A kind of portable translucent curtain with synchronous lifting device
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 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
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.
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
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.