CN212009892U - Multifunctional projection screen for teaching - Google Patents
Multifunctional projection screen for teaching Download PDFInfo
- Publication number
- CN212009892U CN212009892U CN202021033964.3U CN202021033964U CN212009892U CN 212009892 U CN212009892 U CN 212009892U CN 202021033964 U CN202021033964 U CN 202021033964U CN 212009892 U CN212009892 U CN 212009892U
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- CN
- China
- Prior art keywords
- pulling plate
- mounting frame
- projection screen
- display screen
- curtain device
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Abstract
The utility model provides a multifunctional projection screen for teaching, which is applied to the technical field of teaching equipment and comprises a mounting frame, a display screen, a pulling plate and a curtain device, wherein the mounting frame is provided with two fixed strips and a holding tank, the pulling plate is provided with a slide block, and the fixed strips are provided with a first chute and a second chute; the display screen is fixedly connected with the mounting frame, the pulling plate is movably connected with the mounting frame, the pulling plate shields the display screen, the curtain device is fixedly connected with the mounting frame, and the curtain device is positioned above the pulling plate; the display screen is accommodated in the accommodating groove, the pulling plate is positioned between the two fixing strips, the sliding block is accommodated in the first sliding groove, and the part of the pulling plate is accommodated in the second sliding groove; the lecturer is when using the projecting apparatus to give lessons, thereby can pull open the blackboard that the pulling plate will be sheltered from by the projection cloth and spill, convenient real-time explanation content of giving lessons, and the display screen then can cooperate the real-time explanation of blackboard when the lecturer does not use the projecting apparatus for lecturer's course content expression is more abundant.
Description
Technical Field
The application relates to the technical field of teaching equipment, in particular to a multifunctional projection screen for teaching.
Background
In the past, when a lecturer uses a projector to give a lecture, a writing board which records the lecture contents behind a projection cloth is shielded, so that the lecturer cannot use the writing board, and the lecturer needs to use an additional writing board to record the lecture contents, so that the lecturer is very inconvenient in the lecture process;
therefore, it is necessary to provide a multifunctional projection screen for lectures to solve the problem that the tablet cannot be used simultaneously when the lecturer gives a lecture.
SUMMERY OF THE UTILITY MODEL
This application aims at solving this lecturer and can't carry out the problem of using simultaneously at the clipboard when giving lessons, provides the multi-functional projection screen of usefulness of giving lessons.
The application adopts the following technical means for solving the technical problems:
the multifunctional projection screen comprises a mounting frame, a display screen, a pulling plate and a curtain device, wherein two fixing strips and two accommodating grooves are arranged on the mounting frame, a sliding block is arranged on the pulling plate, and a first sliding groove and a second sliding groove are arranged on the fixing strips;
the display screen is fixedly connected with the mounting frame, the pulling plate is movably connected with the mounting frame, the pulling plate shields the display screen, the curtain device is fixedly connected with the mounting frame, and the curtain device is positioned above the pulling plate;
the display screen is contained in the containing groove, the pulling plate is located between the two fixing strips, the sliding block is contained in the first sliding groove, and the pulling plate part is contained in the second sliding groove.
Furthermore, a plurality of mounting holes used for external fixation are formed in the mounting frame.
Further, a placing groove is formed in the mounting frame, and the curtain device is contained in the placing groove.
Furthermore, the multifunctional projection screen for teaching comprises a storage rack, the storage rack is fixedly connected with the mounting rack, and the storage rack is positioned below the pull plate.
Furthermore, a blackboard for writing is arranged on the pulling plate.
Furthermore, a handle for grasping is arranged on the pulling plate and is positioned on one side of the pulling plate, and the handle is close to the blackboard.
Furthermore, the multifunctional projection screen for teaching comprises a projection cloth, the projection cloth is movably connected with the curtain device, and the projection cloth shields the pulling plate.
Furthermore, an avoiding groove is formed in the mounting frame and communicated with the placing groove, and the projection cloth is partially contained in the avoiding groove.
Further, be equipped with a plurality of radiating grooves that are used for the heat dissipation on the mounting bracket, the radiating groove with the holding tank switches on.
Furthermore, a viewing window is arranged on the pulling plate and covers the display screen.
Has the advantages that: the application is a multifunctional projection screen for teaching, which comprises a mounting frame, a display screen, a pulling plate and a curtain device, wherein two fixing strips and two accommodating grooves are arranged on the mounting frame; the display screen is fixedly connected with the mounting frame, the pulling plate is movably connected with the mounting frame, the pulling plate shields the display screen, the curtain device is fixedly connected with the mounting frame, and the curtain device is positioned above the pulling plate; the display screen is accommodated in the accommodating groove, the pulling plate is positioned between the two fixing strips, the sliding block is accommodated in the first sliding groove, and the part of the pulling plate is accommodated in the second sliding groove; the lecturer is when using the projecting apparatus to give lessons, thereby can pull open the blackboard that the pulling plate will be sheltered from by the projection cloth and spill, convenient real-time explanation content of giving lessons, and the display screen then can cooperate the real-time explanation of blackboard when the lecturer does not use the projecting apparatus for lecturer's course content expression is more abundant.
Drawings
FIG. 1 is an exploded view of a multi-functional projection screen for teaching of the present application;
FIG. 2 is a schematic view of a mounting frame of the multi-functional projection screen for teaching of the present application;
FIG. 3 is a drawing view of a pull plate of the multi-functional projection screen for teaching of the present application.
The implementation, functional features and advantages of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the terms "comprises," "comprising," and "having" and any variations thereof in the description and claims of this application and the drawings described above are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. In the claims, the description and the drawings of the specification of the present application, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity/action/object from another entity/action/object without necessarily requiring or implying any actual such relationship or order between such entities/actions/objects.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1-3, the present application is a multifunctional projection screen for teaching, which includes an installation frame 1, a display screen 2, a pulling plate 3 and a curtain device 4, wherein the installation frame 1 is provided with two fixing strips 11 and an accommodating groove 12, the pulling plate 3 is provided with a sliding block 31, and the fixing strips 11 are provided with a first sliding groove 111 and a second sliding groove 112; the display screen 2 is fixedly connected with the mounting frame 1, the pulling plate 3 is movably connected with the mounting frame 1, the pulling plate 3 shields the display screen 2, the curtain device 4 is fixedly connected with the mounting frame 1, and the curtain device 4 is positioned above the pulling plate 3; the display screen 2 is accommodated in the accommodating groove 12, the pull plate 3 is positioned between the two fixed strips 11, the slide block 31 is accommodated in the first sliding groove 111, and part of the pull plate 3 is accommodated in the second sliding groove 112; a blackboard 32 for writing is arranged on the pulling plate 3; the multifunctional projection screen for teaching comprises a storage rack 5, wherein the storage rack 5 is fixedly connected with the mounting rack 1, and the storage rack 5 is positioned below the pull plate 3; the multifunctional projection screen for teaching comprises a projection cloth 6, wherein the projection cloth 6 is movably connected with a curtain device 4, and the projection cloth 6 shields a pull plate 3.
In the present embodiment:
the mounting frame 1 is used for providing a stable supporting structure for the display screen 2, the pulling plate 3 and the curtain device 4;
the number of the fixed bars 11 is two, and the fixed bars are used for clamping and limiting the sliding position of the pull plate 3;
the first sliding grooves 111 are two in total and are used for providing a sliding space for the sliding block 31;
the second sliding grooves 112 are two in total and are used for providing a sliding space for the pulling plate 3;
the accommodating groove 12 is used for providing a placing space for the display screen 2;
the display screen 2 is used for displaying teaching image information;
the pulling plate 3 is used for providing a movable writing board for the lecturer;
the number of the sliding blocks 31 is two, and the sliding blocks are used for providing a stable sliding support for the pulling plate 3;
the blackboard 32 is used to give the instructor a writing position;
the inside of the curtain device 4 is provided with a driving motor which is used for retracting and releasing the projection cloth 6;
the storage rack 5 is used for storing writing articles;
the projection cloth 6 is used for providing a position which is beneficial to projection for an external projector;
specifically, the lecturer is when using outside projecting apparatus to give lessons, and pulling pull plate 3 can show the content of giving lessons that has written from 6 sides of projection cloth, makes things convenient for the content of giving lessons of explaining in real time, and display screen 2 then can cooperate the real-time explanation of blackboard 32 on the pull plate 3 when the lecturer does not use outside projecting apparatus for the lecturer's course content expression is more abundant.
Further, a plurality of mounting holes 13 for external fixation are arranged on the mounting rack 1; the mounting rack 1 is provided with a placing groove 14, and the curtain device 4 is accommodated in the placing groove 14.
In the present embodiment:
the mounting hole 13 is used for fixing the multifunctional projection screen for teaching outwards;
the placing slot 14 is used for providing a placing space for the curtain device 4;
further, a handle 33 for grasping is arranged on the pulling plate 3, the handle 33 is positioned on one side of the pulling plate 3, and the handle 33 is close to the blackboard 32; the pull plate 3 is provided with a viewing window 34, and the viewing window 34 blocks the display screen 2.
In the present embodiment:
the handle 33 is used to give the instructor a grip position for facilitating pulling of the pulling plate 3;
the viewing window 34 is used to show the content played by the display 2.
Further, an avoiding groove 15 is formed in the mounting frame 1, the avoiding groove 15 is communicated with the placing groove 14, and the projection cloth 6 is partially accommodated in the avoiding groove 15; the mounting rack 1 is provided with a plurality of radiating grooves 16 for radiating heat, and the radiating grooves 16 are communicated with the accommodating groove 12.
In the present embodiment:
the avoidance groove 15 is used for providing an avoidance position for the folding and unfolding of the projection cloth 6;
the heat sink 16 is used to dissipate heat from the display 2.
Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A multifunctional projection screen for teaching is characterized by comprising a mounting frame, a display screen, a pulling plate and a curtain device, wherein two fixing strips and two accommodating grooves are arranged on the mounting frame;
the display screen is fixedly connected with the mounting frame, the pulling plate is movably connected with the mounting frame, the pulling plate shields the display screen, the curtain device is fixedly connected with the mounting frame, and the curtain device is positioned above the pulling plate;
the display screen is contained in the containing groove, the pulling plate is located between the two fixing strips, the sliding block is contained in the first sliding groove, and the pulling plate part is contained in the second sliding groove.
2. The multifunctional projection screen of claim 1, wherein the mounting frame has a plurality of mounting holes for external fixation.
3. The multifunctional projection screen of claim 1, wherein the mounting rack bag is provided with a placement slot, and the curtain device is accommodated in the placement slot.
4. The multi-functional projection screen of claim 1, wherein the projection screen includes a receiving shelf fixedly attached to the mounting frame, the receiving shelf being positioned below the pull plate.
5. The multi-functional projection screen of claim 1, wherein the pull plate is provided with a blackboard for writing.
6. The multifunctional projection screen of claim 5, wherein the pull plate is provided with a handle for grasping, the handle being located at one side of the pull plate, the handle being located adjacent to the blackboard.
7. The multifunctional projection screen of claim 3, wherein the multifunctional projection screen comprises a projection cloth, the projection cloth is movably connected to the curtain device, and the projection cloth covers the pull plate.
8. The multifunctional projection screen of claim 7, wherein the mounting frame is provided with an avoiding groove, the avoiding groove is communicated with the placing groove, and the projection cloth is partially accommodated in the avoiding groove.
9. The multifunctional projection screen of claim 1, wherein the mounting frame is provided with a plurality of heat dissipation grooves for dissipating heat, and the heat dissipation grooves are in communication with the receiving groove.
10. The multi-functional projection screen of claim 1, wherein the pull plate has a viewing window thereon, the viewing window blocking the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021033964.3U CN212009892U (en) | 2020-06-08 | 2020-06-08 | Multifunctional projection screen for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021033964.3U CN212009892U (en) | 2020-06-08 | 2020-06-08 | Multifunctional projection screen for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212009892U true CN212009892U (en) | 2020-11-24 |
Family
ID=73418117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021033964.3U Expired - Fee Related CN212009892U (en) | 2020-06-08 | 2020-06-08 | Multifunctional projection screen for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212009892U (en) |
-
2020
- 2020-06-08 CN CN202021033964.3U patent/CN212009892U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 |