CN214098095U

CN214098095U - Think political affairs teaching with projection curtain structure

Info

Publication number: CN214098095U
Application number: CN202120306436.9U
Authority: CN
Inventors: 毛辉
Original assignee: Shaoyang University
Current assignee: Shaoyang University
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-08-31
Anticipated expiration: 2031-02-02

Abstract

The utility model belongs to a think political affairs teaching technical field, a think political affairs teaching and use projection curtain cloth structure is related to, including the fixed case, fixed case fixed surface is connected with the fixed plate, fixed plate fixed surface is connected with electric putter, electric putter other end fixedly connected with fly leaf. Its beneficial effect is, this think political affairs teaching and use projection curtain cloth structure, through setting up electric putter, when people need clear up the dust on projection cloth surface, people only need control the electric putter extension through external control switch, thereby can drive the fly leaf and remove, and then can drive first connecting plate and remove, can drive the second connecting plate simultaneously and remove, thereby can laminate first brush and projection cloth mutually, can laminate second brush and second projection cloth mutually simultaneously, and then can clear up the dust on projection cloth surface, under electric putter's effect, thereby people are more swift when clearing up the dust on projection cloth surface.

Description

Think political affairs teaching with projection curtain structure

Technical Field

The utility model belongs to think political affairs teaching technical field, concretely relates to think political affairs teaching and use projection curtain structure.

Background

The projection curtain generally combines the projector to use, the projection curtain is the projection screen again, generally divide into commercial curtain, domestic curtain and engineering curtain, the kind of projection curtain is many, divide into high, well and low-grade, can be according to the occasion condition and decide, the projection curtain also divides a large amount of specification and size according to the difference of usage, generally divide into domestic, school usefulness and KTV usefulness, present projection curtain is when using as the teaching, because in the classroom dust more, a lot of dust is infected with easily when the projection curtain uses, present projection curtain is when using, do not clear up the projection curtain, thereby influence the use of projection curtain.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a think political affairs teaching and use projection curtain structure, it has solved the technical problem who does not clear up.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a think political affairs teaching and use projection curtain cloth structure, includes the fixed case, fixed case fixed surface is connected with the fixed plate, fixed plate fixed surface is connected with electric putter, electric putter other end fixedly connected with fly leaf, the fly leaf surface is provided with first connecting plate, first recess has been seted up on the fly leaf surface, be provided with spacing storehouse in the fly leaf, first bearing is worn to be equipped with by first recess inner wall, wear to be equipped with first pivot in the first bearing, first pivot one end fixedly connected with screw thread post, screw thread post surface threaded connection has the screwed pipe, the spout has been seted up to spacing storehouse inner wall, sliding connection has the slider in the spout, slider other end fixed connection is on the screwed pipe surface, the slider is total two, and symmetrical connection is on the screwed pipe surface.

As a further aspect of the present invention: the threaded pipe fixed surface is connected with first kelly, the second draw-in groove has been seted up on the activity board surface, first connecting plate fixed surface is connected with the second kelly, second draw-in groove and second kelly looks joint.

As a further aspect of the present invention: first draw-in groove has been seted up on second kelly surface, first draw-in groove and first kelly looks joint, first pivot other end fixedly connected with carousel, be provided with the limiting plate in the first recess, the limiting plate other end and carousel looks joint, first connecting plate fixed surface is connected with the telescopic link.

As a further aspect of the present invention: the spring has been cup jointed on the telescopic link surface, telescopic link other end fixedly connected with second connecting plate, the telescopic link is common two, and symmetric connection is on first connecting plate surface, the first brush of second connecting plate surface fixedly connected with.

As a further aspect of the present invention: the fixed case fixed surface is connected with the third connecting plate, third connecting plate fixed surface is connected with the second brush, fixed incasement wall fixedly connected with positive and negative motor, positive and negative motor's output shaft fixedly connected with second pivot.

As a further aspect of the present invention: the fixed incasement wall fixedly connected with second bearing, the second pivot other end is worn to establish in the second bearing, second pivot fixed surface is connected with the wind-up roll, wind-up roll fixed surface is connected with the projection cloth, the through-hole has been seted up on the fixed incasement surface.

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

1. this think political affairs teaching and use projection curtain cloth structure, through setting up electric putter, when people need clear up the dust on projection cloth surface, people only need control the electric putter extension through external control switch, thereby can drive the fly leaf and remove, and then can drive first connecting plate and remove, can drive the second connecting plate simultaneously and remove, thereby can laminate first brush and projection cloth mutually, can laminate second brush and second projection cloth mutually simultaneously, and then can clear up the dust on projection cloth surface, under electric putter's effect, thereby people are more swift when clearing up the dust on projection cloth surface.

2. This think political affairs teaching and use projection curtain cloth structure, through setting up carousel and first pivot, when people need change first brush, people only need rotate through external instrument and grab the carousel, thereby can drive first pivot and rotate, can drive the screw thread post simultaneously and rotate, under the interact of screw thread post and screwed pipe, thereby can drive first kelly and remove, and then can be with first kelly and first draw-in groove phase separation, and then people can remove first connecting plate, can drive first brush simultaneously and remove, and then can change first brush, under the interact of carousel and first pivot, thereby people are more swift when changing first brush, and then people's work efficiency has been improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural view of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 5 is an enlarged schematic structural view of the utility model at the point B in fig. 2;

fig. 6 is a schematic view of a partial three-dimensional structure of the present invention;

in the figure: 1. a fixed box; 2. a fixing plate; 3. an electric push rod; 4. a movable plate; 5. a first connecting plate; 6. a first groove; 7. a first bearing; 8. a first rotating shaft; 9. a threaded post; 10. a threaded pipe; 11. a chute; 12. a slider; 13. a first clamping rod; 14. a second card slot; 15. a second clamping rod; 16. a turntable; 17. a limiting plate; 18. a telescopic rod; 19. a spring; 20. a second connecting plate; 21. a first brush; 22. a third connecting plate; 23. a second brush; 24. a positive and negative motor; 25. a second rotating shaft; 26. a second bearing; 27. a wind-up roll; 28. a projection cloth; 29. a through hole; 30. a first card slot; 31. and (4) limiting the bin.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-6, the present invention provides the following technical solutions: a projection screen cloth structure for thinking political affairs teaching comprises a fixed box 1, wherein a fixed plate 2 is fixedly connected to the surface of the fixed box 1, an electric push rod 3 is fixedly connected to the surface of the fixed plate 2, when people need to clean dust on the surface of projection cloth 28, people only need to control the electric push rod 3 to extend through an external control switch so as to drive a movable plate 4 to move, further drive a first connecting plate 5 to move, and simultaneously drive a second connecting plate 20 to move, so that a first brush 21 can be attached to the projection cloth 28, a second brush 23 can be attached to the second projection cloth 28, further dust on the surface of the projection cloth 28 can be cleaned, under the action of the electric push rod 3, so that people can clean the dust on the surface of the projection cloth 28 more quickly, the movable plate 4 is fixedly connected to the other end of the electric push rod 3, the utility model discloses a threaded pipe, including fly leaf 4, first recess 6 has been seted up on fly leaf 4 surface, be provided with spacing storehouse 31 in the fly leaf 4, first bearing 7 is worn to be equipped with by 6 inner walls of first recess, wear to be equipped with first pivot 8 in the first bearing 7, 8 one end fixedly connected with screw thread posts 9 of first pivot, screw thread posts 9 surface threaded connection has screwed pipe 10, spout 11 has been seted up to spacing storehouse 31 inner wall, sliding connection has slider 12 in the

spout

11, 12 other end fixed connection of slider are on the screwed pipe 10 surface, slider 12 is total two, and symmetrical connection is on screwed pipe 10 surface.

Specifically, screwed pipe 10 fixed surface is connected with first kelly 13, second draw-in groove 14 has been seted up on fly leaf 4 surface, first connecting plate 5 fixed surface is connected with second kelly 15, second draw-in groove 14 and second kelly 15 looks joint.

Specifically, the surface of the second clamping bar 15 is provided with a first clamping groove 30, the first clamping groove 30 is clamped with the first clamping bar 13, the other end of the first rotating shaft 8 is fixedly connected with a rotating disc 16, by arranging the rotating disc 16 and the first rotating shaft 8, when people need to replace the first brush 21, people only need to rotate the rotating disc 16 through an external tool, so as to drive the first rotating shaft 8 to rotate, and simultaneously drive the threaded column 9 to rotate, and under the interaction between the threaded column 9 and the threaded pipe 10, so as to drive the first clamping bar 13 to move, and further separate the first clamping bar 13 from the first clamping groove 30, so that people can move the first connecting plate 5, and simultaneously drive the first brush 21 to move, and further replace the first brush 21, under the interaction between the rotating disc 16 and the first rotating shaft 8, so that people can replace the first brush 21 more quickly, and then improved people's work efficiency, be provided with limiting plate 17 in the first recess 6, the limiting plate 17 other end and carousel 16 looks joint, first connecting plate 5 fixed surface is connected with telescopic link 18.

Specifically, spring 19 has been cup jointed on the telescopic link 18 surface, 18 other end fixedly connected with second connecting plate 20 of telescopic link, telescopic link 18 are common two, and the symmetric connection is on first connecting plate 5 surface, 20 fixed surface of second connecting plate is connected with first brush 21.

Specifically, fixed 1 fixed surface of case is connected with third connecting plate 22, third connecting plate 22 fixed surface is connected with second brush 23, fixed 1 inner wall fixedly connected with positive and negative motor 24 of case, positive and negative motor 24's output shaft fixedly connected with second pivot 25.

Specifically, the inner wall fixedly connected with second bearing 26 of fixed case 1, the second pivot 25 other end is worn to establish in second bearing 26, second pivot 25 fixed surface is connected with wind-up roll 27, wind-up roll 27 fixed surface is connected with projection cloth 28, through-hole 29 has been seted up on fixed case 1 surface.

The utility model discloses a theory of operation does:

s1, when the dust removing device is used, firstly, the dust removing device is placed at a proper position, when people need to remove dust on the projection cloth 28, people only need to control the electric push rod 3 to extend through an external control switch, so that the movable plate 4 can be driven to move, the first connecting plate 5 can be driven to move, meanwhile, the second connecting plate 20 can be driven to move, the first brush 21 can be attached to the projection cloth 28, and meanwhile, the second brush 23 can be attached to the second projection cloth 28;

s2, secondly, controlling the operation of the positive and negative motors 24 through an external control switch by people, so that the second rotating shaft 25 can be driven to rotate, and meanwhile, the winding roller 27 can be driven to rotate, so that the projection cloth 28 can be wound, and meanwhile, the first brushes 21 and the second brushes 23 can clean dust on the surface of the projection cloth 28;

s3, when people need to change first brush 21, people at first remove limiting plate 17 through external instrument, and then can rotate through external instrument and grab carousel 16, thereby can drive first pivot 8 and rotate, simultaneously can drive screw post 9 and rotate, under the interact of screw post 9 and screwed pipe 10, thereby can drive first kelly 13 and remove, and then can separate first kelly 13 and first draw-in groove 30, and then people can remove first connecting plate 5, can drive first brush 21 simultaneously and remove, and then can change first brush 21, under the interact of carousel 16 and first pivot 8, thereby people are more swift when changing first brush 21, and then people' S work efficiency has been improved.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a think political affairs teaching and use projection curtain structure, includes fixed case (1), its characterized in that: the fixed box (1) is fixedly connected with a fixed plate (2) on the surface, the fixed plate (2) is fixedly connected with an electric push rod (3) on the surface, the other end of the electric push rod (3) is fixedly connected with a movable plate (4), the surface of the movable plate (4) is provided with a first connecting plate (5), the surface of the movable plate (4) is provided with a first groove (6), a limiting bin (31) is arranged in the movable plate (4), a first bearing (7) is arranged on the inner wall of the first groove (6) in a penetrating manner, a first rotating shaft (8) is arranged in the first bearing (7) in a penetrating manner, one end of the first rotating shaft (8) is fixedly connected with a threaded column (9), the surface of the threaded column (9) is in threaded connection with a threaded pipe (10), a sliding chute (11) is arranged on the inner wall of the limiting bin (31), and a sliding block (12) is connected in the sliding manner in the sliding chute (11), the other end of the sliding block (12) is fixedly connected to the surface of the threaded pipe (10), and the two sliding blocks (12) are symmetrically connected to the surface of the threaded pipe (10).

2. The projection screen structure for thinking and political affairs teaching of claim 1, characterized in that: screwed pipe (10) fixed surface is connected with first kelly (13), second draw-in groove (14) have been seted up on fly leaf (4) surface, first connecting plate (5) fixed surface is connected with second kelly (15), second draw-in groove (14) and second kelly (15) looks joint.

3. The projection screen structure for thinking and political affairs teaching of claim 2, characterized in that: first draw-in groove (30) have been seted up on second kelly (15) surface, first draw-in groove (30) and first kelly (13) looks joint, first pivot (8) other end fixedly connected with carousel (16), be provided with limiting plate (17) in first recess (6), the limiting plate (17) other end and carousel (16) looks joint, first connecting plate (5) fixed surface is connected with telescopic link (18).

4. The projection screen structure for thinking and political affairs teaching of claim 3, characterized in that: the surface of the telescopic rod (18) is sleeved with a spring (19), the other end of the telescopic rod (18) is fixedly connected with a second connecting plate (20), the two telescopic rods (18) are common, the two telescopic rods are symmetrically connected to the surface of the first connecting plate (5), and the surface of the second connecting plate (20) is fixedly connected with a first brush (21).

5. The projection screen structure for thinking and political affairs teaching of claim 1, characterized in that: the fixed box (1) fixed surface is connected with third connecting plate (22), third connecting plate (22) fixed surface is connected with second brush (23), fixed box (1) inner wall fixedly connected with positive and negative motor (24), the output shaft fixedly connected with second pivot (25) of positive and negative motor (24).

6. The projection screen structure for thinking and political affairs teaching of claim 5, characterized in that: fixed case (1) inner wall fixedly connected with second bearing (26), second pivot (25) other end is worn to establish in second bearing (26), second pivot (25) fixed surface is connected with wind-up roll (27), wind-up roll (27) fixed surface is connected with projection cloth (28), through-hole (29) have been seted up on fixed case (1) surface.