CN207867205U - A kind of portable stretchable projection curtain device - Google Patents
A kind of portable stretchable projection curtain device Download PDFInfo
- Publication number
- CN207867205U CN207867205U CN201820246387.2U CN201820246387U CN207867205U CN 207867205 U CN207867205 U CN 207867205U CN 201820246387 U CN201820246387 U CN 201820246387U CN 207867205 U CN207867205 U CN 207867205U
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- China
- Prior art keywords
- curtain
- fixed support
- support plate
- expansion bracket
- micromotor
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The utility model provides a kind of portable stretchable projection curtain device, including rectangle curtain and curtain retractable support frame, its main feature is that：Curtain retractable support frame includes fixed support plate and expansion bracket, support base is arranged in fixed support plate lower end, expansion bracket is arranged on the fixed support plate, the left and right ends of expansion bracket be can horizontal extension free end, respectively it is vertically arranged a spool on two free ends, the both sides of the rectangle curtain are respectively on the corresponding spool.Expansion bracket is rhombus expansion brackets or X-shaped expansion bracket or telescopic rod, and shaft is arranged on two flexible free ends of the expansion bracket and installs shell, shaft setting is in shaft installation shell and is rotatablely connected, and shaft is elasticity rotating shaft.It is simple in structure, compact, it is readily carried about after folding；Easy to operate, it is higher that curtain lifts efficiency.
Description
Technical field
The utility model belongs to projection device auxiliary equipment technical field, specifically a kind of portable stretchable projection screen
Device.
Background technology
Existing laptop includes mainly display portion, host computer and keyboard portion, display portion generally use liquid
Crystal display screen also allows for being applicable in various study and work demands, the size of general LCD screen all exists to meet visual effect
13 inch.Portable in order to realize, warp-wise ultrathin develops existing laptop, but by rigid LCD screen to pen
Remember the limitation of this computer dimensions, still can not break away from the shape of square, area occupied is still very big, needs to be taken with computer package
Band, can not accomplish small and exquisite enough, directly carry, do not still meet the portable requirement of people.Although having flexible keyboard
With foldable keyboard occur, if not breaking away from the constraint of rigid LCD screen, still can not really realize laptop it is direct with
Body carries.
Chinese patent（201620170742 .3 of application number）Disclose a kind of portable projector curtain, including projection screen
Cloth and curtain axis, projection screen one end are mounted on curtain axis, the curtain axis vertical connection main support rod, in main support rod
Be uniformly arranged more secondary supporting rods on side, more springs be also connected in the bottom of main support rod, be respectively provided on every spring with
The matched hook of hanging buckle, every secondary supporting rod can be rotated around with the connecting pin of main support rod, in the outer of every secondary supporting rod
A groove body is respectively provided on wall, there are one hanging buckles for the interior installation of groove body.The projector curtain cooperation projecting apparatus of the patent can when using
It, should to replace LCD screen, the included storage support function of projector curtain to no longer need to additionally use outdoors by holder
Curtain stability is good, can fold curtain reduce when not in use.
But the portable projector curtain of the above patent takes horizontally disposed curtain axis curling curtain, realizes curtain
Lifting, this mode are relatively common.Since curtain is rectangle, transverse width is more than height, and therefore, rigid curtain axis is longer,
After packing up curtain, it is still inconvenient to carry；In addition, its structure is complex, need that curtain lifting, inconvenient, effect is manually operated
Rate is relatively low.
How a kind of portable stretchable projection curtain device is designed, it is simple in structure, compact, it is readily carried about after folding；
In addition, easy to operate, it is higher that curtain lifts efficiency.This is current urgent problem to be solved.
Invention content
The utility model is to solve the above problem of the existing technology, provides a kind of portable stretchable projection screen and arranges
It sets, it is simple in structure, compact, it is readily carried about after folding；In addition, easy to operate, it is higher that curtain lifts efficiency
The purpose of this utility model is achieved through the following technical solutions：A kind of portable stretchable projection curtain device,
Including rectangle curtain and curtain retractable support frame, which is characterized in that the curtain retractable support frame include fixed support plate and
Support base is arranged in expansion bracket, the fixed support plate lower end, and the expansion bracket is arranged on the fixed support plate, described flexible
The left and right ends of frame be can horizontal extension free end, be respectively vertically arranged a spool, the length on two free ends
The both sides of rectangular curtain are respectively on the corresponding spool.
Improvement to above-mentioned technical proposal：The expansion bracket be rhombus expansion brackets, X-shaped expansion bracket or telescopic rod, it is described to stretch
Spool is set on two free ends of contracting frame, shell is installed, the spool setting is in spool installation shell and rotates
Connection, the spool are elastic rotating shaft.
Above-mentioned technical proposal is further improved：Micromotor and control are set on the fixed support plate or support base
Device processed, it is flexible that the micromotor by transmission parts drives two free ends of the expansion bracket to synchronize, exhibition
Open or roll the rectangle curtain.
A kind of improvement to above-mentioned technical proposal：The rhombus expansion brackets are symmetricly set on the fixed support plate, institute
It states rhombus expansion brackets to be hingedly made of the articulated shaft of the connecting rod and connecting rod crossover sites that intersect, has two among the rhombus expansion brackets
A articulated shaft setting up and down, vertically arranged rotatable left-right turning screw rod on the fixed support plate medial surface are described
Left-handed section of the left-right turning screw rod first half is cased with screw, and lower screw is cased in the dextrorotation section of the left-right turning screw rod lower half,
The upper screw and lower screw have a micromotor logical respectively with two hinged axis connections among the rhombus expansion brackets
It crosses flexible drive axle to connect with the left-right turning screw rod, drives the left-right turning screw rod to rotate forward by micromotor forward or reverse
Or reversion is unfolded or rolls the rectangle curtain to make two free end synchronization telescopes of the rhombus expansion brackets.
Above-mentioned technical proposal is further improved：The support base is the supporting leg with the fixed support plate lower hinge
Or the hinged strip bottom plate with the fixed support plate lower end.
Above-mentioned technical proposal is further improved：The support base is the strip hinged with the fixed support plate lower end
Bottom plate, the micromotor, flexible drive axle, the battery for micromotor power supply and control device are arranged at the length
On bottom plate.
Above-mentioned technical proposal is further improved：The micromotor is stepper motor.
The utility model compared with prior art the advantages of and good effect be：
1, the spool in the portable folding projection curtain device of the utility model is vertically arranged, and expansion bracket is flexible for diamond shape
Frame, X-shaped expansion bracket or telescopic rod, it is simple in structure, compact, it is readily carried about after folding；
2, the expansion bracket of the utility model is driven using motor, easy to operate, and it is higher that curtain lifts efficiency；
3, the utility model support base is to be hinged with the supporting leg of fixed support plate lower hinge or with fixed support plate lower end
Strip bottom plate, fixation is easy to carry after folding, be also convenient for adjust screen angle of inclination.
Description of the drawings
Fig. 1 is a kind of stereogram at 1 back side of portable stretchable projection curtain device embodiment of the utility model；
Fig. 2 is a kind of stereogram at 2 back side of portable stretchable projection curtain device embodiment of the utility model；
Fig. 3 is a kind of stereogram at 3 back side of portable stretchable projection curtain device embodiment of the utility model；
Fig. 4 is a kind of front view that 3 back side curtain of portable stretchable projection curtain device embodiment is stretched out of the utility model；
Fig. 5 is facing after a kind of 3 back side curtain of portable stretchable projection curtain device embodiment of the utility model is shunk
Figure；
Fig. 6 is a kind of partial schematic diagram of portable stretchable projection curtain device of the utility model；
Fig. 7 is a kind of side view of the portable stretchable projection curtain device of the utility model by detecting supporting states of supporting legs；
Fig. 8 is a kind of stereogram of the portable stretchable projection curtain device of the utility model by strip backplanes support state；
Fig. 9 is after a kind of portable stretchable projection curtain device curtain of the utility model is shunk by strip backplanes support state
Stereogram；
Figure 10 is a kind of portable stretchable projection curtain device curtain contraction of the utility model and strip bottom plate folded state
Stereogram.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing：
A kind of embodiment of portable stretchable projection curtain device of the utility model, including rectangle curtain 2 and curtain
Retractable support frame, curtain retractable support frame include fixed support plate 4 and expansion bracket, the setting support of 4 lower end of the fixed support plate
Seat, expansion bracket are arranged on fixed support plate 4, the left and right ends of expansion bracket be can horizontal extension free end, two freedom
Respectively it is vertically arranged a spool 12 on end, the both sides of rectangle curtain 2 are respectively on corresponding spool 12.
Referring to Fig. 1, Fig. 6, a kind of embodiment 1 of portable stretchable projection curtain device of the utility model, including rectangle
Curtain 2, curtain retractable support frame, curtain retractable support frame include fixed support plate 4 and two telescopic rods 3, the fixed support
Support base is arranged in 4 lower end of plate, and two telescopic rods 3 are separately fixed on 4 left and right sides of fixed support plate, two 3 outer ends of telescopic rod
Be can horizontal extension free end, spool installation shell 1 is respectively vertically arranged on two free ends, spool 12 is arranged in spool
It installs in shell 1 and is rotatablely connected, spool 12 is elastic rotating shaft, and 2 torsion of winding rectangle curtain is generated using spring.
Referring to Fig. 2, Fig. 6, a kind of embodiment 2 of portable stretchable projection curtain device of the utility model, including rectangle
Curtain 2, curtain retractable support frame, curtain retractable support frame include fixed support plate 4 and two X-shaped expansion brackets 5, are supported fixed
Support base is arranged in 4 lower end of plate, and the elongated slot on the correspondence one side of fixed support plate 4 is inserted into two 5 one end of X-shaped expansion bracket, and X-shaped is flexible
5 other end of frame is inserted into the sliding slot on shaft installation shell 1.The setting of spool 12 is in spool installation shell 1 and is rotatablely connected, volume
Axis 12 is that elastic rotating shaft generates 2 torsion of winding rectangle curtain using spring.
In order to realize that automatic curtain is flexible, micromotor and control device can be set on fixed support plate 4 or support base,
Micromotor drives two free ends of expansion bracket to synchronize flexible by transmission parts, is unfolded or rolls rectangle curtain 2.
Referring to Fig. 3-Fig. 6, a kind of embodiment 3 of portable stretchable projection curtain device of the utility model, including rectangle
Curtain 2, curtain retractable support frame, curtain retractable support frame includes fixed support plate 4 and rhombus expansion brackets 6, in fixed support plate 4
Support base is arranged in lower end, and rhombus expansion brackets 6 are symmetricly set on the fixed support plate 4, and rhombus expansion brackets 6 are by the connecting rod that intersects
It is hingedly constituted with the articulated shaft of connecting rod crossover sites.There are two articulated shafts setting up and down among rhombus expansion brackets 6, in fixation
Vertically arranged rotatable left-right turning screw rod 9 on 4 medial surface of support plate, left-handed section in 9 first half of left-right turning screw rod is cased with
Screw 7, is cased with lower screw 8 in the dextrorotation section of 9 lower half of left-right turning screw rod, upper screw 7 and lower screw 8 respectively with rhombus expansion brackets
Two hinged axis connections among 6.The outer end of left and right two of rhombus expansion brackets 6 be can horizontal extension free end, two from
Shell 1 is installed by being respectively vertically arranged a spool on end, the setting of spool 12 is in spool installation shell 1 and is rotatablely connected, spool 12
For elastic rotating shaft 2 torsion of winding rectangle curtain is generated using spring.Have a micromotor 11 by flexible drive axle 10 with
9 lower end of left-right turning screw rod connects, and drives 9 forward or reverse of left-right turning screw rod to make water chestnut by 11 forward or reverse of micromotor
Two free end synchronization telescopes of shape expansion bracket 6, are unfolded or roll rectangle curtain 2.
Referring to Fig. 7, Fig. 8, the support base of embodiment 1, embodiment 2 and embodiment 3 is and 4 lower hinge of fixed support plate
Supporting leg 13 or the strip bottom plate 14 hinged with 4 lower end of fixed support plate.Fixation, it is easy to carry after folding, it is also convenient for adjusting
The angle of inclination of rectangle curtain 2.Supporting leg 13 and strip bottom plate 14 are locked when supporting fixed by locking device.
Micromotor 11, flexible drive axle 10 in embodiment 3, the battery for the power supply of micromotor 11 and control device are equal
Setting can also be arranged on strip bottom plate 14 or inside strip bottom plate 14 in fixed support plate 4.Preferably, above-mentioned miniature
Motor 11 is stepper motor, is rolled or the size of stretch amplitude convenient for accurately controlling rectangle curtain 2 by control device.
Fig. 3 is the schematic diagram that embodiment 3 does not install fixed support plate 4；Fig. 4 is the signal of 3 curtain extended state of embodiment
Figure；Fig. 5 is the schematic diagram after 3 curtain of embodiment is shunk.
Fig. 8 is a kind of portable stretchable projection curtain device curtain expansion of the utility model and supports shape by strip bottom plate 14
The schematic diagram of state；Fig. 9 is after a kind of portable stretchable projection curtain device curtain of the utility model is shunk and by strip bottom plate 14
The schematic diagram of holding state；Figure 10 is after a kind of portable stretchable projection curtain device curtain of the utility model is shunk and strip bottom
Plate 14 folds the schematic diagram of merging phase, compact-sized in this way, easy to carry.
Preferably, the rectangle curtain 2 in the utility model integrated portable projection computer embodiment 1-3 can be thrown after being unfolded
The Diagonal Dimension of shadow part is 14 inch, almost the same with the liquid crystal display of laptop, can be satisfied the use demand.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this
The those of ordinary skill of technical field, the made variations, modifications, additions or substitutions in the essential scope of the utility model,
Also belong to the scope of protection of the utility model.
Claims (8)
1. a kind of portable stretchable projection curtain device, including rectangle curtain and curtain retractable support frame, which is characterized in that institute
It includes fixed support plate and expansion bracket to state curtain retractable support frame, and support base is arranged in the fixed support plate lower end, described flexible
Frame is arranged on the fixed support plate, the left and right ends of the expansion bracket be can horizontal extension free end, described in two
Respectively it is vertically arranged a spool on free end, the both sides of the rectangle curtain are respectively on the corresponding spool.
2. portable stretchable projection curtain device described in accordance with the claim 1, which is characterized in that the expansion bracket is diamond shape
Expansion bracket, X-shaped expansion bracket or telescopic rod, setting spool installs shell, the volume on two free ends of the expansion bracket
Axis setting is in spool installation shell and is rotatablely connected, and the spool is elastic rotating shaft.
3. according to portable stretchable projection curtain device as claimed in claim 1 or 2, which is characterized in that in the fixed support
Micromotor is set on plate or support base and control device, the micromotor drive the two of the expansion bracket by transmission parts
A free end synchronizes flexible, is unfolded or rolls the rectangle curtain.
4. portable stretchable projection curtain device according to claim 2, which is characterized in that the rhombus expansion brackets pair
Claim to be arranged on the fixed support plate, the rhombus expansion brackets are hinged by the articulated shaft of the connecting rod and connecting rod crossover sites that intersect
It constitutes, it is vertical on the fixed support plate medial surface there are two the articulated shaft setting up and down among the rhombus expansion brackets
Rotatable left-right turning screw rod is set, and left-handed section of the left-right turning screw rod first half is cased with screw, the left-right turning screw rod
Be cased with lower screw in the dextrorotation section of lower half, the upper screw and lower screw respectively with two institutes among the rhombus expansion brackets
Hinged axis connection is stated, has a micromotor to be connect with the left-right turning screw rod by flexible drive axle, is rotated forward by micromotor
Or reversion drives the left-right turning screw rod forward or reverse to be stretched to make two free ends of the rhombus expansion brackets synchronize
Contracting, is unfolded or rolls the rectangle curtain.
5. according to portable stretchable projection curtain device as claimed in claim 1 or 2, which is characterized in that the support base be with
The supporting leg of the fixed support plate lower hinge or the strip bottom plate hinged with the fixed support plate lower end.
6. portable stretchable projection curtain device according to claim 4, which is characterized in that the support base for institute
State the hinged strip bottom plate in fixed support plate lower end, the micromotor, flexible drive axle, the electricity powered for the micromotor
Pond and control device are arranged on the strip bottom plate.
7. portable stretchable projection curtain device described in accordance with the claim 3, which is characterized in that the micromotor is
Stepper motor.
8. according to the portable stretchable projection curtain device described in claim 4 or 6, which is characterized in that the micromotor
For stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/072279 WO2019154041A1 (en) | 2018-02-06 | 2019-01-18 | Portable telescopic projection screen apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820205453 | 2018-02-06 | ||
| CN2018202054531 | 2018-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207867205U true CN207867205U (en) | 2018-09-14 |
Family
ID=63457168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820246387.2U Active CN207867205U (en) | 2018-02-06 | 2018-02-11 | A kind of portable stretchable projection curtain device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207867205U (en) |
| WO (1) | WO2019154041A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910774A (en) * | 2019-03-11 | 2019-06-21 | 天派电子（深圳）有限公司 | A kind of vehicle-carrying display screen folding and unfolding method and device |
| WO2019154041A1 (en) * | 2018-02-06 | 2019-08-15 | 青岛同鑫创新实验室科技有限公司 | Portable telescopic projection screen apparatus |
| CN112631061A (en) * | 2020-12-04 | 2021-04-09 | 莱西市蔚来设计中心 | AI education equipment is used in wisdom education campus |
| CN114393946A (en) * | 2022-01-28 | 2022-04-26 | 电子科技大学成都学院 | A dustless equipment of writing for environmental protection teaching |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676585A (en) * | 2016-04-14 | 2016-06-15 | 潘爱松 | Dual-elevating electric curtain |
| CN205958916U (en) * | 2016-07-25 | 2017-02-15 | Tcl集团股份有限公司 | Telescopic ground draw curtain cloth |
| CN207867205U (en) * | 2018-02-06 | 2018-09-14 | 青岛同鑫创新实验室科技有限公司 | A kind of portable stretchable projection curtain device |
-
2018
- 2018-02-11 CN CN201820246387.2U patent/CN207867205U/en active Active
-
2019
- 2019-01-18 WO PCT/CN2019/072279 patent/WO2019154041A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019154041A1 (en) * | 2018-02-06 | 2019-08-15 | 青岛同鑫创新实验室科技有限公司 | Portable telescopic projection screen apparatus |
| CN109910774A (en) * | 2019-03-11 | 2019-06-21 | 天派电子（深圳）有限公司 | A kind of vehicle-carrying display screen folding and unfolding method and device |
| CN109910774B (en) * | 2019-03-11 | 2024-03-26 | 天派电子（深圳）有限公司 | Application method of vehicle-mounted display screen retraction device |
| CN112631061A (en) * | 2020-12-04 | 2021-04-09 | 莱西市蔚来设计中心 | AI education equipment is used in wisdom education campus |
| CN112631061B (en) * | 2020-12-04 | 2021-08-27 | 北京华图宏阳教育文化发展股份有限公司 | AI education equipment is used in wisdom education campus |
| CN114393946A (en) * | 2022-01-28 | 2022-04-26 | 电子科技大学成都学院 | A dustless equipment of writing for environmental protection teaching |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019154041A1 (en) | 2019-08-15 |
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