CN211786576U - Projection curtain convenient to adjust - Google Patents
Projection curtain convenient to adjust Download PDFInfo
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- CN211786576U CN211786576U CN202020591805.9U CN202020591805U CN211786576U CN 211786576 U CN211786576 U CN 211786576U CN 202020591805 U CN202020591805 U CN 202020591805U CN 211786576 U CN211786576 U CN 211786576U
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- projection curtain
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- hinged
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Abstract
The utility model belongs to the technical field of projection curtains, in particular to a projection curtain convenient to adjust, which comprises a projection curtain and a supporting mechanism; a suspension rope is arranged at the top of the projection curtain; the supporting mechanism comprises a top disc for placing a suspension rope, a column body, a support and supporting legs; the bottom of the top disc is fixedly connected with the column body, and the bottom of the column body is fixedly connected with the support; a telescopic oil cylinder is fixedly arranged at the front side position of the column body on the support; the output end of the telescopic oil cylinder penetrates through the support and is fixedly connected with a connecting block; two ends of the connecting block are hinged with first connecting rods; the left end and the right end of the support are respectively hinged with two second connecting rods; the two second connecting rods positioned on the same side are equal in length and are arranged in parallel; the bottom ends of the second connecting rods on the left side and the right side are respectively hinged with the two support legs; the first connecting rod is hinged with a second connecting rod which is opposite to the left side and the right side; the utility model discloses not only be convenient for adjust, simple, the convenient operation of installation is convenient for carry moreover.
Description
Technical Field
The utility model belongs to the technical field of the projection curtain, specifically relate to a projection curtain convenient to adjust.
Background
Projection screens are tools used in offices, movies, home theaters, conferences, etc. to display images, videos, and documents. The projection curtain used in many occasions is fixed on a wall body or other carriers, so that the position of the projection curtain is not convenient to adjust, but the projection curtain can be installed at any time in small conferences or public propaganda occasions, and the height of the projection curtain can be adjusted according to actual needs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a projection curtain convenient to adjust is not only convenient for adjust, installs simple, convenient operation moreover, the transport of being convenient for.
The utility model provides a technical scheme that its technical problem adopted is:
a projection curtain convenient to adjust comprises a projection curtain and a supporting mechanism; a suspension rope is arranged at the top of the projection curtain; the supporting mechanism comprises a top disc for placing a suspension rope, a column body, a support and supporting legs; the bottom of the top disc is fixedly connected with the column body, and the bottom of the column body is fixedly connected with the support; a telescopic oil cylinder is fixedly arranged at the front side position of the column body on the support; the output end of the telescopic oil cylinder penetrates through the support and is fixedly connected with a connecting block; two ends of the connecting block are hinged with first connecting rods; the left end and the right end of the support are respectively hinged with two second connecting rods; the two second connecting rods positioned on the same side are equal in length and are arranged in parallel, and the tops of the four second connecting rods are positioned on the same horizontal line; the bottom ends of the second connecting rods on the left side and the right side are respectively hinged with the two support legs; the first connecting rod is hinged with the second connecting rod opposite to the left side and the right side.
Furthermore, the distance between the telescopic oil cylinder and the left end and the distance between the telescopic oil cylinder and the right end of the support are equal.
Furthermore, the support is of a U-shaped structure with a downward opening, and the lower ends of the two side plates are hinged to the second connecting rod.
Furthermore, the top plate is of a downward convex arc-shaped structure, so that the projection curtain is placed more stably.
Furthermore, the top plate is of a cuboid framework, and a groove for placing the suspension rope is formed in the upper surface of the top plate, so that the suspension rope is prevented from sliding forwards and backwards.
The technical effect of the utility model, compared with the prior art, the utility model discloses a two connecting rods of supporting mechanism and the hinge structure of connecting block, landing leg, the height of regulation projection curtain that can be convenient fast also makes things convenient for the transport moreover, excellent in use effect, and its structural design is simple, convenient operation, strong adaptability.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic structural view of the top plate of the present invention;
fig. 3 is another schematic structural view of the top plate of the present invention;
FIG. 4 is a schematic structural view of the support of the present invention;
FIG. 5 is a schematic view of the structure of the utility model in use;
the projection screen comprises a projection screen 1, a supporting mechanism 2, a suspension rope 3, a top disc 4, a column 5, a support 6, a telescopic oil cylinder 7, a connecting block 8, a first connecting rod 9, a second connecting rod 10, supporting legs 11, supporting rods 12, rollers 13 and two side plates 601.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The invention will be further illustrated by the following specific examples and the accompanying drawings.
Example 1:
as shown in fig. 1, the projection curtain convenient to adjust according to the present embodiment includes a projection curtain 1 and a supporting mechanism 2; a suspension rope 3 is arranged at the top of the projection curtain 1; the supporting mechanism 2 comprises a top disc 4 for placing the suspension rope 3, a column body 5, a support 6 and a supporting leg 11; the bottom of the top disc 4 is fixedly connected with a column body 5, and the bottom of the column body 5 is fixedly connected with a support 6; a telescopic oil cylinder 7 is fixedly arranged at the front side position of the column body 5 on the support 6; the output end of the telescopic oil cylinder 7 penetrates through the support 6 and is fixedly connected with a connecting block 8; two ends of the connecting block 8 are hinged with first connecting rods 9; the left end and the right end of the support 6 are respectively hinged with two second connecting rods 10; the two second connecting rods 10 positioned on the same side are equal in length and are arranged in parallel, and the tops of the four second connecting rods 10 are positioned on the same horizontal line; the bottom ends of the second connecting rods 10 on the left side and the right side are respectively hinged with the two supporting legs 11; the first connecting rod 9 is hinged with the second connecting rod 10 which is opposite to the left side and the right side.
Furthermore, the distance between the telescopic oil cylinder 7 and the left end and the distance between the telescopic oil cylinder and the right end of the support 6 are equal.
Further, the support 6 is of a U-shaped structure with a downward opening, and the lower ends of the two side plates 601 are hinged to the second connecting rod 10.
Further, as shown in fig. 2, the top plate 4 is of an arc-shaped structure protruding downwards, so that the projection curtain 1 is placed more stably.
Further, as shown in fig. 3, the top plate 4 is a rectangular parallelepiped, and a groove for placing the suspension rope 3 is formed in the upper surface of the top plate, so that the suspension rope 3 is prevented from sliding back and forth.
Further, as shown in fig. 4, the bottoms of the two legs 11 are both connected with a support rod 12, and two rollers 13 are arranged at the bottom of the support rod 12, wherein one of the rollers is a brake wheel, which facilitates the movement of the whole device.
Further, the two support legs 11 are of a telescopic structure.
When the utility model is used, the suspension rope 3 of the projection curtain 1 is hung on the top disc 4; the telescopic oil cylinder 7 extends downwards, and as the connecting block 8 is hinged to the first connecting rod 9, the first connecting rod is hinged to the second connecting rod 10, and the second connecting rod is hinged to the supporting leg 11, the telescopic oil cylinder 7 drives the first connecting rod 9 to rotate towards two sides, the first connecting rod 9 drives the second connecting rod 10 to rotate towards two sides, the second connecting rod 10 drives the supporting leg 11 to move towards each other, and the second connecting rod 10 drives the structure above the second connecting rod 10 to move downwards, so that the projection curtain 1 is driven to adjust downwards; on the contrary, if the telescopic oil cylinder 7 is shortened upwards, the projection screen 1 is driven to be adjusted upwards, and then the height adjustment of the projection screen 1 is realized. After the projection curtain 1 finishes using, take off from adjusting the structure, then adjust the top dish 4 to the highest point through flexible hydro-cylinder 7, at this moment, two landing legs 11 are inwards amalgamated, are about to the supporting mechanism 2 elongates, more convenient transport.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. A projection curtain convenient to adjust comprises a projection curtain and a supporting mechanism; a suspension rope is arranged at the top of the projection curtain; the method is characterized in that: the supporting mechanism comprises a top disc for placing a suspension rope, a column body, a support and supporting legs; the bottom of the top disc is fixedly connected with the column body, and the bottom of the column body is fixedly connected with the support; a telescopic oil cylinder is fixedly arranged at the front side position of the column body on the support; the output end of the telescopic oil cylinder penetrates through the support and is fixedly connected with a connecting block; two ends of the connecting block are hinged with first connecting rods; the left end and the right end of the support are respectively hinged with two second connecting rods; the two second connecting rods positioned on the same side are equal in length and are arranged in parallel, and the tops of the four second connecting rods are positioned on the same horizontal line; the bottom ends of the second connecting rods on the left side and the right side are respectively hinged with the two support legs; the first connecting rod is hinged with the second connecting rod opposite to the left side and the right side.
2. The adjustable projection curtain of claim 1, wherein: the distance between the telescopic oil cylinder and the left end and the distance between the telescopic oil cylinder and the right end of the support are equal.
3. The adjustable projection curtain of claim 1, wherein: the support is of a U-shaped structure with a downward opening, and the lower ends of the two side plates are hinged to the second connecting rod.
4. The adjustable projection curtain of claim 1, wherein: the top disc is of an arc-shaped structure protruding downwards.
5. The adjustable projection curtain of claim 1, wherein: the top disc is of a cuboid framework, and a groove for placing a suspension rope is formed in the upper surface of the top disc.
6. The adjustable projection curtain of claim 1, wherein: the bottom parts of the two supporting legs are connected with a supporting rod, two idler wheels are arranged at the bottom of the supporting rod, and one of the two idler wheels is a brake wheel.
7. The adjustable projection curtain of claim 1, wherein: the two supporting legs are of telescopic structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020591805.9U CN211786576U (en) | 2020-04-20 | 2020-04-20 | Projection curtain convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020591805.9U CN211786576U (en) | 2020-04-20 | 2020-04-20 | Projection curtain convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211786576U true CN211786576U (en) | 2020-10-27 |
Family
ID=72958647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020591805.9U Active CN211786576U (en) | 2020-04-20 | 2020-04-20 | Projection curtain convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211786576U (en) |
-
2020
- 2020-04-20 CN CN202020591805.9U patent/CN211786576U/en active Active
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