CN216310524U - Projection screen cloth coiling mechanism - Google Patents
Projection screen cloth coiling mechanism Download PDFInfo
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- CN216310524U CN216310524U CN202122975936.4U CN202122975936U CN216310524U CN 216310524 U CN216310524 U CN 216310524U CN 202122975936 U CN202122975936 U CN 202122975936U CN 216310524 U CN216310524 U CN 216310524U
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- winding
- box
- screen cloth
- projection screen
- fixedly provided
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Abstract
The utility model relates to the technical field of projection curtains, in particular to a projection curtain winding device which comprises a winding box, wherein a winding roller is rotatably connected and arranged on the inner side of the winding box, two partition plates are rotatably sleeved and arranged on the outer side of the winding roller, a knob is fixedly arranged on one side of the winding roller, a limiting mechanism is fixedly arranged on the inner side of the winding box, a dust collecting box is detachably connected and arranged on the top side of the winding box, a plurality of scraping plates are fixedly arranged on the inner side of the dust collecting box and above the scraping plates, a plurality of brush rollers are rotatably connected and arranged on the inner side of the dust collecting box, a curtain is fixedly arranged on the outer side of the winding roller, the curtain penetrates through the winding box and one side of a cleaning box and extends to the outside, and a connecting plate is fixedly arranged on the top side of the curtain.
Description
Technical Field
The utility model relates to the technical field of projection screens, in particular to a projection screen winding device.
Background
Projection screens are tools used in movies, offices, home theaters, large conferences, etc. to display images and video files. The screen with wide viewing angle and low gain is suitable for the occasions with more people to watch or in the transverse watching, the screen with narrow viewing angle and high gain is suitable for the long and narrow space watching, and the screen with proper gain is simultaneously selected, 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 improved.
Most of current curtains all need use the coiling mechanism to carry out the rolling to the curtain and place, but the coiling mechanism of curtain, and the structure is complicated, and the operation is inconvenient, and the function singleness does not possess clean function during the rolling, does not possess one-way limit function and one-way spacing unblock function during the rolling, for this reason, we have provided a projection curtain coiling mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that the prior art is complex in structure, inconvenient to operate and single in function, does not have a cleaning function during rolling, and does not have a one-way limiting function and a one-way limiting unlocking function during rolling.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the design is a projection screen winding device, which comprises a winding box, wherein the inner side of the winding box is connected and provided with a winding roller, the outer side of the winding roller is connected and provided with two clapboards in a rotating mode, one side of the winding roller is fixedly provided with a knob, the inner side of the winding box is fixedly provided with a limiting mechanism, the top side of the winding box is detachably connected and provided with a dust collecting box, the inner side of the dust collecting box is fixedly provided with a plurality of scraping plates, the inner side of the dust collecting box is rotatably connected and provided with a plurality of brush rollers above the scraping plates, the outer side of the winding roller is fixedly provided with a screen, the screen penetrates through one side of the winding box and the cleaning box and extends to the outside, and the top side of the screen is fixedly provided with a connecting plate.
Preferably, the top side of the cleaning box is provided with a plurality of positioning grooves, the bottom side of the connecting plate is fixedly provided with a plurality of positioning columns, and the positioning columns are matched with the positioning grooves.
Preferably, the limiting mechanism comprises: the winding device comprises a ratchet wheel, wherein the ratchet wheel is fixedly sleeved on the outer side of a winding roller, a connecting frame is arranged on the inner side of a winding box in a sliding connection mode, a clamping block is arranged on one side of the connecting frame in a turnover connection mode, a spring is arranged on one side of the clamping block, one side of the spring is fixedly connected to one side of the connecting frame, and one side of the clamping block is abutted to one side of the ratchet wheel.
Preferably, one side of link is rotated to connect and is equipped with the threaded rod, the threaded rod runs through in one side of rolling up the box and extend to outside through screw transmission, the fixed adjusting button that is equipped with in one side of threaded rod.
Preferably, a pull block is fixedly arranged on one side of the dust collecting box.
Preferably, the scraper blade is the setting of wedge structure, and contradicts with the curtain.
The projection screen cloth winding device provided by the utility model has the beneficial effects that: through setting up clean box, the box is collected to the dust, the scraper blade, the brush roller, during the use, it is one-way spacing to the winding roller to remove, it makes the winding roller rotate the rolling to the curtain to rotate the knob, the curtain passes through during clean box income rolling box, the curtain is by the scraper blade, cooperation between the brush roller, the rolling removes dust to the curtain after using, provide a clean function of removing dust in the rolling, this projection curtain rolling device, rolling convenient and fast, simple structure is ingenious, it is clean to carry out the curtain during the rolling.
Drawings
FIG. 1 is a schematic front axial view of a projection screen cloth winding device according to the present invention;
FIG. 2 is a schematic front cut-away axial view of a projection screen cloth winding device according to the present invention;
FIG. 3 is a schematic side view of a projection screen cloth winding device according to the present invention;
FIG. 4 is a schematic structural diagram of a side cutaway axial measurement A of the projection screen cloth winding device provided by the present invention;
fig. 5 is a schematic side sectional axial view of a winding box of the projection screen winding device according to the present invention.
In the figure: the device comprises a winding box 1, a winding roller 2, a knob 3, a partition plate 4, a cleaning box 5, a dust collecting box 6, a scraping plate 7, a brush roller 8, a curtain 9, a connecting plate 10, a positioning groove 11, a positioning column 12, a ratchet wheel 13, a connecting frame 14, a clamping block 15, a spring 16, a threaded rod 17, an adjusting button 18 and a pulling block 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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, and not all of the embodiments.
Referring to fig. 1-5, a projection curtain coiling mechanism, including the winding box 1, the inboard of winding box 1 is rotated and is connected and be equipped with winding roller 2, the outside of winding roller 2 is rotated and is cup jointed and be equipped with two baffles 4, the fixed knob 3 that is equipped with in one side of winding roller 2, the inboard of winding box 1 is fixed and is equipped with stop gear, the detachable connection in top side of winding box 1 is equipped with dust and collects box 6, the inboard of dust collection box 6 is fixed and is equipped with a plurality of scraper blades 7, the inboard of dust collection box 6 just is located the top of scraper blade 7 and is rotated and is connected and be equipped with a plurality of brush rollers 8, the fixed curtain 9 that is equipped with in the outside of winding roller 2, curtain 9 runs through winding box 1, one side of cleaning box 5 just extends to outside, the top side of curtain 9 is fixed and is equipped with connecting plate 10.
In order to facilitate the butt joint of the connecting plate 10 and the cleaning box 5, a plurality of positioning grooves 11 are formed in the top side of the cleaning box 5, a plurality of positioning columns 12 are fixedly arranged on the bottom side of the connecting plate 10, and the positioning columns 12 are matched with the positioning grooves 11.
In order to provide a single-line movement limit for the winding roller 2, a limit mechanism is provided which comprises: ratchet 13, ratchet 13 is fixed cup joints in the outside of winding roller 2, the inboard sliding connection of rolling box 1 is equipped with link 14, one side upset of link 14 is connected and is equipped with fixture block 15, one side of fixture block 15 is equipped with spring 16, one side fixed connection of spring 16 is in one side of link 14, one side of fixture block 15 is inconsistent with one side of ratchet 13, during the use, pulling curtain 9 rotates winding roller 2, drive ratchet 13 and rotate, the fixture block 15 of link 14 one side relies on spring 16 to provide a spacing function to ratchet 13.
In order to enable the winding roller 2 to be free of limit, one side of the connecting frame 14 is rotatably connected with a threaded rod 17, the threaded rod 17 penetrates through one side of the winding box 1 through thread transmission and extends to the outside, an adjusting button 18 is fixedly arranged on one side of the threaded rod 17, the threaded rod 17 is rotated by rotating the adjusting button 18 to drive the connecting frame 14 to move, and therefore the clamping block 15 is separated from the ratchet wheel 13 to remove the limit, and the curtain 9 can be conveniently wound and wound in a rotating mode.
In order to facilitate pulling the dust collecting box 6, a pulling block 19 is fixedly provided at one side of the dust collecting box 6.
In order to remove dust efficiently, the scraper 7 is arranged in a wedge-shaped structure and is abutted against the curtain 9.
When the screen curtain winding device is used, the cleaning box 5, the dust collecting box 6, the scraping plate 7 and the brush roller 8 are arranged, when the screen curtain winding device is used, one-way limit on the winding roller 2 is removed, the winding roller 2 rotates and winds the screen 9 by rotating the knob 3, the screen 9 is collected into the winding box 1 through the cleaning box 5, the screen 9 performs dust removal and winding on the used screen 9 through the matching between the scraping plate 7 and the brush roller 8, and a cleaning and dust removal function is provided while winding.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A projection screen cloth winding device comprises a winding box (1) and is characterized in that the inner side of the winding box (1) is rotatably connected with a winding roller (2), the outer side of the winding roller (2) is rotatably sleeved with two partition plates (4), one side of the winding roller (2) is fixedly provided with a knob (3), the inner side of the winding box (1) is fixedly provided with a limiting mechanism, the top side of the winding box (1) is detachably connected with a dust collecting box (6), the inner side of the dust collecting box (6) is fixedly provided with a plurality of scraping plates (7), the inner side of the dust collecting box (6) is rotatably connected with a plurality of brush rollers (8) above the scraping plates (7), the outer side of the winding roller (2) is fixedly provided with a screen cloth (9), and the screen cloth (9) penetrates through one side of the winding box (1) and a cleaning box (5) and extends to the outside, and a connecting plate (10) is fixedly arranged on the top side of the curtain (9).
2. The projection screen cloth winding device as claimed in claim 1, wherein the top side of the cleaning box (5) is provided with a plurality of positioning slots (11), the bottom side of the connecting plate (10) is fixedly provided with a plurality of positioning posts (12), and the positioning posts (12) are matched with the positioning slots (11).
3. The projection screen cloth winding device of claim 1, wherein the limiting mechanism comprises: ratchet (13), ratchet (13) are fixed cup joints in the outside of winding roller (2), the inboard sliding connection of coiling box (1) is equipped with link (14), one side upset connection of link (14) is equipped with fixture block (15), one side of fixture block (15) is equipped with spring (16), one side fixed connection of spring (16) is in one side of link (14), one side and one side counterbalance of ratchet (13) of fixture block (15).
4. The projection screen cloth winding device as claimed in claim 3, characterized in that a threaded rod (17) is rotatably connected to one side of the connecting frame (14), the threaded rod (17) penetrates through one side of the winding box (1) through thread transmission and extends to the outside, and an adjusting button (18) is fixedly arranged on one side of the threaded rod (17).
5. The projection screen cloth winding device as claimed in claim 1, wherein a pull block (19) is fixedly provided at one side of the dust collection box (6).
6. A projection screen winding-up device according to claim 1, characterised in that the scrapers (7) are arranged in a wedge-shaped configuration and abut against the screen (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122975936.4U CN216310524U (en) | 2021-11-30 | 2021-11-30 | Projection screen cloth coiling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122975936.4U CN216310524U (en) | 2021-11-30 | 2021-11-30 | Projection screen cloth coiling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216310524U true CN216310524U (en) | 2022-04-15 |
Family
ID=81081966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122975936.4U Active CN216310524U (en) | 2021-11-30 | 2021-11-30 | Projection screen cloth coiling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216310524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114859645A (en) * | 2022-05-13 | 2022-08-05 | 南京林业大学 | Multimedia projection curtain with cleaning function |
-
2021
- 2021-11-30 CN CN202122975936.4U patent/CN216310524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114859645A (en) * | 2022-05-13 | 2022-08-05 | 南京林业大学 | Multimedia projection curtain with cleaning function |
| CN114859645B (en) * | 2022-05-13 | 2023-08-11 | 南京林业大学 | Multimedia projection curtain with cleaning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230519 Address after: 200233 Room 1809, No. 418 Guiping Road, Xuhui District, Shanghai Patentee after: Shanghai minting Intelligent Technology Co.,Ltd. Address before: 214000 No. 165, donglang Road, Yangjian Town, Xishan District, Wuxi City, Jiangsu Province Patentee before: Ruiying screen Wuxi Co.,Ltd. |
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| TR01 | Transfer of patent right |