CN108172035A - A kind of computer teaching portable translucent screen - Google Patents
A kind of computer teaching portable translucent screen Download PDFInfo
- Publication number
- CN108172035A CN108172035A CN201810106841.9A CN201810106841A CN108172035A CN 108172035 A CN108172035 A CN 108172035A CN 201810106841 A CN201810106841 A CN 201810106841A CN 108172035 A CN108172035 A CN 108172035A
- Authority
- CN
- China
- Prior art keywords
- vertical tube
- locating slot
- cylinder
- curtain
- rotating shaft
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- 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
Abstract
The invention discloses a kind of computer teaching portable translucent screens, and including left vertical tube, right vertical tube, two supporting legs and curtain, the top and bottom correspondence of the left vertical tube and right vertical tube is equipped with upper bracket and undersetting；The left vertical tube includes the first column being mounted between corresponding upper bracket and undersetting, the first rotating shaft that can be rotatably mounted on the first column, the first cylinder outside first rotating shaft and is used to drive first rotating shaft rotationally the first power source on the first cylinder；The right side opening of first cylinder is equipped with the first strip through-hole passed through for curtain；The first limiting slot for being clamped curtain end is offered in the first rotating shaft；Several groups of locating slots are offered on front side of first cylinder, every group of locating slot includes the first locating slot and the second locating slot immediately below the first locating slot.The present invention can facilitate the use realized when projecting apparatus replaces place by the cooperations of all parts, easy to carry.
Description
Technical field
The present invention relates to a kind of projection screen, specifically a kind of computer teaching portable translucent screen.
Background technology
At present, since the improvement of office conditions, projecting apparatus and the projection screen mating with it are had been widely used in teaching.
With the progress of science and technology, shadow casting technique is also rapidly developed, and projecting apparatus is towards smaller, lighter, more intelligent direction
Development.However, the structure of projection screen has not changed substantially.Not only volume is big, but also weight weight for entire projection screen,
It is inconvenient to carry, affect use when projecting apparatus replaces place.
Invention content
The present invention provides a kind of computer teaching portable translucent screen, can solve the above problems.
A kind of computer teaching portable translucent screen is stood including left vertical tube, right vertical tube, for installing left vertical tube and the right side
The top and bottom of two supporting legs and the curtain between left vertical tube and right vertical tube of cylinder, the left vertical tube and right vertical tube
Correspondence is equipped with upper bracket and undersetting；It is vertical that the left vertical tube includes be mounted between corresponding upper bracket and undersetting first
It column, the first rotating shaft that can be rotatably mounted on the first column, the first cylinder outside first rotating shaft and is mounted on
It is used to drive first rotating shaft rotationally the first power source on first cylinder；The right side opening of first cylinder is equipped with and is passed through for curtain
The first strip through-hole；The first limiting slot for being clamped curtain end is offered in the first rotating shaft；The right vertical tube packet
It includes mounted on the second column between corresponding upper bracket and undersetting and the second cylinder outside the second column；Described second
The second strip through-hole passed through for curtain is offered on the left of cylinder；It offers to be clamped curtain end on second column
The second limiting slot；The supporting leg includes bottom plate, can be stretched mounted on the universal wheel of bottom base plate and above bottom plate
The lifting gear of contracting；The upper end of the lifting gear is equipped with support plate, and the undersetting installation is on the supporting plate；Described first
Several groups of locating slots are offered on front side of cylinder, every group of locating slot includes the first locating slot and immediately below the first locating slot
Second locating slot；Connecting rod is installed, the both ends of the connecting rod are respectively equipped with and the on the first locating slot and the second locating slot
A positioning groove, the matched locating piece of the second locating slot；It is offered at the position of the first locating slot of face on second cylinder
The third locating slot identical with the second locating slot.
Preferably, the bottom plate is U-shaped board, and bottom offers mounting groove in U-shaped board, and buffering elastic is equipped in mounting groove
Spring, the upper end of buffer spring and the bottom of lifting gear connect.
Preferably, in the U-shaped board cushion is symmetrically installed on two side.
Preferably, the lifting gear includes electric telescopic rod and on bottom plate for driving the of electric telescopic rod
Two power sources.
Preferably, the shell that left vertical tube and right vertical tube can be surrounded is further included, the shell includes front housing and rear shell, preceding
The left end of shell and the left end of rear shell are hinged；The right end of front housing is equipped with several protrusions, and the right end of the rear shell opens up
Have and the matched recessed portion of protrusion.
The present invention can realize the movement or carrying of whole device by manipulating universal wheel.Right vertical tube can be realized using connecting rod
With the fixation of left vertical tube.Finally, by the cooperation of all parts, the use realized when projecting apparatus replaces place can be facilitated, carried
It is convenient.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the schematic diagram of two vertical tube cross-sections of the invention；
Fig. 3 is the schematic diagram of the present invention when not in use；
Fig. 4 is the schematic diagram after Fig. 3 lifting gears are shunk；
Fig. 5 is the present invention plus the schematic diagram after shell.
Reference sign：
1- bottom plates, 11- mounting grooves, 12- buffer springs, 13- cushions, 2- universal wheels, 3- lifting gears, 4- support plates,
5- undersettings, the left vertical tubes of 6-, the first columns of 61-, 62- first rotating shafts, the first cylinders of 63-, the first locating slots of 631-, 632- second
Locating slot, 64- connecting rods, 7- upper brackets, 8- curtains, the right vertical tubes of 9-, the second cylinders of 91-, 911- third locating slots, 92- second
Column, 10- shells.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
As shown in Figures 1 to 5, a kind of computer teaching portable translucent screen including left vertical tube 6, right vertical tube 9, is used
In two supporting legs and the curtain 8 between left vertical tube 6 and right vertical tube 9 of installing left vertical tube 6 and right vertical tube 9, the left side
The top and bottom of vertical tube 6 and right vertical tube 9 correspondence is equipped with upper bracket 7 and undersetting 5；The left vertical tube 6 includes being mounted on
Accordingly the first column 61 between upper bracket 7 and undersetting 5, the first rotating shaft that can be rotatably mounted on the first column 61
62nd, the first cylinder 63 outside first rotating shaft 62 and on the first cylinder 63 for first rotating shaft 62 to be driven to rotate
The first power source of ground；The right side opening of first cylinder 63 is equipped with the first strip through-hole passed through for curtain 8；The first rotating shaft
The first limiting slot for being clamped 8 end of curtain is offered on 62；The right vertical tube 9 includes being mounted on corresponding upper bracket 7 under
The second column 92 between bearing 5 and the second cylinder 91 outside the second column 92；It opens in the left side of second cylinder 91
Equipped with the second strip through-hole passed through for curtain 8；The second limit for being clamped 8 end of curtain is offered on second column 92
Position slot；The supporting leg includes bottom plate 1, can stretch mounted on the universal wheel 2 of 1 bottom of bottom plate and above bottom plate 1
Lifting gear 3；The upper end of the lifting gear 3 is equipped with support plate 4, and the undersetting 5 is mounted in support plate 4；Described
The front side of one cylinder 63 offers several groups of locating slots, and every group of locating slot includes the first locating slot 631 and positioned at the first locating slot
The second locating slot 632 immediately below 631；Connecting rod 64, the company are installed on first locating slot 631 and the second locating slot 632
The both ends of extension bar 64 are respectively equipped with and the first locating slot 631,632 matched locating piece of the second locating slot；Second cylinder
The third locating slot 911 identical with the second locating slot 632 is offered on 91 at the position of the first locating slot of face 631.
Preferably, the bottom plate 1 is U-shaped board, and bottom offers mounting groove 11 in U-shaped board, is equipped in mounting groove 11 slow
Spring 12 is rushed, the upper end of buffer spring 12 is connect with the bottom of lifting gear 3, can reduce the vibration in moving process.
Preferably, in the U-shaped board cushion 13 is symmetrically installed on two side.
Preferably, the lifting gear 3 includes electric telescopic rod and is used to drive electric telescopic rod on bottom plate 1
Second power source.
Preferably, further include the shell 10 that left vertical tube 6 and right vertical tube 9 can be surrounded, the shell 10 include front housing and
Rear shell, the left end of front housing and the left end of rear shell are hinged；The right end of front housing is equipped with several protrusions, the right side of the rear shell
End offers and the matched recessed portion of protrusion.Adding for shell 10 can protect left vertical tube 6 and right vertical tube 9, it is ensured that
It is collided in carrying process by other objects.
As shown in figure 5, under normal condition (when not in use), two universal wheels 2 are in locking state.In use, first by ten thousand
It is opened to wheel 2, and whole device is moved to the occasion of needs.Then the protrusion of shell 10 is taken out from recessed portion, and
Entire shell 10 is removed, as shown in Figure 4.The right end of connecting rod 64 is removed, and rotary clamping from third locating slot 911 again
In the second locating slot 632.Then, start the first power source, while right vertical tube 9 is moved to the direction far from left vertical tube 6, directly
It is fully extended to curtain 8.Finally, start the second power source control electric telescopic rod and extend to desired height, such as Fig. 1 institutes
Show.It is of course also possible to which first starting the second power source control electric telescopic rod extends to desired height, then connecting rod 64 is removed, open
Dynamic first power source, and right vertical tube 9 is moved to the direction far from left vertical tube 6, until curtain 8 is fully extended.It, can after use
Reverse order according to above-mentioned expansion process is received and kept.Finally, the present invention can facilitate realization to throw by the cooperation of all parts
Shadow instrument replaces use during place, easy to carry.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (5)
1. a kind of computer teaching portable translucent screen, which is characterized in that including left vertical tube (6), right vertical tube (9), be used for
Two supporting legs of left vertical tube (6) and right vertical tube (9) and the curtain between left vertical tube (6) and right vertical tube (9) are installed
(8), the top and bottom of the left vertical tube (6) and right vertical tube (9) correspondence is equipped with upper bracket (7) and undersetting (5)；
The left vertical tube (6) including be mounted between corresponding upper bracket (7) and undersetting (5) the first column, can be rotationally
It first rotating shaft on the first column, the first cylinder outside first rotating shaft and is used on the first cylinder
Drive first rotating shaft rotationally the first power source；The right side opening of first cylinder is equipped with the first bar shaped passed through for curtain (8)
Through-hole；The first limiting slot for being clamped curtain (8) end is offered in the first rotating shaft；
The right vertical tube (9) is vertical including the second column for being mounted between corresponding upper bracket (7) and undersetting (5) and positioned at second
The second cylinder outside column；The second strip through-hole passed through for curtain (8) is offered on the left of second cylinder；Described second
The second limiting slot for being clamped curtain (8) end is offered on column；
The supporting leg includes bottom plate (1), can mounted on the universal wheel (2) of bottom plate (1) bottom and above the bottom plate (1)
Flexible lifting gear (3)；
The upper end of the lifting gear is equipped with support plate (4), and the undersetting (5) is in support plate (4)；
Several groups of locating slots are offered on front side of first cylinder, every group of locating slot includes the first locating slot and determine positioned at first
The second locating slot immediately below the slot of position；Connecting rod, the both ends of the connecting rod are installed on the first locating slot and the second locating slot
It is respectively equipped with and the first locating slot, the matched locating piece of the second locating slot；The first locating slot of face on second cylinder
The third locating slot identical with the second positioning slot structure is offered at position.
A kind of 2. computer teaching portable translucent screen as described in claim 1, which is characterized in that the bottom plate (1)
For U-shaped board, bottom offers mounting groove (11) in U-shaped board, and buffer spring (12), buffer spring are equipped in mounting groove (11)
(12) upper end is connect with the bottom of lifting gear (3).
3. a kind of computer teaching portable translucent screen as claimed in claim 2, which is characterized in that in the U-shaped board
Cushion (13) is symmetrically installed on two side.
A kind of 4. computer teaching portable translucent screen as described in claim 1, which is characterized in that the lifting gear
(3) it is used to drive the second power source of electric telescopic rod including electric telescopic rod and on bottom plate (1).
5. a kind of computer teaching portable translucent screen as described in claim 1, which is characterized in that further including can incite somebody to action
The shell (10) that left vertical tube (6) and right vertical tube (9) are surrounded, the shell (10) include front housing and rear shell, and the left end of front housing is with after
The left end of shell is hinged；The right end of front housing is equipped with several protrusions, and the right end of the rear shell offers and protrusion phase
The recessed portion of cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106841.9A CN108172035B (en) | 2018-02-02 | 2018-02-02 | Portable projection screen is used in computer teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106841.9A CN108172035B (en) | 2018-02-02 | 2018-02-02 | Portable projection screen is used in computer teaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108172035A true CN108172035A (en) | 2018-06-15 |
| CN108172035B CN108172035B (en) | 2020-02-21 |
Family
ID=62513203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810106841.9A Active CN108172035B (en) | 2018-02-02 | 2018-02-02 | Portable projection screen is used in computer teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108172035B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112863257A (en) * | 2021-01-21 | 2021-05-28 | 菏泽学院 | Case analysis device for political and economic teaching |
| CN113992899A (en) * | 2021-10-21 | 2022-01-28 | 浙江科比特科技有限公司 | Unmanned aerial vehicle passes back image composite graph equipment in real time |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2185905Y (en) * | 1994-05-31 | 1994-12-21 | 陈建军 | Folding back transparent type polyester fibre projection screen |
| CN101038432A (en) * | 2006-02-14 | 2007-09-19 | 精工爱普生株式会社 | Portable projection screen assembly |
| CN102243429A (en) * | 2011-06-16 | 2011-11-16 | 中国科学院福建物质结构研究所 | Portable screen of micro projector |
| CN204347422U (en) * | 2015-01-20 | 2015-05-20 | 临沂大学 | A kind of computer teaching Scroll projection screen |
| CN105372921A (en) * | 2015-12-15 | 2016-03-02 | 重庆触视科技有限公司 | Portable projection screen |
| CN205844733U (en) * | 2016-07-19 | 2016-12-28 | 中国人民解放军空军勤务学院 | A kind of teaching projection screen |
| CN107219717A (en) * | 2017-06-19 | 2017-09-29 | 冯雪 | Projection screen display device is used in teaching |
-
2018
- 2018-02-02 CN CN201810106841.9A patent/CN108172035B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2185905Y (en) * | 1994-05-31 | 1994-12-21 | 陈建军 | Folding back transparent type polyester fibre projection screen |
| CN101038432A (en) * | 2006-02-14 | 2007-09-19 | 精工爱普生株式会社 | Portable projection screen assembly |
| CN102243429A (en) * | 2011-06-16 | 2011-11-16 | 中国科学院福建物质结构研究所 | Portable screen of micro projector |
| CN204347422U (en) * | 2015-01-20 | 2015-05-20 | 临沂大学 | A kind of computer teaching Scroll projection screen |
| CN105372921A (en) * | 2015-12-15 | 2016-03-02 | 重庆触视科技有限公司 | Portable projection screen |
| CN205844733U (en) * | 2016-07-19 | 2016-12-28 | 中国人民解放军空军勤务学院 | A kind of teaching projection screen |
| CN107219717A (en) * | 2017-06-19 | 2017-09-29 | 冯雪 | Projection screen display device is used in teaching |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112863257A (en) * | 2021-01-21 | 2021-05-28 | 菏泽学院 | Case analysis device for political and economic teaching |
| CN112863257B (en) * | 2021-01-21 | 2022-04-29 | 菏泽学院 | Case analysis device for political and economic teaching |
| CN113992899A (en) * | 2021-10-21 | 2022-01-28 | 浙江科比特科技有限公司 | Unmanned aerial vehicle passes back image composite graph equipment in real time |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108172035B (en) | 2020-02-21 |
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