CN212960718U - Projection arrangement is used in performance - Google Patents
Projection arrangement is used in performance Download PDFInfo
- Publication number
- CN212960718U CN212960718U CN202021544621.3U CN202021544621U CN212960718U CN 212960718 U CN212960718 U CN 212960718U CN 202021544621 U CN202021544621 U CN 202021544621U CN 212960718 U CN212960718 U CN 212960718U
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- Prior art keywords
- rod
- projection screen
- electric telescopic
- projection
- gear box
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- Expired - Fee Related
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- 230000000694 effects Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect 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
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- Overhead Projectors And Projection Screens (AREA)
Abstract
The utility model discloses a projection device for performance, which comprises a projection screen storage box and a projector fixing base, wherein two ends of the projection screen storage box are respectively provided with a second electric telescopic rod, the top of the second electric telescopic rod is provided with a top box, the inside of the top box is provided with a fixed rod, the fixed rod is provided with a projection screen, the top of the projection screen storage box is provided with a screen folding and unfolding groove, the inside of the projection screen storage box is provided with a payment rod, one end of the payment rod is provided with a second bearing, the other end of the payment rod is provided with a second gear box, the projector is combined, can be moved freely in a training room, can be used by multiple groups of students, has strong flexibility, does not need to be arranged on a wall top, can be quickly disassembled and separated by the projector, can adjust the height of the projector and the screen according to the condition of students, can realize automatic storage and unfolding of the screen, the operation is simple and convenient, and the trainees can perform and train conveniently.
Description
Technical Field
The utility model relates to a performance field specifically is a projection arrangement is used in performance.
Background
In-process at the performance training often need use the projecting apparatus to train that imparts knowledge to students, but the current most performance room only has a projecting apparatus, can only supply with a set of student training and use, and inconvenient multiunit student uses of giving, and the flexibility is poor, can not improve the performance training effect, also does not make things convenient for the student to use.
Disclosure of Invention
The utility model aims at the defect of prior art, provide a projection arrangement is used in performance to solve the problem that above-mentioned background art provided.
In order to achieve the above object, the utility model provides a following technical scheme: a projection device for performance comprises a projection screen storage box and a projector fixing base, wherein second electric telescopic rods are installed at two ends of the projection screen storage box, a top box is installed at the top of each second electric telescopic rod, a fixing rod is installed inside the top box, a projection screen is installed on the fixing rod, a screen folding and unfolding groove is formed in the top of the projection screen storage box, a payment receiving rod is installed inside the projection screen storage box, a second bearing is installed at one end of the payment receiving rod, a second gear box is installed at the other end of the payment receiving rod, a second motor is installed on the second gear box, a second power switch is installed at one side of the projection screen storage box, a first motor is installed at one end of the projector fixing base, the first motor is installed on a first gear box, and a threaded rod is installed on the first gear box, first bearing is installed to the one end of threaded rod, install the movable block on the threaded rod, first electric telescopic handle is installed at the top of movable block, the projecting apparatus is installed at first electric telescopic handle's top, four corners in the bottom of case and projecting apparatus unable adjustment base are deposited to the projection screen all install service brake formula gyro wheel, first switch is installed to projecting apparatus unable adjustment base's one end, the projection screen is deposited and is all installed the magnet board on case and projecting apparatus unable adjustment base's the side.
As the utility model discloses a preferred technical scheme, second electric telescopic handle passes through the bolt and installs on projection screen deposits the case, the top case passes through the bolt and installs on second electric telescopic handle's top.
As a preferred technical scheme of the utility model, the dead lever is installed on the inside of top case, projection screen's top links to each other with the dead lever is fixed, projection screen's bottom links to each other with receiving and paying the pole is fixed.
As a preferred technical scheme of the utility model, second bearing and second gear box are all installed on the inside both ends that projection screen deposited the case through the bolt, the one end of collecting and paying the pole links to each other with the second bearing is fixed, and the other end links to each other with the gear of second gear box is fixed, the second motor passes through the bolt and installs on the second gear box.
As a preferred technical scheme of the utility model, first gear box and first bearing are all installed on projecting apparatus unable adjustment base's both ends through the bolt, the one end of threaded rod is fixed on first bearing, the other end of threaded rod links to each other with the gear is fixed in the first gear box, first motor passes through the bolt fastening with first gear box and links to each other.
As a preferred technical scheme of the utility model, the movable block passes through the screw thread with the threaded rod and links to each other, first electric telescopic handle passes through the bolt and installs on the movable block, the spout activity on movable block and the projecting apparatus unable adjustment base links to each other, the projecting apparatus passes through the bolt and installs on first electric telescopic handle's top.
As an optimal technical scheme of the utility model, projection screen deposits case and projecting apparatus unable adjustment base and passes through that the magnetite board is fixed continuous.
The utility model has the advantages that: this projecting apparatus is the combination formula, can be in the training room and remove at will, can use for multiunit student, and the flexibility is strong, need not to install on the wall top, can dismantle the screen can the projecting apparatus separately fast, can adjust the height degree of projecting apparatus and screen according to student's the condition, can realize accomodating automatically and expand the screen, and easy operation is convenient, and the student of being convenient for performs the training and uses.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the connection structure of the projection screen of the present invention.
In the figure: 1. projection screen deposits case, 2, projecting apparatus unable adjustment base, 3, first motor, 4, first gear box, 5, threaded rod, 6, movable block, 7, first electric telescopic handle, 8, projecting apparatus, 9, first bearing, 10, first switch, 11, second switch, 12, screen receiving and releasing groove, 13, second electric telescopic handle, 14, top case, 15, second bearing, 16, receive and pay the pole, 17, the dead lever, 18, projection screen, 19, the second motor, 20, second gear box, 21, the magnetite board, 22, the formula gyro wheel of foot brake.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.
Example (b): referring to fig. 1-2, the present invention provides a technical solution: a projection device for performance comprises a projection screen storage box 1 and a projector fixing base 2, wherein two ends of the projection screen storage box 1 are respectively provided with a second electric telescopic rod 13, the top of the second electric telescopic rod 13 is provided with a top box 14, a fixing rod 17 is arranged inside the top box 14, a projection screen 18 is arranged on the fixing rod 17, the top of the projection screen storage box 1 is provided with a screen receiving and releasing groove 12, the projection screen storage box 1 is internally provided with a receiving and paying rod 16, one end of the receiving and paying rod 16 is provided with a second bearing 15, the other end of the receiving and paying rod 16 is provided with a second gear box 20, the second gear box 20 is provided with a second motor 19, one side of the projection screen storage box 1 is provided with a second power switch 11, one end of the projector fixing base 2 is provided with a first motor 3, the first motor 3 is arranged on the first gear box 4, the first gear box 4 is provided with a threaded rod 5, first bearing 9 is installed to the one end of threaded rod 5, install movable block 6 on threaded rod 5, first electric telescopic handle 7 is installed at the top of movable block 6, projecting apparatus 8 is installed at the top of first electric telescopic handle 7, four corners in the bottom of case 1 and projecting apparatus unable adjustment base 2 are deposited to the projection screen all install service brake formula gyro wheel 22, first switch 10 is installed to the one end of projecting apparatus unable adjustment base 2, the projection screen is deposited and is all installed magnet board 21 on case 1 and projecting apparatus unable adjustment base 2's the side.
The second electric telescopic rod 13 is installed on the projection screen storage box 1 through a bolt, and the top box 14 is installed on the top of the second electric telescopic rod 13 through a bolt.
The fixed rod 17 is installed on the inside of top case 14, and projection screen 18's top and fixed rod 17 are fixed continuous, and projection screen 18's bottom and receiving and paying pole 16 are fixed continuous.
Second bearing 15 and second gear box 20 all install on projection screen deposits the inside both ends of case 1 through the bolt, receive and pay the one end of pole 16 and fixedly link to each other with second bearing 15, and the other end and the gear in the second gear box 20 are fixed to link to each other, and second motor 19 passes through the bolt and installs on second gear box 20.
First gear box 4 and first bearing 9 are all installed on projecting apparatus unable adjustment base 2's both ends through the bolt, and the one end of threaded rod 5 is fixed on first bearing 9, and the other end of threaded rod 5 links to each other with the gear fixing in the first gear box 4, and first motor 3 passes through the bolt fixing with first gear box 4 and links to each other.
The movable block 6 is connected with the threaded rod 5 through threads, the first electric telescopic rod 7 is installed on the movable block 6 through a bolt, the movable block 6 is movably connected with a sliding groove in the projector fixing base 2, and the projector 8 is installed on the top of the first electric telescopic rod 7 through a bolt.
The projection screen storage box 1 and the projector fixing base 2 are fixedly connected through a magnet plate 21.
The projection screen deposits and all installs the battery in case 1 and the projecting apparatus unable adjustment base 2, the battery respectively with first switch 10 and second switch 11 electric connection, first switch 10 respectively with first motor 3 and first electric telescopic handle 7 electric connection, second switch 11 respectively with second electric telescopic handle 13 and 19 electric connection of second motor, switch on the power of first motor 3 and first electric telescopic handle 7 respectively through first switch 10, switch on second electric telescopic handle 13 and second motor 19's power respectively through second switch 11.
The working principle is as follows: a projection device for performance comprises a projection screen storage box 1 and a projector fixing base 2, when in use, the projection screen storage box 1 and the projector fixing base 2 are separated by a magnet plate 21, then the distance between the projection screen storage box 1 and the projector fixing base 2 is adjusted by a foot brake type roller 22, then a second electric telescopic rod 13 is braked by switching on the power supply of the second electric telescopic rod 13, so that a projection screen 18 is drawn out from a screen storage groove 12 on the projection screen storage box 1, meanwhile, the power supply of a first electric telescopic rod 7 is switched on by a first power switch 10, so that the first electric telescopic rod 7 is braked, thereby the height of a projector 8 is adjusted, the power switch of the projector 8 is switched on, the projector 8 projects pictures onto the projection screen 18, when the pictures are not irradiated onto the middle part of the projection screen 18, the power supply of the first motor 3 is switched on, the first motor 3 is braked and drives the gear in the first gear box 4 to rotate, the first gear box 4 is rotated and drives the threaded rod 5 to rotate around the first bearing 9, so that the movable block 6 moves back and forth on the threaded rod 5, the position of a projection picture is adjusted, the position of the projector fixing base 2 does not need to be manually adjusted, the operation is convenient for people, after the use is finished, the power supply of the second motor 19 is switched on, the second motor 19 is braked, so that the gear in the second gear box 20 is driven to rotate, so that the payment receiving rod 16 is driven to rotate around the second bearing 15, the projection screen 18 is received, meanwhile, the second electric telescopic rod 13 slowly descends, the payment receiving rod 16 is assisted, the use by a trainer is convenient, a plurality of trainees can be stored in one training room of the device, and the device can be used by a plurality of trainees, the phenomenon that only one projector is arranged in one training room can not occur, the flexibility is strong, and the performer can use the projection device.
This projecting apparatus is the combination formula, can be in the training room and remove at will, can use for multiunit student, and the flexibility is strong, need not to install on the wall top, can dismantle the screen can the projecting apparatus separately fast, can adjust the height degree of projecting apparatus and screen according to student's the condition, can realize accomodating automatically and expand the screen, and easy operation is convenient, and the student of being convenient for performs the training and uses.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (7)
1. The utility model provides a projection arrangement is used in performance, deposits case (1) and projecting apparatus unable adjustment base (2) including projection screen, its characterized in that: the projection screen storage box comprises a projection screen storage box body (1), wherein two ends of the projection screen storage box body (1) are respectively provided with a second electric telescopic rod (13), the top of each second electric telescopic rod (13) is provided with a top box (14), a fixing rod (17) is installed inside the top box (14), a projection screen (18) is installed on the fixing rod (17), the top of the projection screen storage box body (1) is provided with a screen storage groove (12), the projection screen storage box body (1) is internally provided with a payment receiving rod (16), one end of the payment receiving rod (16) is provided with a second bearing (15), the other end of the payment receiving rod (16) is provided with a second gear box (20), the second gear box (20) is provided with a second motor (19), one side of the projection screen storage box body (1) is provided with a second power switch (11), one end of a projector fixing base (2) is provided with a first motor (3), first motor (3) are installed on first gear box (4), install threaded rod (5) on first gear box (4), first bearing (9) are installed to the one end of threaded rod (5), install movable block (6) on threaded rod (5), first electric telescopic handle (7) are installed at the top of movable block (6), projecting apparatus (8) are installed at the top of first electric telescopic handle (7), projecting screen deposits four corners in the bottom of case (1) and projecting apparatus unable adjustment base (2) and all installs footbrake formula gyro wheel (22), first switch (10) are installed to the one end of projecting apparatus unable adjustment base (2), projecting screen deposits all to install magnet board (21) on the side of case (1) and projecting apparatus unable adjustment base (2).
2. A projection apparatus for performing as claimed in claim 1 wherein: the second electric telescopic rod (13) is installed on the projection screen storage box (1) through a bolt, and the top box (14) is installed on the top of the second electric telescopic rod (13) through a bolt.
3. A projection apparatus for performing as claimed in claim 1 wherein: the fixed rod (17) is installed on the inside of the top box (14), the top of the projection screen (18) is fixedly connected with the fixed rod (17), and the bottom of the projection screen (18) is fixedly connected with the payment rod (16).
4. A projection apparatus for performing as claimed in claim 1 wherein: second bearing (15) and second gear box (20) all install on projection screen deposits the inside both ends of case (1) through the bolt, the one end of receiving and paying pole (16) links to each other with second bearing (15) are fixed, and the other end links to each other with the gear in second gear box (20) is fixed, second motor (19) pass through the bolt and install on second gear box (20).
5. A projection apparatus for performing as claimed in claim 1 wherein: first gear box (4) and first bearing (9) are all installed on the both ends of projecting apparatus unable adjustment base (2) through the bolt, the one end of threaded rod (5) is fixed on first bearing (9), the other end of threaded rod (5) links to each other with the gear is fixed in first gear box (4), first motor (3) link to each other through the bolt fastening with first gear box (4).
6. A projection apparatus for performing as claimed in claim 1 wherein: the movable block (6) is connected with the threaded rod (5) through threads, the first electric telescopic rod (7) is installed on the movable block (6) through a bolt, the movable block (6) is movably connected with a sliding groove in the projector fixing base (2), and the projector (8) is installed on the top of the first electric telescopic rod (7) through a bolt.
7. A projection apparatus for performing as claimed in claim 1 wherein: the projection screen storage box (1) is fixedly connected with the projector fixing base (2) through a magnet plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021544621.3U CN212960718U (en) | 2020-07-30 | 2020-07-30 | Projection arrangement is used in performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021544621.3U CN212960718U (en) | 2020-07-30 | 2020-07-30 | Projection arrangement is used in performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212960718U true CN212960718U (en) | 2021-04-13 |
Family
ID=75344872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021544621.3U Expired - Fee Related CN212960718U (en) | 2020-07-30 | 2020-07-30 | Projection arrangement is used in performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212960718U (en) |
-
2020
- 2020-07-30 CN CN202021544621.3U patent/CN212960718U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |