CN213123386U - Projecting apparatus convenient to heighten for teaching - Google Patents
Projecting apparatus convenient to heighten for teaching Download PDFInfo
- Publication number
- CN213123386U CN213123386U CN202022583262.9U CN202022583262U CN213123386U CN 213123386 U CN213123386 U CN 213123386U CN 202022583262 U CN202022583262 U CN 202022583262U CN 213123386 U CN213123386 U CN 213123386U
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- China
- Prior art keywords
- wall
- teaching
- sides
- projecting apparatus
- fixed mounting
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Abstract
The utility model discloses a projecting apparatus convenient to heighten for teaching belongs to teaching tool technical field, including the mounting panel, mounting panel bottom outer wall fixed mounting has the U template, and three side inner wall upper end fixed mounting of U template have the mount, and fixed mounting has elevator motor in the middle of the mount, the elevator motor lower extreme rotates installs the thread bush, and three side fixed mounting of thread bush circumference outer wall have the link, three link bottom fixed mounting has the intermediate lamella, and intermediate lamella bottom both sides fixed mounting has a protecting crust, and the body is installed in the inside rotation of protecting crust. The utility model discloses in work through elevator motor for the thread bush reciprocates, and then makes link, intermediate lamella, protecting crust reciprocate, and then reaches the purpose that the projecting apparatus is convenient for adjust the height, and the link slides and flexible loop bar, elasticity post cooperation work in spout and rectangle frame are inside, stability and security when greatly increased projecting apparatus adjustment height.
Description
Technical Field
The utility model relates to a teaching tool technical field especially relates to a projecting apparatus of being convenient for heighten is used in teaching.
Background
The projector is also called as a projector, is a device which can project images or videos onto a curtain and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV and the like through different interfaces to play corresponding video signals; projectors are of a wide variety.
The projecting apparatus is as a large screen display output device, also is applied to the education and teaching, makes things convenient for mr teaching and student's more comprehensive study, but current teaching projecting apparatus is fixed on the classroom top usually, makes things convenient for the projection, but in the face of different projection cloth, teaching projecting apparatus can angle of adjustment, but the height adjustment is very inconvenient, leads to unable better show teaching content, so needs a teaching projecting apparatus of being convenient for heighten.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a projector convenient for height adjustment for teaching.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a projecting apparatus convenient to increase for teaching, includes the mounting panel, mounting panel bottom outer wall fixed mounting has the U template, and three side inner wall upper end fixed mounting of U template has the mount, and fixed mounting has elevator motor in the middle of the mount, the elevator motor lower extreme rotates and installs the thread bush, and three side fixed mounting of thread bush circumference outer wall have the link, and is three link bottom fixed mounting has the intermediate lamella, and intermediate lamella bottom both sides fixed mounting has the protecting crust, and the inside rotation of protecting crust installs the body, fixed mounting has the rectangle frame in the middle of the three side inner walls of U template, has seted up the spout in the middle of the three side inner walls of U template, and the spout is located the rectangle frame.
Preferably, the inner walls of two sides of the rectangular frame are provided with limit grooves, and a telescopic loop bar is fixedly mounted in the middle of the inner wall of the bottom end of the rectangular frame.
Preferably, three link one end and both sides all extend there is the lug, and link and rectangle frame, spacing groove sliding connection, link bottom and flexible loop bar fixed connection.
Preferably, the lower end of the inner wall of one end of the U-shaped plate is fixedly provided with a supporting plate, and an elastic column is fixedly arranged between the supporting plate and the middle plate.
Preferably, a cross shaft is fixedly mounted in the middle of the inner walls of two sides of the protective shell, one end of the cross shaft is rotatably connected with two sides of the body, and a hydraulic column is hinged between the inner wall of the top end of the protective shell and the top end of the body.
Preferably, a heat dissipation fan is embedded in the middle of the inner wall of the bottom end of the protective shell.
Preferably, the upper ends of the inner walls of the two sides of the protective shell are respectively and fixedly provided with a movable motor and a bearing seat, a threaded rod is rotatably arranged between the movable motor and the bearing seat, and the circumferential outer wall of the threaded rod is rotatably sleeved with a brush.
The utility model has the advantages that:
1. the utility model provides a pair of projecting apparatus that height was convenient for was adjusted with teaching through elevator motor work for the thread bush reciprocates, and then makes link, intermediate lamella, protecting crust reciprocate, and then reaches the purpose that the projecting apparatus is convenient for adjust the height, and the link slides and flexible loop bar, elasticity post cooperation work in spout and rectangle frame inside, stability and security when greatly increased projecting apparatus adjustment height.
2. The utility model provides a pair of projecting apparatus convenient to increase is used in teaching is provided with through projecting apparatus and the inside bottom of protecting crust and rotates connecting piece, both sides and be provided with the cross axle, and the top is provided with the hydraulic pressure post for the projecting apparatus can be nimble stable adjustment projection angle, and inlays in the middle of the protecting crust bottom inner wall and install the heat dissipation fan, in time gives off the heat that the projecting apparatus produced, avoids the heat to concentrate and leads to the projecting apparatus to damage.
3. The utility model provides a pair of projecting apparatus that is convenient for heighten is used in teaching through mobile motor, threaded rod cooperation work for brush round trip movement, with projecting apparatus projection end outer wall clean up, avoid the projecting apparatus mirror surface to have dirty, cause the projection unclear, influence teaching efficiency.
Drawings
Fig. 1 is a schematic structural view of a projector for teaching that is convenient for height adjustment;
fig. 2 is a schematic side view of a rectangular frame of a projector for teaching, which is convenient for height adjustment;
fig. 3 is a schematic side view of a projector connecting frame for teaching convenience in height adjustment according to the present invention;
fig. 4 is the utility model provides a teaching is with being convenient for structure schematic diagram of height-adjusting's projecting apparatus protecting crust for 2.
In the figure: 1 rectangular frame, 2 mounts, 3 elevator motor, 4U type boards, 5 mounting panels, 6 spouts, 7 link, 8 thread bushes, 9 flexible loop bars, 10 elastic columns, 11 bodies, 12 heat dissipation fans, 13 hydraulic columns, 14 protective shells, 15 intermediate plates, 16 mobile motors, 17 threaded rods, 18 brushes.
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.
Example 1
Referring to fig. 1-3, a projecting apparatus convenient to heighten for teaching, including mounting panel 5, U template 4 is installed through the bolt to 5 bottom outer walls of mounting panel, and install mount 2 through the bolt in 4 three side inner walls upper ends of U template, install elevator motor 3 through the bolt in the middle of the mount 2, elevator motor 3 lower extreme rotates through the lead screw and installs thread bush 8, and the welding of 8 circumference outer wall three sides of thread bush has link 7, intermediate lamella 15 is installed through the bolt in 7 bottoms of three link, and the welding of 15 bottom both sides of intermediate lamella has protecting crust 14, the inside body 11 of rotating through rotating the connecting piece of installing of protecting crust 14, rectangle frame 1 is installed through the bolt in the middle of 4 three side inner walls of U template, spout 6 has been seted up in the middle of 4 three side inner walls of U template.
In the utility model, the inner walls of two sides of the three rectangular frames 1 are provided with limit grooves, and the middle of the inner wall of the bottom end of the rectangular frame 1 is provided with a telescopic loop bar 9 through a bolt;
the lugs extend from one end and two sides of each of the three connecting frames 7, the connecting frames 7 are connected with the rectangular frame 1 and the limiting groove in a sliding mode, and the bottom ends of the connecting frames 7 are connected with the telescopic loop bars 9 through bolts;
a support plate is arranged at the lower end of the inner wall of one end of the U-shaped plate 4 through a bolt, and an elastic column 10 is arranged between the support plate and the middle plate 15 through a bolt;
a transverse shaft is welded between the inner walls of the two sides of the protective shell 14, one end of the transverse shaft is rotatably connected with the middle of the two sides of the body 11 through a bearing, and a hydraulic column 13 is hinged between the inner wall of the top end of the protective shell 14 and the top end of the body 11;
the middle of the inner wall of the bottom end of the protective shell 14 is embedded with a heat radiation fan 12.
The working principle is as follows: the threaded sleeve 8 moves up and down through the work of the lifting motor 3, so that the connecting frame 7, the middle plate 15 and the protective shell 14 move up and down, the purpose of conveniently adjusting the height of the projector is achieved, the connecting frame 7 slides in the sliding groove 6 and the rectangular frame 1 and works in cooperation with the telescopic sleeve rod 9 and the elastic column 10, and the stability and the safety of the projector during height adjustment are greatly improved; be provided with through projecting apparatus and the inside bottom of protecting crust 14 and rotate the connecting piece, both sides are provided with the cross axle, and the top is provided with hydraulic pressure post 13 for projecting apparatus adjustment projection angle that can be nimble stable, and inlay in the middle of the 14 bottom inner walls of protecting crust and install heat dissipation fan 12, in time give off the heat that the projecting apparatus produced, avoid the heat to concentrate and lead to the projecting apparatus to damage.
Example 2
Referring to fig. 4, a projecting apparatus convenient to increase is used in teaching, further, the inner wall upper end of protective housing 14 both sides is installed respectively through the bolt and is removed motor 16 and bearing frame, and removes and rotate between motor 16 and the bearing frame and install threaded rod 17, and threaded rod 17 circumference outer wall rotates and cup joints brush 18.
The working principle is as follows: through the cooperation work of mobile motor 16, threaded rod 17 for 18 round trip movement of brush, with projecting apparatus projection end outer wall clean up, avoid the projecting apparatus mirror surface to have dirty, cause the projection unclear, influence teaching efficiency.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The projector convenient for height adjustment for teaching comprises a mounting plate (5) and is characterized in that a U-shaped plate (4) is fixedly mounted on the outer wall of the bottom of the mounting plate (5), a fixing frame (2) is fixedly mounted on the upper ends of the inner walls of three sides of the U-shaped plate (4), a lifting motor (3) is fixedly mounted in the middle of the fixing frame (2), a threaded sleeve (8) is rotatably mounted at the lower end of the lifting motor (3), a connecting frame (7) is fixedly mounted on three sides of the outer wall of the circumference of the threaded sleeve (8), a middle plate (15) is fixedly mounted at the bottom of the connecting frame (7), a protective shell (14) is fixedly mounted on two sides of the bottom of the middle plate (15), a body (11) is rotatably mounted inside the protective shell (14), a rectangular frame (1) is fixedly mounted in the middle of the inner walls of three, and the sliding groove (6) is positioned at the outer side of the rectangular frame (1).
2. The projector convenient to heighten for teaching according to claim 1, wherein the inner walls of two sides of the three rectangular frames (1) are respectively provided with a limiting groove, and the middle of the inner wall of the bottom end of each rectangular frame (1) is fixedly provided with a telescopic loop bar (9).
3. The projector convenient to adjust the height for teaching as claimed in claim 2, wherein the three connecting frames (7) have protruding blocks extending from one end and two sides, the connecting frames (7) are slidably connected with the rectangular frame (1) and the limiting groove, and the bottom ends of the connecting frames (7) are fixedly connected with the telescopic loop bars (9).
4. The projector convenient for height adjustment for teaching according to claim 1, wherein a supporting plate is fixedly installed at the lower end of the inner wall of one end of the U-shaped plate (4), and an elastic column (10) is fixedly installed between the supporting plate and the middle plate (15).
5. The projector convenient for height adjustment for teaching according to claim 1, wherein a cross shaft is fixedly mounted in the middle of the inner walls of the two sides of the protective shell (14), one end of the cross shaft is rotatably connected with the middle of the two sides of the body (11), and a hydraulic column (13) is hinged between the inner wall of the top end of the protective shell (14) and the top end of the body (11).
6. The projector convenient for height adjustment for teaching as claimed in claim 5, wherein a heat dissipation fan (12) is mounted in the middle of the inner wall of the bottom end of the protective shell (14).
7. The projector convenient to raise for teaching of claim 1, wherein the upper ends of the inner walls of the two sides of the protective shell (14) are respectively and fixedly provided with a movable motor (16) and a bearing seat, a threaded rod (17) is rotatably arranged between the movable motor (16) and the bearing seat, and the circumferential outer wall of the threaded rod (17) is rotatably sleeved with a brush (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022583262.9U CN213123386U (en) | 2020-11-10 | 2020-11-10 | Projecting apparatus convenient to heighten for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022583262.9U CN213123386U (en) | 2020-11-10 | 2020-11-10 | Projecting apparatus convenient to heighten for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213123386U true CN213123386U (en) | 2021-05-04 |
Family
ID=75668029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022583262.9U Expired - Fee Related CN213123386U (en) | 2020-11-10 | 2020-11-10 | Projecting apparatus convenient to heighten for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213123386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113920791A (en) * | 2021-10-30 | 2022-01-11 | 王旭 | Object projection arrangement for multimedia teaching |
-
2020
- 2020-11-10 CN CN202022583262.9U patent/CN213123386U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113920791A (en) * | 2021-10-30 | 2022-01-11 | 王旭 | Object projection arrangement for multimedia teaching |
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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: 20210504 Termination date: 20211110 |