CN212584694U - Multimedia projection support - Google Patents
Multimedia projection support Download PDFInfo
- Publication number
- CN212584694U CN212584694U CN202021357346.4U CN202021357346U CN212584694U CN 212584694 U CN212584694 U CN 212584694U CN 202021357346 U CN202021357346 U CN 202021357346U CN 212584694 U CN212584694 U CN 212584694U
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- Prior art keywords
- gear
- fixed
- supporting plate
- plate
- fixing
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- 239000000725 suspension Substances 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a multimedia projection support, its technical scheme main points are: including the layer board, still include: the first gear is rotatably connected to the bottom surface of the supporting plate; the first servo motor is fixed on the supporting plate and used for driving the first gear to rotate; one end of the suspension rod is eccentrically fixed on the bottom surface of the first gear; the support plate is fixed at the bottom end of the hanging rod; the first supporting plate is fixed on the bottom surface of the support plate; the second supporting plate is rotatably connected with the first supporting plate; the second servo motor is fixed on the first supporting plate and used for driving the second supporting plate to rotate; this multimedia projection support can automize when using and carry out projection angle adjustment to the projecting apparatus who fixes in the fixed plate top.
Description
Technical Field
The utility model relates to a multi-media field, in particular to multi-media projection support.
Background
Multimedia teaching is becoming more and more common, and the key equipment for realizing multimedia teaching is a projector which is mostly installed and fixed in a hoisting mode.
Can refer to current chinese patent with publication number CN109630845A, it discloses a projecting apparatus hoist and mount frame that multimedia classroom used, including the projecting apparatus, the apparatus further comprises a rotating shaft, the head rod, adjusting device, the second connecting rod, a fixed base, rotating device, bolt and mount pad, be equipped with the mounting hole on the mount pad, the rotating device is installed in the rotation of mount pad below, the rotating device below is equipped with the fixing base, the fixing base below is equipped with the second connecting rod, the second connecting rod passes through hinged joint with the head rod, the head rod is connected with the pivot, the lower extreme and the projecting apparatus spliced pole of pivot are connected, the lower extreme fixedly connected with projecting apparatus of projecting apparatus spliced pole.
The projector hoisting frame for the multimedia classroom has the advantages of simple and reliable structure. However, the projector mount for the multimedia classroom still has some disadvantages, such as: it is not possible to adjust the projection pitch angle of the projector and to adjust the horizontal orientation angle of the projector.
SUMMERY OF THE UTILITY MODEL
To the problem mentioned in the background art, the utility model aims at providing a multimedia projection support to solve the problem mentioned in the background art.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a multimedia projection support, comprising a support plate, further comprising:
the first gear is rotatably connected to the bottom surface of the supporting plate;
the first servo motor is fixed on the supporting plate and used for driving the first gear to rotate;
one end of the suspension rod is eccentrically fixed on the bottom surface of the first gear;
the support plate is fixed at the bottom end of the hanging rod;
the first supporting plate is fixed on the bottom surface of the support plate;
the second supporting plate is rotatably connected with the first supporting plate;
the second servo motor is fixed on the first supporting plate and used for driving the second supporting plate to rotate;
and a fixing plate for fixing the projector, the fixing plate being fixed to an end side of the second support plate.
Preferably, the supporting plate is rotatably connected with a first fixing rod, a second gear and a third gear are fixed outside the first fixing rod, a fourth gear is fixed at the end of a motor shaft of the first servo motor, the second gear is meshed with the first gear, and the third gear is meshed with the fourth gear.
Preferably, the supporting plate is fixedly provided with a second fixing rod through flange connection, and the first gear is rotatably connected to the outer portion of the second fixing rod through a bearing.
Preferably, the supporting plate is provided with a protective cover outside the first gear, the second gear, the third gear and the fourth gear, two mounting plates are fixed on the protective cover, and the two mounting plates are fixed on the supporting plate through first locking bolts respectively.
Preferably, a disc is fixedly welded at the bottom end of the hanging rod, and the disc is fixed above the support plate through a plurality of second locking bolts.
Preferably, a retainer ring is fixed on the fixing plate in a welding mode, and the projector is clamped in the retainer ring.
Preferably, two L-shaped plates are symmetrically fixed on the retainer ring, and pressure rods for compressing the projector are respectively in threaded connection in the two L-shaped plates.
Preferably, the end parts of the two pressure rods are respectively fixed with a rubber pressing block.
To sum up, the utility model discloses following beneficial effect has at least:
this multimedia projection support can be automatic when using carries out projection angular adjustment to the projecting apparatus of fixing in the fixed plate top, when starting first servo motor, first servo motor can drive first gear revolve, and then drive the jib, the support plate carries out horizontal rotation, thereby can carry out horizontal rotation to the projecting apparatus of fixing on the fixed plate, adjust its level orientation angle, when starting the second servo motor on the first backup pad, it can drive the second backup pad and rotate, thereby can drive fixed plate and projecting apparatus and carry out every single move orientation angular adjustment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a structural sectional view of the present invention;
fig. 3 is a schematic structural diagram of the present invention after the protective cover is hidden.
Reference numerals: 1. a support plate; 2. a first gear; 3. a first servo motor; 4. a boom; 5. a carrier plate; 6. a first support plate; 7. a second support plate; 8. a second servo motor; 9. a fixing plate; 10. a projector; 11. a first fixing lever; 12. a second gear; 13. a third gear; 14. a fourth gear; 15. a flange; 16. a second fixing bar; 17. a protective cover; 18. mounting a plate; 19. a first locking bolt; 20. a disc; 21. a second locking bolt; 22. a retainer ring; 23. an L-shaped plate; 24. a pressure lever; 25. and (5) pressing the rubber into blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a multimedia projection stand includes a support plate 1; in order to drive projecting apparatus 10 and carry out horizontal rotation, and then change its orientation angle, be connected with first gear 2 in the bottom surface rotation of layer board 1, fixed being used for driving first gear 2 pivoted first servo motor 3 on layer board 1 simultaneously, can drive first gear 2 and rotate when first servo motor 3 starts, drive to be located 2 below projecting apparatus 10 of first gear and carry out horizontal rotation then, adjust its level and move towards the angle.
Referring to fig. 1 and 2, in order to fix the projector 10 and adjust the pitch angle of the projector 10, a support plate 5 is fixed at the bottom end of a suspension rod 4, a first support plate 6 is fixed at the bottom surface of the support plate 5, a second support plate 7 is rotatably connected to the first support plate 6, a second servo motor 8 for driving the second support plate 7 to rotate is fixed to the first support plate 6, and a fixing plate 9 for fixing the projector 10 is fixed to the second support plate 7; when the second servo motor 8 is started, it can drive the second support plate 7 to rotate, thereby driving the fixed plate 9 and the projector 10 to adjust the pitch angle.
Referring to fig. 1 and 2, this multimedia projection support can be automatic when using carries out projection angular adjustment to fixing the projecting apparatus 10 in fixed plate 9 top, when starting first servo motor 3, first servo motor 3 can drive first gear 2 and rotate, and then drive jib 4, support plate 5 carries out horizontal rotation, thereby can carry out horizontal rotation to fixed projecting apparatus 10 on fixed plate 9, adjust its level and move towards the angle, when starting second servo motor 8 on first backup pad 6, it can drive second backup pad 7 and rotate, thereby can drive fixed plate 9 and projecting apparatus 10 and carry out every single move and move towards angular adjustment.
Referring to fig. 2 and 3, in order to reduce the rotation speed of the first gear 2, a first fixing rod 11 is rotatably connected to the supporting plate 1, a second gear 12 and a third gear 13 are fixed to the outside of the first fixing rod 11, a fourth gear 14 is fixed to an end of a motor shaft of the first servo motor 3, wherein the second gear 12 is engaged with the first gear 2, the third gear 13 is engaged with the fourth gear 14, the fourth gear 14 can be driven to rotate when the first servo motor 3 is started, and the third gear 13, the first fixing rod 11 and the second gear 12 are driven to rotate, so that the first gear 2 is driven to rotate, and thus, two-stage speed reduction is realized.
Referring to fig. 2 and 3, in order to improve the stability of the rotation of the first gear 2, a second fixing rod 16 is fixedly connected to the supporting plate 1 through a flange 15, and the first gear 2 is rotatably connected to the outside of the second fixing rod 16 through a bearing; in order to improve the safety of the device, a protective cover 17 is arranged outside the first gear 2, the second gear 12, the third gear 13 and the fourth gear 14 of the supporting plate 1, two mounting plates 18 are fixed on the protective cover 17, and the two mounting plates 18 are respectively fixed on the supporting plate 1 through first locking bolts 19.
Referring to fig. 1 and 3, in order to fix the suspension rod 4 and the carrier plate 5 conveniently, a disc 20 is welded and fixed at the bottom end of the suspension rod 4, the disc 20 is fixed above the carrier plate 5 through four second locking bolts 21, and the suspension rod 4 and the carrier plate 5 can be fixed conveniently by using the disc 20 and the second locking bolts 21; in order to stably fix the projector 10, a retainer ring 22 is fixedly welded on the fixing plate 9, and the projector 10 is clamped in the retainer ring 22; meanwhile, two L-shaped plates 23 are symmetrically fixed on the retainer ring 22, pressing rods 24 for pressing the projector 10 are respectively connected in the two L-shaped plates 23 in a threaded manner, and the projector 10 can be firmly pressed and fixed in the retainer ring 22 by utilizing the pressing rods 24 connected in a threaded manner; in order to prevent abrasion to the surface of the projector 10, rubber compacts 25 are fixed to the ends of the two pressing rods 24, respectively.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A multimedia projection support comprises a supporting plate (1), and is characterized in that: further comprising:
the first gear (2), the first gear (2) is rotatably connected to the bottom surface of the supporting plate (1);
the first servo motor (3) is fixed on the supporting plate (1) and used for driving the first gear (2) to rotate;
one end of the suspension rod (4) is eccentrically fixed on the bottom surface of the first gear (2);
the support plate (5), the said support plate (5) is fixed on the bottom end of the said suspender (4);
the first supporting plate (6), the said first supporting plate (6) is fixed on the bottom surface of the said carrier plate (5);
the second supporting plate (7), the second supporting plate (7) and the first supporting plate (6) are connected in a rotating mode;
the second servo motor (8), the second servo motor (8) is fixed on the first supporting plate (6) and used for driving the second supporting plate (7) to rotate;
and a fixing plate (9), the fixing plate (9) being used for fixing a projector (10), the fixing plate (9) being fixed on the end side of the second support plate (7).
2. The multimedia projection stand of claim 1, wherein: the supporting plate is characterized in that a first fixing rod (11) is connected to the supporting plate (1) in a rotating mode, a second gear (12) and a third gear (13) are fixed to the outer portion of the first fixing rod (11), a fourth gear (14) is fixed to the end portion of a motor shaft of the first servo motor (3), the second gear (12) is meshed with the first gear (2), and the third gear (13) is meshed with the fourth gear (14).
3. The multimedia projection stand of claim 1, wherein: the supporting plate (1) is fixedly connected with a second fixing rod (16) through a flange (15), and the first gear (2) is rotatably connected to the outer portion of the second fixing rod (16) through a bearing.
4. The multimedia projection stand of claim 2, wherein: the supporting plate (1) is characterized in that a first gear (2), a second gear (12), a third gear (13) and the outer portion of a fourth gear (14) are provided with a protective cover (17), two mounting plates (18) are fixed on the protective cover (17), and the two mounting plates (18) are fixed on the supporting plate (1) through first locking bolts (19) respectively.
5. The multimedia projection stand of claim 1, wherein: the bottom end of the suspender (4) is fixedly welded with a disc (20), and the disc (20) is fixed above the carrier plate (5) through a plurality of second locking bolts (21).
6. The multimedia projection stand of claim 1, wherein: a retainer ring (22) is fixed on the fixing plate (9) in a welding mode, and the projector (10) is clamped in the retainer ring (22).
7. The multimedia projection stand of claim 6, wherein: two L-shaped plates (23) are symmetrically fixed on the retainer ring (22), and pressing rods (24) used for pressing the projector (10) are respectively connected in the two L-shaped plates (23) in a threaded manner.
8. The multimedia projection stand of claim 7, wherein: rubber pressing blocks (25) are respectively fixed at the end parts of the two pressing rods (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021357346.4U CN212584694U (en) | 2020-07-11 | 2020-07-11 | Multimedia projection support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021357346.4U CN212584694U (en) | 2020-07-11 | 2020-07-11 | Multimedia projection support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212584694U true CN212584694U (en) | 2021-02-23 |
Family
ID=74653833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021357346.4U Expired - Fee Related CN212584694U (en) | 2020-07-11 | 2020-07-11 | Multimedia projection support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212584694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114815471A (en) * | 2022-04-20 | 2022-07-29 | 峰米(重庆)创新科技有限公司 | Projection device |
-
2020
- 2020-07-11 CN CN202021357346.4U patent/CN212584694U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114815471A (en) * | 2022-04-20 | 2022-07-29 | 峰米(重庆)创新科技有限公司 | Projection device |
| CN114815471B (en) * | 2022-04-20 | 2023-09-26 | 峰米(重庆)创新科技有限公司 | projection device |
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| 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: 20210223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |