CN220357424U - Stable projection curtain - Google Patents
Stable projection curtain Download PDFInfo
- Publication number
- CN220357424U CN220357424U CN202321671262.1U CN202321671262U CN220357424U CN 220357424 U CN220357424 U CN 220357424U CN 202321671262 U CN202321671262 U CN 202321671262U CN 220357424 U CN220357424 U CN 220357424U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- fixing
- winding drum
- projection
- rotating shaft
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Links
- 238000004804 winding Methods 0.000 claims abstract description 51
- 239000004744 fabric Substances 0.000 claims abstract description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 24
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 24
- 241001330002 Bambuseae Species 0.000 claims description 24
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 24
- 239000011425 bamboo Substances 0.000 claims description 24
- 239000011435 rock Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model discloses a stable projection curtain, which relates to the technical field of multimedia playing devices and comprises a winding drum, wherein two ends of the winding drum are fixedly connected with first fixing columns, the lower ends of two groups of the first fixing columns are fixedly connected with fixing blocks, and the middle parts of the fixing blocks are respectively and rotatably connected with a fixing shaft. In the utility model, when the projection cloth roll is used, two groups of connecting ropes are connected with two ends of the fixed cylinder, the second rotating shaft is driven by the second micro motor to rotate, the second rotating shaft drives the fixed cylinder to rotate, the connecting ropes are wound on the fixed cylinder, the connecting ropes tension the projection cloth roll, one end of the clamping plates is pushed to rotate around the fixed shaft, one end of the clamping plates close to the projection cloth roll is adsorbed together through the magnet, and the two groups of clamping plates clamp two sides of the projection cloth roll, so that the projection cloth roll is fixed, the stability of the projection cloth roll is better, and the projection cloth roll is prevented from shaking due to external force when in use.
Description
Technical Field
The utility model relates to the technical field of multimedia playing devices, in particular to a stable projection curtain.
Background
The projection curtain is a tool used for displaying images and video files in the fields of movies, offices, home theaters, large conferences and the like, and is divided into a plurality of specifications and sizes, and different space projection curtains are selected, for example, a wide-view-angle and low-gain screen is preferably selected in the occasion of watching more people or transversely watching, a narrow-view-angle and high-gain screen is preferably selected in the long and narrow space watching, and meanwhile, a screen with proper gain is selected, so that the contrast ratio of the screen is improved, the gray level of the image is increased, the color is vivid, the observability of the image is improved, and the screen surface is absolutely vertical when the curtain is used.
The current curtain is unreeled and the rolling through the motor, and the lower extreme of curtain is through solid roller as gravity sag, and the curtain area at large-scale meeting room usefulness is very big, and the height is also very high, and curtain lower extreme and both sides do not have fixed place, and a bit external force can make the curtain rock violently, influences and watches.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a stable projection curtain.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a stable projection curtain, includes a winding drum, winding drum both ends fixedly connected with first fixed column, two sets of first fixed column lower extreme fixedly connected with fixed block, the fixed block middle part all rotates and is connected with the fixed axle, and the fixed axle both ends all rotate and be connected with the fixed block, the fixed axle is kept away from the fixed block one side of the one end of first fixed column and is all fixedly connected with second fixed column, two sets of fixed axle middle part all rotates and is connected with three sets of fixing bases, two sets of fixing base one end fixedly connected with splint of fixed axle both ends, a set of fixing base one end fixedly connected with splint of fixed axle middle part, the equal fixedly connected with magnet of splint both ends opposite side.
As a further description of the above technical solution:
the winding drum is fixedly connected with a first wire harness plate at the lower end, and the winding drum is communicated with the middle of the first wire harness plate.
As a further description of the above technical solution:
the middle part of the winding drum is rotationally connected with a first rotating shaft, both ends of the first rotating shaft penetrate through the winding drum and are rotationally connected in the first fixed column, both ends of the first rotating shaft are fixedly connected with limiting discs, the limiting discs are rotationally connected in the winding drum, the two groups of limiting discs are respectively positioned at both ends in the winding drum, the middle part of the first rotating shaft is fixedly connected with a projection cloth roll, and projection yardage roll is located between two sets of limiting discs, projection yardage roll rotates to be connected inside the winding barrel, projection yardage roll one end fixedly connected with fixed section of thick bamboo, fixed section of thick bamboo sliding connection is at first beam line board middle part, and first pivot rotates, can wind or put down projection yardage roll, and limiting disc can restrict projection yardage roll, when avoiding first pivot winding projection yardage roll, projection yardage roll position skew.
As a further description of the above technical solution:
the middle part of the first fixed column is fixedly connected with a first micro motor, the output end of the first micro motor is fixedly connected with one end of a first rotating shaft, and the first rotating shaft is driven to rotate positively and negatively through the first micro motor.
As a further description of the above technical solution:
the two groups of second fixed column opposite ends fixedly connected with receive a line section of thick bamboo, receive a line section of thick bamboo upper end fixedly connected with bunch section of thick bamboo, and receive line section of thick bamboo and bunch section of thick bamboo middle part and be linked together, fixed section of thick bamboo sliding connection is in bunch section of thick bamboo middle part, and bunch section of thick bamboo plays the positioning action, makes fixed section of thick bamboo remove along bunch section of thick bamboo vertical direction.
As a further description of the above technical solution:
the middle part of the wire winding cylinder is rotationally connected with a second rotating shaft, two ends of the second rotating shaft are fixedly connected with fixed wire winding cylinders, two groups of fixed wire winding cylinders are rotationally connected in the wire winding cylinder and positioned at two ends of the wire winding cylinder, the equal fixedly connected with of fixed line section of thick bamboo upper end connects the rope, the equal fixedly connected of connecting the rope other end is at fixed section of thick bamboo both ends, and the fixed line section of thick bamboo can the rolling connect the rope to taut connect the rope lower extreme, avoid connecting the rope and rock.
As a further description of the above technical solution:
the second fixing column is fixedly connected with a second micro motor, the output end of the second micro motor is fixedly connected with one end of a second rotating shaft, and the second rotating shaft is driven to rotate through the second micro motor.
As a further description of the above technical solution:
and one side of each of the first fixing column and the second fixing column is fixedly connected with a fixing plate.
The utility model has the following beneficial effects:
when the projection cloth roll is used, the two groups of connecting ropes are connected with two ends of the fixed cylinder, the second rotating shaft is driven by the second micro motor to rotate, the second rotating shaft drives the fixed cylinder to rotate, the connecting ropes are wound on the fixed cylinder, the connecting ropes tension the projection cloth roll, one end of the clamping plates is pushed to rotate around the fixed shaft, one ends of the clamping plates, close to the projection cloth roll, are adsorbed together through the magnet, and the two groups of clamping plates clamp two sides of the projection cloth roll, so that the projection cloth roll is fixed, the stability of the projection cloth roll is better, and the projection cloth roll is prevented from shaking due to external force when in use.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional perspective view of the present utility model;
FIG. 3 is a perspective view of a winding drum of the present utility model;
FIG. 4 is a perspective view of a wire harness cylinder according to the present utility model;
fig. 5 is a side view of the splint according to the present utility model.
Legend description:
1. winding up a winding drum; 2. a first fixing column; 3. a fixing plate; 4. a first wire harness plate; 5. a fixed block; 6. a second fixing column; 7. a wire winding cylinder; 8. a wire harness tube; 9. a clamping plate; 10. a first micro motor; 11. a first rotating shaft; 12. a limiting disc; 13. projecting a cloth roll; 14. a fixed cylinder; 15. a fixed shaft; 16. a fixing seat; 17. a connecting rope; 18. a second rotating shaft; 19. fixing the wire barrel; 20. a second micro-motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a stable projection curtain, including receipts reel 1, the first fixed column 2 of a winding section of thick bamboo 1 both ends fixedly connected with, two sets of first fixed column 2 lower extreme fixedly connected with fixed block 5, fixed block 5 middle part all rotates and is connected with fixed axle 15, and fixed axle 15 both ends all rotate and be connected with fixed block 5, fixed axle 15 keeps away from fixed block 5 one side of the one end of first fixed column 2 and all fixedly connected with second fixed column 6, two sets of fixed axle 15 middle parts all rotate and are connected with three fixing base 16, two sets of fixing base 16 one end fixedly connected with of fixed axle 15 both ends are a set of splint 9, a set of fixing base 16 one end fixedly connected with in fixed axle 15 middle part is a set of splint 9, splint 9 both ends equal fixedly connected with magnet, fix fixed plate 3 in appointed place, when using, first micro motor 10 and second micro motor 20 equidirectional rotation simultaneously, first micro motor 10 drives spacing dish 12 through first pivot 11 and unwinds, second micro motor fixed wire winding 19 rotates through second pivot 18, a set of fixing wire winding 19 will connect rope 17 and connect wire winding wire 17, a set of fixing wire winding wire 17 is connected with two sets of fixed cloth 13, and the two sets of projections are being close to one end of 13 and are rotated, and the two sets of projections are rotated and are used to be close to one end of projection 13, and the projection 13 is rotated and is stopped when the two sets of projection rolls 13 are rotated, and is used, and the projection 13 is rotated and is more 13 and is rotated and is used and is more in the two sets of projection 13, and is used and is rotated and is used to be close to a projection 13.
The first fixing column 2 and one side of the second fixing column 6 are fixedly connected with the fixing plate 3, a group of second fixing columns 6 are internally and fixedly connected with the second micro motor 20, the output end of the second micro motor 20 is fixedly connected with one end of the second rotating shaft 18, the second rotating shaft 18 is driven to rotate by the second micro motor 20, the middle part of the winding drum 7 is rotationally connected with the second rotating shaft 18, the two ends of the second rotating shaft 18 are fixedly connected with the fixing wire drums 19, the two groups of fixing wire drums 19 are rotationally connected inside the winding drum 7 and are positioned at two ends inside the winding drum 7, the upper ends of the fixing wire drums 19 are fixedly connected with the connecting ropes 17, the other ends of the connecting ropes 17 are fixedly connected with two ends of the fixing drum 14, the fixing wire drums 19 can wind the connecting ropes 17, thereby tensioning the lower ends of the connecting ropes 17, avoiding shaking of the connecting ropes 17, the opposite ends of the two groups of the second fixing columns 6 are fixedly connected with the winding drum 7, the upper ends of the winding drum 7 are fixedly connected with the wire binding drum 8, the middle parts of the winding drum 7 and the wire harness drum 8 are communicated, the fixed drum 14 is slidably connected to the middle part of the wire harness drum 8, the wire harness drum 8 plays a role in positioning, the fixed drum 14 moves along the vertical direction of the wire harness drum 8, the middle part of one group of first fixed columns 2 is fixedly connected with a first micro motor 10, the output end of the first micro motor 10 is fixedly connected to one end of a first rotating shaft 11, the first rotating shaft 11 is driven to rotate positively and negatively through the first micro motor 10, the middle part of the winding drum 1 is rotationally connected with the first rotating shaft 11, the two ends of the first rotating shaft 11 penetrate through the winding drum 1 to be rotationally connected to the inside of the first fixed columns 2, the two ends of the first rotating shaft 11 are fixedly connected with limiting discs 12, the limiting discs 12 are rotationally connected to the inside of the winding drum 1, the two groups of limiting discs 12 are respectively positioned at the two ends of the inside of the winding drum 1, the middle part of the first rotating shaft 11 is fixedly connected with a projection cloth roll 13, the projection cloth roll 13 is positioned between the two groups of limiting discs 12, projection yardage roll 13 rotates to be connected inside a winding drum 1, and projection yardage roll 13 one end fixedly connected with fixed section of thick bamboo 14, fixed section of thick bamboo 14 sliding connection is in first beam line board 4 middle part, and first pivot 11 rotates, can wind or put down projection yardage roll 13, and spacing dish 12 can restrict projection yardage roll 13, and when avoiding first pivot 11 winding projection yardage roll 13, projection yardage roll 13 position offset, winding drum 1 lower extreme fixedly connected with first beam line board 4, winding drum 1 and first beam line board 4 middle part are linked together.
Working principle: when in use, the fixing plate 3 is fixed at a designated place, the first micro motor 10 and the second micro motor 20 rotate in the same direction at the same time, the first micro motor 10 drives the limiting disc 12 to rotate through the first rotating shaft 11 to unwind the projection cloth roll 13, the second micro motor 20 drives the fixing wire drum 19 to rotate through the second rotating shaft 18, the fixing wire drum 19 winds the connecting rope 17, the connecting rope 17 pulls the fixing drum 14 to enable the projection cloth roll 13 to vertically downwards, when the projection cloth roll 13 is unwound to the maximum, the first micro motor 10 and the second micro motor 20 stop rotating, at the moment, the two groups of clamping plates 9 are pushed to rotate around the fixing shaft 15, make splint 9 be close to projection yardage roll 13's one end through magnet absorption together, two sets of splint 9 clamp projection yardage roll 13 both sides, thereby with projection yardage roll 13 is fixed, make projection yardage roll 13's stability better, avoid projection yardage roll 13 when using, receive external force and rock, after the use, pinch the other end of two sets of splint 9, make two sets of splint 9 adsorb together through the magnet of the other end, afterwards, first micro motor 10 and second micro motor 20 reverse rotation simultaneously, second micro motor 20 drives second pivot 18 rotation, pay out the connecting rope 17 on the fixed line section of thick bamboo 19, first micro motor 10 drives first pivot 11 and rotates, rolling projection yardage roll 13, pulling connecting rope 17 simultaneously.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (4)
1. A stable projection curtain comprising a winding drum (1), characterized in that: the winding drum is characterized in that the two ends of the winding drum (1) are fixedly connected with first fixing columns (2), two groups of fixing columns (2) are fixedly connected with fixing blocks (5), the middle parts of the fixing blocks (5) are rotationally connected with fixing shafts (15), the two ends of the fixing shafts (15) are rotationally connected with fixing blocks (5), one sides of the fixing blocks (5) far away from one ends of the first fixing columns (2) of the fixing shafts (15) are fixedly connected with second fixing columns (6), two groups of fixing seats (16) are rotationally connected with the middle parts of the fixing shafts (15), one ends of the two groups of fixing seats (16) at the two ends of the fixing shafts (15) are fixedly connected with a group of clamping plates (9), one ends of one group of fixing seats (16) at the middle parts of the fixing shafts (15) are fixedly connected with a group of clamping plates (9), and the opposite sides at the two ends of the clamping plates (9) are fixedly connected with magnets;
the novel winding machine is characterized in that a first rotating shaft (11) is rotationally connected to the middle of the winding drum (1), two ends of the first rotating shaft (11) penetrate through the winding drum (1) to be rotationally connected to the inside of a first fixed column (2), two ends of the first rotating shaft (11) are fixedly connected with limiting discs (12), the limiting discs (12) are rotationally connected to the inside of the winding drum (1), two groups of limiting discs (12) are respectively located at two ends of the inside of the winding drum (1), a projection cloth roll (13) is fixedly connected to the middle of the first rotating shaft (11), the projection cloth roll (13) is located between the two groups of limiting discs (12), the projection cloth roll (13) is rotationally connected to the inside of the winding drum (1), one end of the projection cloth roll (13) is fixedly connected with a fixed drum (14), and the fixed drum (14) is slidingly connected to the middle of a first wire binding plate (4);
the middle part of the group of first fixing columns (2) is fixedly connected with a first micro motor (10), and the output end of the first micro motor (10) is fixedly connected with one end of a first rotating shaft (11);
the opposite ends of the two groups of second fixing columns (6) are fixedly connected with wire collecting cylinders (7), the upper ends of the wire collecting cylinders (7) are fixedly connected with wire binding cylinders (8), the wire collecting cylinders (7) are communicated with the middle parts of the wire binding cylinders (8), and the fixing cylinders (14) are slidably connected to the middle parts of the wire binding cylinders (8);
the utility model discloses a take-up reel (7), including a fixed section of thick bamboo (14), a take-up reel (7), a second pivot (18) is rotationally connected with at the middle part of take-up reel (7), second pivot (18) both ends fixedly connected with fixed section of thick bamboo (19), two sets of fixed section of thick bamboo (19) are all rotationally connected inside take-up reel (7), and are located the inside both ends of take-up reel (7), all fixedly connected with connecting rope (17) on fixed section of thick bamboo (19), connecting rope (17) other end all fixedly connected with is at fixed section of thick bamboo (14) both ends.
2. The stabilized projection screen of claim 1, wherein: the winding drum (1) is fixedly connected with a first wire harness plate (4) at the lower end, and the winding drum (1) is communicated with the middle part of the first wire harness plate (4).
3. The stabilized projection screen of claim 1, wherein: the second miniature motors (20) are fixedly connected inside the second fixing columns (6), and the output ends of the second miniature motors (20) are fixedly connected to one end of the second rotating shaft (18).
4. The stabilized projection screen of claim 1, wherein: and one sides of the first fixing column (2) and the second fixing column (6) are fixedly connected with a fixing plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321671262.1U CN220357424U (en) | 2023-06-29 | 2023-06-29 | Stable projection curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321671262.1U CN220357424U (en) | 2023-06-29 | 2023-06-29 | Stable projection curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220357424U true CN220357424U (en) | 2024-01-16 |
Family
ID=89502049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321671262.1U Active CN220357424U (en) | 2023-06-29 | 2023-06-29 | Stable projection curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220357424U (en) |
-
2023
- 2023-06-29 CN CN202321671262.1U patent/CN220357424U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |