing switch 18 of driving motor 3 and micro-machine 13, is fixedly connected with for closing transmission on the sliding inner bottom surface of mouth 10
The lower pressing closing switch 19 of motor 3 and micro-machine 13, the front of driving motor 3 is fixedly connected with for controlling driving motor 3
The first manual switch 20 for rotating forward with micro-machine 13 and for controlling that driving motor 3 and micro-machine 13 invert second manual
Switch 21.
Further, the first manual switch 20 is identical with the size of the second manual switch 21, further, top supporting rod 7
Bottom is located at sliding mouth 10 and is internally provided with for controlling the upper control block 22 for pressing closing switch 18, further, driving motor 3
Powered by external power supply with micro-machine 13, a kind of portable translucent curtain with synchronous lifting device of the present invention passes through
Using first, second manual switch of Synchronization Control driving motor 3 and micro-machine 13, upper and lower pressing closing switch come simultaneously
Control driving motor 3 and micro-machine 13, up-down mode is efficiently unified, and the expansion and storage for substantially reducing whole projection screen is difficult
Degree, control mode is simple, carries very convenient.
Embodiment：External power supply, the rotating forward control end of driving motor 3, micro-machine 13 rotate forward control end, upper pressing and close and open
Close the 18, first manual switch 20 and first series circuit is constituted by external power connecting line.When the first manual switch 20 is pressed,
Driving motor 3 and micro-machine 13 are rotated forward, and top supporting rod 7 rises, and scrolling curtain 11 and counter weight strip 15 are moved down, when counter weight strip 15
During the lower pressing closing switch 19 of the extruding of guide runner 16 of lower end, the open circuit of the first series circuit, driving motor 3 and micro-machine 13
Close；External power supply, the reversion control end of driving motor 3, the reversion control end of micro-machine 13, lower pressing closing switch 19, second
Manual switch 21 constitutes the second series circuit by external power connecting line..When press and during manual switch 21, driving motor
3 and micro-machine 13 invert, top supporting rod 7 declines, on scrolling curtain 11 and counter weight strip 15 move, when control block 22 extruding on press
During pressure closing switch 18, the second series circuit is breaking, and driving motor 3 and micro-machine 13 are closed.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Entirely various change and modification can be carried out in the range of without departing from this invention technological thought.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (4)
1. a kind of portable translucent curtain with synchronous lifting device, including bottom support base (1) and electric curtain body
(2), it is characterised in that：Described bottom support base (1) upper end center position is fixedly connected with driving motor (3), described biography
Nearly bottom support base (1) position in dynamic motor (3) front is connected with bottom support bar (4), and described bottom support bar (4) is just
Face bottom is provided with two limit bolts (5) for fixing bottom support bar (4) position, described bottom support bar (4) two
Side is respectively provided with rail plate (6), and described bottom support bar (4) back is provided with top supporting rod (7), described top supporting rod
(7) internal to open up the drive cavity (8) that front has strip gab, described bottom support bar (4) is by both sides rail plate (6)
It is slidably connected with top supporting rod (7) inside insertion drive cavity (8), described bottom support bar (4) front opens up upper end to be had
Mouth (10) is slided in the bar shaped of targeting port (9), and described top supporting rod (7) upper end is connected with electric curtain body (2), described
Electric curtain body (2) including the housing (12) of built-in scrolling curtain (11), the gear box (14) of built-in micro-machine (13) and
Positioned at the counter weight strip (15) of scrolling curtain (11) lower end, described counter weight strip (15) lower end is fixedly connected with and matches with sliding mouth (10)
The guide runner (16) of conjunction, described driving motor (3) upper end rotating shaft is inserted by the external screw thread elevating lever (17) of axial restraint
Top supporting rod (7) is threadedly coupled with top supporting rod (7), is fixedly connected with for controlling on described sliding mouth (10) inner top surface
The upper pressing closing switch (18) of driving motor (3) and micro-machine (13), is fixedly connected on described sliding mouth (10) inner bottom surface
There are the lower pressing closing switch (19) for closing driving motor (3) and micro-machine (13), described driving motor (3) front
It is fixedly connected with for controlling driving motor (3) with first manual switch (20) of micro-machine (13) rotating forward and for controlling to pass
The second manual switch (21) that dynamic motor (3) inverts with micro-machine (13).
2. a kind of portable translucent curtain with synchronous lifting device according to claim 1, it is characterised in that：It is described
The first manual switch (20) it is identical with the second manual switch (21) size.
3. a kind of portable translucent curtain with synchronous lifting device according to claim 1, it is characterised in that：It is described
Top supporting rod (7) bottom be located at sliding mouth (10) and be internally provided with control block for controlling upper pressing closing switch (18)
(22)。
4. a kind of portable translucent curtain with synchronous lifting device according to claim 1, it is characterised in that：It is described
Driving motor (3) powered by external power supply with micro-machine (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060929.9A CN106647136B (en) | 2016-11-25 | 2016-11-25 | A kind of portable translucent curtain with synchronous lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060929.9A CN106647136B (en) | 2016-11-25 | 2016-11-25 | A kind of portable translucent curtain with synchronous lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106647136A true CN106647136A (en) | 2017-05-10 |
| CN106647136B CN106647136B (en) | 2018-05-22 |
Family
ID=58812317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611060929.9A Active CN106647136B (en) | 2016-11-25 | 2016-11-25 | A kind of portable translucent curtain with synchronous lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106647136B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108185982A (en) * | 2018-02-13 | 2018-06-22 | 唐春桃 | A kind of medical treatment ophthalmic Portable, environmental protective measures eyesight equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359676Y (en) * | 2008-12-19 | 2009-12-09 | 江苏红叶视听器材股份有限公司 | Electric winding limiting detector |
| CN201429769Y (en) * | 2009-08-12 | 2010-03-24 | 东莞市澳星视听器材有限公司 | Simple support screen structure |
| CN102944966A (en) * | 2012-10-17 | 2013-02-27 | 廖长春 | Interactive type projection screen |
| CN204347420U (en) * | 2015-01-15 | 2015-05-20 | 东莞市澳星视听器材有限公司 | The projection screen of conveniently moving |
| CN206270643U (en) * | 2016-11-25 | 2017-06-20 | 盐城工学院 | A kind of portable translucent curtain with synchronous lifting device |
-
2016
- 2016-11-25 CN CN201611060929.9A patent/CN106647136B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359676Y (en) * | 2008-12-19 | 2009-12-09 | 江苏红叶视听器材股份有限公司 | Electric winding limiting detector |
| CN201429769Y (en) * | 2009-08-12 | 2010-03-24 | 东莞市澳星视听器材有限公司 | Simple support screen structure |
| CN102944966A (en) * | 2012-10-17 | 2013-02-27 | 廖长春 | Interactive type projection screen |
| CN204347420U (en) * | 2015-01-15 | 2015-05-20 | 东莞市澳星视听器材有限公司 | The projection screen of conveniently moving |
| CN206270643U (en) * | 2016-11-25 | 2017-06-20 | 盐城工学院 | A kind of portable translucent curtain with synchronous lifting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108185982A (en) * | 2018-02-13 | 2018-06-22 | 唐春桃 | A kind of medical treatment ophthalmic Portable, environmental protective measures eyesight equipment |
| CN108185982B (en) * | 2018-02-13 | 2020-05-08 | 西安交通大学医学院第一附属医院 | Medical treatment ophthalmology is with portable environmental protection measurement eyesight equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106647136B (en) | 2018-05-22 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191216 Address after: 233000 Room 301, building 6, Shangli University Science Park, No. 8319, Huangshan Avenue, high tech Zone, Bengbu City, Anhui Province Patentee after: Anhui huajingdao Technology Service Co., Ltd Address before: 224051 Yancheng City, Century Avenue, Jiangsu research and development building, No. 1166 Patentee before: Yangcheng Institute of Technology |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210826 Address after: 224500 south of Xingsheng Road, national entrepreneurship Park, WuXun Town, Binhai County, Yancheng City, Jiangsu Province Patentee after: Yancheng Baohong packaging material Co.,Ltd. Address before: 8319 Huangshan Avenue, high tech Zone, Bengbu City, Anhui Province Patentee before: Anhui huajingdao Technology Service Co.,Ltd. |