CN215679667U

CN215679667U - Think political affairs education and use multimedia teaching device

Info

Publication number: CN215679667U
Application number: CN202121229919.XU
Authority: CN
Inventors: 李颖; 李昕霖
Original assignee: Gansu Vocational College Of Finance And Trade
Current assignee: Gansu Vocational College Of Finance And Trade
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-28
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a multimedia teaching device for thinking and political affairs education, which comprises a protective base, wherein the right side of the top of the protective base is movably connected with a protective shell through a movable pin, the periphery of the right side of an inner cavity of the protective shell is fixedly connected with first fixed blocks, a teaching display screen is fixedly arranged between the left sides of the four first fixed blocks, and the lower end of the right side of the protective base is fixedly connected with a limiting sliding sleeve. According to the utility model, under the mutual matching action of the stepping motor, the threaded rod, the fixed plate, the movable rod, the limiting sliding sleeve, the supporting rod, the protective shell, the protective base, the first fixed block and the teaching display screen, the teaching display screen has a protective function, the teaching display screen is effectively prevented from being damaged due to collision when placed, and the problem that the existing display screen for multimedia teaching does not have a protective function and is damaged due to collision of an external object during placement is solved.

Description

Think political affairs education and use multimedia teaching device

Technical Field

The utility model relates to the technical field of multimedia teaching devices, in particular to a multimedia teaching device for thinking and political education.

Background

Multimedia teaching means at the teaching in-process, according to the characteristics of teaching target and teaching object, through the teaching design, the modern teaching media of rational selection and application, and combine with traditional teaching means, participate in the overall process of teaching jointly, act on the student with multiple media information, form reasonable teaching process structure, reach the teaching effect of optimization, at present, multimedia teaching mostly uses the display screen as the main, broadcast the teaching knowledge point through the display screen, thereby teach.

However, the existing display screen for multimedia teaching does not have a protection function, and external objects are easy to collide with the display screen in the placing process to cause damage of the display screen, so that great economic loss is brought to people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multimedia teaching device for thinking and political affairs education, which has the advantage of a protection function and solves the problems that the existing display screen for multimedia teaching does not have the protection function and is easy to collide with an external object in the placing process to cause damage of the external object.

In order to achieve the purpose, the utility model provides the following technical scheme: a multimedia teaching device for thinking and political affairs education, which comprises a protective base, wherein the right side of the top of the protective base is movably connected with a protective shell through a movable pin, the periphery of the right side of the inner cavity of the protective shell is fixedly connected with first fixed blocks, a teaching display screen is fixedly arranged between the left sides of the four first fixed blocks, the lower end of the right side of the protection base is fixedly connected with a limiting sliding sleeve, the middle end of the bottom of the inner cavity of the protection base is fixedly connected with a fixed plate, a stepping motor is fixedly arranged on the left side of the fixed plate, a threaded rod is fixedly arranged at the output end of the stepping motor, the left end of the threaded rod is movably connected to the right side of the fixed plate through a bearing, the right end of the threaded rod is in threaded connection with a movable rod, the outer surface of the movable rod is movably connected to the inner surface of the limiting sliding sleeve, and a supporting rod is movably connected between the right end of the top of the outer surface of the movable rod and the right end of the bottom of the outer surface of the protective shell through a movable pin.

Preferably, the limiting groove has all been seted up to the both sides of movable rod surface, the equal fixedly connected with stopper in both sides of spacing sliding sleeve internal surface, the surface swing joint of stopper is in the surface of limiting groove.

Preferably, the two ends on the right side of the inner cavity of the protective shell are fixedly connected with second fixed blocks, and the two ends between the left ends of the second fixed blocks are fixedly connected with heat dissipation fans.

Preferably, the middle end of the right side of the protective shell is provided with a heat dissipation hole, and the left end of the heat dissipation hole is fixedly provided with a non-woven fabric net.

Preferably, all around of protection base surface bottom all fixedly connected with supporting legs, four fixedly connected with bottom plate between the bottom of supporting leg.

Preferably, the periphery of the bottom plate is movably connected with movable wheels through bearings, and the middle end of the top of the bottom plate is fixedly connected with a balancing weight.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model can drive the threaded rod to rotate along the bearing on the fixed plate by starting the stepping motor, and simultaneously drive the movable rod to move leftwards along the surfaces of the threaded rod and the limiting sliding sleeve, the movable rod can drive the supporting rod to move while moving, the supporting rod can drive the protective shell to rotate anticlockwise along the movable pin on the protective base while moving, the protective shell can drive the first fixed block and the teaching display screen to move while moving until the surface of the protective shell is attached to the top of the protective base, thereby achieving the effect of protecting the periphery of the teaching display screen, realizing the function of protecting the teaching display screen under the action of integral matching, effectively avoiding the teaching display screen from being damaged by collision when being placed, and solving the problem that the existing display screen for multimedia teaching does not have the protection function, the problem that the external object is easy to collide with the storage box in the placing process to cause damage to the storage box.

2. The movable rod limiting device has the advantages that the purpose of limiting the movable rod is achieved through the limiting groove and the limiting block, the teaching display screen is convenient to dissipate heat through the heat dissipation fan, the heat of the teaching display screen is favorably dissipated to the outside through the heat dissipation holes, dust in external air flow can be filtered through the non-woven fabric net, the purpose of supporting the whole device is achieved through the supporting legs and the bottom plate, the movable wheel is convenient to move through the arrangement of the movable wheel, the center of gravity of the whole device is effectively reduced through the arrangement of the balancing weight, and the probability of toppling of the device is reduced.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the protective base of the present invention;

FIG. 3 is a schematic cross-sectional view of the protective housing of the present invention;

FIG. 4 is a schematic cross-sectional view of the limiting sliding sleeve of the present invention.

In the figure: 1. a protective housing; 2. a protective base; 3. supporting legs; 4. a balancing weight; 5. a base plate; 6. a movable wheel; 7. a movable rod; 8. a support bar; 9. a stepping motor; 10. a fixing plate; 11. a threaded rod; 12. a limiting sliding sleeve; 13. a first fixed block; 14. a second fixed block; 15. a heat dissipation fan; 16. a teaching display screen; 17. heat dissipation holes; 18. a nonwoven web; 19. a limiting groove; 20. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a multimedia teaching device for thinking and political affairs education comprises a protective base 2, wherein the periphery of the bottom of the outer surface of the protective base 2 is fixedly connected with supporting legs 3, a bottom plate 5 is fixedly connected between the bottoms of four supporting legs 3, the whole body is supported by the arrangement of the supporting legs 3 and the bottom plate 5, the periphery of the bottom plate 5 is movably connected with movable wheels 6 through bearings, the device is convenient to move by the arrangement of the movable wheels 6, the middle end of the top of the bottom plate 5 is fixedly connected with a balancing weight 4, the gravity center of the device is effectively reduced by the arrangement of the balancing weight 4, the probability of the device falling is reduced, the right side of the top of the protective base 2 is movably connected with a protective shell 1 through a movable pin, the periphery of the right side of the inner cavity of the protective shell 1 is fixedly connected with first fixed blocks 13, a teaching display screen 16 is fixedly arranged between the left sides of the four first fixed blocks 13, the two ends of the right side of the inner cavity of the protective shell 1 are fixedly connected with second fixed blocks 14, a heat radiation fan 15 is fixedly connected between the left ends of the two second fixed blocks 14, the heat radiation fan 15 is convenient for radiating the teaching display screen 16, the middle end of the right side of the protective shell 1 is provided with a heat radiation hole 17, the heat radiation hole 17 is favorable for radiating the heat of the teaching display screen 16 to the outside, the left end of the heat radiation hole 17 is fixedly provided with a non-woven fabric net 18, the dust in the external air flow can be filtered through the arrangement of the non-woven fabric net 18, the lower end of the right side of the protective base 2 is fixedly connected with a limiting sliding sleeve 12, the middle end of the bottom of the inner cavity of the protective base 2 is fixedly connected with a fixed plate 10, the left side of the fixed plate 10 is fixedly provided with a stepping motor 9, the output end of the stepping motor 9 is fixedly provided with a threaded rod 11, and the left end of the threaded rod 11 is movably connected to the right side of the fixed plate 10 through a bearing, the right end of the threaded rod 11 is in threaded connection with a movable rod 7, the outer surface of the movable rod 7 is movably connected with the inner surface of a limiting sliding sleeve 12, two sides of the outer surface of the movable rod 7 are respectively provided with a limiting groove 19, two sides of the inner surface of the limiting sliding sleeve 12 are respectively fixedly connected with a limiting block 20, the surface of the limiting block 20 is movably connected with the surface of the limiting groove 19, the purpose of limiting the movable rod 7 is achieved through the arrangement of the limiting grooves 19 and the limiting blocks 20, a supporting rod 8 is movably connected between the right end of the top of the outer surface of the movable rod 7 and the right end of the bottom of the outer surface of the protective shell 1 through a movable pin, the threaded rod 11 can be driven to rotate along a bearing on the fixed plate 10 by starting the stepping motor 9, the movable rod 7 is driven to move along the surfaces of the threaded rod 11 and the limiting sliding sleeve 12 to the left side, and the movable rod 7 can drive the supporting rod 8 to move while moving, can drive protective housing 1 when the bracing piece 8 removes and make anticlockwise rotary motion along the removable pin department on the protection base 2, can drive first fixed block 13 and the motion of teaching display screen 16 in the motion of protective housing 1, the surface and the top laminating of protective base 2 until protective housing 1, thereby reached and carried out the effect of protecting around to teaching display screen 16, under whole complex effect, it possesses the function of protection to have realized teaching display screen 16, effectually avoided teaching display screen 16 to receive the collision and damage when placing, it does not possess safeguard function to have solved current display screen for multimedia teaching, place the problem that the external object of in-process easily causes its damage rather than the collision.

All the components in the utility model are universal standard components or components known by those skilled in the art, the structure and principle of the components can be known by technical manuals or conventional experimental methods, meanwhile, the standard components used in the application document can be purchased from the market, the components in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each component adopts the conventional means of mature bolts, rivets, welding and the like in the prior art, the machinery, the components and equipment adopt the conventional models in the prior art, the control mode is automatically controlled through a controller, the control circuit of the controller can be realized through simple programming of those skilled in the art, the components belong to the common knowledge in the art, and the application document is mainly used for protecting mechanical devices, so the detailed explanation of the control mode and circuit connection is omitted, no specific description will be made herein.

When in use, the screw rod 11 can be driven to rotate along the bearing on the fixed plate 10 by starting the stepping motor 9, meanwhile, the movable rod 7 is driven to move leftwards along the surfaces of the threaded rod 11 and the limiting sliding sleeve 12, the movable rod 7 can drive the supporting rod 8 to move while moving, the supporting rod 8 can drive the protective shell 1 to rotate anticlockwise along the movable pin on the protective base 2 while moving, the protective shell 1 can drive the first fixed block 13 and the teaching display screen 16 to move while moving until the surface of the protective shell 1 is attached to the top of the protective base 2, and therefore the effect of protecting the periphery of the teaching display screen 16 is achieved, under whole complex effect, realized that teaching display screen 16 possesses the function of protection, effectually avoided teaching display screen 16 to receive the collision and damage when placing.

Although embodiments of the present invention 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a think political affairs education and use multimedia teaching device, includes protection base (2), its characterized in that: the right side at the top of the protective base (2) is movably connected with a protective shell (1) through a movable pin, the periphery of the right side of an inner cavity of the protective shell (1) is fixedly connected with first fixed blocks (13), four teaching display screens (16) are fixedly arranged between the left sides of the first fixed blocks (13), the lower end of the right side of the protective base (2) is fixedly connected with a limiting sliding sleeve (12), the middle end of the bottom of the inner cavity of the protective base (2) is fixedly connected with a fixed plate (10), the left side of the fixed plate (10) is fixedly provided with a stepping motor (9), the output end of the stepping motor (9) is fixedly provided with a threaded rod (11), the left end of the threaded rod (11) is movably connected with the right side of the fixed plate (10) through a bearing, the right end of the threaded rod (11) is connected with a movable rod (7), and the outer surface of the movable rod (7) is movably connected with the inner surface of the limiting sliding sleeve (12), and a support rod (8) is movably connected between the right end of the top of the outer surface of the movable rod (7) and the right end of the bottom of the outer surface of the protective shell (1) through a movable pin.

2. The multimedia teaching apparatus for ideological and political education according to claim 1, wherein: spacing groove (19) have all been seted up to the both sides of movable rod (7) surface, the equal fixedly connected with stopper (20) in both sides of spacing sliding sleeve (12) internal surface, the surperficial swing joint of stopper (20) is in the surface of spacing groove (19).

3. The multimedia teaching apparatus for ideological and political education according to claim 1, wherein: the protection casing (1) inner chamber right side both ends equal fixedly connected with second fixed block (14), two fixedly connected with heat dissipation fan (15) between the left end of second fixed block (14).

4. The multimedia teaching apparatus for ideological and political education according to claim 1, wherein: the middle end on the right side of the protective shell (1) is provided with a heat dissipation hole (17), and the left end of the heat dissipation hole (17) is fixedly provided with a non-woven fabric net (18).

5. The multimedia teaching apparatus for ideological and political education according to claim 1, wherein: the protection base (2) surface bottom all around all fixedly connected with supporting leg (3), four fixedly connected with bottom plate (5) between the bottom of supporting leg (3).

6. The multimedia teaching apparatus for ideological and political education according to claim 5, wherein: all there is loose pulley (6) all through bearing swing joint around bottom plate (5) bottom, the middle-end fixedly connected with balancing weight (4) at bottom plate (5) top.