CN110451356A - A kind of computer teaching projection screen wrap-up - Google Patents
A kind of computer teaching projection screen wrap-up Download PDFInfo
- Publication number
- CN110451356A CN110451356A CN201910721020.0A CN201910721020A CN110451356A CN 110451356 A CN110451356 A CN 110451356A CN 201910721020 A CN201910721020 A CN 201910721020A CN 110451356 A CN110451356 A CN 110451356A
- Authority
- CN
- China
- Prior art keywords
- curtain
- projection screen
- winding
- computer teaching
- winding 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims abstract description 62
- 238000004140 cleaning Methods 0.000 claims abstract description 34
- 230000000712 assembly Effects 0.000 claims abstract description 24
- 238000000429 assembly Methods 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000003670 easy-to-clean Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4486—Electric motors
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of computer teaching projection screen wrap-ups.It includes winding component and in winding component cooperation for carrying out clean cleaning assemblies to curtain for what is wound to curtain, winding component includes winding shaft, the reel for being used to wind curtain being mounted in winding shaft and the driving gear being mounted in winding shaft, cleaning assemblies includes rotation axis, the brush tube and driven gear of installation on the rotating shaft, winding shaft and rotation axis are arranged in parallel and the hairbrush on brush tube can be made to clean curtain surface, one end of winding shaft is connected with a driving motor, it is intermeshed between driving gear and driven gear, so as to rotate synchronously brush tube and reel.The advantage is that: maintenance replacement is convenient and efficient；It is easy to clean, while cleaning, it can be rotated by the brush tube of different directions and smooth the possible fold in curtain surface, using more cleaning, wind more smooth stabilization.
Description
Technical field
The present invention relates to a kind of computer teaching device, specifically a kind of computer teaching is wound with projection screen
Device.
Background technique
During daily computer teaching, the essential screen using curtain as projection, in the prior art,
Common curtain is gone up and down by motor driven, and in use, curtain is inevitably infected with above because being placed in external environment
Many dusts, in use, the problems such as also inevitably having fold generation, in order to keep curtain surface cleaning, to curtain
It carries out in use, only manually being cleaned in the winding of projection screen, certainly, in order to avoid this complexity
Operation also has a small amount of device that can increase by row's hairbrush in batching entrance, and still, this mode is simply coarse and crude, and cleaning effect is simultaneously
It is bad, and after long-term use, the repair and maintenance of curtain is also not convenient enough, and this reduces the use feelings of device.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of cleaning effects, and good, maintenance is replaced simple and convenient and can guarantee curtain
The smooth stable computer teaching projection screen wrap-up of cloth.
In order to solve the above-mentioned technical problem, computer teaching of the invention projection screen wrap-up, including for pair
The winding component and be used to carry out clean cleaning assemblies, winding group to curtain in winding component cooperation that curtain is wound
Part includes winding shaft, the reel for being used to wind curtain being mounted in winding shaft and being mounted on to wind shaft
Driving gear, cleaning assemblies includes rotation axis, installation brush tube and driven gear on the rotating shaft, winding shaft and is turned
Moving axis is arranged in parallel and the hairbrush on brush tube can be made to clean curtain surface, and the one end for winding shaft is connected with one
Driving motor is intermeshed between driving gear and driven gear, so as to rotate synchronously brush tube and reel.
The cleaning assemblies is provided with two groups, and two groups of cleaning assemblies are arranged in parallel in the lower section of winding component.
The winding component and cleaning assemblies are mounted in a shell, and the winding shaft and rotation axis pass through bearing
Horizontally rotate and be mounted in shell, the driving motor is fixedly mounted on shell.
The reel socket is fixed in winding shaft, and the both ends of the reel are symmetrically arranged with postive stop baffle, institute
The outside that driving gear is fixedly mounted in winding shaft and is located at reel is stated, the brush tube, which is sleeved and fixed, to be arranged in rotation axis
On, the outside on the rotating shaft and being located at brush tube is fixedly mounted in the driven gear.
The opening that curtain can be made to pass through is provided in the middle part of the lower end of the shell, the opening is located at two groups of cleaning assemblies
Two brush tubes between.
Access cover is installed at the top of the shell.
The driving motor uses Mitsubishi's servo motor, and the driving motor is fixedly mounted on the outer of shell by mounting base
Side, the output shaft of the driving motor passes through the side wall of shell and winding shaft is fixedly mounted.
Protective cover is provided with outside the driving motor, the protective cover end is fixedly connected on the outer of shell by fastener
Side, the right side of the protective cover, which is uniformly run through, is distributed with multiple groups heat release hole.
Card slot is provided on the reel, the relative inner Symmetrical vertical of the postive stop baffle of two sides is provided with to be cooperated with card slot
Sliding groove, strip is installed on the card slot, the both ends of the strip are respectively protruding into the sliding groove of two sides, the strip
Be provided with spring between upside both ends and the interior upper wall of sliding groove, the upper end of the curtain be mounted on the card slot and strip it
Between.
Between two brush tubes that the curtain passes through two groups of cleaning assemblies and stretch out outside opening, the curtain lower edge
It is fixedly installed with metallic rod, is provided with annulus in the middle part of the lower end of the metallic rod.
The present invention has the advantages that
1, the upper end of curtain is compressed by strip and card slot cooperation, and spring compression strip cooperates card slot when using in this way, thus curtain
The upper end of cloth is not easily to fall off, and when maintenance is pulled upwardly strip, and spring is gradually compressed, so that it may by curtain upper end from strip and card
It is taken out between slot, maintenance replacement is convenient and efficient；
2, winding shaft is driven to rotate using driving motor, the curtain for being wrapped in reel periphery can be according to driving motor driving
Rotation direction is rolled-up or puts down, and when curtain is rolled-up or is put down, and driving gear and winding shaft rotate synchronously, driving tooth
Wheel and driven gear engaged transmission, driven gear rotation can drive the brush tube of rotation axis and rotation axis periphery to rotate, this
Sample brush tube can be located at the two sides of curtain and clean to it, while cleaning, can pass through different directions
Brush tube rotation smooths the possible fold in curtain surface, using more cleaning, winds more smooth stabilization.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of computer teaching projection screen wrap-up of the present invention；
Fig. 2 is the Section A-A structural schematic diagram of Fig. 1；
Fig. 3 is the structural schematic diagram of reel in the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~2, the computer teaching projection screen wrap-up of the present embodiment, including for curtain into
The winding component of row winding and in winding component cooperation for carrying out clean cleaning assemblies to curtain, winding component and clear
Clean component is mounted in a shell 1, winding component include wind shaft 3, be mounted on winding shaft on for curtain 6 into
The reel 4 of row winding and the driving gear 5 being mounted in winding shaft, are winding specifically, reel 4 is sleeved and fixed setting
In shaft 3, the both ends of reel 4 are symmetrically arranged with postive stop baffle 41, and curtain 6 is wrapped in 4 periphery of reel, the fixed peace of driving gear 5
In winding shaft 3 and positioned at the outside of reel 4, cleaning assemblies includes rotation axis 8, the brush tube 10 of installation on the rotating shaft
And driven gear 9, it is arranged in rotation axis 8 specifically, brush tube 10 is sleeved and fixed, driven gear 9, which is fixedly mounted on, to be turned
Outside on moving axis 8 and positioned at brush tube 10, winding shaft 3 and rotation axis 8, which are horizontally rotated by bearing, is mounted on shell 1
It is interior, it winds shaft 3 and rotation axis 8 is arranged in parallel and the hairbrush on brush tube 10 can be made to clean 6 surface of curtain, wind
The right-hand end of shaft 3 is connected with the driving motor being fixedly mounted on shell 11, and driving motor 11 is using Mitsubishi's servo electricity
Machine MR-J3 series, driving motor 11 are fixedly mounted on the right side of shell by mounting base riveting, and the output shaft of driving motor 11 is living
Dynamic that installation is welded and fixed through the right sidewall of shell and the right end of winding shaft 3, the control route connection of driving motor 11 is built
Interior standing power supply is built, driving motor 11 drives winding shaft 3 to rotate synchronously after driving, phase between driving gear 5 and driven gear 9
Mutually engagement is socketed outside driving motor 11 so as to rotate synchronously brush tube 10 and reel 4 and is provided with protective cover 12, protect
The end of cover 12 is fixedly connected in the right sidewall of shell by riveting method, and the right side of protective cover 12, which is uniformly run through, to be distributed with
Multiple groups heat release hole 13, the lower end middle part of shell 1 is horizontal to be provided through the opening 7 that curtain can be made to pass through, 7 length that are open and volume
4 length of cylinder are suitable, and for curtain 6 by brush tube 10 downwards and by opening 7, the lower edge sewing of curtain 6 is fixed with metallic rod
61, the welding of 61 lower end of metallic rod middle part is equipped with annulus 62.
Embodiment two:
Fig. 1~2, the computer teaching projection screen wrap-up of the present embodiment are please referred to, including is used to receive curtain
Volume winds component and in winding component cooperation for carrying out clean cleaning assemblies, winding component and cleaning group to curtain
Part is mounted in a shell 1, and the top of shell 1 is fixedly installed with access cover 2 by riveting method, and winding component includes winding
Shaft 3, the reel 4 for being used to wind curtain 6 being mounted in winding shaft and the active being mounted in winding shaft
Gear 5, as seen from the figure, reel 4 are sleeved and fixed the periphery that winding shaft 3 is arranged in, and 4 both ends of reel, which are symmetrically welded, is provided with limit
Baffle 41, winding shaft 3 are rotated synchronously with movable reel 4, and driving gear 5 is weldingly fixed on 3 periphery of winding shaft and is located at
The left side of reel 4, cleaning assemblies include rotation axis 8, the brush tube 10 and driven gear 9 of installation on the rotating shaft, as seen from the figure,
Brush tube 10 is sleeved and fixed setting in 8 periphery of rotation axis, and the welding of driven gear 9 setting is in 8 periphery of rotation axis and is located at brush tube
10 left sides, cleaning assemblies are provided with two groups, and two groups of cleaning assemblies are arranged in parallel in the lower section of winding component, wind shaft 3 and turn
Moving axis 8 is arranged in parallel and the hairbrush on brush tube 10 can be made to clean 6 surface of curtain, as seen from the figure, winds 3 He of shaft
The triangle disposition arrangement that two rotation axis 8 are isodistantly spaced, one end of winding shaft 3 are connected with one and are fixedly mounted on shell
Driving motor 11, cooperate simultaneously engaged transmission between driving gear 5 and driven gear 9, so as to make brush tube 10 and volume
Cylinder 4 rotates synchronously, and 5 radius of driving gear is 1.3 times of 9 radius of driven gear, the corresponding activity of the bristle on two sides brush tube 10
Fitting, the lower end middle part of shell 1 is horizontal to be provided through the opening 7 that curtain can be made to pass through, 7 length that are open and 4 length of reel
Quite, opening 7 is located between two brush tubes 10 of two groups of cleaning assemblies, and curtain 6 passes through two hairbrush of two groups of cleaning assemblies
It between cylinder 10 and stretches out outside opening 7, in order to improve curtain 6 in daily maintenance replacement efficiency and improve stabilization in use
Property, on the basis of embodiment 1, the insertion of the upper end level of reel 4 is provided with card slot 42, the postive stop baffle 41 of two sides relatively in
Symmetrical vertical insertion in side is provided with the sliding groove 43 cooperated with card slot 42, and sliding groove 43 and 42 both ends of card slot are aligned, on card slot 42
Strip 44 is installed, rubber press strip of the strip 44 by being located at the horizon bar of upside and positioned at downside, which is adhesively fixed, to be formed, strip
The both ends of 44 horizon bar are respectively protruding into the sliding groove 43 of two sides and slidable fit, and the rubber press strip and card slot 42 of strip 44 are logical
Clearance fit flexible connection is crossed, spring 45 is provided between the upside both ends of strip 44 and the interior upper wall of sliding groove 43, curtain 6
Upper end is mounted between card slot 42 and strip 44, and 6 upper end of curtain passes through clearance fit pressure by the rubber press strip and card slot 42
Tightly.
Its working principle is that:
In use, the upper end of curtain 6 is compressed by strip 44 and the cooperation of card slot 42, spring 45 compresses strip 44 and matches when using in this way
Card slot 42 is closed, so that the upper end of curtain 6 is not easily to fall off, when maintenance is pulled upwardly strip 44, and spring 45 is gradually compressed, so that it may
6 upper end of curtain is taken out between strip 44 and card slot 42, maintenance replacement is convenient and efficient, and driving driving motor 11 drives winding to turn
Axis 3 rotates, and the curtain 6 for being wrapped in 4 periphery of reel can be rolled-up or put down according to the rotation direction that driving motor 11 drives, and
When curtain 6 is rolled-up or puts down, driving gear 5 and winding shaft 3 are rotated synchronously, and driving gear 5 and the engagement of driven gear 9 pass
Dynamic, driven gear 9, which rotates, can drive the brush tube 10 of 8 periphery of rotation axis 8 and rotation axis to rotate, and such brush tube 10 can be with
It is located at the two sides of curtain 6 and it is cleaned, while cleaning, can be rotated by the brush tube 10 of different directions
The possible fold in 6 surface of curtain is smoothed, using more cleaning, winds more smooth stabilization.
The standardized element that the present invention uses can commercially, and shaped piece is according to specification and attached drawing note
Load can carry out customized, and the specific connection type of each part is all made of in the prior art mature bolt, rivet, welding etc.
Conventional means, mechanical, part and equipment are all made of in the prior art, conventional model, in addition circuit connection uses the prior art
Middle conventional connection type, this will not be detailed here.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of computer teaching projection screen wrap-up, it is characterised in that: including the receipts for being wound to curtain
Wound module and in winding component cooperation for carrying out clean cleaning assemblies to curtain, the winding component includes winding turn
Axis (3) is mounted on the reel (4) for being used to wind curtain (6) wound in shaft and is mounted in winding shaft
Driving gear (5), the cleaning assemblies include rotation axis (8), the brush tube (10) and driven gear of installation on the rotating shaft
(9), winding shaft (3) and the rotation axis (8) are arranged in parallel and the hairbrush on brush tube (10) can be made to curtain (6)
Surface is cleaned, and one end of winding shaft (3) is connected with a driving motor (11), the driving gear (5) and from
Moving gear is intermeshed between (9), so as to rotate synchronously brush tube (10) and reel (4).
2. computer teaching described in accordance with the claim 1 projection screen wrap-up, it is characterised in that: the cleaning assemblies
Two groups are provided with, two groups of cleaning assemblies are arranged in parallel in the lower section of winding component.
3. computer teaching according to claim 1 or 2 projection screen wrap-up, it is characterised in that: the winding
Component and cleaning assemblies are mounted in a shell (1), and the winding shaft (3) and rotation axis (8) are turned by bearing level
Dynamic to be mounted in shell (1), the driving motor is fixedly mounted on shell.
4. computer teaching described in accordance with the claim 3 projection screen wrap-up, it is characterised in that: the reel (4)
Setting is sleeved and fixed in winding shaft (3), the both ends of the reel (4) are symmetrically arranged with postive stop baffle (41), the active
Gear (5) is fixedly mounted on the outside in winding shaft (3) and being located at reel (4), and the brush tube (10) is sleeved and fixed setting
On rotation axis (8), the driven gear (9) is fixedly mounted on the outside on rotation axis (8) and being located at brush tube (10).
5. according to computer teaching projection screen wrap-up described in claim 1,2 or 4, it is characterised in that: the shell
It is provided with the opening (7) that curtain can be made to pass through in the middle part of the lower end of body (1), the opening (7) is located at the two of two groups of cleaning assemblies
Between a brush tube (10).
6. computer teaching projection screen wrap-up according to claim 5, it is characterised in that: the shell (1)
Top access cover (2) are installed.
7. according to computer teaching projection screen wrap-up described in claim 1,2,4 or 6, it is characterised in that: described
Driving motor (11) uses Mitsubishi's servo motor, and the driving motor (11) is fixedly mounted on the outside of shell by mounting base,
The output shaft of the driving motor (11) passes through the side wall of shell and winding shaft (3) is fixedly mounted.
8. computer teaching projection screen wrap-up according to claim 7, it is characterised in that: the driving motor
(11) it is provided with protective cover (12) outside, protective cover (12) end is fixedly connected on the outside of shell by fastener, described
The right side of protective cover (12), which is uniformly run through, is distributed with multiple groups heat release hole (13).
9. according to computer teaching projection screen wrap-up described in claim 1,2,4,6 or 8, it is characterised in that: institute
It states and is provided on reel (4) card slot (42), the relative inner Symmetrical vertical of the postive stop baffle (41) of two sides is provided with and card slot
(42) sliding groove (43) cooperated is equipped with strip (44) on the card slot (42), and the both ends of the strip (44) are respectively protruding into
In the sliding groove (43) of two sides, spring is provided between the upside both ends of the strip (44) and the interior upper wall of sliding groove (43)
(45), the upper end of the curtain (6) is mounted between the card slot (42) and strip (44).
10. computer teaching projection screen wrap-up according to claim 9, it is characterised in that: the curtain (6)
By between two brush tubes (10) of two groups of cleaning assemblies and stretching out opening (7) outside, the fixed peace of curtain (6) lower edge
Equipped with metallic rod (61), annulus (62) are provided in the middle part of the lower end of the metallic rod (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721020.0A CN110451356A (en) | 2019-08-06 | 2019-08-06 | A kind of computer teaching projection screen wrap-up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721020.0A CN110451356A (en) | 2019-08-06 | 2019-08-06 | A kind of computer teaching projection screen wrap-up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110451356A true CN110451356A (en) | 2019-11-15 |
Family
ID=68485030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910721020.0A Pending CN110451356A (en) | 2019-08-06 | 2019-08-06 | A kind of computer teaching projection screen wrap-up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110451356A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103752A (en) * | 2019-12-30 | 2020-05-05 | 盐城天锐先锋电子科技有限公司 | Radio frequency projection curtain lifting controller |
| CN111208704A (en) * | 2020-01-20 | 2020-05-29 | 河南中医药大学 | English translation auxiliary device |
| CN111301867A (en) * | 2020-04-01 | 2020-06-19 | 济宁市技师学院 | Multi-angle projection type computer display device |
| CN111640386A (en) * | 2020-06-09 | 2020-09-08 | 安徽励展文化科技有限公司 | Museum guide system based on VR |
| CN111965930A (en) * | 2020-09-02 | 2020-11-20 | 杭州晶瞳文化科技有限公司 | Intelligent projection curtain wall for new media science and technology |
| CN112102760A (en) * | 2020-10-27 | 2020-12-18 | 中拜出行科技股份有限公司 | Installation platform of luminous cloth for net appointment car advertisement |
| CN112916456A (en) * | 2021-01-13 | 2021-06-08 | 吴建华 | Vocational skill training is with explanation curtain shrink cleaning device |
| CN114249185A (en) * | 2020-09-23 | 2022-03-29 | 张家港宝视特影视器材有限公司 | Box is rolled up to automatically cleaning curtain |
| CN114326281A (en) * | 2020-09-30 | 2022-04-12 | 张家港宝视特影视器材有限公司 | High-efficient automatically cleaning curtain rolling structure |
| CN115751901A (en) * | 2022-11-11 | 2023-03-07 | 浙江祥邦科技股份有限公司 | Multi-support winding and drying equipment for photovoltaic adhesive film and rapid winding method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090266931A1 (en) * | 2008-04-24 | 2009-10-29 | Greg Gottschalk | Rolling door assembly and related methods |
| CN106940512A (en) * | 2017-05-04 | 2017-07-11 | 杜美玲 | It is a kind of from cleaning type teaching projection screen |
| CN206725953U (en) * | 2017-05-04 | 2017-12-08 | 朱秋恺 | It is a kind of from cleaning type teaching projection screen |
| CN208172487U (en) * | 2018-03-28 | 2018-11-30 | 河南工程学院 | A kind of English teaching multi-media classroom projection screen |
| KR101905729B1 (en) * | 2018-01-02 | 2018-11-30 | 이호영 | Apparatus for blocking fine dust |
| CN109127496A (en) * | 2018-08-31 | 2019-01-04 | 深圳市心版图科技有限公司 | A kind of information technology display screen cloth apparatus with cleaning function |
| CN208670513U (en) * | 2018-08-13 | 2019-03-29 | 齐齐哈尔大学 | A kind of portable projector curtain contraction structure |
| CN208761762U (en) * | 2018-10-05 | 2019-04-19 | 惠州市特乐影视设备有限公司 | A kind of screen wrap-up |
| CN208922050U (en) * | 2018-04-09 | 2019-05-31 | 深圳众赢时代科技有限公司 | A kind of projector curtain that can clear up dust automatically |
| CN109879099A (en) * | 2019-04-22 | 2019-06-14 | 杭州虹妍服饰有限公司 | A kind of hot pressing taking-up equipment of non-woven fabrics |
| CN209070297U (en) * | 2018-11-29 | 2019-07-05 | 咸阳师范学院 | A kind of VR equipment projection screen |
| CN211393407U (en) * | 2019-08-06 | 2020-09-01 | 镇江市高等专科学校 | Projection screen cloth coiling mechanism for computer teaching |
-
2019
- 2019-08-06 CN CN201910721020.0A patent/CN110451356A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090266931A1 (en) * | 2008-04-24 | 2009-10-29 | Greg Gottschalk | Rolling door assembly and related methods |
| CN106940512A (en) * | 2017-05-04 | 2017-07-11 | 杜美玲 | It is a kind of from cleaning type teaching projection screen |
| CN206725953U (en) * | 2017-05-04 | 2017-12-08 | 朱秋恺 | It is a kind of from cleaning type teaching projection screen |
| KR101905729B1 (en) * | 2018-01-02 | 2018-11-30 | 이호영 | Apparatus for blocking fine dust |
| CN208172487U (en) * | 2018-03-28 | 2018-11-30 | 河南工程学院 | A kind of English teaching multi-media classroom projection screen |
| CN208922050U (en) * | 2018-04-09 | 2019-05-31 | 深圳众赢时代科技有限公司 | A kind of projector curtain that can clear up dust automatically |
| CN208670513U (en) * | 2018-08-13 | 2019-03-29 | 齐齐哈尔大学 | A kind of portable projector curtain contraction structure |
| CN109127496A (en) * | 2018-08-31 | 2019-01-04 | 深圳市心版图科技有限公司 | A kind of information technology display screen cloth apparatus with cleaning function |
| CN208761762U (en) * | 2018-10-05 | 2019-04-19 | 惠州市特乐影视设备有限公司 | A kind of screen wrap-up |
| CN209070297U (en) * | 2018-11-29 | 2019-07-05 | 咸阳师范学院 | A kind of VR equipment projection screen |
| CN109879099A (en) * | 2019-04-22 | 2019-06-14 | 杭州虹妍服饰有限公司 | A kind of hot pressing taking-up equipment of non-woven fabrics |
| CN211393407U (en) * | 2019-08-06 | 2020-09-01 | 镇江市高等专科学校 | Projection screen cloth coiling mechanism for computer teaching |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103752A (en) * | 2019-12-30 | 2020-05-05 | 盐城天锐先锋电子科技有限公司 | Radio frequency projection curtain lifting controller |
| CN111208704A (en) * | 2020-01-20 | 2020-05-29 | 河南中医药大学 | English translation auxiliary device |
| CN111301867A (en) * | 2020-04-01 | 2020-06-19 | 济宁市技师学院 | Multi-angle projection type computer display device |
| CN111640386A (en) * | 2020-06-09 | 2020-09-08 | 安徽励展文化科技有限公司 | Museum guide system based on VR |
| CN111965930B (en) * | 2020-09-02 | 2022-02-08 | 杭州晶瞳文化科技有限公司 | Intelligent projection curtain wall for new media science and technology |
| CN111965930A (en) * | 2020-09-02 | 2020-11-20 | 杭州晶瞳文化科技有限公司 | Intelligent projection curtain wall for new media science and technology |
| CN114249185A (en) * | 2020-09-23 | 2022-03-29 | 张家港宝视特影视器材有限公司 | Box is rolled up to automatically cleaning curtain |
| CN114326281A (en) * | 2020-09-30 | 2022-04-12 | 张家港宝视特影视器材有限公司 | High-efficient automatically cleaning curtain rolling structure |
| CN112102760A (en) * | 2020-10-27 | 2020-12-18 | 中拜出行科技股份有限公司 | Installation platform of luminous cloth for net appointment car advertisement |
| CN112102760B (en) * | 2020-10-27 | 2022-05-24 | 中拜出行科技股份有限公司 | Installation platform of luminous cloth for net appointment car advertisement |
| CN112916456A (en) * | 2021-01-13 | 2021-06-08 | 吴建华 | Vocational skill training is with explanation curtain shrink cleaning device |
| CN112916456B (en) * | 2021-01-13 | 2023-04-28 | 福建省交通人力资源有限公司 | Teaching curtain contraction cleaning device for vocational skill training |
| CN115751901A (en) * | 2022-11-11 | 2023-03-07 | 浙江祥邦科技股份有限公司 | Multi-support winding and drying equipment for photovoltaic adhesive film and rapid winding method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110451356A (en) | A kind of computer teaching projection screen wrap-up | |
| CN112602038A (en) | Environment-friendly device for dissipating heat of computer display screen | |
| CN213277716U (en) | Dustproof equipment convenient for heat dissipation of transformer | |
| CN109538417A (en) | It is a kind of can be with the intelligent generating equipment of antioverloading and rain-proof | |
| CN115776057A (en) | High-voltage power box with protection function | |
| CN208261456U (en) | A kind of air-conditioning duct cleaning systems | |
| CN209459092U (en) | Air conditioner | |
| CN211393407U (en) | Projection screen cloth coiling mechanism for computer teaching | |
| CN208555161U (en) | A kind of monitoring display screen wiping arrangement easy to use | |
| CN207214345U (en) | The controllable automatic dust removing integrated apparatus of one kind ventilation | |
| CN209252709U (en) | A kind of sweeping robot | |
| CN208648267U (en) | A kind of garment production processing cloth wrap-up | |
| CN207116932U (en) | A kind of Rainproof outdoor switch cabinet | |
| CN215269759U (en) | Ventilation equipment is cultivateed to indoor plant | |
| CN201513100U (en) | Hidden sun-shading shutter | |
| CN208954411U (en) | A kind of internet product exploitation teaching training apparatus | |
| CN209710914U (en) | A kind of photovoltaic support frame of agricultural greenhouse | |
| CN208752389U (en) | A kind of electric folding gate-type projection screen | |
| CN207647863U (en) | A kind of fan dust-extraction unit and the fan with it | |
| CN109366526A (en) | A kind of mouth structure of bio-robot | |
| CN209960642U (en) | Air deflector internal and external tooth driving structure and mobile air conditioner thereof | |
| CN208006297U (en) | A kind of tire automatic fixture convenient for crawl | |
| CN113418269A (en) | Energy-concerving and environment-protective type air purifier | |
| CN208106784U (en) | A kind of fan easy to remove | |
| CN201495977U (en) | Anti-mosquito retractible screen window |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |