CN216449887U - Projector for computer information technology teaching - Google Patents
Projector for computer information technology teaching Download PDFInfo
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- CN216449887U CN216449887U CN202122822397.0U CN202122822397U CN216449887U CN 216449887 U CN216449887 U CN 216449887U CN 202122822397 U CN202122822397 U CN 202122822397U CN 216449887 U CN216449887 U CN 216449887U
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- rod
- projector
- cleaning
- information technology
- top end
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- 238000004140 cleaning Methods 0.000 claims abstract description 44
- 239000000428 dust Substances 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of information technology teaching, in particular to a projector for computer information technology teaching, which comprises a top plate, wherein the bottom end of the top plate is provided with fixing rods in a rectangular shape, the fixing rods at the right end are connected through a cross rod, the top end of the cross rod is provided with an object placing rod, the top end of the object placing rod is provided with a sliding rod, the top end of the sliding rod is fixedly provided with a connecting rod, the top end of the top plate is provided with a fixing shaft, the bottom end of the fixing shaft is provided with a projector, the fixing rods at the left end are connected through a cross plate, the top end of the cross plate is provided with a cleaning device, the cleaning device comprises a cleaning rod, the bottom end of the cleaning rod is rotatably connected with the top end of the cross plate, the right end of the cleaning rod is provided with a cleaning brush, the right end of the cleaning rod is connected with the left end of the cleaning brush through a bolt, and the projection angle and the height of the projector can be conveniently adjusted, the limitation is reduced, the influence on the service life of the projector is reduced, and the practicability is improved.
Description
Technical Field
The utility model relates to the technical field of information technology teaching, in particular to a projector for computer information technology teaching.
Background
Information technology is known to use computers to store, retrieve, transmit and manipulate data or information, typically used in commercial or other enterprise environments, to project information technology as it is being taught, and computer information technology teaching projectors have been proposed.
The utility model patent of chinese patent No. CN202020439782.X discloses a projecting apparatus is used in computer information technology teaching, including base and projecting apparatus body, the inside of base is rotated and is connected with the pivot, and both ends all cup joint by first bevel gear about the pivot, and the left and right sides at base top all rotates and is connected with the lead screw, and the bottom of two lead screws all runs through and extends to the inside of base, and the second bevel gear has all been cup jointed to the bottom of two lead screws.
The above prior art solutions still have the following drawbacks: because the position of white curtain is different, inconvenient projection angle and the height to the projecting apparatus adjust, lead to the limitation higher, because the surface of projecting apparatus spreads the dust, influence the life of projecting apparatus, lead to the practicality higher.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides the projector for computer information technology teaching, which is convenient for adjusting the projection angle and height of the projector, reduces the limitation, reduces the influence on the service life of the projector and improves the practicability.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a projector for computer information technology teaching comprises a top plate, wherein the bottom end of the top plate is provided with fixing rods in a rectangular shape, the fixing rods at the right end are connected through cross rods, slide rails which slide up and down are arranged at the rear ends of the fixing rods at the front side of the right end and the front ends of the fixing rods at the rear side of the right end, the front ends and the rear ends of the cross rods are respectively in sliding fit with the slide rails, the top end of the top plate is provided with through holes which penetrate up and down, the top end of each cross rod is provided with a storage rod, the top end of each storage rod is provided with a slide rod, the top end of each slide rod penetrates through the through holes and extends towards the top end of the top plate, the top end of the slide rod is fixedly provided with a connecting rod, the top end of the top plate is provided with a fixing shaft, the top end of the fixing shaft is rotatably connected with the connecting rod, the top end of the top plate is provided with through holes which penetrate up and down, and the bottom end of the fixing shaft penetrates through the through holes and extends towards the bottom end of the top plate, and the bottom of fixed axle is provided with the projecting apparatus, and each dead lever that is located the left end passes through the diaphragm and connects to the top of diaphragm is provided with cleaning device, and cleaning device includes cleaning rod, and the bottom of cleaning rod is rotated with the top of diaphragm and is connected, and the right-hand member of cleaning rod is provided with the cleaning brush, and the right-hand member of cleaning rod and the left end of cleaning brush pass through bolted connection.
Preferably, the circumference outer wall of fixed axle is gone up the cover and is equipped with the short slab to a plurality of screw holes have been seted up on the top of short slab, and the top of short slab is provided with a plurality of threaded rods, and the bottom of each threaded rod passes each screw hole respectively and extends to the bottom of short slab, and the bottom of each threaded rod mutually supports with the top of projecting apparatus respectively.
Preferably, the bottom of roof is provided with first bracing piece and second bracing piece to the front end of first bracing piece and the front end of second bracing piece are all seted up around and run through put the thing hole, and the front end of first bracing piece is provided with the rotation axis, and the rear end of rotation axis passes and puts the thing hole and extend to the rear end of second bracing piece, and the cover is equipped with the gear on the circumference outer wall of rotation axis, and the top of horizontal pole is provided with the draw runner, and draw runner and gear engagement.
Preferably, the outer wall of the circumference of the fixed shaft is sleeved with a rotating rod.
Preferably, a pull rod is arranged at the front end of the rotating shaft.
Preferably, the top end of the cleaning rod is provided with a handle.
(III) advantageous effects
Compared with the prior art, the utility model provides a projector for computer information technology teaching, which has the following beneficial effects:
this projecting apparatus is used in teaching of computer information technology, it removes to put the thing pole through the horizontal pole drive that sets up, it removes to put the thing pole and drives the slide bar removal, the slide bar removes and drives the connecting rod removal, the connecting rod removes and drives the fixed axle removal, thereby adjust the height of projecting apparatus, through setting up the fixed axle, the fixed axle rotates and drives the projecting apparatus rotation, thereby change the angle of projecting apparatus, through setting up clean pole, clean pole rotates and drives clean brush rotation, the rotation bolt, the angle of clean pole of bolt adjustment and clean brush, thereby clean brush clears up the projecting apparatus, reduce the influence that the dust goes on to the projecting apparatus.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a right side schematic view of the present invention;
FIG. 3 is a schematic structural view of a top plate, a fixing rod, a transverse plate and the like;
fig. 4 is a schematic structural diagram of a fixed shaft, a projector, a short plate and the like of the utility model.
In the figure: 1. a top plate; 2. fixing the rod; 3. a cross bar; 4. a placement rod; 5. a slide bar; 6. a connecting rod; 7. a fixed shaft; 8. a projector; 9. a transverse plate; 10. a cleaning rod; 11. a cleaning brush; 12. a bolt; 13. a short plate; 14. a threaded rod; 15. a first support bar; 16. a second support bar; 17. a rotating shaft; 18. a gear; 19. a slide bar; 20. a rotating rod; 21. a pull rod; 22. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-4, a projector 8 for computer information technology teaching comprises a top plate 1, the bottom end of the top plate 1 is provided with a rectangular fixed rod 2, each fixed rod 2 at the right end is connected with a cross rod 3, the rear end of the fixed rod 2 at the front side of the right end and the front end of the fixed rod 2 at the rear side of the right end are both provided with slide rails sliding up and down, the front end and the rear end of the cross rod 3 are respectively matched with the slide rails in a sliding way, the top end of the top plate 1 is provided with a through hole penetrating up and down, the top end of the cross rod 3 is provided with an object placing rod 4, the top end of the object placing rod 4 is provided with a slide rod 5, the top end of the slide rod 5 penetrates through the through hole and extends towards the top end of the top plate 1, the top end of the slide rod 5 is fixedly provided with a connecting rod 6, the top end of the top plate 1 is provided with a fixed shaft 7, the top end of the fixed shaft 7 is rotatably connected with the connecting rod 6, and the top end of the top plate 1 is provided with a through hole penetrating up and down, the bottom end of the fixed shaft 7 penetrates through the through hole and extends to the bottom end of the top plate 1, the bottom end of the fixed shaft 7 is provided with a projector 8, each fixed rod 2 positioned at the left end is connected through a transverse plate 9, the top end of the transverse plate 9 is provided with a cleaning device, the cleaning device comprises a cleaning rod 10, the bottom end of the cleaning rod 10 is rotatably connected with the top end of the transverse plate 9, the right end of the cleaning rod 10 is provided with a cleaning brush 11, the right end of the cleaning rod 10 is connected with the left end of the cleaning brush 11 through a bolt 12, the transverse rod 3 is arranged, the movable transverse rod 3 drives the object placing rod 4 to move, the object placing rod 4 drives the sliding rod 5 to move, the sliding rod 5 drives the connecting rod 6 to move, the connecting rod 6 drives the fixed shaft 7 to move, so as to adjust the height of the projector 8, the fixed shaft 7 is arranged, the fixed shaft 7 is rotated to drive the projector 8 to rotate, so as to change the angle of the projector 8, through setting up clean pole 10, clean pole 10 rotates and drives clean brush 11 and rotate, and rotatory bolt 12, bolt 12 adjust the angle of clean pole 10 and clean brush 11 to clean up projector 8 by clean brush 11, reduce the influence that the dust goes on projector 8.
It should be further noted that the outer circumferential wall of the fixed shaft 7 is sleeved with a short plate 13, the top end of the short plate 13 is provided with a plurality of threaded holes, the top end of the short plate 13 is provided with a plurality of threaded rods 14, the bottom ends of the threaded rods 14 respectively penetrate through the threaded holes and extend towards the bottom end of the short plate 13, the bottom ends of the threaded rods 14 respectively cooperate with the top end of the projector 8, so as to fix the fixed shaft 7 conveniently, the bottom end of the top plate 1 is provided with a first support rod 15 and a second support rod 16, the front end of the first support rod 15 and the front end of the second support rod 16 are both provided with object placing holes penetrating forwards and backwards, the front end of the first support rod 15 is provided with a rotating shaft 17, the rear end of the rotating shaft 17 penetrates through the object placing holes and extends towards the rear end of the second support rod 16, the outer circumferential wall of the rotating shaft 17 is sleeved with a gear 18, and the top end of the cross rod 3 is provided with a slide bar 19, and the draw runner 19 meshes with gear 18, conveniently removes horizontal pole 3, and the cover is equipped with bull stick 20 on the circumference outer wall of fixed axle 7, conveniently rotates fixed axle 7, and the front end of rotation axis 17 is provided with pull rod 21, conveniently rotates rotation axis 17, and the top of cleaning rod 10 is provided with handle 22, conveniently rotates cleaning rod 10.
In summary, in the projector 8 for teaching computer information technology, when in use, firstly the pull rod 21 is rotated, the rotation shaft 17 is rotated by the rotation of the pull rod 21, the rotation shaft 17 is rotated to drive the gear 18 to rotate, the gear 18 is rotated to drive the gear 18 to move, the rack is moved to drive the cross rod 3 to move, the moving cross rod 3 drives the object placing rod 4 to move, the object placing rod 4 is moved to drive the slide rod 5 to move, the slide rod 5 is moved to drive the connecting rod 6 to move, the connecting rod 6 is moved to drive the fixed shaft 7 to move, thereby adjusting the height of the projector 8, the rotating rod 20 is rotated to drive the fixed shaft 7 to rotate, the fixed shaft 7 is rotated to drive the projector 8 to rotate, thereby changing the angle of the projector 8, the handle 22 is rotated to drive the cleaning rod 10 to rotate, the cleaning rod 10 is rotated to drive the cleaning brush 11 to rotate, the bolt 12 is rotated to adjust the angles of the cleaning rod 10 and the cleaning brush 11, the cleaning brush 11 thus cleans the projector 8, reducing the effect of dust on the projector 8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A projector (8) for teaching computer information technology, comprising a top plate (1), characterized in that: the bottom end of the top plate (1) is provided with fixing rods (2) in a rectangular shape, each fixing rod (2) at the right end is connected through a cross rod (3), the rear end of the fixing rod (2) at the front side of the right end and the front end of the fixing rod (2) at the rear side of the right end are both provided with slide rails which slide up and down, the front end and the rear end of each cross rod (3) are respectively matched with the slide rails in a sliding manner, the top end of the top plate (1) is provided with a through hole which penetrates up and down, the top end of each cross rod (3) is provided with a storage rod (4), the top end of each storage rod (4) is provided with a slide rod (5), the top end of each slide rod (5) penetrates through the through hole and extends towards the top end of the top plate (1), the top end of each slide rod (5) is fixedly provided with a connecting rod (6), the top end of the top plate (1) is provided with a fixing shaft (7), and the top end of each fixing shaft (7) is rotatably connected with the connecting rod (6), and the top of roof (1) is seted up the through-hole that runs through from top to bottom, and the bottom of fixed axle (7) passes the through-hole and extends to the bottom of roof (1), and the bottom of fixed axle (7) is provided with projecting apparatus (8), each dead lever (2) that are located the left end are connected through diaphragm (9), and the top of diaphragm (9) is provided with cleaning device, and cleaning device includes cleaning rod (10), and the bottom of cleaning rod (10) is rotated with the top of diaphragm (9) and is connected, and the right-hand member of cleaning rod (10) is provided with cleaning brush (11), and the right-hand member of cleaning rod (10) and the left end of cleaning brush (11) pass through bolt (12) and connect.
2. A projector (8) for computer information technology teaching according to claim 1, characterized in that: the circumference outer wall of fixed axle (7) is gone up the cover and is equipped with short plate (13), and a plurality of screw holes have been seted up on the top of short plate (13), and the top of short plate (13) is provided with a plurality of threaded rods (14), and the bottom of each threaded rod (14) passes each screw hole respectively and extends to the bottom of short plate (13), and the bottom of each threaded rod (14) mutually supports with the top of projecting apparatus (8) respectively.
3. A projector (8) for computer information technology teaching according to claim 2, characterized in that: the bottom of roof (1) is provided with first bracing piece (15) and second bracing piece (16), and the front end of first bracing piece (15) and the front end of second bracing piece (16) are all seted up the thing hole of putting that runs through around, and the front end of first bracing piece (15) is provided with rotation axis (17), and the rear end of rotation axis (17) is passed and is put the thing hole and extend to the rear end of second bracing piece (16), and the cover is equipped with gear (18) on the circumference outer wall of rotation axis (17), and the top of horizontal pole (3) is provided with draw runner (19), and draw runner (19) and gear (18) meshing.
4. A projector (8) for computer information technology teaching according to claim 3, characterized in that: the outer wall of the circumference of the fixed shaft (7) is sleeved with a rotating rod (20).
5. A projector (8) for computer information technology teaching according to claim 4, characterized in that: the front end of the rotating shaft (17) is provided with a pull rod (21).
6. A projector (8) for computer information technology teaching according to claim 5, characterized in that: the top end of the cleaning rod (10) is provided with a handle (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122822397.0U CN216449887U (en) | 2021-11-17 | 2021-11-17 | Projector for computer information technology teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122822397.0U CN216449887U (en) | 2021-11-17 | 2021-11-17 | Projector for computer information technology teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216449887U true CN216449887U (en) | 2022-05-06 |
Family
ID=81353568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122822397.0U Expired - Fee Related CN216449887U (en) | 2021-11-17 | 2021-11-17 | Projector for computer information technology teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216449887U (en) |
-
2021
- 2021-11-17 CN CN202122822397.0U patent/CN216449887U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220506 |