CN215416258U - Projector curtain with self-adaptive brightness adjusting function for multimedia classroom - Google Patents
Projector curtain with self-adaptive brightness adjusting function for multimedia classroom Download PDFInfo
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- CN215416258U CN215416258U CN202023019311.2U CN202023019311U CN215416258U CN 215416258 U CN215416258 U CN 215416258U CN 202023019311 U CN202023019311 U CN 202023019311U CN 215416258 U CN215416258 U CN 215416258U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 63
- 238000004140 cleaning Methods 0.000 claims abstract description 43
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model provides a projector curtain with a self-adaptive brightness adjusting function for a multimedia classroom, belongs to the technical field of projectors, and aims to solve the problems that when dust falls onto the curtain, the existing projector curtain is cleaned manually, time and labor are wasted, and the labor intensity of workers is increased; a group of first motors is fixedly connected to the left side inside the mounting shell; a group of second motors is fixedly connected to the left side inside the mounting shell; a group of left-side transmission lead screws are rotatably connected to the left side inside the mounting shell; according to the utility model, when the curtain descends, the second cleaning brush moves by controlling the second motor to avoid the curtain from being stacked and stuck, and when the curtain ascends, the curtain is cleaned by the second cleaning brush and the first cleaning brush, so that the use is convenient.
Description
Technical Field
The utility model belongs to the technical field of projectors, and particularly relates to a projector curtain with a self-adaptive brightness adjusting function for a multimedia classroom.
Background
The projecting apparatus is one kind and utilizes optical element to enlarge the profile of work piece to with its optical instrument on projecting to the movie screen, when the teaching is carried out in the multimedia classroom, need use the projecting apparatus to put in the data, the projecting apparatus projects the image on the curtain, make the data can carry out the watching in the multimedia classroom, current from being suitable for luminance regulation projecting apparatus curtain when using, need clear up the curtain, avoid the dust too much to cause the influence to watching.
Based on the aforesaid, when current projecting apparatus curtain falls on the curtain at the dust, need clear up, current clearance is with the curtain expansion, and the manual work is cleared up the curtain, wastes time and energy, has increased staff's intensity of labour.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a projector curtain with adaptive brightness adjustment function for a multimedia classroom is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a projector curtain with a self-adaptive brightness adjusting function for a multimedia classroom, which aims to solve the problems that the existing projector curtain needs to be cleaned when dust falls on the curtain, the existing cleaning is to unfold the curtain, the curtain is cleaned manually, time and labor are wasted, and the labor intensity of workers is increased.
The utility model relates to a projector curtain with self-adaptive brightness adjusting function for a multimedia classroom, which has the purpose and the effect and is achieved by the following specific technical means:
a projector curtain with a self-adaptive brightness adjusting function for a multimedia classroom comprises an installation shell; a group of first motors is fixedly connected to the left side inside the mounting shell; a group of rotating rollers are rotatably connected to the upper part inside the mounting shell; a group of second motors is fixedly connected to the left side inside the mounting shell; a group of left-side transmission lead screws are rotatably connected to the left side inside the mounting shell; a group of first cleaning brushes is rotatably connected inside the mounting shell; a group of second cleaning brushes are rotatably connected inside the mounting shell; the right side in the mounting shell is rotatably connected with a group of right side transmission screw rods.
Furthermore, the second motor is still including transmission bevel gear, and second motor right side fixedly connected with a set of transmission bevel gear, and left side transmission screw is still including driven bevel gear, and left side transmission screw rear fixedly connected with a set of driven bevel gear, transmission bevel gear and driven bevel gear meshing constitute gear drive.
Further, the second cleaning brush further comprises a left connecting slide block, the left side of the second cleaning brush is fixedly connected with a group of left connecting slide blocks, and the left connecting slide blocks are in threaded connection with the left transmission screw to form a screw nut transmission pair.
Further, the left side drive screw is still including drive sprocket, a set of drive sprocket of left side drive screw place ahead fixedly connected with, and the right side drive screw is still including driven sprocket, a set of driven sprocket of right side drive screw place ahead fixedly connected with, and drive sprocket and driven sprocket constitute the belt drive.
Further, the second cleaning brush further comprises a right side cleaning sliding block, a group of right side cleaning sliding blocks are fixedly connected to the right side of the second cleaning brush, and the right side cleaning sliding blocks are connected with the right side transmission screw in a threaded mode to form a screw nut transmission pair.
Compared with the prior art, the utility model has the following beneficial effects:
when the utility model is used, when the curtain descends, a second motor is controlled to rotate, the second motor is meshed with a driven bevel gear through a transmission bevel gear to form a gear transmission mechanism to drive a left transmission screw to rotate, the left transmission screw rotates and is in threaded connection with the left transmission screw through a left connecting slide block to form a screw nut transmission pair to drive a second cleaning brush to move forwards, when the left transmission screw rotates, the left transmission screw forms belt transmission through a transmission chain wheel and a driven chain wheel to drive a right transmission screw to rotate, the second cleaning brush is in threaded connection with the right transmission screw through a right cleaning slide block to form a screw nut transmission pair, the forward movement of the second cleaning brush is realized, a certain space is formed between the second cleaning brush and the first cleaning brush, and the phenomenon of main clamping is avoided when the curtain falls, when the curtain rises, through controlling second motor control second clearance brush rearward movement, make second clearance brush and first clearance brush contact with the curtain, clear up the curtain, to sum up, when the curtain descends, through controlling the second motor, make the second clearance brush remove and avoid the curtain to pile up the card and die, when rising, clear up convenient to use through second clearance brush and first clearance brush to the curtain.
Drawings
FIG. 1 is a schematic axial side view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic view of the internal structure of the present invention.
FIG. 4 is a schematic view of a second cleaning brush mounting arrangement of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. installing a shell; 2. a first motor; 3. rotating the roller; 4. a second motor; 401. a drive bevel gear; 5. A left side drive screw; 501. a driven bevel gear; 502. a drive sprocket; 6. a first cleaning brush; 7. a second cleaning brush; 701. the left side is connected with a sliding block; 702. cleaning the slide block on the right side; 8. a right side drive screw; 801. A driven sprocket.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 4:
the utility model provides a projector curtain with a self-adaptive brightness adjusting function for a multimedia classroom, which comprises an installation shell 1; a group of first motors 2 are fixedly connected to the left side inside the mounting shell 1; a group of rotating rollers 3 are rotatably connected to the upper part inside the mounting shell 1; a group of second motors 4 are fixedly connected to the left side inside the mounting shell 1; a group of left-side transmission screw rods 5 are rotatably connected to the left side inside the mounting shell 1; a group of first cleaning brushes 6 is rotatably connected inside the mounting shell 1; a group of second cleaning brushes 7 is rotatably connected inside the mounting shell 1; the right side in the installation shell 1 is rotatably connected with a group of right side transmission screw rods 8.
Wherein, the second motor 4 is still including transmission bevel gear 401, a set of transmission bevel gear 401 of 4 right sides fixedly connected with of second motor, left side transmission screw 5 is still including driven bevel gear 501, a set of driven bevel gear 501 of 5 rear fixedly connected with of left side transmission screw, transmission bevel gear 401 and driven bevel gear 501 meshing constitute gear drive, in use, when second motor 4 rotates, constitute gear drive through transmission bevel gear 401 and driven bevel gear 501 meshing, drive left side transmission lead screw 5 and rotate.
Wherein, second clearance brush 7 is still including left side link block 701, and second clearance brush 7 left side fixedly connected with a set of left side link block 701, and left side link block 701 constitutes screw nut transmission pair with 5 threaded connection of left side drive screw, and in use, when left side drive screw 5 rotates, constitutes screw nut transmission pair through left side link block 701 and 5 threaded connection of left side drive screw, drives second clearance brush 7 and removes.
Wherein, left side transmission screw 5 is still including drive sprocket 502, a set of drive sprocket 502 of 5 the place ahead fixedly connected with of left side transmission screw, right side transmission screw 8 is still including driven sprocket 801, a set of driven sprocket 801 of 8 the place ahead fixedly connected with of right side transmission screw, drive sprocket 502 and driven sprocket 801 constitute the belt drive, in use, when left side transmission screw 5 rotates, constitute the belt drive through drive sprocket 502 and driven sprocket 801, drive right side transmission screw 8 and rotate.
Wherein, second clearance brush 7 is still including right side clearance slider 702, and 7 right sides fixedly connected with of second clearance brush a set of right side clearance sliders 702, and right side clearance sliders 702 and 8 threaded connection of right side drive screw constitute the screw nut transmission pair, and in use constitutes the screw nut transmission pair through right side clearance sliders 702 and 8 threaded connection of right side drive screw, realizes the removal of second clearance brush 7.
The specific use mode and function of the embodiment are as follows:
when the curtain descends, the second motor 4 is controlled to rotate, the second motor 4 is meshed with the driven bevel gear 501 through the drive bevel gear 401 to form a gear transmission mechanism to drive the left drive screw 5 to rotate, the left drive screw 5 rotates, the left connecting slide block 701 is in threaded connection with the left drive screw 5 to form a screw nut transmission pair, the second cleaning brush 7 is driven to move forwards, when the left drive screw 5 rotates, the left drive screw 5 forms belt transmission with the driven sprocket 801 through the drive sprocket 502 to drive the right drive screw 8 to rotate, the second cleaning brush 7 is in threaded connection with the right drive screw 8 through the right cleaning slide block 702 to form a screw nut transmission pair, the forward movement of the second cleaning brush 7 is realized, a certain space is formed between the second cleaning brush 7 and the first cleaning brush 6, and the phenomenon of main clamping is avoided when the curtain falls, when the curtain rises, the second motor 4 is controlled to control the second cleaning brush 7 to move backwards, so that the second cleaning brush 7 and the first cleaning brush 6 are in contact with the curtain to clean the curtain.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. The projecting apparatus curtain that has self-adaptation brightness control function that multimedia classroom used, its characterized in that: the projector curtain with the self-adaptive brightness adjusting function for the multimedia classroom comprises a mounting shell (1); a group of first motors (2) is fixedly connected to the left side inside the mounting shell (1); a group of rotating rollers (3) are rotatably connected to the upper part inside the mounting shell (1); a group of second motors (4) is fixedly connected to the left side inside the mounting shell (1); a group of left-side transmission lead screws (5) are rotatably connected to the left side inside the mounting shell (1); a group of first cleaning brushes (6) is rotatably connected inside the mounting shell (1); a group of second cleaning brushes (7) is rotatably connected inside the mounting shell (1); the right side in the mounting shell (1) is rotatably connected with a group of right side transmission screw rods (8).
2. The projector curtain with adaptive brightness adjustment for use in a multimedia classroom as described in claim 1, wherein: the second motor (4) is still including transmission bevel gear (401), a set of transmission bevel gear (401) of second motor (4) right side fixedly connected with, left side transmission screw (5) are still including driven bevel gear (501), a set of driven bevel gear (501) of left side transmission screw (5) rear fixedly connected with, and transmission bevel gear (401) and driven bevel gear (501) meshing constitute gear drive.
3. The projector curtain with adaptive brightness adjustment for use in a multimedia classroom as described in claim 1, wherein: the second cleaning brush (7) further comprises a left side connecting slide block (701), the left side of the second cleaning brush (7) is fixedly connected with a group of left side connecting slide blocks (701), and the left side connecting slide blocks (701) are in threaded connection with the left side transmission screw rod (5) to form a screw nut transmission pair.
4. The projector curtain with adaptive brightness adjustment for use in a multimedia classroom as described in claim 1, wherein: the left side transmission lead screw (5) is still including drive sprocket (502), a set of drive sprocket (502) of left side transmission lead screw (5) the place ahead fixedly connected with, and right side transmission lead screw (8) is still including driven sprocket (801), a set of driven sprocket (801) of right side transmission lead screw (8) the place ahead fixedly connected with, and drive sprocket (502) and driven sprocket (801) constitute the belt drive.
5. The projector curtain with adaptive brightness adjustment for use in a multimedia classroom as described in claim 1, wherein: the second cleaning brush (7) further comprises a right side cleaning sliding block (702), the right side of the second cleaning brush (7) is fixedly connected with a group of right side cleaning sliding blocks (702), and the right side cleaning sliding blocks (702) are in threaded connection with the right side transmission lead screw (8) to form a lead screw nut transmission pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023019311.2U CN215416258U (en) | 2020-12-16 | 2020-12-16 | Projector curtain with self-adaptive brightness adjusting function for multimedia classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023019311.2U CN215416258U (en) | 2020-12-16 | 2020-12-16 | Projector curtain with self-adaptive brightness adjusting function for multimedia classroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215416258U true CN215416258U (en) | 2022-01-04 |
Family
ID=79637142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023019311.2U Active CN215416258U (en) | 2020-12-16 | 2020-12-16 | Projector curtain with self-adaptive brightness adjusting function for multimedia classroom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215416258U (en) |
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2020
- 2020-12-16 CN CN202023019311.2U patent/CN215416258U/en active Active
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