CN211669760U - Teaching projector with dustproof construction - Google Patents
Teaching projector with dustproof construction Download PDFInfo
- Publication number
- CN211669760U CN211669760U CN202020536517.3U CN202020536517U CN211669760U CN 211669760 U CN211669760 U CN 211669760U CN 202020536517 U CN202020536517 U CN 202020536517U CN 211669760 U CN211669760 U CN 211669760U
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- Prior art keywords
- page
- projector
- leaf
- worm
- driving
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- 238000010276 construction Methods 0.000 title claims description 5
- 230000007306 turnover Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 9
- 230000008602 contraction Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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Abstract
The utility model discloses a teaching projector with a dustproof structure, which comprises a shell, wherein a projection module is arranged in the shell, a projection lamp for projecting images is arranged at the middle position of the lower side of the projection module, at least three mounting holes are arranged on the upper side plate of the shell, and fans are arranged in the mounting holes; the side board upside is equipped with turns over the page or leaf frame on the casing, it is equipped with two at least page or leaf boards that turn over in the page or leaf frame to turn over, turn over page or leaf board both ends and all rotate with the page or leaf frame and be connected, the utility model discloses drawback to current device improves, drives through drive arrangement and turns over a page or leaf board and rotate, drives when projector work and turns over the page or leaf board and open, dispels the heat to the projector through the fan, turns over the page or leaf board after the use and closes, prevents that the dust from getting into in the projector.
Description
Technical Field
The utility model relates to a movie & TV teaching technical field specifically is a teaching projector with dustproof construction.
Background
Under the background that the policy required by the nation and the income of people are continuously improved, the implementation of rural culture sharing engineering further promotes the rapid growth of the market of Chinese projectors, the projectors have the advantages of small volume, light weight and strong mobility, are substitutes of the traditional slide projectors and large and medium-sized projectors, and are widely applied to business demonstration, school teaching, movie and television playing and the like.
Often do not possess dustproof function in the projector of current application, can produce the deposition in the dust gets into the projector, reduce projector life, and the dustproof mode of taking the projector now all uses the dust cover to cover the projector, but is unfavorable for the heat dissipation of projector like this, causes the too high fault of projector temperature easily, is unfavorable for the use and the protection to the projector. Therefore, the teaching projector with the dustproof structure is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a teaching projector with dustproof construction to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a teaching projector with a dustproof structure comprises a shell, wherein a projection module is arranged in the shell, a projection lamp for projecting an image is arranged in the middle of the lower side of the projection module, at least three mounting holes are formed in an upper side plate of the shell, and fans are arranged in the mounting holes;
the upper side of the side plate on the shell is provided with a page turning frame, at least two page turning plates are arranged in the page turning frame, two ends of each page turning plate are rotatably connected with the page turning frame, an installation cavity is arranged on the right side of the page turning frame, a driving device used for providing driving force for the page turning plates is arranged in the installation cavity, and an opening device which is located on the same straight line with the projection lamp and used for opening and closing is arranged on the lower end face of the shell.
Preferably, the driving device comprises a turning motor, a driven wheel and a worm wheel, round shafts penetrating through the page turning frame are arranged at the right ends of the two page turning plates, one ends of the two round shafts, far away from the page turning frame, are fixedly connected with the worm wheel and the driven wheel respectively, two connecting rods are rotatably connected between the worm wheel and the driven wheel, the turning motor is mounted on the right side of the page turning frame, and a worm matched with the worm wheel is mounted at the output end of the turning motor.
Preferably, the opening device comprises a disc and a rotating plate, the disc is fixedly connected to the shell, a rotatable ring is connected to the periphery of the disc, a shrinkage hole is formed in the center of the disc, the periphery of the shrinkage hole is rotatably connected with one end of the rotating plate, a connecting strip is connected between the other end of the rotating plate and the ring, and a power component for driving the ring to rotate to open and close the shrinkage hole is arranged on the outer side of the ring.
Preferably, the power member comprises worm gear teeth and a driving motor, the worm gear teeth are arranged on the outer side face of the circular ring, the driving motor is mounted on the shell, a driving worm is mounted at the output end of the driving motor, and the driving worm is meshed with the worm gear teeth.
Preferably, both ends of the connecting strip are rotatably connected.
Preferably, the three fans are all the same in size and model.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a drive arrangement drives and turns over a page board and rotates, drives when projector work and turns over a page board and open, dispels the heat to the projector through the fan, turns over a page board after the use and closes, prevents that the dust from getting into in the projector.
2. The utility model discloses thereby teaching projector's opening device opens through power device control rotor plate control shrinkage cavity and closes, can prevent that the projector from causing the projection lamp fuzzy because of the dust during placing after work, influences the projector and uses.
Drawings
Fig. 1 is a schematic structural diagram of a teaching projector with a dustproof structure.
Fig. 2 is a schematic structural diagram of an opening device in a teaching projector with a dustproof structure.
Fig. 3 is a schematic sectional view of a teaching projector with a dustproof structure.
Fig. 4 is a schematic view of an external structure of a teaching projector with a dustproof structure.
Wherein: the projector comprises a shell 1, a page turning frame 2, a page turning plate 3, a page turning motor 4, a worm wheel 5, a circular shaft 6, a connecting rod 7, a driven wheel 8, a worm 9, a contraction hole 10, a disk 11, a rotating plate 12, a connecting strip 13, a circular ring 14, worm wheel teeth 15, a driving motor 16, a driving worm 17, a mounting hole 18, a fan 19, a mounting cavity 20, a projection module 21 and a projection lamp 22.
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. 1-4, in an embodiment of the present invention, a teaching projector with a dustproof structure includes a housing 1, a projection module 21 is installed inside the housing 1, a projection lamp 22 for projecting an image is installed at a middle position of a lower side of the projection module 21, at least three mounting holes 18 are formed in a side plate of the housing 1, and fans 19 are installed in the mounting holes 18;
the upper side of the side plate of the shell 1 is provided with a page turning frame 2, at least two page turning plates 3 are arranged in the page turning frame 2, two ends of each page turning plate 3 are rotatably connected with the page turning frame 2, the right side of the page turning frame 2 is provided with a mounting cavity 20, a driving device for providing driving force for the page turning plates 3 is arranged in the mounting cavity 20, and the lower end face of the shell 1 is provided with an opening device which is positioned on the same straight line with the projection lamp 22 and used for opening and closing; the three fans 19 are the same in size and model; when this teaching projector reuses, rotate through driving motor 16 and make drive worm 17 drive ring 14 and rotate the board 12 and open because the effect of connecting strip 13 is meeting, make projecting lamp 22 can throw away the picture that needs throw through shrinkage cavity 10, the page turning plate 3 at projector back drives worm wheel 5 through upset motor 4 simultaneously, worm wheel 5 passes through connecting rod 7 and drives from driving wheel 8, thereby make page turning plate 3 open, dispel the heat to the projector through inside fan 19, use at the projector and accomplish back opening device and page turning plate 3 and close and prevent that the dust from getting into inside the projector.
The driving device comprises a turnover motor 4, a driven wheel 8 and a worm wheel 5, round shafts 6 penetrating through a page turning frame 2 are arranged at the right ends of two page turning plates 3, one ends, far away from the page turning frame 2, of the two round shafts 6 are fixedly connected with the worm wheel 5 and the driven wheel 8 respectively, two connecting rods 7 are rotatably connected between the worm wheel 5 and the driven wheel 8, the turnover motor 4 is installed on the right side of the page turning frame 2, and a worm 9 used for being matched with the worm wheel 5 is installed at the output end of the turnover motor 4; this teaching projector drives worm wheel 5 through upset motor 4, and worm wheel 5 passes through connecting rod 7 and drives from driving wheel 8 to the page board 3 that turns over is opened in the messenger, can dispel the heat to the projector is inside, and page board 3 that turns over is closed after the projector uses the completion, prevents that the dust from getting into the projector.
The opening device comprises a disc 11 and a rotating plate 12, the disc 11 is fixedly connected to the shell 1, a rotatable ring 14 is connected to the periphery of the disc 11, a contraction hole 10 is formed in the center of the disc 11, the periphery of the contraction hole 10 is rotatably connected with one end of the rotating plate 12, a connecting strip 13 is connected between the other end of the rotating plate 12 and the ring 14, and a power component for driving the ring 14 to rotate to open and close the contraction hole 10 is arranged on the outer side of the ring 14; the power component comprises worm gear teeth 15 and a driving motor 16, the worm gear teeth 15 are arranged on the outer side surface of the circular ring, the driving motor 16 is arranged on the shell 1, the output end of the driving motor 16 is provided with a driving worm 17, and the driving worm 17 is meshed with the worm gear teeth 15; and both ends of the connecting strip 13 are rotatably connected. When this teaching projector reuses, rotate through driving motor 16 and make drive worm 17 drive ring 14 because the effect of connecting strip 13 during the time rotor plate 12 opened, make projection lamp 22 can throw away the picture that needs throw through shrinkage cavity 10, open device closed after the projector uses, can prevent that the dust from adhering to projection lamp 22 and shining into the fuzzy condition of image and taking place.
The utility model discloses a theory of operation is: when the teaching projector with the dustproof structure is used, the driving worm 17 is driven to drive the circular ring 14 through the rotation of the driving motor 16, the rotating plate 12 can be opened due to the effect of the connecting strip 13, the projection lamp 22 can project a picture to be projected through the shrinkage hole 10, meanwhile, the page turning plate 3 on the back of the projector drives the worm wheel 5 through the turning motor 4, the worm wheel 5 drives the driven wheel 8 through the connecting rod 7, the page turning plate 3 is opened, the projector is cooled through the internal fan 19, and after the projector is used, the opening device and the page turning plate 3 are closed to prevent dust from entering the inside of the projector.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a teaching projector with dustproof construction, includes casing (1), its characterized in that: a projection module (21) is installed in the shell (1), a projection lamp (22) for projecting images is arranged in the middle of the lower side of the projection module (21), at least three mounting holes (18) are formed in the upper side plate of the shell (1), and fans (19) are arranged in the mounting holes (18);
the utility model discloses a set of lamp box, including casing (1), side panel upside is equipped with and turns over page or leaf frame (2), it turns over page or leaf board (3) to be equipped with two at least in page or leaf frame (2) to turn over, turn over page or leaf board (3) both ends and all rotate with turning over page or leaf frame (2) and be connected, it is equipped with installation cavity (20) to turn over page or leaf frame (2) right side, be equipped with in installation cavity (20) and be used for providing the drive arrangement of drive power for turning over page or leaf board (3), be equipped with on the terminal surface under casing (1) and be located the opening device that.
2. The teaching projector with the dustproof structure as set forth in claim 1, wherein: drive arrangement includes upset motor (4), follows driving wheel (8) and worm wheel (5), two turn over page or leaf board (3) right-hand member all to be equipped with round axle (6) that pass page or leaf frame (2), two round axle (6) are kept away from the one end of turning over page or leaf frame (2) respectively with worm wheel (5) and follow driving wheel (8) fixed connection, worm wheel (5) and follow rotate between driving wheel (8) and be connected with two connecting rods (7), install on page or leaf frame (2) right side of turning over in upset motor (4), install motor (4) output be used for with worm wheel (5) complex worm (9).
3. The teaching projector with the dustproof structure as set forth in claim 1, wherein: the opening device comprises a disc (11) and a rotating plate (12), wherein the disc (11) is fixedly connected to the shell (1), the periphery of the disc (11) is connected with a rotatable ring (14), a shrinkage hole (10) is formed in the center of the disc (11), the periphery of the shrinkage hole (10) is rotatably connected with one end of the rotating plate (12), a connecting strip (13) is connected between the other end of the rotating plate (12) and the ring (14), and a power component for driving the ring (14) to rotate to open and close the shrinkage hole (10) is arranged on the outer side of the ring (14).
4. The teaching projector with the dustproof structure as set forth in claim 3, wherein: the power component comprises worm gear teeth (15) and a driving motor (16), the worm gear teeth (15) are arranged on the outer side face of the circular ring, the driving motor (16) is installed on the shell (1), a driving worm (17) is installed at the output end of the driving motor (16), and the driving worm (17) is meshed with the worm gear teeth (15).
5. The teaching projector with the dustproof structure as set forth in claim 3, wherein: both ends of the connecting strip (13) are rotatably connected.
6. The teaching projector with the dustproof structure as set forth in claim 1, wherein: the three fans (19) are all the same in size and model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020536517.3U CN211669760U (en) | 2020-04-13 | 2020-04-13 | Teaching projector with dustproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020536517.3U CN211669760U (en) | 2020-04-13 | 2020-04-13 | Teaching projector with dustproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211669760U true CN211669760U (en) | 2020-10-13 |
Family
ID=72743244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020536517.3U Expired - Fee Related CN211669760U (en) | 2020-04-13 | 2020-04-13 | Teaching projector with dustproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211669760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183667A (en) * | 2021-12-11 | 2022-03-15 | 山东普利斯林智能仪表有限公司 | High-adaptability household screen projection device |
-
2020
- 2020-04-13 CN CN202020536517.3U patent/CN211669760U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183667A (en) * | 2021-12-11 | 2022-03-15 | 山东普利斯林智能仪表有限公司 | High-adaptability household screen projection device |
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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: 20201013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |