CN210574351U - Course is projection arrangement for lecture show - Google Patents
Course is projection arrangement for lecture show Download PDFInfo
- Publication number
- CN210574351U CN210574351U CN201920772062.2U CN201920772062U CN210574351U CN 210574351 U CN210574351 U CN 210574351U CN 201920772062 U CN201920772062 U CN 201920772062U CN 210574351 U CN210574351 U CN 210574351U
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- base
- plate
- curtain
- groove
- connecting plate
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- Expired - Fee Related
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Abstract
The utility model discloses a projection arrangement is used in show of course lecture, relate to the projection field, to the problem of current inconvenient use, the scheme is provided as follows now, it includes the base, the side of base is provided with accomodates the groove, the side of accomodating the groove is provided with the apron, top one side of base is fixed with the connecting plate, the side of connecting plate is equipped with the mounting groove, there is the push rod motor through locking bolt fastening on the interior diapire of mounting groove, fixedly connected with fly leaf on the piston rod of push rod motor, the side-mounting of fly leaf has the projecting apparatus, one side that the connecting plate was kept away from to the projecting apparatus is provided with the curtain, one side that the curtain was kept away from to the projecting apparatus is provided with first backup pad, one side that the projecting apparatus was kept away from to the curtain is provided with the second backup pad, the installation section of thick bamboo has. The utility model discloses, be convenient for carry out the show of course lecture notes in the field, facilitate the use, easy operation removes the convenience, is fit for promoting.
Description
Technical Field
The utility model relates to a projection field especially relates to a projection arrangement is used in show of course lecture notes.
Background
At present when carrying out the course lecture, need demonstrate to using projection arrangement, teacher can carry out open-air teaching in order to improve student's interest in learning a bit, shines on curtain or projecting apparatus when open-air sun, causes the formation of image unclear easily, still causes the injury to student's eyes easily simultaneously, and inconvenient use is providing a projection arrangement for the show of course lecture for this reason.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a projection device for displaying course handout.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a projection device for displaying course lectures comprises a base, wherein a containing groove is arranged on the side surface of the base, a cover plate is arranged on the side surface of the containing groove, a connecting plate is fixed on one side of the top of the base, a mounting groove is arranged on the side surface of the connecting plate, a push rod motor is fixed on the inner bottom wall of the mounting groove through a locking bolt, a movable plate is fixedly connected on a piston rod of the push rod motor, the side surface of the movable plate is provided with a projector, one side of the projector far away from the connecting plate is provided with a curtain, a first supporting plate is arranged on one side of the projector far away from the curtain, a second supporting plate is arranged on one side of the curtain far away from the projector, mounting cylinders are welded on two sides of the top of the base, and first backup pad and the equal activity of second backup pad are inserted and are established the inside of installing a section of thick bamboo, the top of first backup pad and second backup pad articulates there is the sunshading board, and the bottom of sunshading board is equipped with the standing groove.
Preferably, one side that the projecting apparatus was kept away from to the curtain is equipped with L type mounting panel, the bottom of L type mounting panel is fixed mutually with the top of base, and L type mounting panel is located between curtain and the second backup pad.
Preferably, four angles in the bottom of the base are fixedly provided with universal wheels, and the top of the cover plate is hinged to one side of the base away from the second supporting plate.
Preferably, the length of the sun visor is larger than the distance between the connecting plate and the L-shaped mounting plate.
Preferably, the volume of the placement groove is larger than that of the first support plate.
The utility model has the advantages that: the utility model discloses in, through there being the sunshading board, prevent that sunshine from shining on projecting apparatus and curtain, cause the curtain formation of image unclear, can adjust the student simultaneously when watching, the sunlight is to the illumination degree of eyes, be convenient for carry out the show of course lecture in the field, when needs are indoor when using, through being provided with first backup pad, second backup pad and an installation section of thick bamboo, conveniently install and dismantle the sunshading board, accomodate the groove and be convenient for accomodate the sunshading board, volume when reducing the use, and convenient to use, and easy operation, and it is convenient to remove, and is suitable for promoting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of the first support plate, the second support plate and the sun shield in the storage groove of the present invention.
Reference numbers in the figures: the device comprises a base 1, a storage groove 2, a cover plate 3, universal wheels 4, a connecting plate 5, a push rod motor 6, a movable plate 7, a projector 8, a mounting plate 9L-shaped, a curtain 10, a mounting barrel 11, a first support plate 12, a second support plate 13, a sun shield 14 and a placing groove 15.
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.
Referring to fig. 1-2, a projection device for displaying course lectures, which comprises a base 1, wherein a receiving groove 2 is arranged on the side surface of the base 1, a cover plate 3 is arranged on the side surface of the receiving groove 2, a connecting plate 5 is fixed on one side of the top of the base 1, a mounting groove is arranged on the side surface of the connecting plate 5, a push rod motor 6 is fixed on the inner bottom wall of the mounting groove through a locking bolt, a movable plate 7 is fixedly connected on a piston rod of the push rod motor 6, a projector 8 is arranged on the side surface of the movable plate 7, a curtain 10 is arranged on one side of the projector 8 away from the connecting plate 5, a first supporting plate 12 is arranged on one side of the projector 8 away from the curtain 10, a second supporting plate 13 is arranged on one side of the curtain 10 away from the projector 8, mounting cylinders 11 are welded on both sides of the top of the base 1, the first supporting plate 12 and the second supporting plate 13 are movably inserted, the bottom of the sun visor 14 is provided with a placement groove 15.
One side that projecting apparatus 8 was kept away from to curtain 10 is equipped with L type mounting panel 9, the bottom of L type mounting panel 9 is fixed mutually with base 1's top, and L type mounting panel 9 is located between curtain 10 and the second backup pad 13, the equal fixed mounting in four angle departments in base 1's bottom has universal wheel 4, and the top of apron 3 articulates in base 1 one side of keeping away from second backup pad 13, the length of sunshading board 14 is greater than the distance between connecting plate 5 and the L type mounting panel 9, the volume of standing groove 15 is greater than the volume of first backup pad 12.
The working principle is as follows: when in use, through being provided with projecting apparatus 8 and curtain 10, make the light source on projecting apparatus 8 project on curtain 10, thereby realize the formation of image, through being provided with push rod motor 6, conveniently adjust the height of projecting apparatus 8, thereby be convenient for the crowd of different heights to install and dismantle projecting apparatus 8, facilitate the use, through having sunshading board 14, prevent sunshine from shining on projecting apparatus 8 and curtain 10, cause curtain 10 to form an image not clearly, can adjust the student simultaneously when watching, the illumination degree of sunshine to the eyes, be convenient for carry out the lecture and literature show in the field, when needs are used in indoor, through upwards pulling sunshading board 14, make first backup pad 12 and second backup pad 13 shift out in installing cylinder 11, move first backup pad 12 to the inside of standing groove 15, move second backup pad 13 to the bottom of first backup pad 12, and with first backup pad 12, Second backup pad 13 and sunshading board 14 are put into the inside of accomodating groove 2 to be convenient for accomodate sunshading board 14, the volume when reducing the use facilitates the use, easy operation, through being provided with universal wheel 4, it is convenient to remove, labour saving and time saving.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
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 (5)
1. A projection device for displaying course lectures comprises a base (1) and is characterized in that a containing groove (2) is formed in the side face of the base (1), a cover plate (3) is arranged on the side face of the containing groove (2), a connecting plate (5) is fixed to one side of the top of the base (1), a mounting groove is formed in the side face of the connecting plate (5), a push rod motor (6) is fixed to the inner bottom wall of the mounting groove through a locking bolt, a movable plate (7) is fixedly connected to a piston rod of the push rod motor (6), a projector (8) is installed on the side face of the movable plate (7), a curtain (10) is arranged on one side, away from the connecting plate (5), of the projector (8), a first supporting plate (12) is arranged on one side, away from the curtain (10), of the curtain (10) is provided with a second supporting plate (13), the base is characterized in that mounting cylinders (11) are welded on two sides of the top of the base (1), first supporting plates (12) and second supporting plates (13) are movably inserted into the mounting cylinders (11), sun-shading plates (14) are hinged to the tops of the first supporting plates (12) and the second supporting plates (13), and placing grooves (15) are formed in the bottoms of the sun-shading plates (14).
2. The projection apparatus for displaying course lectures as claimed in claim 1, wherein an L-shaped mounting plate (9) is disposed on a side of the curtain (10) away from the projector (8), a bottom of the L-shaped mounting plate (9) is fixed to a top of the base (1), and the L-shaped mounting plate (9) is disposed between the curtain (10) and the second supporting plate (13).
3. The projection device for displaying course lectures as claimed in claim 1, wherein the universal wheels (4) are fixedly mounted at four corners of the bottom of the base (1), and the top of the cover plate (3) is hinged to a side of the base (1) away from the second support plate (13).
4. The lesson lecture demonstration projection device as claimed in claim 1, wherein the length of the visor (14) is greater than the distance between the connecting plate (5) and the L-shaped mounting plate (9).
5. The projection apparatus for displaying lesson lectures as claimed in claim 1, wherein the volume of said placement groove (15) is larger than the volume of said first support plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772062.2U CN210574351U (en) | 2019-05-27 | 2019-05-27 | Course is projection arrangement for lecture show |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772062.2U CN210574351U (en) | 2019-05-27 | 2019-05-27 | Course is projection arrangement for lecture show |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210574351U true CN210574351U (en) | 2020-05-19 |
Family
ID=70635310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920772062.2U Expired - Fee Related CN210574351U (en) | 2019-05-27 | 2019-05-27 | Course is projection arrangement for lecture show |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210574351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112258900A (en) * | 2020-11-12 | 2021-01-22 | 平顶山学院 | Display device for mathematics propagation based on big data |
-
2019
- 2019-05-27 CN CN201920772062.2U patent/CN210574351U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112258900A (en) * | 2020-11-12 | 2021-01-22 | 平顶山学院 | Display device for mathematics propagation based on big data |
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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: 20200519 Termination date: 20210527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |