CN217404720U - Adjustable projection device for online education - Google Patents
Adjustable projection device for online education Download PDFInfo
- Publication number
- CN217404720U CN217404720U CN202220302672.8U CN202220302672U CN217404720U CN 217404720 U CN217404720 U CN 217404720U CN 202220302672 U CN202220302672 U CN 202220302672U CN 217404720 U CN217404720 U CN 217404720U
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- CN
- China
- Prior art keywords
- projection
- box
- head
- air
- online education
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- 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.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000428 dust Substances 0.000 abstract description 19
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
Images
Abstract
The utility model relates to a projection arrangement technical field discloses a projection arrangement for online education with adjustable, and its structure includes the projection case, be provided with projection head, metal ring board and seal box on the projection case, projection head fixed connection is in the inside left side of projection case, metal ring board fixed connection is in the inside of projection case, and be located the periphery of projection head, the seal box fixed connection is in the upper left side of projection case, the hollow protection casing is connected through ring form magnet to the metal ring board, the inside of hollow protection casing is provided with the suction head. The utility model discloses a dust around the projection head carries out automatic absorption, thereby has avoided the dust to lead to the unclear phenomenon of projection head on attaching to the projection head, also need not the user regularly to clear up the projection head, has improved the definition in the projection arrangement use.
Description
Technical Field
The utility model relates to a projection arrangement technical field specifically is a projection arrangement for online education with adjustable.
Background
According to patent 202020642062.3, an adjustable online education projector includes: the front side and the rear side of the upper surface of the projection box are both provided with transversely arranged sliding chutes, and the front side and the rear side between the inner walls of the two sliding chutes are both provided with side grooves; the sleeve shaft is positioned above the projection box, a transverse plate parallel to the upper surface of the projection box is welded at the tail end of the sleeve shaft, at least three connecting springs which are uniformly distributed are fixed on the lower surface of the transverse plate, and the tail ends of the connecting springs are welded with the upper surface of the projection box; a through groove communicated with the interior of the sleeve shaft is formed in the middle of the upper surface of the sleeve shaft, a circle of circular groove is formed in the middle of the inner wall of the through groove, and a threaded rod with the tail end movably inserted into the through groove is arranged above the sleeve shaft; the beneficial effects of the utility model reside in that: the adjusting structure is simple in design, left and right adjustment can be achieved while up-and-down adjustment is achieved, adjusting flexibility is improved, and the adjusting process is simple and convenient.
Currently, the existing adjustable projection devices for online education have some disadvantages, such as; the existing adjustable projection device for online education cannot automatically absorb dust around the projection head, so that the dust is attached to the projection head, the phenomenon that the projection head is not clear is easily caused, a user is required to regularly clean the projection head, and the definition of the projection device in the using process is reduced. For this reason, new technical solutions need to be designed to solve the problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a projection arrangement for online education with adjustable has solved the problem that provides in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an adjustable projection device for online education comprises a projection box, wherein a projection head, a metal circular ring plate and a sealing box are arranged on the projection box, the projection head is fixedly connected to the left side inside the projection box, the metal circular ring plate is fixedly connected inside the projection box and located on the periphery of the projection head, the sealing box is fixedly connected to the upper left side of the projection box, the metal circular ring plate is connected with a hollow protective cover through a circular magnet, an air suction head is arranged inside the hollow protective cover, a water tank and an air pump are arranged on the sealing box, the water tank is located on the upper left side inside the sealing box, the air pump is fixedly connected to the bottom inside the projection box, a gas pipe and an air suction pipe are arranged on the air pump, one end of the gas pipe is located inside the water tank, and the other end of the gas pipe is connected to the upper end of the air pump in a sealing manner, one end of the air suction pipe is connected to the lower end of the air extractor in a sealing mode, the other end of the air suction pipe is connected to the left end of the hollow protective cover in a sealing mode, the air suction heads are evenly distributed inside the hollow protective cover and are connected with the inside of the hollow protective cover in a sealing mode through threads, the annular magnet is fixedly connected to the inside of the left end of the hollow protective cover, and the size of the annular magnet is matched with that of the metal annular plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a combination of metal ring board, seal box, ring form magnet, hollow protection casing, aspirator, basin, air extractor, gas-supply pipe and breathing pipe, when projection arrangement used, effectual realized carrying out the automatic absorption to the dust around the projection head, thereby avoided the dust to adhere to on the projection head and lead to the unclear phenomenon of projection head, also need not the user regularly to clear up the projection head, improved the definition in the projection arrangement use.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a front view of an adjustable projection device for online education according to the present invention;
FIG. 2 is a front view of a metal ring plate of the adjustable projection device for online education according to the present invention;
fig. 3 is a schematic structural view of the hollow protective cover of the adjustable projection device for online education according to the present invention;
fig. 4 is the utility model discloses a projection arrangement's seal box cross-sectional view is used in online education with adjustable.
In the figure: the projection box comprises a projection box 1, a projection head 2, a metal circular plate 3, a seal box 4, a circular magnet 5, a hollow protective cover 6, an air suction head 7, a water tank 8, an air pump 9, an air delivery pipe 10 and an air suction pipe 11.
Detailed Description
Referring to fig. 1-4, the present invention provides a technical solution: an adjustable projection device for online education comprises a projection box 1, wherein a projection head 2, a metal circular plate 3 and a sealing box 4 are arranged on the projection box 1, the projection head 2 is fixedly connected to the left side inside the projection box 1, the metal circular plate 3 is fixedly connected to the inside of the projection box 1 and is located on the periphery of the projection head 2, the sealing box 4 is fixedly connected to the upper left side of the projection box 1, the metal circular plate 3 is connected with a hollow protection cover 6 through a circular ring-shaped magnet 5, an air suction head 7 is arranged inside the hollow protection cover 6, a water tank 8 and an air pump 9 are arranged on the sealing box 4, the water tank 8 is located on the upper left side inside the sealing box 4, the air pump 9 is fixedly connected to the bottom inside the projection box 1, and an air delivery pipe 10 and an air suction pipe 11 are arranged on the air pump 9, in the embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, by combining the metal circular ring plate 3, the seal box 4, the circular magnet 5, the hollow shield 6, the suction head 7, the water tank 8, the air extractor 9, the air pipe 10 and the air suction pipe 11, when the projection apparatus is used, the air extractor 9 operates, the air extractor 9 absorbs dust inside the hollow shield 6 through the air suction pipe 11, the suction head 7 absorbs dust around the projection head 2, and the air extractor 9 conveys the absorbed dust to the inside of the water tank 8 through the air pipe 10, when the shield 6 needs to be detached, the circular magnet 5 can be directly taken down from the metal circular ring plate 3, thereby effectively realizing automatic absorption of dust around the projection head 2, avoiding the phenomenon that the projection head 2 is unclear due to dust attached to the projection head 2, the user does not need to clean the projection head 2 regularly, and the definition of the projection device in the using process is improved.
In this embodiment, referring to fig. 1 and fig. 4, one end of the air pipe 10 is located inside the water tank 8, and the other end of the air pipe 10 is hermetically connected to the upper end of the air pump 9, so that the air pump 9 can effectively and conveniently deliver the absorbed dust to the inside of the water tank 8 through the air pipe 10.
In this embodiment, referring to fig. 1 and 4, one end of the air suction pipe 11 is hermetically connected to the lower end of the air pump 9, and the other end of the air suction pipe 11 is hermetically connected to the left end of the hollow protection cover 6, which is used for effectively and conveniently enabling the air pump 9 to absorb dust inside the hollow protection cover 6 through the air suction pipe 11.
In this embodiment, referring to fig. 1, the suction heads 7 are uniformly distributed inside the hollow shield 6 and are hermetically connected to the inside of the hollow shield 6 through threads, which is effective to facilitate the suction heads 7 to absorb dust around the projection head 2.
In this embodiment, referring to fig. 2 and 3, the annular magnet 5 is fixedly connected to the inside of the left end of the hollow shield 6, the size of the annular magnet 5 is matched with the size of the metal annular plate 3, and the function of the annular magnet is to effectively and conveniently connect the hollow shield 6 with the metal annular plate 3 through the annular magnet 5.
It should be noted that, the adjustable projection device for online education of the present invention includes a projection box 1, a projection head 2, a metal circular plate 3, a seal box 4, a circular magnet 5, a hollow shield 6, a suction head 7, a water tank 8, an air pump 9, a gas pipe 10, a suction pipe 11, and other components are all general standard components or known by those skilled in the art, the structure and principle of the device are all known by the technical manual or by the conventional experimental method, at the idle position of the device, all the above electric devices, which refer to the power components, electric devices and the adaptive monitoring computer, are connected by wires, and the specific connection means should refer to the following working principle, wherein the electric devices complete the electric connection in sequence, the detailed connection means, which is known in the art, the following main description of the working principle and process, no description is made on electrical control, when the adjustable projection device for online education is used, through the combination of the metal circular ring plate 3, the seal box 4, the circular ring-shaped magnet 5, the hollow protective cover 6, the suction head 7, the water tank 8, the air pump 9, the air conveying pipe 10 and the air suction pipe 11, when the projection device is used, the air pump 9 operates, the air pump 9 absorbs dust inside the hollow protective cover 6 through the air suction pipe 11, then the suction head 7 absorbs dust around the projection head 2, and then the air pump 9 conveys the absorbed dust to the inside of the water tank 8 through the air conveying pipe 10, when the protective cover 6 is in need of disassembly, the circular ring-shaped magnet 5 can be directly taken down from the metal circular ring plate 3, so that the dust around the projection head 2 can be effectively and automatically absorbed, the phenomenon that the projection head 2 is unclear due to the dust attached to the projection head 2 is avoided, the user does not need to clean the projection head 2 regularly, and the definition of the projection device in the using process is improved.
Claims (5)
1. The utility model provides a projection arrangement for online education with adjustable, includes projection box (1), its characterized in that: the projection box is characterized in that a projection head (2), a metal circular ring plate (3) and a sealing box (4) are arranged on the projection box (1), the projection head (2) is fixedly connected to the left side inside the projection box (1), the metal circular ring plate (3) is fixedly connected to the inside of the projection box (1) and is located on the periphery of the projection head (2), the sealing box (4) is fixedly connected to the upper left side of the projection box (1), the metal circular ring plate (3) is connected with a hollow protective cover (6) through a circular ring-shaped magnet (5), an air suction head (7) is arranged inside the hollow protective cover (6), a water tank (8) and an air extractor (9) are arranged on the sealing box (4), the water tank (8) is located on the upper left side inside the sealing box (4), the air extractor (9) is fixedly connected to the bottom inside the projection box (1), the air pump (9) is provided with an air delivery pipe (10) and an air suction pipe (11).
2. The adjustable projection device for online education as claimed in claim 1, wherein: one end of the air conveying pipe (10) is located inside the water tank (8), and the other end of the air conveying pipe (10) is connected to the upper end of the air pump (9) in a sealing mode.
3. The adjustable projection device for online education as claimed in claim 1, wherein: one end of the air suction pipe (11) is connected to the lower end of the air extractor (9) in a sealing mode, and the other end of the air suction pipe (11) is connected to the left end of the hollow protective cover (6) in a sealing mode.
4. The adjustable projection device for online education as claimed in claim 1, wherein: the suction heads (7) are uniformly distributed inside the hollow protective cover (6) and are in sealing connection with the inside of the hollow protective cover (6) through threads.
5. The adjustable projection device for online education as claimed in claim 1, wherein: the annular magnet (5) is fixedly connected to the inside of the left end of the hollow protective cover (6), and the size of the annular magnet (5) is matched with that of the metal annular plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220302672.8U CN217404720U (en) | 2022-02-15 | 2022-02-15 | Adjustable projection device for online education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220302672.8U CN217404720U (en) | 2022-02-15 | 2022-02-15 | Adjustable projection device for online education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217404720U true CN217404720U (en) | 2022-09-09 |
Family
ID=83136199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220302672.8U Expired - Fee Related CN217404720U (en) | 2022-02-15 | 2022-02-15 | Adjustable projection device for online education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217404720U (en) |
-
2022
- 2022-02-15 CN CN202220302672.8U patent/CN217404720U/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: 20220909 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |