CN208969421U - A kind of language teaching multi-media classroom projection screen - Google Patents
A kind of language teaching multi-media classroom projection screen Download PDFInfo
- Publication number
- CN208969421U CN208969421U CN201821448012.0U CN201821448012U CN208969421U CN 208969421 U CN208969421 U CN 208969421U CN 201821448012 U CN201821448012 U CN 201821448012U CN 208969421 U CN208969421 U CN 208969421U
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- China
- Prior art keywords
- projection screen
- mounting
- mounting shell
- fixed plate
- shaft
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- 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.)
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Abstract
The utility model discloses a kind of language teaching multi-media classroom projection screens, including fixed plate, drawstring, retracting set, spool bars and card slot, the bottom of the fixed plate is equipped with lower supporting plate, and the two sides of fixed back are all equipped with mounting plate, the back side of fixed plate is equipped with three groups of mounting bars between the mounting plate, central position at the top of the fixed plate is equipped with mounting shell, the both ends of the mounting shell are all equipped with shaft mounting shell, and the inside of shaft mounting shell is equipped with rotary shaft by shaft, the lower plastic edge is fixedly installed on sliding slot by sliding block.The sliding slot and slide block structure of the utility model setting enable projection screen to move up and down along vertical direction, projection screen is avoided to shift, the buckle and card slot of setting projection screen can be fixed, reduce the probability of shaking, and then improve stability, the adjusting that the drawstring of the retracting of setting can be gone up and down according to demand, conveniently operates with.
Description
Technical field
The utility model relates to multimedia teaching field, specially a kind of language teaching multi-media classroom projection screen.
Background technique
With the development of the times, people's lives level constantly improves, and multimedia teaching refers in teaching process, root
The characteristics of according to instructional objective and teaching object, reasonably selects and uses Modern Teaching Medium, and teach with tradition by Instructional Design
A section organic assembling is learned to do, participates in whole course of teaching jointly, with media information function in student, forms reasonable teaching process
Structure, the teaching efficiency for being optimal, however, on the one hand existing multi-media classroom projection screen its stability when in use
Difference, can especially generate shaking when teacher's pointer is encountered, and when use is inconvenient, and on the other hand traditional projection screen can only allow screen
Draw to bottom, naturally droop and do not fix, be easy to happen shaking, be unfavorable for imparting knowledge to students, it is therefore necessary to the prior art into
Row improves, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of language teaching multi-media classroom projection screens, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of language teaching multi-media classroom projection
Screen, including fixed plate, drawstring, retracting set, spool bars and card slot, the bottom of the fixed plate are equipped with lower supporting plate, and solid
The two sides at the fixed board back side are all equipped with mounting plate, and the back side of fixed plate is equipped with three groups of mounting bars between the mounting plate, described
Central position at the top of fixed plate is equipped with mounting shell, and the both ends of the mounting shell are all equipped with shaft mounting shell, and shaft
The inside of mounting shell is equipped with rotary shaft by shaft, and the outer surface of the rotary shaft is cased with retracting set, and retracting puts on installation
There are the drawstring extended to below shaft mounting shell, the spool bars being equipped with inside mounting shell between the rotary shaft, and rolls up
Retracting has projection screen on shaft, and the bottom of the projection screen is equipped with lower plastic edge, and the two sides of lower plastic edge bottom are all
Buckle is installed, sound equipment mounting groove is installed at the top of the mounting shell, the inside of the sound equipment mounting groove is equipped with sound equipment, and
The side of sound equipment is equipped with sound equipment connecting line, and the positive central position of fixed plate is equipped with board, and board
Two sides are all equipped with sliding slot, and the lower plastic edge is fixedly installed on sliding slot by sliding block.
Preferably, shaft mounting shell bottom is equipped with outlet slot at the drawstring position.
Preferably, the front of the sound equipment is equipped with dust cover.
Preferably, the lower supporting plate of the buckle corresponding position is equipped with card slot.
Preferably, installation screw is equidistantly distributed on the mounting bar.
Compared with prior art, the utility model has the beneficial effects that the language teaching multi-media classroom projection screen is set
The sliding slot and slide block structure set enable projection screen to move up and down along vertical direction, avoid projection screen
Offset, the buckle and card slot of setting projection screen can be fixed, and reduce the probability of shaking, and then improve stabilization
Property, the adjusting that the drawstring of the retracting of setting can be gone up and down according to demand conveniently operates with, and then improves and carried out device
Flexibility, the sound equipment of setting can be attached with video player, and then save the expense in addition purchasing stereo set,
And sound equipment is combined with screen more convenient to use, the practicability of device is improved, convenient for promoting the use of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the projection screen expanded view of the utility model；
Fig. 3 is the structure schematic diagram of the utility model.
In figure: 1, lower supporting plate；2, fixed plate；3, sliding slot；4, mounting plate；5, drawstring；6, lower plastic edge；7, shaft is installed
Shell；8, rotary shaft；9, retracting set；10, sound equipment mounting groove；11, sound equipment；12, sound equipment connecting line；13, mounting shell；14, spool bars；
15, projection screen；16, it buckles；17, board；18, card slot；19, installation screw；20, mounting bar.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of language teaching multi-media classroom projection screen
Curtain, including fixed plate 2, drawstring 5, retracting set 9, spool bars 14 and card slot 18, the bottom of fixed plate 2 are equipped with lower supporting plate 1, and
The two sides at 2 back side of fixed plate are all equipped with mounting plate 4, and the back side of fixed plate 2 is equipped with three groups of mounting bars 20 between mounting plate 4,
Mounting bar 20 is convenient for the fixed installation of device, and installation screw 19, the center at 2 top of fixed plate are equidistantly distributed on mounting bar 20
Mounting shell 13 is installed, the both ends of mounting shell 13 are all equipped with shaft mounting shell 7, and the inside of shaft mounting shell 7 is logical at position
It crosses shaft and rotary shaft 8 is installed, 7 bottom of shaft mounting shell is equipped with outlet slot at 5 position of drawstring, and the outer surface of rotary shaft 8 is cased with
Retracting set 9, and the drawstring 5 for being equipped on set 9 and extending to 7 lower section of shaft mounting shell is furled, retracting set 9 is convenient for the use of drawstring 5,
The spool bars 14 being equipped between rotary shaft 8 inside mounting shell 13, and retracting has projection screen 15, spool on spool bars 14
Bar 14 is convenient for the retracting of projection screen 15, and the bottom of projection screen 15 is equipped with lower plastic edge 6, and the two of 6 bottom of lower plastic edge
Side is all equipped with buckle 16, and the lower supporting plate 1 of 16 corresponding positions of buckle is equipped with card slot 18, and the top of mounting shell 13 is equipped with
Sound equipment mounting groove 10, the inside of sound equipment mounting groove 10 is equipped with sound equipment 11, and the side of sound equipment 11 is equipped with sound equipment connecting line 12,
Sound equipment 11 can carry out audio broadcasting, and the front of sound equipment 11 is equipped with dust cover, and the positive central position of fixed plate 2 is equipped with
Board 17, and the two sides of board 17 are all equipped with sliding slot 3, lower plastic edge 6 is fixedly installed on sliding slot 3 by sliding block.
Working principle: when installation, fixed plate 2 is fixedly mounted on by teaching region by mounting bar 20 according to demand, when need
Projection screen 15 is opened by drawstring 5 when using to projection screen 15, it then again will throwing by buckle 16 and card slot 18
Shadow screen 15 is fixed on the front of board 17, can pass through sound equipment connecting line 12 in use process according to demand for sound equipment 11
It is attached with playback equipment, when needing to use board 17, by drawstring 5 by 15 pull-up of projection screen.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of language teaching multi-media classroom projection screen, including fixed plate (2), drawstring (5), retracting set (9), spool bars
(14) and card slot (18), it is characterised in that: the bottom of the fixed plate (2) is equipped with lower supporting plate (1), and fixed plate (2) is carried on the back
The two sides in face are all equipped with mounting plate (4), and the back side of fixed plate (2) is equipped with three groups of mounting bars between the mounting plate (4)
(20), the central position at the top of the fixed plate (2) is equipped with mounting shell (13), and the both ends of the mounting shell (13) are all installed
Have shaft mounting shell (7), and the inside of shaft mounting shell (7) is equipped with rotary shaft (8) by shaft, the rotary shaft (8)
Outer surface is cased with retracting set (9), and furls and be equipped with the drawstring (5) extended to below shaft mounting shell (7) on set (9), described
The spool bars (14) internal positioned at mounting shell (13) are installed, and retracting has projection screen on spool bars (14) between rotary shaft (8)
Curtain (15), the bottom of the projection screen (15) is equipped with lower plastic edge (6), and the two sides of lower plastic edge (6) bottom are all installed
Have buckle (16), is equipped with sound equipment mounting groove (10) at the top of the mounting shell (13), the inside of the sound equipment mounting groove (10)
It is equipped with sound equipment (11), and the side of sound equipment (11) is equipped with sound equipment connecting line (12), the positive central position of the fixed plate (2)
The place of setting is equipped with board (17), and the two sides of board (17) are all equipped with sliding slot (3), and the lower plastic edge (6) passes through cunning
Block is fixedly installed on sliding slot (3).
2. a kind of language teaching multi-media classroom projection screen according to claim 1, it is characterised in that: the drawstring
(5) shaft mounting shell (7) bottom is equipped with outlet slot at position.
3. a kind of language teaching multi-media classroom projection screen according to claim 1, it is characterised in that: the sound equipment
(11) front is equipped with dust cover.
4. a kind of language teaching multi-media classroom projection screen according to claim 1, it is characterised in that: the buckle
(16) lower supporting plate (1) of corresponding position is equipped with card slot (18).
5. a kind of language teaching multi-media classroom projection screen according to claim 1, it is characterised in that: the mounting bar
(20) installation screw (19) are equidistantly distributed on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821448012.0U CN208969421U (en) | 2018-09-04 | 2018-09-04 | A kind of language teaching multi-media classroom projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821448012.0U CN208969421U (en) | 2018-09-04 | 2018-09-04 | A kind of language teaching multi-media classroom projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208969421U true CN208969421U (en) | 2019-06-11 |
Family
ID=66754589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821448012.0U Expired - Fee Related CN208969421U (en) | 2018-09-04 | 2018-09-04 | A kind of language teaching multi-media classroom projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208969421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296344A (en) * | 2021-04-23 | 2021-08-24 | 芜湖宏嘉科技有限公司 | Teaching auxiliary device for intelligent teaching system |
-
2018
- 2018-09-04 CN CN201821448012.0U patent/CN208969421U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296344A (en) * | 2021-04-23 | 2021-08-24 | 芜湖宏嘉科技有限公司 | Teaching auxiliary device for intelligent teaching system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 Termination date: 20210904 |