CN220509275U - Rolling type projection curtain - Google Patents
Rolling type projection curtain Download PDFInfo
- Publication number
- CN220509275U CN220509275U CN202321952316.1U CN202321952316U CN220509275U CN 220509275 U CN220509275 U CN 220509275U CN 202321952316 U CN202321952316 U CN 202321952316U CN 220509275 U CN220509275 U CN 220509275U
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- CN
- China
- Prior art keywords
- curtain
- auxiliary
- main body
- winding shaft
- driving
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- 238000005096 rolling process Methods 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000004140 cleaning Methods 0.000 claims abstract description 35
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 24
- 239000000428 dust Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Abstract
The utility model provides a rolling type projection curtain, which belongs to the technical field of projection and aims to solve the problem that dust is easy to adhere and accumulate on the curtain in the long-term application process of the projection curtain, so that the display effect of projection display of picture images and the like is affected; the curtain main body is wound at the outer end of the winding shaft, and the inner end of the curtain main body is fixedly connected with the outer side of the winding shaft; the two cleaning auxiliary frames are symmetrically and slidingly connected at the inner ends of the accommodating auxiliary frames; the transmission auxiliary mechanism is arranged on the inner sides of the rewinding shaft and the two cleaning auxiliary frames; the curtain collecting and releasing process has the advantages that the curtain collecting and releasing process is realized, the curtain main body and dust are quickly separated, the curtain main body is cleaned, the dust adhering and stacking phenomenon of the curtain main body is further greatly avoided, the abrasion problem caused to the curtain main body due to adhering of the dust is solved, and the display effect of the projection curtain in projection display of picture images and the like is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of projection, and particularly relates to a rolling type projection curtain.
Background
The projection curtain is a tool used for displaying images and video files in offices, home theaters, large conferences and other occasions, and in practical application of the projection curtain, the curtain placing procedure of the curtain outside the storage rack is realized by matching a rolling shaft, so that normal use of the curtain is ensured.
As in the prior application number CN202223015412.1, a projection curtain is disclosed, which comprises a winding assembly and a rolling curtain surface, wherein the rolling curtain surface comprises a splicing surface and a curtain surface for projection, and the splicing surface is connected with the winding assembly so that the rolling curtain surface is wound and unwound by the winding assembly; the projection curtain adopts the rolling curtain surface formed by splicing the curtain surface and the splicing surface, and the curtain surface is indirectly connected with the winding assembly through the splicing surface, so that the curtain surface can be prevented from being unevenly pulled, the flatness of the curtain surface is effectively improved, and the quality of a projection picture is further improved.
Based on the above, show in-process to projection picture, image through the curtain, because the curtain exposes in the outside more, at the long-term application in-process of projection curtain, very easily cause the dust to be stained with at the curtain and attach and pile up, not only influenced the bandwagon effect when carrying out projection display to picture image etc. but also very easily cause the card to the curtain or to the wearing and tearing phenomenon of curtain in carrying out the rolling in-process to the curtain simultaneously, influenced the smooth degree of operation and the life of curtain when carrying out the rolling to the curtain.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a rolling type projection curtain, which solves the problems that dust is easily adhered and accumulated on the curtain in the long-term application process of the projection curtain because the curtain is exposed to the outside in the process of displaying projection pictures and images through the curtain, so that the display effect of projection display of picture images and the like is influenced, meanwhile, the blocking phenomenon or the abrasion phenomenon of the curtain is easily caused in the rolling process of the curtain, and the operation smoothness and the service life of the curtain are influenced in the rolling process of the curtain.
The utility model discloses a purpose and an effect of a rolling type projection curtain, which are achieved by the following specific technical means:
a rolling projection curtain comprises an accommodating auxiliary frame, a rolling shaft, a curtain main body, a cleaning auxiliary frame and a transmission auxiliary mechanism; the winding shaft is rotatably connected to the inner side of the accommodating auxiliary frame, and the outer end of the winding shaft is coaxially and fixedly connected to the outer side of the rotating shaft of the driving motor; the curtain body is wound at the outer end of the winding shaft, and the inner end of the curtain body is fixedly connected with the outer side of the winding shaft; the two cleaning auxiliary frames are symmetrically connected at the inner end of the accommodating auxiliary frame in a sliding mode, and the cleaning auxiliary frames are positioned at the rear end of the curtain main body; the transmission auxiliary mechanism is arranged on the inner sides of the winding shaft and the two cleaning auxiliary frames, and comprises: the two transmission shafts are symmetrically connected to the front end of the outer side of the winding shaft in a left-right rotating mode; the two driving auxiliary shafts are symmetrically connected to the outer sides of the lower end faces of the two transmission shafts in a left-right rotating mode.
Further, the transmission auxiliary mechanism further comprises: the two driving gears are symmetrically and coaxially fixedly connected to the outer side of the winding shaft; the two driven gears are respectively and coaxially fixedly connected to the outer sides of the inner end faces of the two transmission shafts, the driving gears and the driven gears are meshed with each other, and the driving gears and the driven gears form a gear transmission mechanism together.
Further, the transmission auxiliary mechanism further comprises: the two first bevel gears are symmetrically and coaxially connected to the outer ends of the two transmission shafts in a left-right symmetry mode; the two second bevel gears are respectively and coaxially fixedly connected to the outer sides of the top end surfaces of the two driving auxiliary shafts; the first bevel gear and the second bevel gear are meshed with each other, and the first bevel gear and the second bevel gear jointly form a bevel gear transmission mechanism.
Further, the driving auxiliary shaft comprises: the two driving cams are respectively and coaxially fixedly connected to the outer sides of the end faces of the bottoms of the two driving auxiliary shafts; the outer side of the driving cam and the cleaning auxiliary frame are mutually pressed, and the cleaning auxiliary frame and the driving cam jointly form a cam transmission mechanism;
the cleaning auxiliary frame comprises: the elastic traction pieces are in two groups, and the two groups of elastic traction pieces are symmetrically and fixedly connected to the inner sides of the two cleaning auxiliary frames and the accommodating auxiliary frame.
Further, the accommodating auxiliary frame comprises: the two mounting frames are respectively fixedly connected to the left side and the right side of the end face of the rear part of the accommodating auxiliary frame;
the winding shaft comprises: the two protection frames are symmetrically and concentrically connected to the outer side of the winding shaft in a left-right mode.
Further, the curtain main part is including: the curtain comprises a vertical auxiliary frame and a straightening auxiliary piece, wherein the vertical auxiliary frame is fixedly connected to the outer side of the end face of the bottom of the curtain body; the straightening auxiliary piece is symmetrically and fixedly connected to the outer side of the curtain main body, and is of a flexible structure with certain supporting strength.
Compared with the prior art, the utility model has the following beneficial effects:
the curtain main body is easy to operate and convenient to use, synchronous driving of the cleaning auxiliary frame is realized through the matching of the transmission auxiliary mechanism in the curtain folding and unfolding process, the rapid shaking process of the curtain main body in the curtain folding and unfolding process is realized through the front-back sliding of the cleaning auxiliary frame, the rapid separation of the curtain main body and dust and the cleaning process of the curtain main body are realized through the shaking of the curtain main body, the phenomenon that dust is adhered and accumulated on the curtain main body and the abrasion problem caused by the adhesion of dust to the curtain main body are further greatly avoided, the display effect of the projection curtain in the process of projecting and displaying picture images and the like is ensured, meanwhile, the operation smoothness of the projection curtain main body in the folding process is improved, and the service life of the projection curtain in the practical application process is further improved;
the utility model also effectively slows down the deflection phenomenon of the curtain main body when in use, and further improves the flatness of the curtain main body in the practical application process and the display effect of the projection curtain in the practical application process.
Drawings
Figure 1 is a schematic view of an isometric structure of the present utility model.
FIG. 2 is a schematic view of the installation structure of the winding shaft and the transmission auxiliary mechanism of the utility model.
Fig. 3 is a schematic view of a mounting structure of a cleaning auxiliary frame and a curtain body according to the present utility model.
Fig. 4 is a schematic view of the mounting structure of the driving cam and the cleaning auxiliary frame of the present utility model.
Fig. 5 is a schematic view of a partially enlarged structure at a in fig. 3 according to the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. an auxiliary frame is accommodated; 101. a mounting frame; 2. a winding shaft; 201. a protective frame; 3. a curtain body; 301. a vertical auxiliary frame; 302. straightening auxiliary parts; 4. a cleaning auxiliary frame; 401. an elastic traction member; 5. a transmission shaft; 501. driving an auxiliary shaft; 502. a drive gear; 503. a driven gear; 504. a first bevel gear; 505. a second bevel gear; 506. the cam is driven.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Embodiment one:
as shown in fig. 1 to 5:
the utility model provides a rolling projection curtain which comprises an accommodating auxiliary frame 1, a rolling shaft 2, a curtain main body 3, a cleaning auxiliary frame 4 and a transmission auxiliary mechanism; the rolling shaft 2 is rotatably connected to the inner side of the accommodating auxiliary frame 1, and the outer end of the rolling shaft 2 is coaxially and fixedly connected to the outer side of the rotating shaft of the driving motor; the curtain main body 3 is wound at the outer end of the winding shaft 2, and the inner end of the curtain main body 3 is fixedly connected with the outer side of the winding shaft 2; the two cleaning auxiliary frames 4 are symmetrically connected at the inner end of the accommodating auxiliary frame 1 in a sliding way, and the cleaning auxiliary frames 4 are positioned at the rear end of the curtain main body 3; the transmission auxiliary mechanism is arranged on the inner sides of the winding shaft 2 and the two cleaning auxiliary frames 4, and comprises: the two transmission shafts 5 are symmetrically connected to the front end of the outer side of the winding shaft 2 in a left-right rotation mode; the two driving auxiliary shafts 501 are symmetrically connected to the outer sides of the lower end surfaces of the two transmission shafts 5 in a left-right rotation mode.
Wherein, transmission auxiliary mechanism still includes: the two driving gears 502 and the two driven gears 503 are symmetrically and coaxially fixedly connected to the outer side of the winding shaft 2 left and right; the driven gears 503 are two, the two driven gears 503 are respectively and coaxially fixedly connected to the outer sides of the inner end surfaces of the two transmission shafts 5, the driving gear 502 and the driven gears 503 are meshed with each other, and the driving gear 502 and the driven gears 503 form a gear transmission mechanism together.
Wherein, transmission auxiliary mechanism still includes: the two first bevel gears 504 and the two second bevel gears 505 are arranged, and the two first bevel gears 504 are symmetrically and coaxially fixedly connected to the outer ends of the two transmission shafts 5; two second bevel gears 505 are arranged, and the two second bevel gears 505 are respectively and coaxially fixedly connected to the outer sides of the top end surfaces of the two driving auxiliary shafts 501; the first bevel gear 504 and the second bevel gear 505 are meshed with each other, and the first bevel gear 504 and the second bevel gear 505 together form a bevel gear transmission mechanism.
Wherein, drive auxiliary shaft 501 includes: the driving cams 506 are two, and the two driving cams 506 are respectively and coaxially fixedly connected to the outer sides of the bottom end surfaces of the two driving auxiliary shafts 501; the outer side of the driving cam 506 is mutually pressed with the cleaning auxiliary frame 4, and the cleaning auxiliary frame 4 and the driving cam 506 jointly form a cam transmission mechanism;
the cleaning auxiliary frame 4 comprises: the elastic traction pieces 401 are provided with two groups of elastic traction pieces 401, and the two groups of elastic traction pieces 401 are symmetrically and fixedly connected on the inner sides of the two cleaning auxiliary frames 4 and the accommodating auxiliary frame 1.
Specific use and action of the embodiment:
when the curtain winding and unwinding device is used, the winding shaft 2 is rotated when the driving motor is started, and the winding and unwinding procedure of the curtain main body 3 is realized through the rotation of the winding shaft 2; when the winding shaft 2 rotates, the two transmission shafts 5 rotate simultaneously through the cooperation of the driving gear 502 and the driven gear 503, the two driving auxiliary shafts 501 rotate synchronously through the cooperation of the first bevel gear 504 and the second bevel gear 505 when the transmission shafts 5 rotate, when the two driving auxiliary shafts 501 rotate, the front and back sliding of the two cleaning auxiliary frames 4 is realized through the cooperation of the driving cam 506 and the elastic traction piece 401, the synchronous shaking procedure of the curtain main body 3 in the winding and unwinding process of the curtain main body 3 is realized through the front and back sliding of the cleaning auxiliary frames 4, and the quick separation of the curtain main body 3 and dust and the cleaning procedure of the curtain main body 3 are realized through the synchronous shaking of the curtain main body 3.
Embodiment two:
on the basis of the first embodiment, as shown in fig. 1 to 3:
wherein, accept auxiliary frame 1 including: the two mounting frames 101 are arranged, and the two mounting frames 101 are respectively and fixedly connected to the left side and the right side of the rear end face of the accommodating auxiliary frame 1;
the winding shaft 2 comprises: the two protection frames 201 are arranged, and the two protection frames 201 are symmetrically and concentrically connected to the outer side of the winding shaft 2 in a rotating way.
Wherein, curtain main part 3 is including: the curtain comprises a vertical auxiliary frame 301 and a straightening auxiliary piece 302, wherein the vertical auxiliary frame 301 is fixedly connected to the outer side of the bottom end face of the curtain body 3; the straightening auxiliary piece 302 is fixedly connected to the outer side of the curtain main body 3 in a bilateral symmetry mode, and the straightening auxiliary piece 302 is of a flexible structure with certain supporting strength.
Specific use and action of the embodiment:
in the process of winding and unwinding the curtain main body 3, the utility model realizes effective protection on two sides of the curtain main body 3 through the cooperation of the protection frame 201, avoids extrusion on the curtain main body 3 caused by rotation of the driving gear 502 and the driven gear 503, and realizes the installation and positioning procedures of the projection curtain and the support frame or the wall body through the cooperation of the mounting frame 101; through the cooperation of perpendicular auxiliary frame 301 and straightening auxiliary 302, slowed down the crooked phenomenon of curtain main part 3, improved the roughness of curtain main part 3 in the practical application in-process.
Claims (6)
1. A rolling type projection curtain is characterized in that: comprises an accommodating auxiliary frame (1), a winding shaft (2), a curtain main body (3), a cleaning auxiliary frame (4) and a transmission auxiliary mechanism; the winding shaft (2) is rotatably connected to the inner side of the accommodating auxiliary frame (1), and the outer end of the winding shaft (2) is coaxially and fixedly connected to the outer side of the rotating shaft of the driving motor; the curtain main body (3) is wound at the outer end of the winding shaft (2), and the inner end of the curtain main body (3) is fixedly connected with the outer side of the winding shaft (2); the two cleaning auxiliary frames (4) are symmetrically connected at the inner end of the accommodating auxiliary frame (1) in a sliding mode, and the cleaning auxiliary frames (4) are positioned at the rear end of the curtain main body (3); the transmission auxiliary mechanism is arranged on the inner sides of the winding shaft (2) and the two cleaning auxiliary frames (4), and comprises: the two transmission shafts (5) are symmetrically connected to the front end of the outer side of the winding shaft (2) in a left-right rotation mode; the two driving auxiliary shafts (501) are symmetrically connected to the outer sides of the lower end faces of the two transmission shafts (5) in a left-right rotation mode.
2. The wrap-up projection screen of claim 1, wherein: the transmission auxiliary mechanism also comprises: the two driving gears (502) are symmetrically and coaxially connected to the outer side of the winding shaft (2) in a left-right symmetry manner; the two driven gears (503) are respectively and coaxially fixedly connected to the outer sides of the inner end faces of the two transmission shafts (5), the driving gears (502) and the driven gears (503) are meshed with each other, and the driving gears (502) and the driven gears (503) form a gear transmission mechanism together.
3. The wrap-up projection screen of claim 1, wherein: the transmission auxiliary mechanism also comprises: the two first bevel gears (504) and the two second bevel gears (505), wherein the two first bevel gears (504) are symmetrically and coaxially connected to the outer ends of the two transmission shafts (5) in a left-right symmetry manner; two second bevel gears (505) are arranged, and the two second bevel gears (505) are respectively and coaxially fixedly connected to the outer sides of the top end surfaces of the two driving auxiliary shafts (501); the first bevel gear (504) and the second bevel gear (505) are meshed with each other, and the first bevel gear (504) and the second bevel gear (505) jointly form a bevel gear transmission mechanism.
4. The wrap-up projection screen of claim 1, wherein: the driving auxiliary shaft (501) comprises: the two driving cams (506) are respectively and coaxially fixedly connected to the outer sides of the bottom end surfaces of the two driving auxiliary shafts (501); the outer side of the driving cam (506) is mutually pressed with the cleaning auxiliary frame (4), and the cleaning auxiliary frame (4) and the driving cam (506) jointly form a cam transmission mechanism;
the cleaning auxiliary frame (4) comprises: the elastic traction pieces (401), the elastic traction pieces (401) are in two groups, and the two groups of elastic traction pieces (401) are symmetrically and fixedly connected to the inner sides of the two cleaning auxiliary frames (4) and the accommodating auxiliary frame (1) in a bilateral symmetry mode.
5. The wrap-up projection screen of claim 1, wherein: the accommodating auxiliary frame (1) comprises: the two mounting frames (101) are respectively fixedly connected to the left side and the right side of the rear end face of the accommodating auxiliary frame (1);
the winding shaft (2) comprises: the two protection frames (201) are symmetrically and concentrically connected to the outer side of the winding shaft (2) in a rotating mode.
6. The wrap-up projection screen of claim 1, wherein: the curtain main body (3) comprises: the curtain comprises a vertical auxiliary frame (301) and a straightening auxiliary piece (302), wherein the vertical auxiliary frame (301) is fixedly connected to the outer side of the end face of the bottom of the curtain body (3); the straightening auxiliary piece (302) is symmetrically and fixedly connected to the outer side of the curtain main body (3), and the straightening auxiliary piece (302) is of a flexible structure with certain supporting strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321952316.1U CN220509275U (en) | 2023-07-24 | 2023-07-24 | Rolling type projection curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321952316.1U CN220509275U (en) | 2023-07-24 | 2023-07-24 | Rolling type projection curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220509275U true CN220509275U (en) | 2024-02-20 |
Family
ID=89874129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321952316.1U Active CN220509275U (en) | 2023-07-24 | 2023-07-24 | Rolling type projection curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220509275U (en) |
-
2023
- 2023-07-24 CN CN202321952316.1U patent/CN220509275U/en active Active
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