CN210181382U - Curtain and projection system - Google Patents
Curtain and projection system Download PDFInfo
- Publication number
- CN210181382U CN210181382U CN201920456987.6U CN201920456987U CN210181382U CN 210181382 U CN210181382 U CN 210181382U CN 201920456987 U CN201920456987 U CN 201920456987U CN 210181382 U CN210181382 U CN 210181382U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- curtain
- hinged
- bevel gear
- rod
- 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.)
- Active
Links
Images
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model provides a curtain and projection system belongs to projection equipment technical field. The utility model discloses a curtain includes curtain body, spool and moving mechanism, the curtain body convolute in on the spool, moving mechanism with the curtain body stretches out the one end fixed connection of spool. The utility model discloses a curtain stability is good, can avoid rocking of curtain.
Description
Technical Field
The utility model belongs to the technical field of projection equipment, especially, relate to a curtain and projection system.
Background
The curtain of laser television (projecting apparatus) adopts over-and-under type structure more, and the current common way sets up a pivot in the top of projecting apparatus, and the curtain rolling is in the pivot, and during the projection, the pivot rotates, makes the curtain fall and realize opening. The curtain is not structurally supported, so that shaking is easily caused, and the watching quality is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the embodiment of the utility model provides a curtain for preventing the curtain from shaking.
The embodiment of the utility model provides a solve the technical scheme that above-mentioned technical problem adopted and be: the curtain comprises a curtain body, a scroll and a moving mechanism, wherein the curtain body is wound on the scroll, and the moving mechanism and the curtain body extend out of one end of the scroll and are fixedly connected.
As a further improvement of the above technical solution, the moving mechanism includes a driving element and a moving element, an output end of the driving element is connected to the moving element, and the curtain body is fixedly connected to the moving element, wherein the moving element is driven by the driving element to move close to or away from the winding shaft to drive the curtain to be unfolded or wound.
As a further improvement of the above technical scheme, the moving member includes a slide rail and a slide block, the slide rail is fixedly arranged, the slide block is slidably arranged on the slide rail, and the slide block is fixedly connected with the curtain body.
As a further improvement of the above technical solution, the driving member includes a driving bevel gear, a first driven bevel gear, a second driven bevel gear, a first lead screw, and a second lead screw, the first driven bevel gear and the second driven bevel gear are symmetrically disposed on two sides of the driving bevel gear, the first driven bevel gear and the second driven bevel gear are respectively engaged with the driving bevel gear, the first lead screw and the second lead screw are symmetrically disposed on two sides of the driving bevel gear, the first lead screw and the first driven bevel gear rotate synchronously, and the second lead screw and the second driven bevel gear rotate synchronously.
As a further improvement of the above technical solution, the moving member includes a first slider, a first rod group connected to the first slider, a second slider, and a second rod group connected to the second slider, the first slider is sleeved on the first lead screw and is in threaded connection with the first lead screw, one end of the first rod group is hinged to the first slider, the other end of the first rod group is fixedly connected to the curtain body, the second slider is sleeved on the second lead screw and is in threaded connection with the second lead screw, one end of the second rod group is hinged to the second slider, and the other end of the second rod group is fixedly connected to the curtain body.
As a further improvement of the technical scheme, the device further comprises a support, and the moving piece is arranged on the support.
As a further improvement of the above technical scheme, the first rod set includes a first connecting rod, a second connecting rod and a third connecting rod which are sequentially arranged, one end of the first connecting rod is hinged to the first sliding block, the other end of the first connecting rod is hinged to the second connecting rod, one end of the second connecting rod is hinged to the support, the other end of the second connecting rod is hinged to one end of the third connecting rod, and the other end of the third connecting rod is hinged to the curtain body.
As a further improvement of the above technical solution, the second rod group includes a fourth connecting rod, a fifth connecting rod and a sixth connecting rod which are sequentially arranged, one end of the fourth connecting rod is hinged to the second slider, the other end of the fourth connecting rod is hinged to the fifth connecting rod, the fifth connecting rod is hinged to the support, the other end of the fifth connecting rod is hinged to one end of the sixth connecting rod, and the other end of the sixth connecting rod is hinged to the curtain body.
As a further improvement of the technical scheme, the moving piece is fixedly connected with the upper end of the curtain body, and the scroll fixes the lower end of the curtain body.
The utility model also provides a projection system, including the projecting apparatus and as above the curtain, as above-mentioned technical scheme's further improvement, still include the box, the driving piece with the moving member is located in the box, the projecting apparatus is located on the box, be equipped with the door plant on the box, door plant one end is articulated set up in on the box, make the door plant can be relative the box rotates, and then forms the passageway of curtain body.
The utility model has the advantages that:
the utility model discloses a curtain passes through the expansion or the rolling that moving mechanism drove the curtain body, through the both ends of moving mechanism, spool fixed curtain body respectively, guarantees the fixed of curtain body, prevents rocking of curtain body.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 shows a schematic diagram of a curtain of one embodiment;
FIG. 2 shows a schematic view of the curtain as it is retracted in one embodiment;
FIG. 3 is a schematic diagram showing the structure of the curtain when it is deployed in one embodiment;
FIG. 4 is a schematic view of a portion of the enlarged structure at A in FIG. 2;
fig. 5 shows a schematic diagram of the structure of the projection system in an embodiment.
Detailed Description
The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, front, rear, etc. used in the present invention is only relative to the mutual position relationship of the components of the present invention in the drawings.
Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.
Referring to fig. 1, a schematic diagram of a curtain in one embodiment is shown. A curtain comprises a curtain body 100, a scroll 110 and a moving mechanism, wherein the curtain body 100 is wound on the scroll 110, one end of the curtain body 100 extends out of the scroll 110 and is used for unfolding or folding the curtain body 100, the moving mechanism is fixedly connected with the curtain body 100, and the moving mechanism can drive the curtain body 100 to move relatively far away from or close to the scroll 110 so as to unfold or fold the curtain body 100.
The moving mechanism comprises a driving part and a moving part 120, the driving part 120 is fixedly arranged, the moving part 130 is connected with the output end of the driving part 120, the driving part 120 drives the moving part 130 to work, the curtain body 100 completes the unfolding or rolling action under the driving of the moving part 130, meanwhile, when the curtain body 100 is unfolded, the moving part 130 and the scroll 110 fix two ends of the curtain body 100 respectively, and the stability of the curtain body 100 is guaranteed.
In one embodiment, the moving member 130 includes a slide rail and a slide block (not shown), wherein the slide block is slidably disposed on the slide rail and is fixedly connected to the curtain body 100, and the slide block slides to drive the curtain body 100 to move.
In another embodiment, as shown in fig. 2 and fig. 3, the moving member is configured as a rod set, and the movement of the rod set is used to move the curtain body 100.
In this embodiment, the curtain includes a curtain body 200, a roller (not shown), a driving member, and a moving member.
In this embodiment, referring to fig. 4, the driving member includes a drive bevel gear 210, a first driven bevel gear 211 and a second driven bevel gear 212, the first driven bevel gear 211 and the second driven bevel gear 212 are symmetrically disposed at two sides of the drive bevel gear 210, and the first driven bevel gear 211 and the second driven bevel gear 212 are respectively engaged with the drive bevel gear 210. Since the first and second driven bevel gears 211 and 212 are symmetrically disposed at both sides of the drive bevel gear 210, when the motion of the drive bevel gear 210 is transmitted to the first and second driven bevel gears 211 and 212, the first and second driven bevel gears 211 and 212 rotate in opposite directions.
The driving member further includes a first lead screw 213 and a second lead screw 214, the first lead screw 213 is connected with the first driven bevel gear 211 in a synchronous rotation manner, the second lead screw 214 is connected with the second driven bevel gear 212 in a synchronous rotation manner, and the first lead screw 213 and the second lead screw 214 are also symmetrically arranged at two sides of the driving bevel gear 210.
The moving member includes a first slider 220, a second slider 221, a first bar group, and a second bar group.
The first slider 220 is sleeved on the first lead screw 213, the first slider 220 is connected with the first lead screw 213 through a thread, the second slider 221 is sleeved on the second lead screw 214, and the second slider 221 is connected with the second lead screw 214 through a thread. The first slider 220 and the first lead screw 213, the second slider 221 and the second lead screw 214 form a lead screw slider mechanism, when the first lead screw 213 rotates, the first slider 220 slides in the length direction of the first lead screw 213, and when the second lead screw 214 rotates, the second slider 221 slides in the length direction of the second lead screw 214.
One end of the first rod set is hinged to the first sliding block 220, the other end of the first rod set is fixed to the curtain body 200, one end of the second rod set is hinged to the second sliding block 221, and the other end of the second rod set is fixed to the curtain body 200. The sliding of the first slider 220 and the second slider 221 drives the first rod set and the second rod set to move, and the first rod set and the second rod set drive the curtain body 200 to move.
Preferably, the drive bevel gear 210 is located at the middle position of the curtain body 200 in the width direction, so, the first lead screw 213 and the second lead screw 214 are symmetrically arranged on the left side and the right side of the curtain body 200, the first rod group and the second rod group respectively act on the left side and the right side of the curtain body 200, the left side and the right side of the curtain body 200 are fixed, and the curtain body 200 is more uniform in stress and better in stability under the action of the first rod group and the second rod group.
In a preferred embodiment, the first rod set includes a first connecting rod 222, a second connecting rod 223 and a third connecting rod 224, which are sequentially arranged, wherein one end of the first connecting rod 222 is hinged to the first sliding block 220, the other end of the first connecting rod 222 is hinged to the second connecting rod 223, one end of the second connecting rod 223 is hinged and fixedly arranged, the other end of the second connecting rod 223 is hinged to one end of the third connecting rod 224, and the other end of the third connecting rod 224 is hinged to the curtain body 200.
In a preferred embodiment, the second rod set includes a fourth connecting rod 225, a fifth connecting rod 226 and a sixth connecting rod 227, which are sequentially arranged, wherein one end of the fourth connecting rod 225 is hinged to the second sliding block 221, the other end of the fourth connecting rod 225 is hinged to the fifth connecting rod 225, one end of the fifth connecting rod 225 is hinged and fixedly arranged, the other end of the fifth connecting rod 225 is hinged to one end of the sixth connecting rod 226, and the other end of the sixth connecting rod 226 is hinged to the curtain body 200.
Referring to fig. 2 and 3, after the driving member works, the moving member works to drive the curtain body 200 to move. In this embodiment, the curtain body 200 preferably rises from bottom to top and falls from top to bottom.
In this embodiment, a support 230 is further provided for supporting the driving member and the moving member, wherein the hinged and fixed end of the second connecting rod 223 is disposed on the support 230, and the hinged and fixed end of the fifth sixth rod 225 is disposed on the support 230.
It should be noted that, in the utility model, the moving direction of the curtain body 100 can be from bottom to top or from top to bottom or from left to right or from right to left, and can also set up certain inclination on the basis of the above directions.
As shown in fig. 5, the present invention further provides a projection system, which includes a projector 300 and a curtain as described above.
In one embodiment, the projection system further includes a box 310, the projector 300 is mounted on the box 310, the driving member and the moving member are disposed inside the box 310, and a channel (not shown) for moving the curtain body 320 is further disposed inside the box 310.
Further, a door 330 is disposed on the upper portion of the box 310, one end of the door 330 is hinged to the box 310, and the door 330 can rotate relative to the box 310 to release the passage for the curtain body 320.
The utility model discloses a projection system adopts by the structure of lower supreme curtain, and it is whole to have better mobility.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The curtain is characterized by comprising a curtain body, a scroll and a moving mechanism, wherein the curtain body is wound on the scroll, the moving mechanism comprises a driving piece and a moving piece, the output end of the driving piece is connected with the moving piece, the curtain body extends out of one end of the scroll and the moving piece is fixedly connected, and the moving piece is driven by the driving piece to be close to or far away from the scroll so as to drive the curtain to be unfolded or rolled.
2. The curtain as claimed in claim 1, wherein the moving member comprises a slide rail and a slide block, the slide rail is fixedly disposed, the slide block is slidably disposed on the slide rail, and the slide block is fixedly connected to the curtain body.
3. The curtain as claimed in claim 1, wherein the driving member comprises a driving bevel gear, a first driven bevel gear, a second driven bevel gear, a first screw rod and a second screw rod, the first driven bevel gear and the second driven bevel gear are symmetrically arranged on two sides of the driving bevel gear, the first driven bevel gear and the second driven bevel gear are respectively engaged with the driving bevel gear, the first screw rod and the second screw rod are symmetrically arranged on two sides of the driving bevel gear, the first screw rod and the first driven bevel gear rotate synchronously, and the second screw rod and the second driven bevel gear rotate synchronously.
4. The curtain as claimed in claim 3, wherein the moving member comprises a first slider, a first rod set connected to the first slider, a second slider, and a second rod set connected to the second slider, the first slider is sleeved on the first lead screw and is in threaded connection with the first lead screw, one end of the first rod set is hinged to the first slider, the other end of the first rod set is fixedly connected to the curtain body, the second slider is sleeved on the second lead screw and is in threaded connection with the second lead screw, one end of the second rod set is hinged to the second slider, and the other end of the second rod set is fixedly connected to the curtain body.
5. The curtain as recited in claim 4, further comprising a bracket, wherein the moving member is mounted to the bracket.
6. The curtain as claimed in claim 5, wherein the first rod set comprises a first connecting rod, a second connecting rod and a third connecting rod, the first connecting rod, the second connecting rod and the third connecting rod are sequentially arranged, one end of the first connecting rod is hinged to the first sliding block, the other end of the first connecting rod is hinged to the second connecting rod, one end of the second connecting rod is hinged to the bracket, the other end of the second connecting rod is hinged to one end of the third connecting rod, and the other end of the third connecting rod is hinged to the curtain body.
7. The curtain as claimed in claim 5, wherein the second rod set comprises a fourth connecting rod, a fifth connecting rod and a sixth connecting rod, the fourth connecting rod, the fifth connecting rod and the sixth connecting rod are sequentially arranged, one end of the fourth connecting rod is hinged to the second slider, the other end of the fourth connecting rod is hinged to the fifth connecting rod, one end of the fifth connecting rod is hinged to the bracket, the other end of the fifth connecting rod is hinged to one end of the sixth connecting rod, and the other end of the sixth connecting rod is hinged to the curtain body.
8. The curtain as recited in claim 1, wherein the moving member is fixedly coupled to an upper end of the curtain body, and the roller secures a lower end of the curtain body.
9. A projection system, comprising a projector, a box and a curtain as claimed in any one of claims 1 to 8, wherein the driving member and the moving member are disposed in the box, the projector is disposed on the box, a door plate is disposed on the box, and one end of the door plate is hinged to the box, so that the door plate can rotate relative to the box, thereby forming a passage of the curtain body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920456987.6U CN210181382U (en) | 2019-04-01 | 2019-04-01 | Curtain and projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920456987.6U CN210181382U (en) | 2019-04-01 | 2019-04-01 | Curtain and projection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210181382U true CN210181382U (en) | 2020-03-24 |
Family
ID=69830560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920456987.6U Active CN210181382U (en) | 2019-04-01 | 2019-04-01 | Curtain and projection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210181382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007553A (en) * | 2019-04-01 | 2019-07-12 | 深圳市火乐科技发展有限公司 | A kind of curtain and optical projection system |
-
2019
- 2019-04-01 CN CN201920456987.6U patent/CN210181382U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007553A (en) * | 2019-04-01 | 2019-07-12 | 深圳市火乐科技发展有限公司 | A kind of curtain and optical projection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2011373201B2 (en) | Foldable tent frame | |
| CN110599907A (en) | Foldable display device | |
| CN110491192B (en) | Teaching demonstration device for animation design | |
| CN107524402B (en) | Curtain | |
| CN211348979U (en) | Projection screen device and vehicle | |
| CN110007553A (en) | A kind of curtain and optical projection system | |
| CN105888366B (en) | A kind of folding sunshade canopy | |
| CN112788162A (en) | Folding screen bending mechanism and mobile terminal | |
| CN105629649B (en) | A kind of integral type projection device | |
| CN107424517A (en) | A kind of flexible display taken down the exhibits | |
| CN210181382U (en) | Curtain and projection system | |
| CN112269426B (en) | Electronic equipment | |
| CN114694488A (en) | Flexible screen telescopic structure and flexible display device | |
| CN109588861A (en) | A kind of electric foldable table | |
| CN208243168U (en) | A kind of electric foldable table | |
| CN114363586A (en) | Lifting device of projection screen, projection screen and laser television | |
| CN108891988B (en) | Film flanging equipment | |
| CN107554245B (en) | Decorative cover linkage mechanism of sunshade curtain | |
| CN205608371U (en) | Integral type projection equipment | |
| CN216553702U (en) | Electric ceiling curtain | |
| CN209290134U (en) | Formula sunshade is received in a kind of automatic support of front windshield | |
| CN209369696U (en) | A kind of electric railless folding door | |
| CN220105508U (en) | Electric teaching projection screen | |
| US20170311729A1 (en) | Deployment system for deployable sofa, and deployable sofa | |
| CN116538188B (en) | Inward folding flexible screen hinge structure and mute assembly thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |