CN217360528U - Chinese teaching blackboard-writing projector - Google Patents
Chinese teaching blackboard-writing projector Download PDFInfo
- Publication number
- CN217360528U CN217360528U CN202220370708.6U CN202220370708U CN217360528U CN 217360528 U CN217360528 U CN 217360528U CN 202220370708 U CN202220370708 U CN 202220370708U CN 217360528 U CN217360528 U CN 217360528U
- Authority
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- China
- Prior art keywords
- baffle
- projecting apparatus
- air inlet
- writing
- blackboard
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- Expired - Fee Related
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- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 5
- 239000000428 dust Substances 0.000 abstract description 20
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a chinese teaching blackboard writing projecting apparatus, including the projecting apparatus body, the activity is provided with the baffle that is used for sealing its air inlet and camera lens on the projecting apparatus body, has seted up a plurality of inlet channels on the baffle, and inlet channel's inside activity is provided with dustproof subassembly, and there are following two state changes in the baffle: in the first state, the baffle plate seals the lens, and an air inlet channel on the baffle plate is staggered with an air inlet; in the second state, the baffle plate is exposed out of the lens, and the air inlet channel on the baffle plate is opposite to the air inlet. The utility model provides a Chinese teaching blackboard-writing projector, when not using the projector body at ordinary times, the baffle is in the first state, can prevent effectively that the dust from piling up on the air intake and the camera lens of the projector body, influencing the follow-up use; when the projecting apparatus body is used to needs, the baffle removes, exposes the camera lens of projecting apparatus body, and inlet channel on the baffle is just to the air intake on the projecting apparatus body simultaneously, and the projecting apparatus body of being convenient for dispels the heat at the during operation.
Description
Technical Field
The utility model relates to a chinese teaching blackboard writing projecting apparatus.
Background
Along with the development of science and technology, people's standard of living is constantly improved, and multimedia technology also applies education trade gradually, and various multimedia classroom are established, and the most important part in multimedia classroom is the projecting apparatus, and the projecting apparatus can be put in electronic document on the curtain, makes things convenient for the student to study, has alleviateed mr's blackboard writing burden simultaneously.
According to patent number CN213629580U, open (announce) day 2021.07.06, the chinese teaching blackboard-writing projecting apparatus of disclosing, including main part and heating panel, the front end of main part is provided with the lens groove, and the left side movable mounting in lens groove has the dust cover, heating panel swing joint is in the left side of dust cover, the inside movable mounting of main part has the fan, and the right side swing joint of fan has the mounting plate, the top bolted connection of main part has the top cap, and the top movable mounting of top cap has a moving mechanism, moving mechanism's top activity is provided with adjustment mechanism, and adjustment mechanism's top welding has the locating plate, the inside movable mounting of locating plate has the dead bolt. The device is provided with a main body, and through the arrangement of a lens groove and a dust cover, when the device is used, the corresponding lens is fixed in the lens groove for projection work; the device is arranged through a connecting frame, a fluted disc, a gear and a connecting plate, when a user starts the device to perform Chinese teaching projection, the device can be rotated, the device drives the fluted disc through the connecting frame to rotate on the gear, the working angle of the device is freely rotated, the operating angle of the device is indirectly increased, the device can be adapted to different use environments, and meanwhile, the connecting frame is connected with the fluted disc through a bolt, so that the connecting frame is worn after being used for a long time, when the device cannot normally work, the fluted disc can be detached from the connecting frame through the bolt by the user, the connecting frame is maintained or replaced, and the maintenance timeliness of parts in the device is improved; the device passes through the setting of electric putter, link up the fishplate bar, the fixed ball, draw-in groove and adjusting bolt for the device is at work, when the running height needs to be adjusted, the user can start electric putter, make electric putter drive the connecting plate and go up and down, the connecting plate drives the main part and carries out the altitude mixture control, but make the device adaptation not blackboard class display device of equidimension, the operating efficiency of the improvement device, the rotatable link up fishplate bar of user simultaneously makes the link up fishplate bar drive the fixed ball, multi-angle rotating in the draw-in groove, finely tune the working angle of device.
The projecting apparatus just needs the deashing after using a period of time, the air intake is the place of the easiest deposition of projecting apparatus, secondly be exactly the camera lens of projecting apparatus, the air intake blocks up the radiating efficiency that can reduce the projecting apparatus, there is the dust to influence the projection quality of projecting apparatus on the camera lens, and the projecting apparatus that uses in the classroom generally hangs on the ceiling, the clearance dust still need follow the ceiling with the projecting apparatus and tear down, it is very inconvenient, and the dust advances the inside of projecting apparatus through the air intake easily, influence the normal work of projecting apparatus.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a chinese teaching blackboard-writing projecting apparatus aims at piling up the dust easily on the air intake of solving the projecting apparatus and the camera lens, influences the problem of projecting apparatus normal use.
In order to realize the above object, the utility model provides a chinese teaching blackboard-writing projecting apparatus, including the projecting apparatus body, the activity is provided with the baffle that is used for sealing its air inlet and camera lens on the projecting apparatus body, a plurality of inlet channel have been seted up on the baffle, inlet channel's inside activity is provided with dustproof subassembly, there are following two state changes in the baffle:
in the first state, the baffle plate seals the lens, and an air inlet channel on the baffle plate is staggered with an air inlet;
in the second state, the baffle plate is exposed out of the lens, and the air inlet channel on the baffle plate is opposite to the air inlet.
Preferably, the dustproof assembly comprises an installation plate movably installed in the air inlet channel, and a brush is arranged on the installation plate.
Preferably, a locking assembly for fixing the mounting plate inside the intake passage is provided inside the baffle plate.
Preferably, the locking assembly comprises a sliding rod which is slidably mounted inside the baffle, tenon blocks which correspond to the mounting plate one to one are arranged on the sliding rod, and tenon holes matched with the tenon blocks are formed in the mounting plate.
Preferably, the bottom of the tenon block is provided with a slope.
Preferably, the sliding rod is provided with a shifting block extending to the outer side of the baffle, and the baffle is provided with a notch for the shifting block to move.
Preferably, a spring is arranged between the sliding rod and the baffle.
Preferably, a driving assembly for driving the baffle to move is arranged inside the projector body.
Preferably, the driving assembly includes a gear rotatably mounted inside the projector body and a rack slidably mounted inside the projector body, the rack is engaged with the gear, and the baffle extends into the projector body and is fixedly mounted on the rack.
Preferably, the projector body is provided with an elastic metal sheet.
In the technical scheme, the utility model provides a pair of chinese teaching blackboard-writing projector possesses following beneficial effect: the activity is provided with the baffle that is used for sealing its air inlet and camera lens on the projecting apparatus body, has seted up a plurality of inlet channels on the baffle, and inlet channel's inside activity is provided with dustproof subassembly, and there are following two state changes in the baffle: in the first state, the baffle plate seals the lens, and an air inlet channel on the baffle plate is staggered with an air inlet; in a second state, the baffle plate is exposed out of the lens, and an air inlet channel on the baffle plate is over against the air inlet; when the projector body is not used at ordinary times, the baffle is in the first state, so that dust can be effectively prevented from being accumulated on the air inlet and the lens of the projector body to influence subsequent use; when the projecting apparatus body is needed to be used, the baffle moves, the lens of the projecting apparatus body is exposed, meanwhile, an air inlet channel on the baffle is just opposite to an air inlet on the projecting apparatus body, the projecting apparatus body works, the internal heat dissipation assembly sucks cold air from the air inlet to dissipate heat inside the projecting apparatus body, the cold air enters the air inlet through the air inlet channel on the baffle, a dustproof assembly is further arranged in the air inlet channel on the baffle, the dustproof assembly filters dust in the cold air, the heat dissipation assembly inside the projecting apparatus body is prevented from bringing the dust into the projecting apparatus body when sucking the cold air, the normal use of the projecting apparatus body is influenced, the dust cleaning frequency of the projecting apparatus body is reduced, and the workload of follow-up dust cleaning is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of an overall structure provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of an explosion structure provided by an embodiment of the present invention;
fig. 3 is a schematic view of an inner side structure of a baffle according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a locking assembly according to an embodiment of the present invention;
fig. 5 is an enlarged view of a portion a in fig. 4.
Description of the reference numerals:
1. a projector body; 2. a baffle plate; 31. mounting a plate; 32. a brush; 41. a slide bar; 42. shifting blocks; 43. a tenon block; 44. a spring; 51. a gear; 52. a rack.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.
As shown in fig. 1-5, a chinese teaching blackboard-writing projector includes a projector body 1, a baffle 2 for sealing an air inlet and a lens is movably disposed on the projector body 1, a plurality of air inlet channels are disposed on the baffle 2, a dustproof assembly is movably disposed in the air inlet channels, and the baffle 2 has two state changes:
in the first state, the baffle 2 seals the lens, and an air inlet channel on the baffle is staggered with an air inlet;
in the second state, the baffle 2 is exposed out of the lens, and the air inlet channel on the baffle is opposite to the air inlet.
Among the above-mentioned technical scheme, the activity is provided with baffle 2 that is used for sealing its air inlet and camera lens on the projecting apparatus body 1, has seted up a plurality of inlet channels on the baffle 2, and inlet channel's inside activity is provided with dustproof subassembly, and baffle 2 has following two state changes: in the first state, the baffle 2 seals the lens, and an air inlet channel on the baffle is staggered with an air inlet; in the second state, the baffle 2 is exposed out of the lens, and an air inlet channel on the baffle is opposite to the air inlet; when the projector body 1 is not used at ordinary times, the baffle 2 is in the first state, so that dust can be effectively prevented from being accumulated on an air inlet and a lens of the projector body 1 to influence subsequent use; when needs use projecting apparatus body 1, baffle 2 removes, expose the camera lens of projecting apparatus body 1, inlet channel on the baffle 2 is just to the air intake on the projecting apparatus body 1 simultaneously, projecting apparatus body 1 during operation, inside radiating component draws cold air from the air intake and dispels the heat to projecting apparatus body 1 is inside, cold air gets into the air intake through the inlet channel on the baffle 2, and still be provided with dustproof subassembly in the inlet channel on the baffle 2, dustproof subassembly filters the dust in the cold air, prevent that projecting apparatus body 1 inside radiating component from taking the dust inside projecting apparatus body 1 when drawing the cold air, influence projecting apparatus body 1's normal use, reduce the frequency of projecting apparatus body 1 deashing, alleviate the work load of follow-up deashing.
As a further embodiment of the present invention, as shown in fig. 4, the dustproof assembly includes a mounting plate 31 movably mounted in the air intake passage, and a brush 32 is disposed on the mounting plate 31; after baffle 2 switched to the second state by first state, the elastic metal sheet on projector body 1 can support on the fixed position on baffle 2, switches on 2 internal circuit of baffle, makes brush 32 have weak current incidentally, and dust in the absorption inlet channel air that electrified brush 32 can be better avoids projector body 1 inside radiating component during operation to take the dust to projector body 1.
As a further embodiment provided by the present invention, as shown in fig. 4-5, a locking assembly for fixing the mounting plate 31 inside the air intake channel is disposed inside the baffle 2, the locking assembly includes a sliding rod 41 slidably mounted inside the baffle 2, a tenon block 43 corresponding to the mounting plate 31 one by one is disposed on the sliding rod 41, a tenon hole adapted to the tenon block 43 is disposed on the mounting plate 31, a slope is disposed at the bottom of the tenon block 43, a shifting block 42 extending to the outside of the baffle 2 is disposed on the sliding rod 41, a notch for moving the shifting block 42 is disposed on the baffle 2, and a spring 44 is disposed between the sliding rod 41 and the baffle 2; when the dustproof assembly needs to be cleaned or replaced, the shifting block 42 is shifted to drive the sliding rod 41 to move, the spring 44 is extruded, the tenon block 43 is driven to leave the tenon hole in the mounting plate 31, and the mounting plate 31 and the brush 32 on the mounting plate can be taken out; when inserting the dustproof component back into the baffle 2, the mounting plate 31 is inserted into the baffle 2 along the air inlet channel, the top of the mounting plate 31 firstly abuts against the slope on the tenon block 43, the mounting plate 31 continuously moves to abut against the tenon block 43 to be retracted into the baffle 2, after the mounting plate 31 reaches a preset position, the spring 44 abuts against the push slide rod 41 to move, then the tenon block 43 is driven to be inserted into the tenon hole in the mounting plate 31, and the mounting plate 31 is fixed in the baffle 2.
As a further embodiment provided by the present invention, as shown in fig. 2-3, a driving assembly for driving the baffle 2 to move is provided inside the projector body 1, the driving assembly includes a gear 51 rotatably installed inside the projector body 1 and a rack 52 slidably installed inside the projector body 1, the rack 52 is engaged with the gear 51, and the baffle 2 extends into the projector body 1 and is fixedly installed on the rack 52; when the projector body 1 needs to be used, a motor inside the projector body 1 drives a gear 51 to rotate, the gear 51 drives the baffle 2 to move along a sliding groove on the projector body 1 through a rack 52 meshed with the gear 51, and the baffle 2 is switched from a first state to a second state; after the projector body 1 is used, the motor rotates reversely to drive the baffle 2 to move, and the baffle 2 is switched back to the first state from the second state.
Further, as shown in fig. 2-3, the projector body 1 is provided with the elastic metal sheet, after the baffle 2 is switched from the first state to the second state, the elastic metal sheet on the projector body 1 can abut against the fixed position on the baffle 2, the internal circuit of the baffle 2 is switched on, so that the brush 32 is accompanied by weak current, the charged brush 32 can better adsorb dust in the air inlet channel, and the dust is prevented from being brought into the projector body 1 when the heat dissipation assembly inside the projector body 1 works.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The utility model provides a chinese teaching blackboard writing projecting apparatus, includes projecting apparatus body (1), its characterized in that, the activity is provided with baffle (2) that are used for sealing its air inlet and camera lens on projecting apparatus body (1), a plurality of inlet channel have been seted up on baffle (2), inlet channel's inside activity is provided with dustproof subassembly, there are following two state changes in baffle (2):
in a first state, the baffle (2) seals the lens, and an air inlet channel on the baffle is staggered with an air inlet;
in the second state, the baffle (2) is exposed out of the lens, and an air inlet channel on the baffle is opposite to the air inlet.
2. A language teaching blackboard-writing projector according to claim 1, wherein the dust-proof assembly includes a mounting plate (31) movably mounted in the air intake passage, and the mounting plate (31) is provided with a brush (32).
3. A blackboard-writing projector according to claim 2, characterised in that the internal part of the baffle (2) is provided with a locking assembly for fixing the mounting plate (31) inside the intake channel.
4. A blackboard-writing projector according to claim 3, wherein the locking assembly includes a sliding rod (41) slidably mounted inside the baffle (2), the sliding rod (41) is provided with tenon blocks (43) corresponding to the mounting plate (31), and the mounting plate (31) is provided with tenon holes adapted to the tenon blocks (43).
5. A Chinese teaching blackboard-writing projector according to claim 4, wherein the bottom of the tenon block (43) is provided with a slope.
6. A blackboard-writing projector according to claim 4, characterised in that the slide rod (41) is provided with a shifting block (42) extending to the outside of the baffle (2), and the baffle (2) is provided with a notch for the shifting block (42) to move.
7. A Chinese teaching blackboard-writing projector according to claim 4, characterised in that a spring (44) is provided between the slide bar (41) and the baffle (2).
8. A blackboard-writing projector according to claim 1, characterised in that the projector body (1) is internally provided with a driving assembly for driving the movement of the baffle (2).
9. A chinese teaching blackboard-writing projector according to claim 8, wherein the driving assembly includes a gear (51) rotatably mounted inside the projector body (1) and a rack (52) slidably mounted inside the projector body (1), the rack (52) is engaged with the gear (51), the baffle (2) extends to the inside of the projector body (1) and is fixedly mounted on the rack (52).
10. A blackboard-writing projector according to claim 1, characterised in that the projector body (1) is provided with a resilient metal sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220370708.6U CN217360528U (en) | 2022-02-23 | 2022-02-23 | Chinese teaching blackboard-writing projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220370708.6U CN217360528U (en) | 2022-02-23 | 2022-02-23 | Chinese teaching blackboard-writing projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217360528U true CN217360528U (en) | 2022-09-02 |
Family
ID=83046243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220370708.6U Expired - Fee Related CN217360528U (en) | 2022-02-23 | 2022-02-23 | Chinese teaching blackboard-writing projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217360528U (en) |
-
2022
- 2022-02-23 CN CN202220370708.6U patent/CN217360528U/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: 20220902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |