CN203858771U - Projection amplifying device for multimedia teaching of English - Google Patents
Projection amplifying device for multimedia teaching of English Download PDFInfo
- Publication number
- CN203858771U CN203858771U CN201420311814.2U CN201420311814U CN203858771U CN 203858771 U CN203858771 U CN 203858771U CN 201420311814 U CN201420311814 U CN 201420311814U CN 203858771 U CN203858771 U CN 203858771U
- Authority
- CN
- China
- Prior art keywords
- projector
- slide block
- convex mirror
- support bar
- universal 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.)
- Expired - Fee Related
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Abstract
The utility model relates to projection equipment and particularly to a projection amplifying device for multimedia teaching of English. The projection amplifying device comprises a bottom plate, a projector, a plane mirror and a convex mirror, wherein the projector, the plane mirror and the convex mirror are arranged on the bottom plate; the projection amplifying device further comprises a magnifying lens, a first universal shaft and a second universal shaft; a sliding groove is formed in the bottom plate; the lower part of the projector is connected with a first supporting rod; the first supporting rod comprises a first section structure and a second section structure; the lower end of the second section structure is connected with a first sliding block; the magnifying lens is arranged in front of the projector; the plane mirror is arranged in front of the convex mirror. Compared with the prior art, the projection amplifying device provided by the utility model has the advantages as follows: the convex mirror is additionally mounted between the projector and the plane mirror, so that the light from the projector can be adjusted to be parallel light by adjusting the specific distance between the projector and the convex mirror and the height of the projector and the convex mirror specifically; the plane mirror can be horizontally moved, and the angle of the plane mirror can be adjusted through the universal shafts, so that the adjustment of light direction is convenient to enable the formed image to be clearer.
Description
Technical field
The utility model relates to a kind of projector equipment, particularly a kind of English multimedia teaching projection amplification device.
Background technology
In English teaching, multimedia teaching is very universal at present, but is subject to technical limitation, the bad control of projector font size.Chinese patent (application number 201320697202.7): disclose a kind of English multimedia teaching projection amplification device, it is characterized in that having a plane bottom plate, base plate one end is provided with inclined-plane catoptron, the angle of inclined-plane catoptron and base plate is 45 degree, the base plate other end is provided with several fixed hubs, axle sleeve inner sleeve has activity adjustment axle, the side wall of shaft sleeve pivot pin that is threaded, pivot pin continuous boss sidewall butt activity adjustment axle, stacker is fixed in activity adjustment axle upper end, on stacker, fix projector, a bracing frame is vertically fixed in base plate stage casing, a convex reflecting mirror is fixed in bracing frame upper end, the central axis of inclined-plane catoptron and the central axis of convex reflecting mirror intersect at the minute surface of convex reflecting mirror.This multiplying arrangement can amplify projection font, but more problems is not very practical in actual use.
Utility model content
The purpose of this utility model is to provide a kind of English multimedia teaching projection amplification device, by the patent in background technology is improved, reaches easy to operate practical purpose.
The purpose of this utility model is achieved through the following channels:
A kind of English multimedia teaching projection amplification device, comprise base plate, projector, level crossing and convex mirror, described projector, level crossing and convex mirror are all arranged on base plate, it is characterized in that, described projection amplification device also comprises magnifier, the first universal shaft, the second universal shaft, in described base plate, be provided with chute, below projector, be connected with the first support bar, described the first support bar is two-part structure, specifically comprise first paragraph structure and second segment structure, described first paragraph structure is inserted second segment inside configuration and is passed through the first fastening nuts, described second segment structure lower end is connected with the first slide block, described the first slide block and chute cooperatively interact, described projector front is provided with magnifier, and described magnifier bottom is connected with the second support bar, and the second support bar bottom is connected with the second slide block, before described magnifier, be provided with column, be provided with Four-slider on column, be provided with head rod on Four-slider, described connecting link is connected with convex mirror by the first universal shaft, described convex mirror front is provided with level crossing, and described level crossing bottom surface is connected with second connecting link one end, and the 3rd connecting link other end is connected with the 3rd support bar by the second universal shaft, and described the 3rd support bar bottom is connected with the 3rd slide block, on the base plate of projector afterbody, radiator fan is installed.
As the further optimization of this programme, on described column, be provided with Four-slider, on described Four-slider, be provided with head rod, in the middle of head rod, be provided with fixed block, described fixed block is also connected with the 3rd connecting link one end, and the 3rd connecting link other end is connected with convex mirror by the first universal shaft.
As the further optimization of this programme, on described the first slide block, the second slide block, the 3rd slide block, be provided with fastening block, described fastening block is fastened on the first slide block, the second slide block, the 3rd slide block in chute by bolt.
As the further optimization of this programme, described Four-slider is provided with screw and passes through the second fastening nuts on column.
The utility model beneficial effect:
The utility model possesses following advantage with respect to prior art, 1, between projector and level crossing, install convex lens additional, the light of projector can be adjusted to directional light, concrete by regulating concrete between projector and convex lens, and the height of projector and convex lens; 2, level crossing can move horizontally, and direction can adjust angle by universal shaft, is convenient to light regulating direction, makes imaging more clear; 3, convex mirror height and angle also can regulate, thus the direction of final decision imaging and size; 4, be provided with heat radiation and dust guard, effectively extend projector serviceable life.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model side-looking structural representation;
Fig. 2 is the utility model plan structure schematic diagram;
In figure, 1, projector, 2, magnifier, 3, level crossing, 4, convex mirror, 5, base plate, 6, chute, 7, the first support bar, 8, the first nut, 9, the 3rd support bar, 10, the 3rd connecting link, 11, the second support bar, 12, the second slide block, 13, the first slide block, 14, fastening block, 15, the 3rd slide block, 16, column, 17, Four-slider, 18, the first universal shaft, 19, the second universal shaft, 20, the second connecting link, 21, head rod, 22, fixed block, 23, the second nut, 24, bolt, 25, radiator fan.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment:
As shown in Figure 1 to Figure 2, a kind of English multimedia teaching projection amplification device, comprise base plate 5, projector 1, level crossing 3 and convex mirror 4, described projector, level crossing and convex mirror are all arranged on base plate, described projection amplification device also comprises magnifier 2, the first universal shaft 18, the second universal shaft 19, in described base plate, be provided with chute 6, below projector, be connected with the first support bar 7, described the first support bar is two-part structure, specifically comprise first paragraph structure and second segment structure, described first paragraph structure is inserted second segment inside configuration fastening by the first nut 8, by the convenient height that regulates projector of two-part structure, described second segment structure lower end is connected with the first slide block 13, described the first slide block and chute cooperatively interact, by slide block and the convenient horizontal range that regulates projector of chute, described projector front is provided with magnifier, magnifier can be changed into directional light by the light of projector, thereby allow the light of the easier controlling projection instrument of level crossing, described magnifier bottom is connected with the second support bar 11, be connected with the second slide block 12 bottom the second support bar, before described magnifier, be provided with column 16, on column, be provided with on Four-slider 17, the Four-sliders and be provided with head rod 21, described connecting link is connected with convex mirror by the first universal shaft, the convenient direction that regulates convex mirror of universal shaft, thus radiation direction changed, described convex mirror front is provided with level crossing, and described level crossing bottom surface is connected with second connecting link 20 one end, and the 3rd connecting link other end is connected with the 3rd support bar 9 by the second universal shaft, and described the 3rd support bar bottom is connected with the 3rd slide block 15, on the base plate 5 of projector 1 afterbody, radiator fan 25 is installed, dispels the heat for projector 1.
As the further optimization of this programme, on described column, be provided with Four-slider, on described Four-slider, be provided with head rod, in the middle of head rod, be provided with fixed block 22, described fixed block is also connected with the 3rd connecting link 10 one end, and the 3rd connecting link other end is connected with convex mirror by the first universal shaft.
As the further optimization of this programme, on described the first slide block, the second slide block, the 3rd slide block, be provided with fastening block 14, described fastening block is fastened on the first slide block, the second slide block, the 3rd slide block in chute by bolt 24.Thereby be convenient to fix the first slide block, the second slide block, the 3rd slide block by fastening block and prevent projector, magnifier and level crossing.
As the further optimization of this programme, described Four-slider is provided with screw and is fastened on column by the second nut 23.Thereby be convenient to regulate Four-slider height to control the height of convex mirror by the second nut.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the utility model; the variation that can expect without creative work or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (4)
1. an English multimedia teaching projection amplification device, comprise base plate, projector, level crossing and convex mirror, described projector, level crossing and convex mirror are all arranged on base plate, it is characterized in that, described projection amplification device also comprises magnifier, the first universal shaft, the second universal shaft, in described base plate, be provided with chute, below projector, be connected with the first support bar, described the first support bar is two-part structure, specifically comprise first paragraph structure and second segment structure, described first paragraph structure is inserted second segment inside configuration and is passed through the first fastening nuts, described second segment structure lower end is connected with the first slide block, described the first slide block and chute cooperatively interact, described projector front is provided with magnifier, and described magnifier bottom is connected with the second support bar, and the second support bar bottom is connected with the second slide block, before described magnifier, be provided with column, be provided with Four-slider on column, be provided with head rod on Four-slider, described connecting link is connected with convex mirror by the first universal shaft, described convex mirror front is provided with level crossing, and described level crossing bottom surface is connected with second connecting link one end, and the 3rd connecting link other end is connected with the 3rd support bar by the second universal shaft, and described the 3rd support bar bottom is connected with the 3rd slide block, on the base plate of projector afterbody, radiator fan is installed.
2. a kind of English multimedia teaching projection amplification device as claimed in claim 1, it is characterized in that: on described column, be provided with Four-slider, on described Four-slider, be provided with head rod, in the middle of head rod, be provided with fixed block, described fixed block is also connected with the 3rd connecting link one end, and the 3rd connecting link other end is connected with convex mirror by the first universal shaft.
3. a kind of English multimedia teaching projection amplification device as claimed in claim 1, it is characterized in that: on described the first slide block, the second slide block, the 3rd slide block, be provided with fastening block, described fastening block is fastened on the first slide block, the second slide block, the 3rd slide block in chute by bolt.
4. a kind of English multimedia teaching projection amplification device as claimed in claim 2, is characterized in that: described Four-slider is provided with screw and passes through the second fastening nuts on column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311814.2U CN203858771U (en) | 2014-06-12 | 2014-06-12 | Projection amplifying device for multimedia teaching of English |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311814.2U CN203858771U (en) | 2014-06-12 | 2014-06-12 | Projection amplifying device for multimedia teaching of English |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858771U true CN203858771U (en) | 2014-10-01 |
Family
ID=51608613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420311814.2U Expired - Fee Related CN203858771U (en) | 2014-06-12 | 2014-06-12 | Projection amplifying device for multimedia teaching of English |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203858771U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318812A (en) * | 2014-10-10 | 2015-01-28 | 西安理工大学 | View projection demonstrator |
| CN106990649A (en) * | 2017-05-10 | 2017-07-28 | 广州市水方信息科技有限公司 | A kind of multistage mirror-reflection imaging device |
| CN112946977A (en) * | 2021-02-04 | 2021-06-11 | 深圳铭栋光电科技有限公司 | Light path structure and method for inclined projection picture and offset projection picture |
-
2014
- 2014-06-12 CN CN201420311814.2U patent/CN203858771U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318812A (en) * | 2014-10-10 | 2015-01-28 | 西安理工大学 | View projection demonstrator |
| CN106990649A (en) * | 2017-05-10 | 2017-07-28 | 广州市水方信息科技有限公司 | A kind of multistage mirror-reflection imaging device |
| CN112946977A (en) * | 2021-02-04 | 2021-06-11 | 深圳铭栋光电科技有限公司 | Light path structure and method for inclined projection picture and offset projection picture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20150612 |
|
| EXPY | Termination of patent right or utility model |