CN214312120U

CN214312120U - A multimedia teaching instrument for political ideological education

Info

Publication number: CN214312120U
Application number: CN202120688186.XU
Authority: CN
Inventors: 饶浪
Original assignee: Wuchang University of Technology
Current assignee: Wuchang University of Technology
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-09-28
Anticipated expiration: 2031-04-02

Abstract

The utility model provides a multimedia teaching instrument for political ideological education, including the teaching appearance body, the up end of teaching appearance body is equipped with to the first mounting groove of this internal concave yield of teaching appearance, be equipped with in the first mounting groove can the projecting apparatus that reciprocates in the first mounting groove, the up end demountable installation of first mounting groove has the shield, through setting up the detachable shield, can be when not using the projecting apparatus, seals the projecting apparatus in first mounting groove through the shield to realize the dustproof function of projecting apparatus.

Description

A multimedia teaching instrument for political ideological education

Technical Field

The utility model relates to a teaching equipment technical field specifically is a multimedia teaching instrument for political ideological education.

Background

With the continuous development of the technology, a multimedia teaching instrument with a projector becomes one of necessary devices in the teaching process, for example, the application numbers are: CN 202020237156.2's patent, including host computer, display, draw-in groove, authority card are installed to one side of host computer, and the front side of host computer is opened and is equipped with a groove and the joint has the electric capacity pen, and the interface has been seted up to the side of host computer, and the speaker is installed to the opposite side of host computer, and the surface mounting of host computer has functional keyboard, notes book board, and the output electricity of host computer is connected with video output line, projecting apparatus, and the bottom surface threaded connection of projecting apparatus has the tripod. Although this design can be according to the position of projection curtain and put the projecting apparatus, uses the focus adjusting knob to reach perfect projection effect and be applicable to various big small-size type multimedia classroom, and split type projecting apparatus adopts independent cooling system and host computer mutual noninterference, and the radiating effect is better, is favorable to improving the life of this teaching instrument, nevertheless this design lacks the dustproof construction that the projecting apparatus was used, in actual production, has certain limitation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multimedia teaching instrument for political ideological education has solved the problem mentioned in the above-mentioned background art.

In order to realize the above-mentioned purpose, the utility model provides a multimedia teaching instrument for political and ideological education, including the teaching appearance body, the up end of teaching appearance body be equipped with to the first mounting groove of this internal concave yield of teaching appearance, be equipped with in the first mounting groove can the projecting apparatus that reciprocates in the first mounting groove, the up end demountable installation of first mounting groove has the shield, and the dustproof function of projecting apparatus can be realized in this design.

Preferably, the lower terminal surface of shield is equipped with the stopper, the stopper stretches into in the first mounting groove, the stopper with first mounting groove is clearance fit, and through setting up the stopper that is clearance fit with first mounting groove, can be when using the projecting apparatus, the convenient lifts the shield off, and can be after using the projecting apparatus, seal the projecting apparatus in first mounting groove.

Preferably, the dustproof cover with the cross-section of first mounting groove is circular, just the radius of dustproof cover all is greater than the radius of first mounting groove, all is greater than the radius of first mounting groove through the radius that sets up the dustproof cover, can guarantee the sealed and dustproof effect of first mounting groove.

Preferably, the inner wall of first mounting groove be equipped with to the second mounting groove of this internal concave yield of teaching instrument, second mounting groove internal rotation is connected with the carousel, the carousel is equipped with and runs through the rectangular channel at both ends about the carousel, the lower extreme of projecting apparatus fixed be equipped with rectangular channel sliding connection's backup pad, the lower terminal surface of backup pad stretches out one side integrated into one piece of rectangular channel has the limiting plate, through the rectangular channel sliding connection's that sets up rotatable carousel cooperation and carousel backup pad, can adjust the projection height of projecting apparatus and the projection angle of projecting apparatus according to the demand.

Preferably, the rectangle inslot longitudinal symmetry is equipped with spacing subassembly, spacing subassembly includes that bilateral symmetry sets up the first spacing groove of two walls around the rectangle inslot, be equipped with the bolt pole in the first spacing inslot, the bolt pole stretches into the fixed spring that is equipped with of one end of first spacing groove, the other end of spring with first spacing groove fixed connection, the bolt pole stretches out the one end longitudinal symmetry of first spacing groove is equipped with the direction inclined plane, both ends symmetry about the backup pad be equipped with many pairs with direction inclined plane complex second spacing groove, through setting up the second spacing groove that spacing subassembly cooperation set up both ends about the backup pad, the height of carousel fixed support board relatively.

Preferably, the cross section of the second limiting groove is triangular and matched with the suspension box inclined plane, force can be decomposed through the inclined plane when the height of the projector needs to be adjusted, so that the plug pin rod is driven to move into the first limiting groove, the guide inclined plane at the front end of the plug pin rod is separated from the second limiting groove, and the fixed state of the support plate relative to the rotary table is released.

Preferably, the upper and lower both ends symmetry of second mounting groove is equipped with first constant head tank and second constant head tank, first constant head tank stretches out the up end of teaching instrument body, the second constant head tank stretches into this is internal for the teaching instrument, the carousel evenly is equipped with a plurality of running through the third constant head tank at both ends about the carousel, swing joint has the locating lever of plug in the first constant head tank, the locating lever runs through stretch into behind first constant head tank and the third constant head tank in the second constant head tank, through running through first constant head tank and third constant head tank with the locating lever in stretching into the second constant head tank, can fix the carousel after adjusting the projection angle of accomplishing the projecting apparatus to it is fixed with the projection angle of projecting apparatus, thereby can avoid the carousel to rock, influence projection effect.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up the detachable shield, can be when not using the projecting apparatus, seal the projecting apparatus in first mounting groove through the shield to realize the dustproof function of projecting apparatus; furthermore, the limiting block which is in clearance fit with the first mounting groove is arranged, so that the dustproof cover can be conveniently detached when the projector is used, and the projector can be sealed in the first mounting groove after the projector is used; furthermore, the radius of the dustproof cover is larger than that of the first mounting groove, so that the sealing and dustproof effects of the first mounting groove can be ensured; furthermore, the rotatable turntable is arranged to be matched with the supporting plate in sliding connection with the rectangular groove of the turntable, so that the projection height of the projector and the projection angle of the projector can be adjusted according to requirements; furthermore, the height of the supporting plate can be fixed relative to the turntable by arranging the limiting component to be matched with the second limiting grooves arranged at the left end and the right end of the supporting plate; furthermore, the section of the second limiting groove is triangular and is matched with the inclined plane of the suspension box, so that when the height of the projector needs to be adjusted, force can be decomposed through the inclined plane, the bolt rod is driven to move into the first limiting groove, the guide inclined plane at the front end of the bolt rod is separated from the second limiting groove, and the fixing state of the support plate relative to the rotary table is released; furthermore, in stretching into the second constant head tank after running through first constant head tank and third constant head tank with the locating lever, can fix the carousel after adjusting the projection angle of accomplishing the projecting apparatus to it is fixed with the projection angle of projecting apparatus, thereby can avoid the carousel to rock, influence projection effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the first mounting groove of the present invention;

FIG. 3 is an enlarged view of the dust cap of the present invention;

FIG. 4 is an enlarged view of the projector of the present invention;

FIG. 5 is a cross-sectional view of the first mounting groove of the present invention;

fig. 6 is an enlarged view of the positioning rod of the present invention.

In the figure: 1. a teaching instrument body; 11. a first mounting groove; 12. a second mounting groove; 121. a first positioning groove; 122. a second positioning groove; 2. a projector; 21. a support plate; 22. a limiting plate; 211. a second limit groove; 3. a dust cover; 31. a limiting block; 4. a turntable; 41. a rectangular groove; 42. a third positioning groove; 5. a limiting component; 51. a first limit groove; 52. a latch rod; 53. a spring; 521. a guide slope; 6. and (5) positioning the rod.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-6, a multimedia teaching instrument for political and ideological education comprises a teaching instrument body 1, wherein a first mounting groove 11 recessed into the teaching instrument body 1 is formed in the upper end surface of the teaching instrument body 1, a projector 2 capable of moving up and down in the first mounting groove 11 is arranged in the first mounting groove 11, and a dust cover 3 is detachably mounted on the upper end surface of the first mounting groove 11, so that the dust-proof function of the projector 2 can be realized.

Please refer to fig. 2 and fig. 3 heavily, a limiting block 31 is disposed on a lower end surface of the dust cover 3, the limiting block 31 extends into the first mounting groove 11, the limiting block 31 is in clearance fit with the first mounting groove 11, cross sections of the dust cover 3 and the first mounting groove 11 are both circular, a radius of the dust cover 3 is larger than a radius of the first mounting groove 11, the limiting block 31 in clearance fit with the first mounting groove 11 is disposed, the dust cover 3 can be conveniently detached when the projector 2 is used, the projector 2 can be sealed in the first mounting groove 11 after the projector 2 is used, and a sealing and dust-proof effect of the first mounting groove 11 can be ensured by setting the radius of the dust cover 3 to be larger than the radius of the first mounting groove 11.

Please refer to fig. 4, 5 and 6, wherein the inner wall of the first mounting groove 11 is provided with a second mounting groove 12 recessed into the teaching instrument body 1, the second mounting groove 12 is rotatably connected with a rotating disc 4, the rotating disc 4 is provided with a rectangular groove 41 penetrating through the upper and lower ends of the rotating disc 4, the lower end of the projector 2 is fixedly provided with a support plate 21 slidably connected with the rectangular groove 41, the lower end surface of the support plate 21 extends out of one side of the rectangular groove 41 to form a limiting plate 22 integrally, the rectangular groove 41 is internally and symmetrically provided with limiting components 5, the limiting components 5 comprise first limiting grooves 51 symmetrically arranged on the front and rear walls of the rectangular groove 41 in the left-right direction, the first limiting grooves 51 are internally provided with a plug pin 52, one end of the plug pin 52 extending into the first limiting groove 51 is fixedly provided with a spring 53, and the other end of the spring 53 is fixedly connected with the first limiting groove 51, the end of the bolt rod 52 extending out of the first limiting groove 51 is provided with guide inclined planes 521 in an up-down symmetrical manner, the left end and the right end of the support plate 21 are provided with a plurality of pairs of second limiting grooves 211 matched with the guide inclined planes 521 in a symmetrical manner, the cross section of each second limiting groove 211 is triangular, the upper end and the lower end of each second mounting groove 12 are provided with a first positioning groove 121 and a second positioning groove 122 in a symmetrical manner, the first positioning groove 121 extends out of the upper end surface of the teaching instrument body 1, the second positioning groove 122 extends into the teaching instrument body 1, the turntable 4 is uniformly provided with a plurality of third positioning grooves 42 penetrating through the upper end and the lower end of the turntable 4, a plug-in positioning rod 6 is movably connected in the first positioning groove 121, the positioning rod 6 penetrates through the first positioning groove 121 and the third positioning grooves 42 and then extends into the second positioning groove 122, so that the projection height of the projector 2 and the projection angle of the projector 2 can be adjusted according to requirements, and the projection angle of the projection height can be fixed after the adjustment is finished.

The utility model discloses a concrete operation as follows:

when a multimedia teaching instrument for political and ideological education is used, the dust cap 3 is detached, since the cross section of the first installation groove 11 is circular, a hand can be conveniently inserted into the first installation groove 11, the projector 2 is further pulled, the support plate 21 at the lower end of the projector 2 moves upwards after being subjected to tensile force, so that the tensile force is transmitted to the guide inclined plane 521 of the latch rod 52 through the second limiting groove 211, since the guide inclined plane 521 is matched with the second limiting groove 211, and the cross section of the second limiting groove 211 is triangular, the force can be decomposed, so that the latch rod 52 moves into the first limiting groove 51, when the latch rod 52 extrudes the spring 53 to move into the first limiting groove 51 for a certain distance, the guide inclined plane 521 is completely separated from the second limiting groove 211, so that the projector 2 can move upwards, further, when the projector 2 moves for a certain distance, the latch rod 52 is aligned with the second positioning groove 211 on the support plate 21 again, the spring 53 is deformed again, the latch rod 52 is pushed towards the second positioning groove 211, the guide inclined plane 521 is completely matched with the second positioning groove 122, the support plate 21 is locked again, the projector 2 is pulled upwards continuously with force, so that the projector 2 moves upwards again, due to the arrangement of the limiting plate 22, the support plate 21 can be prevented from being separated from the rectangular groove 41 of the turntable 4, when the projection height of the projector 2 reaches a preset height, the projector 2 stops being pulled, the support plate 21 of the projector 2 is clamped by the limiting component 5, so that the projection height is fixed, further, the positioning rod 6 is pulled out from the first positioning groove 121, the second positioning groove 122 and the third positioning groove 42, the projector 2 is rotated, the projection angle of the projector 2 is adjusted, after the adjustment is completed, the positioning rod 6 sequentially penetrates through the first positioning groove 121 and the second positioning groove 122 and then extends into the third positioning groove 42, thereby fixing the turntable 4 and achieving the purpose of fixing the projection angle; after 2 plays the teaching piece of political and ideological education at projector, press projector 2 to first mounting groove 11 in for projector 2 enters into first mounting groove 11 completely, and then aligns first mounting groove 11 with stopper 31 of shield 3 and inserts, and makes the lower terminal surface of shield 3 paste closely each other with the up end of teaching apparatus body 1, thereby seals projector 2 in first mounting groove 11, realizes dirt-proof function.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides a multimedia teaching instrument for political ideological education, includes teaching appearance body (1), its characterized in that: the up end of teaching instrument body (1) is equipped with to first mounting groove (11) of concave yield in teaching instrument body (1), be equipped with in first mounting groove (11) can projecting apparatus (2) that reciprocate in first mounting groove (11), the up end demountable installation of first mounting groove (11) has shield (3).

2. A multimedia teaching apparatus for political ideological education according to claim 1, wherein: the lower terminal surface of shield (3) is equipped with stopper (31), stopper (31) stretch into in first mounting groove (11), stopper (31) with first mounting groove (11) are clearance fit.

3. A multimedia teaching apparatus for political ideological education according to claim 2, wherein: the section of the dustproof cover (3) and the section of the first mounting groove (11) are both circular, and the radius of the dustproof cover (3) is larger than that of the first mounting groove (11).

4. A multimedia teaching apparatus for political ideological education according to claim 1, wherein: the inner wall of first mounting groove (11) is equipped with to second mounting groove (12) of concave yield in teaching instrument body (1), second mounting groove (12) internal rotation is connected with carousel (4), carousel (4) are equipped with and run through rectangular channel (41) at both ends about carousel (4), the lower extreme of projecting apparatus (2) fixed be equipped with rectangular channel (41) sliding connection's backup pad (21), the lower terminal surface of backup pad (21) stretches out one side integrated into one piece of rectangular channel (41) has limiting plate (22).

5. A multimedia teaching apparatus for political ideological education according to claim 4, wherein: the utility model discloses a spacing structure of solar photovoltaic power generation, including rectangular channel (41), the front and back symmetry is equipped with spacing subassembly (5) in rectangular channel (41), spacing subassembly (5) are in including bilateral symmetry setting first spacing groove (51) of two walls around rectangular channel (41), be equipped with bolt pole (52) in first spacing groove (51), bolt pole (52) stretch into the fixed spring (53) that are equipped with of one end of first spacing groove (51), the other end of spring (53) with first spacing groove (51) fixed connection, bolt pole (52) stretch out one end up-down symmetry of first spacing groove (51) is equipped with direction inclined plane (521), the left and right sides both ends symmetry of backup pad (21) be equipped with many pairs with direction inclined plane (521) complex second spacing groove (211).

6. A multimedia teaching apparatus for political ideological education according to claim 5, wherein: the cross section of the second limiting groove (211) is triangular.

7. A multimedia teaching apparatus for political ideological education according to claim 6, wherein: the upper and lower both ends symmetry of second mounting groove (12) is equipped with first constant head tank (121) and second constant head tank (122), first constant head tank (121) are stretched out the up end of teaching appearance body (1), second constant head tank (122) stretch into in the teaching appearance body (1), carousel (4) evenly is equipped with a plurality of third constant head tank (42) that run through both ends about carousel (4), swing joint has locating lever (6) of plug in first constant head tank (121), locating lever (6) run through first constant head tank (121) with stretch into behind third constant head tank (42) in second constant head tank (122).