CN210742670U - Projection curtain - Google Patents
Projection curtain Download PDFInfo
- Publication number
- CN210742670U CN210742670U CN201922253553.9U CN201922253553U CN210742670U CN 210742670 U CN210742670 U CN 210742670U CN 201922253553 U CN201922253553 U CN 201922253553U CN 210742670 U CN210742670 U CN 210742670U
- Authority
- CN
- China
- Prior art keywords
- curtain
- fixedly connected
- end fixing
- winding
- traction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model relates to the technical field of projection equipment, in particular to a projection curtain, which comprises a curtain, a traction device, an upper end fixing mechanism, a lower end fixing mechanism, a dust removing mechanism and a winding mechanism, wherein the traction device is arranged in the upper end fixing mechanism, the winding mechanism is arranged in the lower end fixing mechanism, the upper end of the curtain is fixedly connected with a traction rod, the traction device comprises traction ropes, the lower ends of the two traction ropes are respectively and fixedly connected with the left end and the right end of the traction rod, the winding mechanism comprises a winding roller, the lower end of the curtain is fixedly connected with the winding roller, the winding roller is rotatably connected with the lower end fixing mechanism, the two dust removing mechanisms are respectively and fixedly connected with the lower end fixing mechanism, the curtain is respectively and slidably connected with the two dust removing mechanisms, for the dust removing equipment of the traditional projection curtain, the cleaning operation of the dust removing equipment of the projection curtain is more convenient without climbing for cleaning, the personal safety of the cleaning personnel is ensured.
Description
Technical Field
The utility model relates to a projection equipment technical field, more specifically the projection curtain that says so.
Background
The projection curtain is used in the occasions such as movies, offices, home theaters, large conferences and the like, is used for displaying images and video files, has different space projection curtains, is different in selection, for example, a wide-viewing-angle and low-gain screen is suitable for the occasions with more audience or transversely watching, a narrow-viewing-angle and high-gain screen is suitable for the narrow-viewing-angle and long-narrow space watching, and a screen with proper gain is simultaneously selected, so that the contrast of the screen is improved, the gray scale of the image is increased, the color is bright, the observability of the image is increased, the projection curtain is very easy to stick ash in the using process, although the existing projection curtain is provided with the ash cleaning equipment, the cleaning effect of the ash cleaning equipment can be influenced if the ash cleaning equipment is not cleaned for a long time, even the ash cleaning equipment loses the cleaning function due to the accumulation of the ash, and the ash cleaning, there is a certain operational risk if the cleaning must be carried out at an elevated height.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a projection curtain, this projection curtain have the deashing function, can fall to adnexed dust clearance on the curtain, for the deashing equipment of traditional projection curtain, it is more convenient to the clean operation of the deashing equipment of this projection curtain, need not ascend a height the cleanness, guarantees cleanup crew's personal safety, keeps the clean ability of deashing equipment to the projection curtain simultaneously, improves the projection effect of projection curtain.
The purpose of the utility model is realized through the following technical scheme:
as a further optimization of the technical proposal, the utility model relates to a projection curtain, which comprises a curtain and a traction device, the projection curtain also comprises an upper end fixing mechanism, a lower end fixing mechanism, a dust removing mechanism and a winding mechanism, the traction device is arranged in the upper end fixing mechanism, the winding mechanism is arranged in the lower end fixing mechanism, the upper end of the curtain is fixedly connected with a traction rod, the traction device comprises two traction ropes, the lower ends of the two traction ropes are respectively and fixedly connected with the left end and the right end of the traction rod, the winding mechanism comprises a winding roller, the lower end of the curtain is fixedly connected with the winding roller, and the wind-up roller is rotationally connected with the lower end fixing mechanism, the two dust removing mechanisms are arranged, the two dust removing mechanisms are respectively and fixedly connected with the lower end fixing mechanism, and the curtain is respectively and slidably connected with the two dust removing mechanisms.
As this technical scheme's further optimization, the utility model relates to a projection curtain, upper end fixed establishment includes upper end mount, dust shell I and spacing clamp, I fixed connection of dust shell is on the upper end mount, spacing clamp is provided with two, and two spacing clamps set up the left and right sides at upper end mount lower extreme respectively, and the inside of two spacing clamps all is provided with the through-hole, draw gear rotates to be connected on the upper end mount.
As a further optimization of this technical scheme, the utility model relates to a projection curtain, lower extreme fixed establishment includes lower extreme mount, dust shell II and fixed slot, II fixed connection of dust shell are on the lower extreme mount, the fixed slot is provided with two, and two fixed slots set up the inboard in II upper ends of dust shell relatively, it connects on the lower extreme mount to roll up the roller rotation.
As a further optimization of this technical scheme, the utility model relates to a projection curtain, dust removal mechanism is including scraping dirt brush and dead lever, scrape dirt brush and dead lever fixed connection, two dead levers fixed connection are respectively in two fixed slots, both sides scrape dirt brush sliding connection with two respectively around the curtain.
As a further optimization of this technical scheme, the utility model relates to a projection curtain, draw gear includes motor, axis of rotation, take-up reel and haulage rope, motor fixed connection is at the left end of upper end mount, the axis of rotation rotates and connects on the upper end mount, the take-up reel is provided with two, and two take-up reels are fixed connection respectively in the left and right sides of axis of rotation, fixed connection is on two take-up reels respectively in the upper end of two haulage ropes, left take-up reel fixed connection is on the output shaft of motor.
As a further optimization of this technical scheme, the utility model relates to a projection curtain, it includes spring clamping ware and wind up the roller to roll up tight mechanism, and the left end fixed connection of spring clamping ware is on the lower extreme mount, and the right-hand member and the wind up roller fixed connection of spring clamping ware.
The utility model relates to a projection curtain's beneficial effect does: two scrape dirt brushes and can brush adnexed dust on the curtain, improve the projection effect of projection curtain, two scrape the dirt brush and fix on dustproof shell II through two dead levers respectively, dustproof shell II fixed connection is at the lower extreme mount, makes the cleaning operation to the deashing equipment more convenient, need not ascend a height the cleanness, guarantees cleanup crew's personal safety, and then keeps the clean ability of deashing equipment to the projection curtain.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of a projection curtain of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
FIG. 3 is a schematic view of a partial structure of the dust removing mechanism of the present invention;
fig. 4 is a schematic structural view of the curtain of the present invention;
FIG. 5 is a schematic structural view of the dustproof case I of the present invention;
FIG. 6 is a schematic structural view of the wind-up mechanism of the present invention;
FIG. 7 is a schematic structural view of a dust-proof case II of the present invention;
FIG. 8 is a schematic structural view of the dust scraping brush of the present invention;
fig. 9 is a schematic structural view of the traction device of the present invention;
fig. 10 is a schematic structural view of the spring tensioner of the present invention.
In the figure: a curtain 1; a drawbar 1-1; an upper end fixing mechanism 2; an upper end fixing frame 2-1; 2-2 parts of a dustproof shell; 2-3 of a limiting clamp; a lower end fixing mechanism 3; a lower end fixing frame 3-1; 3-2 of a dustproof shell; 3-3 of a fixed groove; a dust removal mechanism 4; 4-1 of a dust scraping brush; fixing a rod 4-2; a traction device 5; a motor 5-1; 5-2 of a rotating shaft; 5-3 of a winding roll; 5-4 of a traction rope; a winding mechanism 6; a spring tensioner 6-1; and a take-up roll 6-2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1-10, a projection curtain, which comprises a curtain 1 and a traction device 5, and further comprises an upper end fixing mechanism 2, a lower end fixing mechanism 3, a dust removing mechanism 4 and a winding mechanism 6, wherein the traction device 5 is arranged in the upper end fixing mechanism 2, the winding mechanism 6 is arranged in the lower end fixing mechanism 3, the upper end of the curtain 1 is fixedly connected with a traction rod 1-1, the traction device 5 comprises two traction ropes 5-4, the two traction ropes 5-4 are arranged, the lower ends of the two traction ropes 5-4 are respectively and fixedly connected with the left end and the right end of the traction rod 1-1, the winding mechanism 6 comprises a winding roller 6-2, the lower end of the curtain 1 is fixedly connected with the winding roller 6-2, and the winding roller 6-2 is rotatably connected with the lower end fixing mechanism 3, the two dust removing mechanisms 4 are arranged, the two dust removing mechanisms 4 are fixedly connected to the lower end fixing mechanism 3 respectively, and the curtain 1 is connected with the two dust removing mechanisms 4 in a sliding mode respectively.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 10, and the embodiment further describes the first embodiment, where the upper end fixing mechanism 2 includes an upper end fixing frame 2-1, a dustproof shell i 2-2 and two limit clamps 2-3, the dustproof shell i 2-2 is fixedly connected to the upper end fixing frame 2-1, the two limit clamps 2-3 are provided, the two limit clamps 2-3 are respectively provided at the left and right sides of the lower end of the upper end fixing frame 2-1, and both the insides of the two limit clamps 2-3 are provided with through holes, and the traction device 5 is rotatably connected to the upper end fixing frame 2-1.
The third concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 10, and the embodiment further describes the first embodiment, the lower end fixing mechanism 3 includes a lower end fixing frame 3-1, a dustproof shell ii 3-2 and two fixing grooves 3-3, the dustproof shell ii 3-2 is fixedly connected to the lower end fixing frame 3-1, the two fixing grooves 3-3 are arranged at the inner side of the upper end of the dustproof shell ii 3-2, and the winding roller 6-2 is rotatably connected to the lower end fixing frame 3-1.
The fourth concrete implementation mode:
the following describes the present embodiment with reference to fig. 1 to 10, and the present embodiment further describes the first embodiment, the dust removing mechanism 4 includes a dust scraping brush 4-1 and a fixing rod 4-2, the dust scraping brush 4-1 is fixedly connected with the fixing rod 4-2, the two fixing rods 4-2 are respectively fixedly connected in the two fixing grooves 3-3, and the front side and the rear side of the curtain 1 are respectively slidably connected with the two dust scraping brushes 4-1.
In the process of upwards drawing and lowering and withdrawing the curtain 1, the front side and the rear side of the curtain 1 are respectively contacted with the two dust scraping brushes 4-1, the two dust scraping brushes 4-1 can hang off dust attached to the curtain 1, a long time is needed, a large amount of dust is attached to the two dust scraping brushes 4-1, at the moment, the two dust scraping brushes 4-1 need to be cleaned, when the cleaning is carried out, the two fixing rods 4-2 on the two dust scraping brushes 4-1 are respectively drawn out from the right sides of the two fixing grooves 3-3, then the two dust scraping brushes 4-1 are cleaned, compared with the traditional dust cleaning equipment of the projection curtain, the cleaning operation of the dust cleaning equipment of the projection curtain is more convenient, the climbing cleaning is not needed, the personal safety of a cleaner is ensured, and the cleaning capability of the dust cleaning equipment on the projection curtain is kept, the projection effect of the projection curtain is improved.
The fifth concrete implementation mode:
the following describes the present embodiment with reference to fig. 1-10, and the present embodiment further describes the second embodiment, where the traction device 5 includes a motor 5-1, a rotating shaft 5-2, winding reels 5-3, and traction ropes 5-4, the motor 5-1 is fixedly connected to the left end of the upper end fixing frame 2-1, the rotating shaft 5-2 is rotatably connected to the upper end fixing frame 2-1, two winding reels 5-3 are provided, two winding reels 5-3 are respectively fixedly connected to the left and right sides of the rotating shaft 5-2, the upper ends of the two traction ropes 5-4 are respectively fixedly connected to the two winding reels 5-3, and the winding reel 5-3 on the left side is fixedly connected to the output shaft of the motor 5-1.
When the device is used, the motor 5-1 is started, the output shaft of the motor 5-1 drives the winding roll 5-3 on the left side to rotate, the winding roll 5-3 on the left side drives the rotating shaft 5-2 to rotate on the upper end fixing frame 2-1, the rotating shaft 5-2 drives the winding roll 5-3 on the right side to rotate, the two winding rolls 5-3 simultaneously wind the two traction ropes 5-4 on the winding roll, the traction rod 1-1 is continuously pulled upwards by the two traction ropes 5-4 in the process that the two traction ropes 5-4 are continuously wound on the two winding rolls 5-3, the curtain 1 is drawn out from the winding roll 6-2 by the traction rod 1-1, the winding roll 6-2 continuously rotates in the process that the curtain 1 is drawn out, the winding roll 6-2 drives the right end of the spring tightener 6-1 to rotate, the spring in the spring tightener 6-1 is continuously rotated and generates a reverse force, so that the curtain 1 is always kept in a straightened state, when the two ends of the traction rod 1-1 are respectively inserted into the two limit clamps 2-3, the motor 5-1 stops rotating and is braked, and then projection can be carried out.
The device is suitable for enterprise meeting projection, home theater, Chinese teaching of schools, and the like.
After the curtain is used, the motor 5-1 is started to rotate reversely, the two winding rolls 5-3 rotate reversely to wind out the two traction ropes 5-4, the two ends of the traction rod 1-1 are respectively separated from the two limiting clamps 2-3, meanwhile, the winding roller 6-2 winds the downward curtain 1 onto the winding roller 6-2 under the action of a spring in the spring tightener 6-1, and when the traction rod 1-1 reaches the initial position, the motor 5-1 stops rotating and locks a brake.
The sixth specific implementation mode:
referring to fig. 1-10, the embodiment will be further described, wherein the winding mechanism 6 includes a spring tensioner 6-1 and a winding roller 6-2, the left end of the spring tensioner 6-1 is fixedly connected to the lower end fixing frame 3-1, the right end of the spring tensioner 6-1 is fixedly connected to the winding roller 6-2, the left end of the spring tensioner 6-1 is fixedly connected to the lower end fixing frame 3-1, and the two ends of the spring tensioner 6-1 can rotate relatively to each other, so that the spring on the spring tensioner 6-1 can generate a reverse force because of being rotated.
The utility model discloses a projection curtain, its theory of operation is:
when the device is used, the motor 5-1 is started, the output shaft of the motor 5-1 drives the winding roll 5-3 on the left side to rotate, the winding roll 5-3 on the left side drives the rotating shaft 5-2 to rotate on the upper end fixing frame 2-1, the rotating shaft 5-2 drives the winding roll 5-3 on the right side to rotate, the two winding rolls 5-3 simultaneously wind the two traction ropes 5-4 on the winding roll, the traction rod 1-1 is continuously pulled upwards by the two traction ropes 5-4 in the process that the two traction ropes 5-4 are continuously wound on the two winding rolls 5-3, the curtain 1 is drawn out from the winding roll 6-2 by the traction rod 1-1, the winding roll 6-2 continuously rotates in the process that the curtain 1 is drawn out, the winding roll 6-2 drives the right end of the spring tightener 6-1 to rotate, the spring in the spring tightener 6-1 is continuously rotated and generates a reverse force, so that the curtain 1 is always kept in a straightened state, when the two ends of the traction rod 1-1 are respectively inserted into the two limit clamps 2-3, the motor 5-1 stops rotating and is braked, and then projection can be carried out.
After the curtain is used, the motor 5-1 is started to rotate reversely, the two winding rolls 5-3 rotate reversely to wind out the two traction ropes 5-4, the two ends of the traction rod 1-1 are respectively separated from the two limiting clamps 2-3, meanwhile, the winding roller 6-2 winds the downward curtain 1 onto the winding roller 6-2 under the action of a spring in the spring tightener 6-1, and when the traction rod 1-1 reaches the initial position, the motor 5-1 stops rotating and locks a brake.
In the process of upwards drawing and lowering and withdrawing the curtain 1, the front side and the rear side of the curtain 1 are respectively contacted with the two dust scraping brushes 4-1, the two dust scraping brushes 4-1 can hang off dust attached to the curtain 1, a long time is needed, a large amount of dust is attached to the two dust scraping brushes 4-1, at the moment, the two dust scraping brushes 4-1 need to be cleaned, when the cleaning is carried out, the two fixing rods 4-2 on the two dust scraping brushes 4-1 are respectively drawn out from the right sides of the two fixing grooves 3-3, then the two dust scraping brushes 4-1 are cleaned, compared with the traditional dust cleaning equipment of the projection curtain, the cleaning operation of the dust cleaning equipment of the projection curtain is more convenient, the climbing cleaning is not needed, the personal safety of a cleaner is ensured, and the cleaning capability of the dust cleaning equipment on the projection curtain is kept, the projection effect of the projection curtain is improved.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.
Claims (6)
1. A projection curtain, includes curtain (1) and draw gear (5), its characterized in that: the projection curtain also comprises an upper end fixing mechanism (2), a lower end fixing mechanism (3), a dust removing mechanism (4) and a winding mechanism (6), wherein the traction device (5) is arranged in the upper end fixing mechanism (2), the winding mechanism (6) is arranged in the lower end fixing mechanism (3), the upper end of the curtain (1) is fixedly connected with a traction rod (1-1), the traction device (5) comprises two traction ropes (5-4), the lower ends of the two traction ropes (5-4) are respectively and fixedly connected with the left end and the right end of the traction rod (1-1), the winding mechanism (6) comprises a winding roller (6-2), the lower end of the curtain (1) is fixedly connected with the winding roller (6-2), and the winding roller (6-2) is rotatably connected with the lower end fixing mechanism (3), the two dust removing mechanisms (4) are arranged, the two dust removing mechanisms (4) are fixedly connected to the lower end fixing mechanism (3) respectively, and the curtain (1) is connected with the two dust removing mechanisms (4) in a sliding mode respectively.
2. A projection curtain as recited in claim 1, wherein: the upper end fixing mechanism (2) comprises an upper end fixing frame (2-1), a dustproof shell I (2-2) and two limiting clamps (2-3), the dustproof shell I (2-2) is fixedly connected to the upper end fixing frame (2-1), the two limiting clamps (2-3) are arranged, the two limiting clamps (2-3) are respectively arranged on the left side and the right side of the lower end of the upper end fixing frame (2-1), through holes are formed in the two limiting clamps (2-3), and the traction device (5) is rotatably connected to the upper end fixing frame (2-1).
3. A projection curtain as recited in claim 1, wherein: the lower end fixing mechanism (3) comprises a lower end fixing frame (3-1), a dustproof shell II (3-2) and two fixing grooves (3-3), the dustproof shell II (3-2) is fixedly connected to the lower end fixing frame (3-1), the two fixing grooves (3-3) are oppositely arranged on the inner side of the upper end of the dustproof shell II (3-2), and the winding roller (6-2) is rotatably connected to the lower end fixing frame (3-1).
4. A projection curtain as recited in claim 1, wherein: the dust removal mechanism (4) comprises a dust scraping brush (4-1) and a fixing rod (4-2), the dust scraping brush (4-1) is fixedly connected with the fixing rod (4-2), the two fixing rods (4-2) are respectively and fixedly connected into two fixing grooves (3-3), and the front side and the rear side of the curtain (1) are respectively in sliding connection with the two dust scraping brushes (4-1).
5. A projection curtain as recited in claim 2, wherein: the traction device (5) comprises a motor (5-1), a rotating shaft (5-2), two winding rolls (5-3) and traction ropes (5-4), wherein the motor (5-1) is fixedly connected to the left end of the upper end fixing frame (2-1), the rotating shaft (5-2) is rotatably connected to the upper end fixing frame (2-1), the number of the winding rolls (5-3) is two, the two winding rolls (5-3) are fixedly connected to the left side and the right side of the rotating shaft (5-2) respectively, the upper ends of the two traction ropes (5-4) are fixedly connected to the two winding rolls (5-3) respectively, and the left winding roll (5-3) is fixedly connected to an output shaft of the motor (5-1).
6. A projection curtain as recited in claim 1, wherein: the winding mechanism (6) comprises a spring tightener (6-1) and a winding roller (6-2), the left end of the spring tightener (6-1) is fixedly connected to the lower end fixing frame (3-1), and the right end of the spring tightener (6-1) is fixedly connected with the winding roller (6-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922253553.9U CN210742670U (en) | 2019-12-16 | 2019-12-16 | Projection curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922253553.9U CN210742670U (en) | 2019-12-16 | 2019-12-16 | Projection curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210742670U true CN210742670U (en) | 2020-06-12 |
Family
ID=70981064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922253553.9U Expired - Fee Related CN210742670U (en) | 2019-12-16 | 2019-12-16 | Projection curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210742670U (en) |
-
2019
- 2019-12-16 CN CN201922253553.9U patent/CN210742670U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210567246U (en) | Projector convenient to adjust projection angle | |
| CN210742670U (en) | Projection curtain | |
| CN113321078B (en) | Drilling radar detector hoist engine cable receive and releases wiring frame | |
| CN112932320A (en) | Self-cleaning device for invisible screen window | |
| CN109188845B (en) | Film protection projection curtain | |
| CN216310524U (en) | Projection screen cloth coiling mechanism | |
| CN208953880U (en) | A kind of projection hard curtain can be improved space utilization rate | |
| CN211545341U (en) | Projection screen cloth rolling device for computer projection display | |
| CN113063068B (en) | Graphic image acquisition device | |
| CN213876295U (en) | Projection curtain of chinese medicine english translation | |
| CN209803552U (en) | Electric lifting curtain | |
| CN211470400U (en) | Prevent projection curtain of fold during rolling | |
| CN217279249U (en) | Novel projection curtain structure | |
| CN117244827A (en) | Self-cleaning type industrial camera | |
| CN216002000U (en) | Law teaching display device | |
| CN220872870U (en) | Rope body traction stabilizing structure of wall-hanging projection curtain | |
| CN219936276U (en) | Projection curtain | |
| CN215031524U (en) | Synthetic aperture radar fast target capturing device | |
| CN213904053U (en) | High-definition film and television projection curtain | |
| CN220357424U (en) | Stable projection curtain | |
| CN214935053U (en) | Suspension device for intelligent generation of digital media scene | |
| CN217329060U (en) | Information display device for computer information engineering | |
| CN220383145U (en) | Monitoring camera with cleaning function | |
| CN220232227U (en) | Digital media display device | |
| CN216531586U (en) | Security protection video monitoring equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20201216 |