CN220232226U - Classroom display device for computer teaching - Google Patents
Classroom display device for computer teaching Download PDFInfo
- Publication number
- CN220232226U CN220232226U CN202321407157.7U CN202321407157U CN220232226U CN 220232226 U CN220232226 U CN 220232226U CN 202321407157 U CN202321407157 U CN 202321407157U CN 220232226 U CN220232226 U CN 220232226U
- Authority
- CN
- China
- Prior art keywords
- bevel gear
- threaded rod
- sleeve
- installation
- block
- 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.)
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- 238000009434 installation Methods 0.000 claims abstract description 37
- 230000000670 limiting effect Effects 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 abstract description 9
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a classroom display device for computer teaching, which relates to the technical field of display devices and comprises a mounting sleeve, wherein a clamping hole is formed in the mounting sleeve, a clamping block is clamped in the clamping hole, a threaded rod is mounted in a rotating manner in the mounting frame, a limiting block is mounted on the threaded rod, a lifting block is sleeved on the outer wall thread of the threaded rod, a support is mounted on the lifting block, a micro motor is mounted on the support, a winding rod is mounted on the micro motor, a projection curtain is mounted on the winding rod, a first bevel gear is mounted on the threaded rod, a second bevel gear is meshed on the first bevel gear, a rotating shaft is mounted on the second bevel gear, and a handle is mounted on the rotating shaft. According to the utility model, through the design of the installation sleeve, the installation frame, the clamping block, the installation seat, the threaded rod, the lifting block, the first bevel gear, the second bevel gear and other mechanisms, workers do not need to work on the top of the wall surface, the installation danger is avoided, and the projection curtain is convenient to clean.
Description
Technical Field
The utility model relates to display technical field especially relates to a classroom display device for computer teaching.
Background
In modern teaching, computer teaching has become a mainstream teaching mode, through with teaching courseware projection in the projection curtain, the student can directly perceivedly clear with knowledge point feedback for the student through watching the projection curtain, deepens the impression to the knowledge.
But present projection curtain need install in the higher position of wall, and the workman has certain danger when the installation, and the projection curtain can save more dust at long-time use back surface, receives the high-order influence of installing of projection curtain, can bring certain hindrance for the cleanness of curtain. There is therefore a need for a classroom display apparatus for computer teaching that meets the needs of people.
Disclosure of Invention
The utility model aims to provide a classroom display device for computer teaching, which aims to solve the problems that in the background technology, a projection curtain needs to be installed at a higher position of a wall surface, a worker has certain danger during installation, and more dust is accumulated on the surface of the projection curtain after the projection curtain is used for a long time, and the projection curtain is influenced by the high-position installation of the projection curtain, so that certain obstruction is brought to the cleaning of the curtain.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a classroom display device for computer teaching, including the installation cover, demountable installation has the mounting bracket in the installation cover, installs telescopic spring in the mounting bracket, installs the fixture block on the telescopic spring, the last draw-in hole of having seted up of installation cover, the fixture block joint is downthehole at the draw-in, the threaded rod is installed to the mounting bracket internal rotation, installs the stopper on the threaded rod, the outer wall screw thread of threaded rod has cup jointed the lifter, installs the support on the lifter, installs micro-motor on the support, installs the rolling stick on the micro-motor, installs projection curtain on the rolling stick, install first bevel gear on the threaded rod, the meshing has the second bevel gear on the first bevel gear, installs the pivot on the second bevel gear, installs the handle in the pivot.
Preferably, a mounting seat is mounted on one side of the mounting sleeve, and a fastening spring is mounted on the inner wall of the mounting sleeve.
Preferably, one end of the telescopic block is arranged in the mounting frame, and the other end of the telescopic block is arranged on the clamping block.
Preferably, the installation frame is internally provided with a rotating sleeve, and the threaded rod is rotatably arranged in the rotating sleeve.
Preferably, the outer wall of the mounting frame is provided with a protective shell, and the rotating shaft is rotatably arranged on the protective shell.
Preferably, a first connecting sleeve is arranged on one side of the mounting frame, one end of a telescopic rod is inserted into the first connecting sleeve in a plugging mode, a second connecting sleeve is sleeved at the other end of the telescopic rod, and a limiting rod is arranged on the second connecting sleeve.
Preferably, the mounting frame is provided with a supporting block, the handle is rotatably arranged on the supporting block, the winding rod is provided with a movable block, and the movable block is movably arranged in the limiting rod.
The beneficial effects of the utility model are as follows:
according to the utility model, the installation seat is installed at the bottom end of a wall surface to be projected through the design of the installation sleeve, the installation frame, the clamping block, the installation seat and other mechanisms, the installation frame is inserted into the installation sleeve, the fastening spring is compressed in the process that the installation frame enters into the installation sleeve, the clamping block props against the inner wall of the installation sleeve, the telescopic spring is compressed, the clamping block enters into the clamping hole under the action of the telescopic spring when the clamping block is overlapped with the clamping hole, the clamping block is clamped in the clamping hole through the action of the fastening spring, and therefore the installation of the installation frame can be completed, the installation of a projection curtain is not required, the worker works on the top of the wall surface, and the installation danger is avoided.
According to the utility model, through the design of the threaded rod, the lifting block, the first bevel gear, the second bevel gear and other mechanisms, the handle is rotated, the handle rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the threaded rod to rotate in the mounting frame, the rotating abrasion of the threaded rod can be reduced through the arrangement of the rotating sleeve, the lifting block can be driven to move downwards on the outer wall of the threaded rod through the limiting effect of the limiting rod and the movable block by the rotation of the threaded rod, and the lifting block can be driven to move downwards by the downward movement of the lifting block, so that the projection curtain can be moved to the bottom of the wall surface, and the projection curtain can be cleaned conveniently.
Drawings
Fig. 1 is a schematic structural diagram of a classroom display device for computer teaching according to the present utility model;
fig. 2 is a schematic diagram of a portion a of a classroom display apparatus for computer teaching according to the present utility model;
fig. 3 is a schematic sectional structural view of a mounting frame, a threaded rod, etc. of a classroom display device for computer teaching;
FIG. 4 is a schematic diagram of the internal structure of a protective housing of a classroom display device for computer teaching according to the present utility model;
fig. 5 is a schematic diagram of a part B of a classroom display apparatus for computer teaching according to the present utility model;
in the figure: 1. a mounting sleeve; 2. a mounting frame; 3. a threaded rod; 4. a lifting block; 5. a limiting block; 6. a bracket; 7. a micro motor; 8. winding a rod; 9. a projection curtain; 10. a movable block; 11. a first connection sleeve; 12. a telescopic rod; 13. a second connecting sleeve; 14. a limit rod; 15. a rotating sleeve; 16. a fastening spring; 17. a telescopic block; 18. a clamping block; 19. a clamping hole; 20. a telescopic spring; 21. a first bevel gear; 22. a second bevel gear; 23. a rotating shaft; 24. a handle; 25. a support block; 26. a protective shell; 27. and (5) a mounting seat.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-5, a classroom display device for computer teaching, including installation cover 1, demountable installation has mounting bracket 2 in the installation cover 1, install extension spring 20 in the mounting bracket 2, install fixture block 18 on the extension spring 20, set up clamping hole 19 on the installation cover 1, fixture block 18 joint is in clamping hole 19, threaded rod 3 is installed in the installation bracket 2 internal rotation, install stopper 5 on the threaded rod 3, the outer wall screw thread of threaded rod 3 has cup jointed lifter 4, install support 6 on the lifter 4, install micro motor 7 on the support 6, install rolling stick 8 on the micro motor 7, install projection curtain 9 on the rolling stick 8, install first bevel gear 21 on the threaded rod 3, the meshing has second bevel gear 22 on the first bevel gear 21, install pivot 23 on the second bevel gear 22, install handle 24 on the pivot 23. Firstly, the mounting seat 27 is arranged at the bottom end of a wall surface to be projected, then the mounting frame 2 is inserted into the mounting sleeve 1, the fastening spring 16 is compressed in the process that the mounting frame 2 enters into the mounting sleeve 1, the clamping block 18 props against the inner wall of the mounting sleeve 1, the telescopic spring 20 is compressed, the clamping block 18 enters into the clamping hole 19 under the action of the telescopic spring 20 when the clamping block 18 is overlapped with the clamping hole 19, the clamping block 18 can be clamped in the clamping hole 19 under the action of the fastening spring 16, the mounting of the mounting frame 2 can be completed, thereby the mounting of the projection curtain 9 is completed, workers do not need to work at the top of the wall surface, the mounting danger is avoided, when the projection curtain 9 needs to be cleaned, the handle 24 can be rotated to drive the rotating shaft 23 to rotate, the rotating shaft 23 can drive the second bevel gear 22 to rotate, the second bevel gear 22 rotates to drive the first bevel gear 21 to rotate, the first bevel gear 21 rotates to drive the threaded rod 3 to rotate in the mounting frame 2, the rotational abrasion of the threaded rod 3 can be reduced through the arrangement of the rotating sleeve 15, the threaded rod 3 rotates to drive the lifting block 4 to move downwards on the outer wall of the threaded rod 3 through the limiting effect of the limiting rod 14 and the movable block 10, the lifting block 4 moves downwards to drive the projection curtain 9 to move downwards, so that the projection curtain 9 can be moved to the bottom of a wall surface to facilitate cleaning of the projection curtain 9, when the projection curtain 9 is needed to be used, the reversible handle 24 can drive the projection curtain 9 to rise to a proper height, the micro motor 7 is started again, the micro motor 7 rotates to drive the winding rod 8 to rotate, the winding rod 8 rotates to drive the projection curtain 9 to be unfolded, at the moment, the picture of computer teaching can be displayed on the projection curtain 9, for students to learn and reference.
Further, a mounting seat 27 is mounted on one side of the mounting sleeve 1, and a fastening spring 16 is mounted on the inner wall of the mounting sleeve 1. The clamping block 18 is clamped in the clamping hole 19 by the action of the fastening spring 16.
Further, one end of a telescopic block 17 is installed in the installation frame 2, and the other end of the telescopic block 17 is installed on the clamping block 18. The stability of the extension spring 20 can be improved by the arrangement of the extension block 17.
Further, a rotating sleeve 15 is arranged in the mounting frame 2, and the threaded rod 3 is rotatably arranged in the rotating sleeve 15. The rotational wear of the threaded rod 3 can be reduced by the arrangement of the rotary sleeve 15.
Further, a protecting shell 26 is mounted on the outer wall of the mounting frame 2, and the rotating shaft 23 is rotatably mounted on the protecting shell 26. The first bevel gear 21 and the second bevel gear 22 can be protected by the provision of the protective housing 26.
Further, a first connecting sleeve 11 is arranged on one side of the mounting frame 2, one end of a telescopic rod 12 is inserted into the first connecting sleeve 11, a second connecting sleeve 13 is sleeved at the other end of the telescopic rod 12, and a limiting rod 14 is arranged on the second connecting sleeve 13. The limiting rod 14 can have a limiting effect through the connecting action of the telescopic rod 12.
Further, a supporting block 25 is arranged on the mounting frame 2, a handle 24 is rotatably arranged on the supporting block 25, a movable block 10 is arranged on the winding rod 8, and the movable block 10 is movably arranged in the limiting rod 14. Through the spacing effect of gag lever post 14 and movable block 10, threaded rod 3 rotates and can drive lifting block 4 and move down on the outer wall of threaded rod 3, and lifting block 4 moves down and can drive projection curtain 9 and move down to can remove projection curtain 9 to the bottom of wall, conveniently clean projection curtain 9.
The working principle of the utility model is as follows: firstly, the mounting seat 27 is arranged at the bottom end of a wall surface to be projected, then the mounting frame 2 is inserted into the mounting sleeve 1, the fastening spring 16 is compressed in the process that the mounting frame 2 enters into the mounting sleeve 1, the clamping block 18 props against the inner wall of the mounting sleeve 1, the telescopic spring 20 is compressed, the clamping block 18 enters into the clamping hole 19 under the action of the telescopic spring 20 when the clamping block 18 is overlapped with the clamping hole 19, the clamping block 18 can be clamped in the clamping hole 19 under the action of the fastening spring 16, the mounting of the mounting frame 2 can be completed, thereby the mounting of the projection curtain 9 is completed, workers do not need to work at the top of the wall surface, the mounting danger is avoided, when the projection curtain 9 needs to be cleaned, the handle 24 can be rotated to drive the rotating shaft 23 to rotate, the rotating shaft 23 can drive the second bevel gear 22 to rotate, the second bevel gear 22 rotates to drive the first bevel gear 21 to rotate, the first bevel gear 21 rotates to drive the threaded rod 3 to rotate in the mounting frame 2, the rotational abrasion of the threaded rod 3 can be reduced through the arrangement of the rotating sleeve 15, the threaded rod 3 rotates to drive the lifting block 4 to move downwards on the outer wall of the threaded rod 3 through the limiting effect of the limiting rod 14 and the movable block 10, the lifting block 4 moves downwards to drive the projection curtain 9 to move downwards, so that the projection curtain 9 can be moved to the bottom of a wall surface to facilitate cleaning of the projection curtain 9, when the projection curtain 9 is needed to be used, the reversible handle 24 can drive the projection curtain 9 to rise to a proper height, the micro motor 7 is started again, the micro motor 7 rotates to drive the winding rod 8 to rotate, the winding rod 8 rotates to drive the projection curtain 9 to be unfolded, at the moment, the picture of computer teaching can be displayed on the projection curtain 9, for students to learn and reference.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. A classroom display device for computer teaching, includes installation cover (1), its characterized in that: install mounting bracket (2) in installing sleeve (1) demountable installation, install extension spring (20) in mounting bracket (2), install fixture block (18) on extension spring (20), set up clamping hole (19) on installing sleeve (1), fixture block (18) joint is in clamping hole (19), threaded rod (3) are installed in mounting bracket (2) internal rotation, install stopper (5) on threaded rod (3), the outer wall screw thread of threaded rod (3) has cup jointed lifter (4), installs support (6) on lifter (4), installs miniature motor (7) on support (6), installs rolling stick (8) on miniature motor (7), installs projection curtain (9) on rolling stick (8), install first bevel gear (21) on threaded rod (3), the meshing has second bevel gear (22) on first bevel gear (21), installs pivot (23) on second bevel gear (22), installs handle (24) on pivot (23).
2. A classroom display apparatus for computer teaching as defined in claim 1 wherein: one side of the installation sleeve (1) is provided with an installation seat (27), and the inner wall of the installation sleeve (1) is provided with a fastening spring (16).
3. A classroom display apparatus for computer teaching as defined in claim 2 wherein: one end of a telescopic block (17) is arranged in the mounting frame (2), and the other end of the telescopic block (17) is arranged on the clamping block (18).
4. A classroom display apparatus for computer teaching as defined in claim 3 wherein: the installation frame (2) is internally provided with a rotating sleeve (15), and the threaded rod (3) is rotatably arranged in the rotating sleeve (15).
5. A classroom display apparatus for computer teaching as defined in claim 4 wherein: the outer wall of the mounting frame (2) is provided with a protective shell (26), and the rotating shaft (23) is rotatably arranged on the protective shell (26).
6. A classroom display apparatus for computer teaching as defined in claim 5 wherein: one side of the mounting frame (2) is provided with a first connecting sleeve (11), one end of a telescopic rod (12) is inserted into the first connecting sleeve (11), the other end of the telescopic rod (12) is sleeved with a second connecting sleeve (13), and a limiting rod (14) is arranged on the second connecting sleeve (13).
7. A classroom display apparatus for computer teaching as defined in claim 6 wherein: install on mounting bracket (2) and prop up piece (25), handle (24) rotate and install on prop up piece (25), install movable block (10) on rolling stick (8), movable block (10) movable mounting is in gag lever post (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321407157.7U CN220232226U (en) | 2023-06-05 | 2023-06-05 | Classroom display device for computer teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321407157.7U CN220232226U (en) | 2023-06-05 | 2023-06-05 | Classroom display device for computer teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220232226U true CN220232226U (en) | 2023-12-22 |
Family
ID=89193433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321407157.7U Active CN220232226U (en) | 2023-06-05 | 2023-06-05 | Classroom display device for computer teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220232226U (en) |
-
2023
- 2023-06-05 CN CN202321407157.7U patent/CN220232226U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |