CN211149692U - Projection arrangement is used in primary school's chinese teaching - Google Patents
Projection arrangement is used in primary school's chinese teaching Download PDFInfo
- Publication number
- CN211149692U CN211149692U CN201922093296.7U CN201922093296U CN211149692U CN 211149692 U CN211149692 U CN 211149692U CN 201922093296 U CN201922093296 U CN 201922093296U CN 211149692 U CN211149692 U CN 211149692U
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- groove
- projector
- riveting piece
- scanning
- containing box
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Abstract
The utility model discloses a primary school's chinese teaching uses projection arrangement, cut formula support, projecting apparatus and projecting apparatus including scanning case, power groove, multilayer and hold the case, the top support of scanning case is installed the power groove, the power groove is the square groove of no top surface, it installs through bottom removal riveting piece and bottom fixed axle on two sides that the power groove is relative the multilayer cuts the formula support, the top support that the formula support was cut to the multilayer is installed the projecting apparatus holds the case, the projecting apparatus holds the side of case and has seted up the top shifting chute, slidable mounting has the top to remove the riveting piece in the top shifting chute. Has the advantages that: primary school's chinese teaching with projection arrangement is higher at the exercise efficiency to the chinese character pinyin in primary school's chinese classroom and blackboard writing, saves mr and writes the time, adjusts different input heights to different heights, adapts to every classmate, also need not to copy once more on the blackboard to consolidated knowledge such as exercise simultaneously.
Description
Technical Field
The utility model relates to a classroom teaching device field especially relates to a projection arrangement is used in primary school's chinese teaching.
Background
With the continuous development of society and the progress of electronic technology, projectors play more and more important roles in the study, work and life of people, in the Chinese teaching, the traditional mode is blackboard writing, images are projected by using the projectors, in the primary school Chinese teaching, the projectors not only play a role in watching, but also can standardize blackboard writing practice for students in two or three years, the blackboard writing method of the students in Chinese class usually adopts a grid plate to perform blackboard writing reference, when a teacher goes lessons, a large number of blackboard writings need to be performed, and the traditional projector support is hung at the top, so that the students are difficult to use due to the fact that the heights of the students are short and the heights of the students are different, and the blackboard writing is difficult to perform through projection practice and is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to provide a projection device for primary school Chinese teaching to solve the above problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a projection device for primary school Chinese teaching comprises a scanning box, a power groove, a multilayer scissor type support, a projector and a projector containing box, wherein the power groove is installed on a top support of the scanning box, the power groove is a square groove without a top surface, the multilayer scissor type support is installed on two opposite side surfaces of the power groove through a bottom movable riveting piece and a bottom fixed shaft, the projector containing box is installed on the top support of the multilayer scissor type support, a top moving groove is formed in the side surface of the projector containing box, a top movable riveting piece is slidably installed in the top moving groove, a top fixed shaft is further installed on the outer side wall of the projector containing box, the top fixed shaft and the top movable riveting piece are located on the same plane, and two top ends of the multilayer scissor type support are respectively installed on the top fixed shaft and the top movable riveting piece, and two opposite side surfaces of the power groove are provided with bottom moving grooves, the bottom moving grooves are strip-shaped through hole grooves, lead screws are arranged in the bottom moving grooves, and the lead screws are connected to the bottom moving riveting pieces in a driving mode.
Furthermore, a controller is installed on the side surface of the scanning box, and a drawer is also inserted into the scanning box and used for placing data to be scanned.
Furthermore, the bottom of scanning case is installed the truckle is used for removing, the truckle is for stopping fixedly for self-locking truckle is convenient for.
Furthermore, the projector is installed in the projector containing box, a through hole is formed in the front side face of the projector containing box, and the through hole is opposite to the projection lens of the projector.
Furthermore, the bottom moving riveting piece comprises an outer limiting portion, a clamping shaft, a driving portion and an inner limiting portion, wherein the clamping shaft is externally mounted on the multilayer shear type support, the driving portion is slidably mounted in the bottom moving groove, the outer limiting portion is arranged on the outer side of the multilayer shear type support, the inner limiting portion is arranged on the inner side of the bottom moving groove, and the lead screw is mounted on the driving portion in a driving mode.
In the above-mentioned structure, when needs were carried out the chinese and are write the exercise, adjusted the height of cutting the formula support according to the height of different classmates, through projection typeface to the blackboard, the classmates were practiced according to the projection typeface, when needs exercise explanation, placed the exercise and put in after scanning the incasement scanning, were convenient for watch.
Has the advantages that: primary school's chinese teaching with projection arrangement is higher at the exercise efficiency to the chinese character pinyin in primary school's chinese classroom and blackboard writing, saves mr and writes the time, adjusts different input heights to different heights, adapts to every classmate, also need not to copy once more on the blackboard to consolidated knowledge such as exercise simultaneously.
Drawings
Fig. 1 is an overall schematic view of the projection apparatus for primary school chinese teaching according to the present invention;
fig. 2 is the utility model relates to a primary school's chinese teaching is with projection arrangement's bottom drive structure chart.
The reference numerals are explained below:
1. a scanning box; 2. a power tank; 3. a multi-layer scissor type stand; 4. a projector; 5. a projector holding box; 6. a top fixed shaft; 7. moving the riveting piece at the top; 8. a top moving trough; 9. a bottom moving trough; 10. moving the riveting piece at the bottom; 11. a drawer; 12. a bottom fixed shaft; 13. a controller; 14. a caster wheel; 15. a support driving motor; 16. a lead screw; 17. an outer side limiting part; 18. clamping a shaft; 19. a drive section; 20. an inner side limiting part.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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", etc. 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," "second," etc. 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 otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, a projection device for primary school Chinese teaching comprises a scanning box 1, a power tank 2, a multilayer scissor-type bracket 3, a projector 4 and a projector containing box 5;
the top support of the scanning box 1 is provided with a power groove 2, the power groove 2 is a square groove without a top surface, two opposite side surfaces of the power groove 2 are provided with a multilayer scissor type support 3 through a bottom moving riveting piece 10 and a bottom fixing shaft 12, the top support of the multilayer scissor type support 3 is provided with a projector containing box 5, the side surface of the projector containing box 5 is provided with a top moving groove 8, the top moving groove 8 is internally provided with a top moving riveting piece 7 in a sliding manner, the outer side wall of the projector containing box 5 is also provided with a top fixing shaft 6, the top fixing shaft 6 and the top moving riveting piece 7 are on the same plane, and two top ends of the multilayer scissor type support 3 are respectively arranged on the top fixing shaft 6 and the top moving riveting piece 7;
two opposite side surfaces of the power groove 2 are provided with bottom moving grooves 9, the bottom moving grooves 9 are strip-shaped through hole grooves, lead screws 16 are arranged in the bottom moving grooves, and the lead screws 16 are connected to the bottom moving riveting pieces 10 in a driving mode.
Preferably, a controller 13 is installed on a side surface of the scanning box 1, and a drawer 11 is also inserted into the scanning box 1 for placing data to be scanned.
Preferably, the bottom of the scanning box 1 is provided with a caster 4 for moving, and the caster 4 is a self-locking caster convenient to stop fixing.
Preferably, the projector 4 is installed in the projector containing box 5, a through hole is formed in the front side face of the projector containing box 5, and the through hole is opposite to the projection lens of the projector 4.
In fig. 2, the bottom moving rivet 10 includes an outer limit portion 17, a snap shaft 18, a driving portion 19 and an inner limit portion 20, wherein the snap shaft 18 is externally mounted to the multi-layer scissor type bracket 3, the driving portion 19 is slidably mounted in the bottom moving groove 9, the outer limit portion 17 is disposed on the outer side of the multi-layer scissor type bracket 3, the inner limit portion 20 is disposed on the inner side of the bottom moving groove 9, and the lead screw 16 is drivingly mounted on the driving portion 19.
In the above-mentioned structure, when needs were carried out the chinese and are write the exercise, adjusted the height of cutting the formula support according to the height of different classmates, through projection typeface to the blackboard, the classmates were practiced according to the projection typeface, when needs exercise explanation, placed the exercise and put in after scanning the incasement scanning, were convenient for watch.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a primary school is projection arrangement for chinese teaching which characterized in that: the multi-layer shearing type projector comprises a scanning box, a power groove, a multi-layer shearing type support, a projector and a projector containing box, wherein the power groove is arranged on the top support of the scanning box, the power groove is a square groove without a top surface, the multi-layer shearing type support is arranged on two opposite side surfaces of the power groove through a bottom movable riveting piece and a bottom fixed shaft, the projector containing box is arranged on the top support of the multi-layer shearing type support, a top moving groove is formed in the side surface of the projector containing box, a top movable riveting piece is slidably arranged in the top moving groove, a top fixed shaft is further arranged on the outer side wall of the projector containing box, the top fixed shaft and the top movable riveting piece are arranged on the same plane, two top ends of the multi-layer shearing type support are respectively arranged on the top fixed shaft and the top movable riveting piece, and two opposite side surfaces of the power groove are provided with bottom, the bottom moving groove is a strip-shaped through hole groove, a lead screw is arranged in the bottom moving groove, and the lead screw is connected to the bottom moving riveting piece in a driving mode.
2. A projection apparatus according to claim 1, wherein: the side of scanning case is installed with the controller, it is used for placing the data that need the scanning still to have inserted the drawer on the scanning case.
3. A projection apparatus according to claim 1, wherein: the bottom of scanning case is installed the truckle and is used for removing, the truckle is convenient for stop fixedly for self-locking truckle.
4. A projection apparatus according to claim 1, wherein: the projector is arranged in the projector containing box, a through hole is formed in the front side face of the projector containing box, and the through hole is opposite to the projection lens of the projector.
5. A projection apparatus according to claim 1, wherein: the bottom moving riveting piece comprises an outer side limiting portion, a clamping shaft, a driving portion and an inner side limiting portion, wherein the clamping shaft is mounted outside the multilayer shear type support, the driving portion is mounted in the bottom moving groove in a sliding mode, the outer side limiting portion is arranged on the outer side of the multilayer shear type support, the inner side limiting portion is arranged on the inner side of the bottom moving groove, and the lead screw is mounted on the driving portion in a driving mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922093296.7U CN211149692U (en) | 2019-11-28 | 2019-11-28 | Projection arrangement is used in primary school's chinese teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922093296.7U CN211149692U (en) | 2019-11-28 | 2019-11-28 | Projection arrangement is used in primary school's chinese teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211149692U true CN211149692U (en) | 2020-07-31 |
Family
ID=71775962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922093296.7U Expired - Fee Related CN211149692U (en) | 2019-11-28 | 2019-11-28 | Projection arrangement is used in primary school's chinese teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211149692U (en) |
-
2019
- 2019-11-28 CN CN201922093296.7U patent/CN211149692U/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: 20200731 Termination date: 20211128 |