CN204065653U - The moveable projection arrangement of a kind of curtain - Google Patents
The moveable projection arrangement of a kind of curtain Download PDFInfo
- Publication number
- CN204065653U CN204065653U CN201420568491.5U CN201420568491U CN204065653U CN 204065653 U CN204065653 U CN 204065653U CN 201420568491 U CN201420568491 U CN 201420568491U CN 204065653 U CN204065653 U CN 204065653U
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- China
- Prior art keywords
- curtain
- wire rope
- rod
- main shaft
- hook
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- Expired - Fee Related
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Abstract
The utility model discloses the moveable projection arrangement of a kind of curtain, this device except comprising projection screen, projector, controller and remote control panel, also comprise adjustable curtain use angle curtain mobile device and can with the synchronization-moving projector placing device of curtain.The utility model can avoid the situation hindering teacher's writing on the blackboard because projection screen blocks blackboard to occur, each position in classroom can be made can to know viewing projection, thus can improve classroom teaching efficiency and teaching efficiency.
Description
Technical field
The utility model relates to a kind of projection arrangement, particularly relates to the moveable projection arrangement of a kind of curtain.
Background technology
Current multimedia teaching is universal, multimedia teaching is visual in image, student's fast understanding knowledge can be made, but existing multimedia equipment can not rotate due to curtain, exist following not enough when therefore using: (1) projection screen blocks most of blackboard, hinder teacher to write on blackboard; (2) take time in classroom when shrinking projector, affect teaching efficiency, and reduce classroom teaching efficiency; (3) projection screen size is limited and can not rotate, and classroom is very large, and it is bad that the classmate being sitting in Qian Liangpai both sides, classroom watches multimedia view effect; (4) can not wireless remote control, use inconvenience.
Summary of the invention
The purpose of this utility model is to provide a kind of curtain moveable projection arrangement, and this device is by the use angle of Digiplex adjustable curtain.
For achieving the above object, the utility model adopt solution be: the moveable projection arrangement of a kind of curtain, comprise curtain, projector, controller, remote control panel and adjustable curtain use angle curtain mobile device and can with the synchronization-moving projector placing device of curtain;
Described curtain mobile device comprises connecting rod A, small trochal disc, connecting rod B, back up pad, bracing frame, push-rod electric machine, main shaft, crank wheel disk, guide rail, stand, wire rope A and wire rope B, wherein one end of connecting rod A is provided with the hook A of hook curtain, the other end is fixedly connected with small trochal disc, one end of connecting rod B can be rotated relative to small trochal disc, the other end is arranged on main shaft, main shaft is arranged on by bearing seat be connected with bracing frame upper, in lower two back up pads, the one end of the push-rod electric machine controlled by controller is fixed in stand, the other end is connected with crank wheel disk, crank wheel disk is mounted on main shaft by key, hook B is slidably arranged on the guide rail be positioned in stand by pulley, between small trochal disc and crank wheel disk by symmetrical be fixed on small trochal disc with on crank wheel disk and the wire rope A of tensioning be connected with wire rope B, the cross bar of projection screen upper end is hung on hook A and hook B,
Described projector placing device comprises cage, suspension rod, suspension bracket, patch bay, screw rod with holes, wire rope C and wire rope D, suspension bracket is connected with a swivel nut by threaded engagement, the rotating lower end being arranged on swivel nut of suspension rod, the cage placing projector is fixed on the lower end of suspension rod, suspension bracket is arranged with two patch bays, suspension rod is radially provided with screw rod with holes, one end of wire rope C and wire rope D is arranged on two patch bays by termination shell respectively, the other end is fixed on angle bar B on the supporting plate and angle bar E by termination shell, two wire rope cores are fixed on end and the main shaft upper end of screw rod with holes.
The two ends of above-mentioned guide rail are also provided with the lead limit switch be connected with controller.
The utility model has following effect:
(1) because of projection screen and the certain angle of projector energy synchronous axial system, therefore can avoid hindering the situation of teacher's writing on the blackboard to occur because projection screen blocks blackboard;
(2) each position in classroom can be made can to know viewing projection, and viewing effect is good;
(3) can straighforward operation whenever and wherever possible, classroom teaching efficiency and teaching efficiency can be improved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model (only depicting main parts size in figure).
Fig. 2 is vertical view of the present utility model.
Fig. 3 is the front view of the utility model projector placing device.
Fig. 4 is the vertical view of the utility model projector placing device.
Fig. 5 is the A-A view of Fig. 2.
In figure: 1-connecting rod A, 2-small trochal disc, 3-special bolt, 4-connecting rod B5-rolling ball bearing 6-back up pad 7-bracing frame 8-push-rod electric machine 9-angle bar A10-angle bar B 11-flat key 12-main shaft 13-crank wheel disk 14-sleeve, 15-hook, 16-angle bar C, 17-cage, 18-suspension rod, 19-sleeve, 20-fixed cover, 21-suspension bracket, 22-swivel nut, 23-screw rod 24-patch bay with holes, 25-thrust ball bearing, 26-holding screw, 27-angle bar D, 28-angle bar E29-guide rail 30-pulley 31-projection screen 32-angle bar F
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the utility model comprise projection screen 31, projector, controller, remote control panel and adjustable projection screen use angle curtain mobile device and can with the synchronization-moving projector placing device of curtain.
Described curtain mobile device comprises connecting rod A1, small trochal disc 2, connecting rod B4, back up pad 6, bracing frame 7, push-rod electric machine 8, main shaft 12, crank wheel disk 13, guide rail 29, stand, wire rope A and wire rope B, one end of connecting rod A1 is provided with the hook A15 of hook projection screen 31, and the other end is fixedly connected with by special bolt 3 with small trochal disc 2.One end of connecting rod B4 is connected with small trochal disc 2 by special bolt 3 is relatively turnable, the other end is connected by square profile and is fixed on the lower end of main shaft 12 by nut, main shaft 12 is arranged in upper and lower two back up pads 6 by rolling ball bearing 5 and bearing seat, and upper and lower two back up pads 6 are connected with bracing frame 7.One end of push-rod electric machine 8 is fixed in stand, the other end is connected with crank wheel disk 13 by bolt, nut, crank wheel disk 13 is arranged on main shaft 12 by flat key 11, and hook B is slidably arranged in the guide rail 29 that is fixed in stand, and the two ends of guide rail 29 are provided with lead limit switch.The cross bar of projection screen 31 upper end is hung on hook A15 and hook B.Be connected with wire rope B by wire rope A between small trochal disc 2 and crank wheel disk 13, in the present embodiment, wire rope A and wire rope B adopts bicycle brake line, wherein one end case head of brake cable A (need cut core wire head gib) is stuck in the hole of angle bar C16, its core wire is pressed on holding screw in the radial hole of small trochal disc 2 and crank wheel disk 13 respectively, and its other end outer casing end is stuck in the hole of angle bar A9; One end case head of brake cable B (need cut core wire head gib) is stuck in the hole of angle bar D27, its core wire is pressed on holding screw in the radial hole of another symmetry of small trochal disc 2 and crank wheel disk 13 respectively, and its other end outer casing end is stuck in the hole of angle bar F32.Tensioning is answered after brake cable A and brake cable B installs.
Described projector placing device comprises cage 17, suspension rod 18, suspension bracket 21, swivel nut 22, screw rod with holes 23, patch bay 24, wire rope C and wire rope D, suspension bracket 21 is fixed on tripod, it is connected with a swivel nut 22 by threaded engagement, and suspension rod 18 is by the rotating lower end being connected to swivel nut 22 of thrust ball bearing 25.Cage 17 is fixed on the lower end of suspension rod 18, and projector is placed in cage 17.The screw that screw rod 23 with holes radial direction screws in sleeve 19 withstands suspension rod 18, and is fixed on suspension rod 18 by bolt, nut, screw rod 23 with holes be processed with hole for fixing wire rope C and wire rope D without thread end.Patch bay 24 totally two, is arranged on suspension bracket 21 by fixed cover 20 symmetry.In the present embodiment, wire rope C and wire rope D adopts bicycle brake line, wherein one end case head of brake cable C is stuck in the hole of patch bay 24, its core wire screw 26 is pressed in the hole of screw rod 23 with holes, and being fixed on (when tightening) on main shaft 12 through behind the hole on main shaft 12 top by gib, its other end outer casing end is stuck in the hole of angle bar angle bar B 10; One end case head of brake cable D is stuck in the hole of another patch bay 24, its core wire holding screw 26 is pressed in the hole of screw rod 23 with holes, and being fixed on (when tightening) on main shaft 12 through behind the hole on main shaft 12 top by gib, its other end outer casing end is stuck in the hole of angle bar angle bar E28.
Controller is made up of relay, remote-controlled chip, diode and transistor, and it is also provided with manual control button, and the rotating of push-rod electric machine 8 is controlled by remote control panel, and limit switch is connected with controller.
Use procedure of the present utility model is as follows:
At initial position, operating and remote controlling plate, the power supply of push-rod electric machine 8 is connected by controller, the head of push-rod electric machine 8 stretches out, crank wheel disk 13 and main shaft 12 is driven to rotate counterclockwise (overlooking) by bolt, then brake cable A and brake cable B is driven to be wound on crank wheel disk 13, the contraction of brake cable A and brake cable B drives again small trochal disc 2 to rotate clockwise (overlooking) around special bolt 3, small trochal disc 2 rotates the connecting rod A1 that drive is fixedly connected with it again and rotates clockwise (overlooking), the rotation of connecting rod A1 makes hook 15 slide in guide rail 29, the rotation of main shaft 12 then drivening rod B4 rotates counterclockwise (overlooking), final drive projection screen 31 rotates, itself and initial position are had a certain degree.
While main shaft 12 drivening rod B4 rotates in addition, brake cable C and brake cable D is also driven to shrink, and pull screw rod 23 with holes rotate clockwise (overlooking) and make suspension rod 18 drive cage 17 to rotate around suspension bracket 21, thus make cage 17 and projection screen 31 energy synchronous axial system.
When moving to desired location, remote controller realizes stopping again.For preventing unscheduled event from causing motor to exceed stroke range and damaging, lead limit switch is installed to control the break-make of power supply at the two ends of guide rail 29.The principle of reverse backhaul with go out Cheng Xiangtong.
The foregoing is only one of the utility model preferred embodiment, it is pointed out that to those of ordinary skill in the art under the prerequisite not departing from the utility model use principle, some modification and improvement can also be done, also should be considered as the utility model protection domain.
Claims (2)
1. the moveable projection arrangement of curtain, comprise projection screen (31), projector, controller and remote control panel, it is characterized in that: also comprise adjustable curtain use angle curtain mobile device and can with the synchronization-moving projector placing device of curtain;
Described curtain mobile device comprises connecting rod A (1), small trochal disc (2), connecting rod B (4), back up pad (6), bracing frame (7), push-rod electric machine (8), main shaft (12), crank wheel disk (13), guide rail (29), stand, wire rope A and wire rope B, wherein one end of connecting rod A (1) is provided with the hook A (15) of hook curtain, the other end is fixedly connected with small trochal disc (2), one end of connecting rod B (4) can be rotated relative to small trochal disc (2), the other end is arranged on main shaft (12), main shaft (12) is arranged on by bearing be connected with bracing frame (7) upper, in lower two back up pads (6), one end of push-rod electric machine (8) is fixed in stand, the other end is connected with crank wheel disk (13), crank wheel disk (13) is mounted on main shaft (12) by key, hook B is slidably arranged on by pulley (30) guide rail (29) be positioned in stand, be fixed on the upper and wire rope A of tensioning of small trochal disc (2) and crank wheel disk (13) by symmetry between small trochal disc (2) and crank wheel disk (13) to be connected with wire rope B, the cross bar of projection screen (31) upper end is hung on hook A (15) and hook B,
Described projector placing device comprises cage (17), suspension rod (18), suspension bracket (21), swivel nut (22), screw rod with holes (23), patch bay (24), wire rope C and wire rope D, suspension bracket (21) is connected with a swivel nut (22) by threaded engagement, the rotating lower end being arranged on swivel nut (22) of suspension rod (18), the cage (17) placing projector is fixed on the lower end of suspension rod (18), suspension bracket (21) is arranged with two patch bays (24), suspension rod (18) is radially provided with screw rod with holes (23), one end of wire rope C and wire rope D is arranged on two patch bays (24) by termination shell respectively, the other end is fixed on angle bar B (10) in back up pad (6) and angle bar E (28) by termination shell, two wire rope cores are fixed on end and main shaft (12) upper end of screw rod with holes (23).
2. the moveable projection arrangement of curtain according to claim 1, is characterized in that: the two ends of described guide rail (29) are provided with the lead limit switch be connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568491.5U CN204065653U (en) | 2014-09-28 | 2014-09-28 | The moveable projection arrangement of a kind of curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568491.5U CN204065653U (en) | 2014-09-28 | 2014-09-28 | The moveable projection arrangement of a kind of curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204065653U true CN204065653U (en) | 2014-12-31 |
Family
ID=52207126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420568491.5U Expired - Fee Related CN204065653U (en) | 2014-09-28 | 2014-09-28 | The moveable projection arrangement of a kind of curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204065653U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427681A (en) * | 2015-12-08 | 2016-03-23 | 成都大学 | Mobile multimedia teaching system |
| CN111554132A (en) * | 2020-05-18 | 2020-08-18 | 许昌学院 | Multimedia teaching selection projection instrument |
-
2014
- 2014-09-28 CN CN201420568491.5U patent/CN204065653U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427681A (en) * | 2015-12-08 | 2016-03-23 | 成都大学 | Mobile multimedia teaching system |
| CN111554132A (en) * | 2020-05-18 | 2020-08-18 | 许昌学院 | Multimedia teaching selection projection instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150928 |
|
| EXPY | Termination of patent right or utility model |