CN215495468U

CN215495468U - Curtain structure is given to projection arrangement of junior middle school english teaching usefulness

Info

Publication number: CN215495468U
Application number: CN202122310594.4U
Authority: CN
Inventors: 王勤
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-01-11
Anticipated expiration: 2031-09-22

Abstract

The utility model relates to the field of curtain devices, in particular to a projection device curtain feeding structure for junior middle school English teaching, which comprises a cover body, wherein a curtain body is arranged on the outer surface of the lower end of the cover body, a brush roller is arranged on the front side of the cover body, rectangular blocks are arranged at the two ends of the brush roller, clamping seats are arranged on the outer surfaces of the side ends of the rectangular blocks, bolts are arranged on the outer surfaces of the upper ends of the clamping seats, the dust removal on the surface of the curtain body is facilitated by arranging the brush roller on the front side of the curtain body, and the rectangular blocks are movably connected with the clamping seats through the bolts, so that the brush roller is convenient to mount and dismount.

Description

Curtain structure is given to projection arrangement of junior middle school english teaching usefulness

Technical Field

The utility model relates to the field of curtain devices, in particular to a curtain feeding structure of a projection device for junior middle school English teaching.

Background

The projection device is used for displaying images and video files on the occasions such as movies, offices, home theaters, large conferences and the like; the selection of different space projection screens is different, for example, a wide viewing angle and a low gain screen are suitable for the occasions with more people to watch or the occasions to watch transversely, a narrow viewing angle and a high gain screen are selected for watching in a narrow and long space, and a screen with proper gain is selected at the same time, so that the contrast of the screen is improved, the gray level of an image is increased, the color is bright, and the observability of the image is increased.

The existing projection curtain can be stained with dust in the using process, so that the projection is not clear, and the shadow watching effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a screen feeding structure of a projection device for junior middle school English teaching, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a projection arrangement for curtain structure of junior middle school english teaching usefulness, the rain cape comprises a cover body, the lower extreme surface of the cover body is provided with the curtain body, the front side of the cover body is provided with the brush roller, the both ends of brush roller are provided with the rectangle piece, the side surface of rectangle piece is provided with the cassette, the upper end surface of cassette is provided with the bolt, one side surface of cassette is provided with first drive wheel, one side surface of first drive wheel is provided with the support frame, one side surface of support frame is provided with the mounting, the inside of the cover body is provided with motor and bull stick, the side surface of bull stick is provided with the second transmission shaft, the side surface of first drive wheel and second transmission shaft is provided with the drive belt.

As a preferable scheme of the utility model, the curtain body is rotatably connected with the rotating rod and movably connected with the cover body, and the rectangular blocks are fixedly welded at two ends of the brush roller.

As a preferable scheme of the present invention, the clamping seat is fixedly welded to an outer surface of one side of the first driving wheel, the fixing member is fixedly welded to an outer surface of the other side of the first driving wheel, and the fixing member is rotatably connected to the supporting frame.

As a preferable scheme of the utility model, a mounting hole is formed at the joint of the bolt and the clamping seat, the bolt is movably connected with the clamping seat through the mounting hole, and the brush roller is movably connected with the clamping seat through the rectangular block.

As a preferable aspect of the present invention, the support frame is fixedly welded to an outer surface of a front end of the cover body, and the motor is fixedly installed inside the cover body.

As a preferable scheme of the present invention, the rotating rod is rotatably connected to the motor, the second transmission shaft is fixedly welded to an outer surface of a side end of the rotating rod, and the transmission belt is rotatably engaged with the first transmission wheel and the second transmission shaft, respectively.

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

1. according to the curtain body dust removal device, the brush roller is arranged on the front side of the curtain body and is in rotating connection with the rotating rod through the first driving wheel, the second driving wheel and the driving belt, so that the brush roller is driven to rotate when the motor drives the rotating rod to retract and release the curtain body, dust removal is performed on the surface of the curtain body, and image quality is improved.

2. According to the utility model, the rectangular blocks are arranged at the two ends of the brush roller and movably connected with the clamping seat through the bolts, so that the brush roller is convenient to mount and dismount, and the brush roller can be conveniently dismounted to clean or maintain after being used for a long time.

Drawings

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

FIG. 2 is a general view of the internal structure of the present invention;

FIG. 3 is a partially enlarged view of the present invention.

In the figure: 1. a cover body; 2. a curtain body; 3. a brush roller; 4. a rectangular block; 5. a card holder; 6. a bolt; 7. mounting holes; 8. a first drive pulley; 9. a support frame; 10. a fixing member; 11. a motor; 12. a rotating rod; 13. a second drive shaft; 14. a transmission belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

While several embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in order to facilitate an understanding of the utility model, the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed to provide a more complete disclosure of the utility model.

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 also be present, that 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, and that 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 terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are 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. 1-3, the present invention provides a technical solution:

the utility model provides a projection arrangement for curtain structure of junior middle school english teaching usefulness, including the cover body 1, the lower extreme surface of the cover body 1 is provided with curtain body 2, the front side of the cover body 1 is provided with brush roller 3, the both ends of brush roller 3 are provided with rectangular block 4, rectangular block 4's side surface is provided with cassette 5, cassette 5's upper end surface is provided with bolt 6, one side surface of cassette 5 is provided with first drive wheel 8, one side surface of first drive wheel 8 is provided with support frame 9, one side surface of support frame 9 is provided with mounting 10, the inside of the cover body 1 is provided with motor 11 and bull stick 12, the side surface of bull stick 12 is provided with second transmission shaft 13, the side surface of first drive wheel 8 and second transmission shaft 13 is provided with drive belt 14.

In an embodiment, referring to fig. 1, 2 and 3, the curtain body 2 is rotatably connected with the rotating rod 12 and movably connected with the cover body 1, the rectangular blocks 4 are fixedly welded at two ends of the brush roller 3, and the rectangular blocks 4 facilitate the brush roller 3 to be clamped in the clamping seat 5; the clamping seat 5 is fixedly welded on the outer surface of one side of the first driving wheel 8, the fixing piece 10 is fixedly welded on the outer surface of the other side of the first driving wheel 8, the fixing piece 10 is rotatably connected with the supporting frame 9, and the fixing piece 10 is convenient for the first driving wheel 8 to be rotatably connected with the supporting frame 9; a mounting hole 7 is formed at the joint of the bolt 6 and the clamping seat 5, the bolt 6 is movably connected with the clamping seat 5 through the mounting hole 7, the brush roller 3 is movably connected with the clamping seat 5 through the rectangular block 4, and the brush roller 3 is convenient for cleaning dust on the surface of the curtain body 2;

when the brush roller 3 needs to be cleaned after being used for a long time, a user firstly takes the bolt 6 out of the mounting hole 7, the brush roller 3 is pulled out of the clamping seat 5 through the rectangular block 4, the mounting is convenient to detach the brush roller 3, and therefore the brush roller 3 is convenient to clean and maintain regularly.

In an embodiment, referring to fig. 2 and 3, the supporting frame 9 is fixedly welded on the outer surface of the front end of the cover body 1, the motor 11 is fixedly installed inside the cover body 1, and the cover body 1 is convenient for protecting the motor 11 and the rotating rod 12; be connected for rotating between bull stick 12 and the motor 11, second transmission shaft 13 is fixed to be welded in the side surface of bull stick 12, and drive belt 14 meshes for rotating with first drive wheel 8 and second transmission shaft 13 respectively and links, and drive belt 14 is convenient for drive first drive wheel 8 rotatory.

When the user need use curtain body 2, the user is the circular telegram with motor 11, curtain body 2 is put down to motor 11 drive bull stick 12 anticlockwise rotation, drive first transmission wheel 8 in the bull stick 12 anticlockwise rotation, second transmission shaft 13 and drive belt 14 are rotatory, brush roller 3 sweeps the ash to the clockwise rotation of surface of curtain body 2 under the effect of first transmission wheel 8 this moment, when curtain body 2 is packed up to the clockwise rotation of bull stick 12 with the principle, brush roller 3 carries out anticlockwise rotation to curtain body 2 and sweeps the ash, be favorable to preventing that the dust from being infected with and leading to the projection on curtain body 2 unclear.

The working process of the utility model is as follows: when a user needs to use the curtain body 2, the user energizes the motor 11, the motor 11 drives the rotating rod 12 to rotate anticlockwise to put down the curtain body 2, the rotating rod 12 rotates anticlockwise and drives the first transmission wheel 8, the second transmission shaft 13 and the transmission belt 14 to rotate, at the moment, the brush roller 3 rotates clockwise to sweep dust on the surface of the curtain body 2 under the action of the first transmission wheel 8, and meanwhile, when the rotating rod 12 rotates clockwise to put up the curtain body 2, the brush roller 3 rotates anticlockwise to sweep dust on the curtain body 2, so that the situation that the dust is polluted on the curtain body 2 to cause unclear projection is favorably prevented, when the brush roller 3 needs to be cleaned after being used for a long time, a user firstly takes the bolt 6 out of the mounting hole 7, the brush roller 3 is pulled out of the clamping seat 5 through the rectangular block 4, the mounting is convenient to detach the brush roller 3, and therefore the brush roller 3 is convenient to clean and maintain regularly.

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 projection arrangement of junior middle school english teaching usefulness gives curtain structure, includes the cover body (1), its characterized in that: the outer surface of the lower end of the cover body (1) is provided with a curtain body (2), the front side of the cover body (1) is provided with a brush roller (3), rectangular blocks (4) are arranged at two ends of the brush roller (3), clamping seats (5) are arranged on the outer surfaces of the side ends of the rectangular blocks (4), a bolt (6) is arranged on the outer surface of the upper end of the clamping seat (5), a first driving wheel (8) is arranged on the outer surface of one side of the clamping seat (5), a supporting frame (9) is arranged on the outer surface of one side of the first driving wheel (8), a fixing piece (10) is arranged on the outer surface of one side of the supporting frame (9), a motor (11) and a rotating rod (12) are arranged in the cover body (1), a second transmission shaft (13) is arranged on the outer surface of the side end of the rotating rod (12), and the outer surfaces of the side ends of the first transmission wheel (8) and the second transmission wheel (13) are provided with transmission belts (14).

2. The projection arrangement of junior middle school english teaching usefulness gives curtain structure according to claim 1 characterized in that: the curtain body (2) is rotatably connected with the rotating rod (12), the curtain body is movably connected with the cover body (1), and the rectangular blocks (4) are fixedly welded at two ends of the brush roller (3).

3. The projection arrangement of junior middle school english teaching usefulness gives curtain structure according to claim 1 characterized in that: the clamping seat (5) is fixedly welded on the outer surface of one side of the first driving wheel (8), the fixing piece (10) is fixedly welded on the outer surface of the other side of the first driving wheel (8), and the fixing piece (10) is rotatably connected with the supporting frame (9).

4. The projection arrangement of junior middle school english teaching usefulness gives curtain structure according to claim 1 characterized in that: the brush roller is characterized in that a mounting hole (7) is formed in the joint of the bolt (6) and the clamping seat (5), the bolt (6) is movably connected with the clamping seat (5) through the mounting hole (7), and the brush roller (3) is movably connected with the clamping seat (5) through the rectangular block (4).

5. The projection arrangement of junior middle school english teaching usefulness gives curtain structure according to claim 1 characterized in that: the support frame (9) is fixedly welded on the outer surface of the front end of the cover body (1), and the motor (11) is fixedly installed in the cover body (1).

6. The projection arrangement of junior middle school english teaching usefulness gives curtain structure according to claim 1 characterized in that: be connected for rotating between bull stick (12) and motor (11), second transmission shaft (13) fixed welding is in the side surface of bull stick (12), drive belt (14) are connected for rotating with the meshing of first drive wheel (8) and second transmission shaft (13) respectively.