CN209132984U - A kind of English teaching multimedia projector - Google Patents
A kind of English teaching multimedia projector Download PDFInfo
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- CN209132984U CN209132984U CN201821691431.7U CN201821691431U CN209132984U CN 209132984 U CN209132984 U CN 209132984U CN 201821691431 U CN201821691431 U CN 201821691431U CN 209132984 U CN209132984 U CN 209132984U
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- shell
- micromotor
- english teaching
- sliding rail
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Abstract
The utility model discloses a kind of English teaching multimedia projectors, including top plate, camera lens and projector main body, the left and right ends of the top plate are mounted on fixing bolt, and the lower end of top plate is fixed with sliding rail, the projector main body is installed on the inside of the first shell, and the center of projector main body is provided with camera aperture, the camera lens is installed on the inside of camera aperture, and card slot is fixed on the left of camera lens.English teaching multimedia projector setting can drive projector main body to move up and down by the sliding of sliding block, then most suitable suspension height is adjusted, guarantee that the image projected is in the most suitable viewing height of student, when avoiding image excessively high or be too low, viewing causes student's spinal compression excessive for a long time, after micromotor starting, slow down at miniature reducer, revolving speed is slack-off, so as to drive support column slowly to rotate, to adjust the crevice projection angle of lower end projection device, meet the projection needs under different situations.
Description
Technical field
The utility model relates to electronic teaching instrument engineering device technique field, specially a kind of English teaching multimedia projector.
Background technique
Projector is also known as projector, is a kind of equipment that can be projected image or video on curtain, can be by not
The same computer of interface together, VCD, DVD, game machine, DV etc., which are connected, plays corresponding vision signal, with the fast of science and technology
Speed development, teaching method are constantly progressive, and multimedia teaching facility has become essential tool in teaching process, especially exists
In English teaching, multimedia projector application is very universal.
Multimedia projector installation in the market is just not easy to adjust its standoff height later, and use is not very convenient, and
The angle of installation is fixed, and is not easy to carry out angle rotation control, is carried out the switching on perspective plane, projector can generate gently at work
Micro- shaking, stability is poor, so that the picture projected is unstable, watches unstable picture for a long time and has an impact to eyesight,
Camera lens is exposed to outdoor for a long time, is easy to save bit by bit dust, and fuselage is easy the problem of making internal component damage by collision, for this purpose, we
It is proposed a kind of English teaching multimedia projector.
Summary of the invention
The purpose of this utility model is to provide a kind of English teaching multimedia projectors, to solve above-mentioned background technique
The multimedia projector installation of middle proposition is just not easy to adjust its standoff height later, and use is not very convenient, and the angle installed
Degree is fixed, and is not easy to carry out angle rotation control, is carried out the switching on perspective plane, and projector can generate weak vibrations at work,
Stability is poor, so that the picture projected is unstable, watches unstable picture for a long time and has an impact to eyesight, camera lens is long-term
It is exposed to outdoor, is easy to save bit by bit dust, fuselage is easy the problem of making internal component damage by collision.
To achieve the above object, the utility model provides the following technical solutions: a kind of English teaching multimedia projector,
Including top plate, camera lens and projector main body, the left and right ends of the top plate are mounted on fixing bolt, and the lower end of top plate is fixed
There is sliding rail, hold-down bolt is connected on front side of the sliding rail, and micromotor is installed below sliding rail, the micromotor
Lower end is connected with miniature reducer, and the lower end of miniature reducer is fixed with support column, the lower end connection first of the support column
Shell, and the lower surface of the first shell is equipped with rubber pad, the projector main body is installed on the inside of the first shell, and projects
The center of instrument main body is provided with camera aperture, and the camera lens is installed on the inside of camera aperture, and card is fixed on the left of camera lens
Slot, the right end of the camera aperture is connected with hinge, and the right end of hinge is equipped with cover board, and the right end of the cover board is fixed with card
Block, the sliding rail are internally connected with sliding block, and the inside of the micromotor is equipped with shaft, and the left and right ends of micromotor
It is connected with hydraulic spring grease cup, the inner surface of first shell is fixed with air bag, and air bag is internally connected with second housing.
Preferably, slide construction is constituted between the sliding rail and sliding block, and hold-down bolt is through in sliding rail and sliding block
Portion.
Preferably, the micromotor is by constituting rotational structure between miniature reducer and shaft and support column, and props up
Connection type between dagger and the first shell is welding.
Preferably, the micromotor is by constituting elastic construction between hydraulic spring grease cup and support column, and hydraulic spring grease cup closes
It is symmetrical in the vertical centerline of micromotor.
Preferably, first shell is by constituting elastic construction between air bag and second housing, and the first shell and the
The thickness of two shells is 5mm.
Preferably, snap-in structure is constituted between the fixture block and card slot, and the size between fixture block and card slot matches.
Compared with prior art, the utility model has the beneficial effects that
1. sliding rail, which is arranged, with multimedia projector in the English teaching is internally connected with sliding block, allow sliding block in sliding rail
Portion slides up and down, and after top plate is fixed when top, projector main body can be driven to move up and down by the sliding of sliding block, then
Most suitable suspension height is adjusted, guarantees that the image projected is in the most suitable viewing height of student, avoids image excessively high
Or when too low, viewing causes student's spinal compression excessive for a long time；
2. micromotor can drive shaft to rotate, shaft drives miniature reducer to rotate again, while under miniature reducer
End is welded with support column, so that slowing down at miniature reducer, revolving speed is slack-off, so as to drive after micromotor starting
Support column slowly rotates, to adjust the crevice projection angle of lower end projection device, meets the projection needs under different situations, so that whole
The practicability of a device greatly enhances, and can generate vibration when micromotor work, be easy to shake projection device, shake violent
When can be detrimental to internal precision element, micromotor both ends are assembled with hydraulic spring grease cup, and hydraulic spring grease cup utilizes the elasticity of itself
Effect can offset the vibration of part micromotor generation, maintain the stabilization of projection device；
3. air bag is connected between the first shell and second housing, the toughness of the first shell and second housing can be increased,
Compared to traditional single layer enclosure, when projector main body is collided or is fallen, the elastic reaction of air bag can be produced for this design
A raw cushion effect, can be to avoid projector main body by sharp impacts, and camera aperture inside is equipped with card slot, and the inner surface of cover board is solid
Surely have fixture block, while the size between fixture block and card slot complements one another, can carry out card and, so that cover board be made to cover camera aperture,
When camera lens when not in use, cover board can be covered, camera lens is avoided to be chronically exposed to outdoor, be easy to fall ash, be unfavorable for the long-term of camera lens
It saves.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model sliding rail cross section structure schematic diagram；
Fig. 3 is partial enlargement structural representation at A in the utility model Fig. 1；
Fig. 4 is partial enlargement structural representation at B in the utility model Fig. 1.
In figure: 1, top plate；2, fixing bolt；3, sliding rail；4, hold-down bolt；5, micromotor；6, miniature reducer；7, it props up
Dagger；8, the first shell；9, rubber pad；10, camera aperture；11, card slot；12, camera lens；13, hinge；14, cover board；15, fixture block；
16, projector main body；17, sliding block；18, hydraulic spring grease cup；19, shaft；20, air bag；21, second housing.
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. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of English teaching multimedia projector, packet
Include top plate 1, fixing bolt 2, sliding rail 3, hold-down bolt 4, micromotor 5, miniature reducer 6, support column 7, the first shell 8, rubber
Rubber mat 9, camera aperture 10, card slot 11, camera lens 12, hinge 13, cover board 14, fixture block 15, projector main body 16, sliding block 17, hydraulic bullet
Spring 18, shaft 19, air bag 20 and second housing 21, the left and right ends of top plate 1 are mounted on fixing bolt 2, and the lower end of top plate 1
It is fixed with sliding rail 3, the front side of sliding rail 3 is connected with hold-down bolt 4, and the lower section of sliding rail 3 is equipped with micromotor 5, micromotor 5
Lower end be connected with miniature reducer 6, and the lower end of miniature reducer 6 is fixed with support column 7, the lower end connection of support column 7 the
One shell 8, and the lower surface of the first shell 8 is equipped with rubber pad 9, projector main body 16 is installed on the inside of the first shell 8, and
The center of projector main body 16 is provided with camera aperture 10, and camera lens 12 is installed on the inside of camera aperture 10, and a left side for camera lens 12
Side is fixed with card slot 11, and the right end of camera aperture 10 is connected with hinge 13, and the right end of hinge 13 is equipped with cover board 14, cover board 14
Right end is fixed with fixture block 15, and snap-in structure is constituted between fixture block 15 and card slot 11, and the size phase between fixture block 15 and card slot 11
It coincide, card slot 11 is housed inside camera aperture 10, the inner surface of cover board 14 is fixed with fixture block 15, while between fixture block 15 and card slot 11
Size complement one another, can carry out card and, so that cover board 14 be made to cover camera aperture 10, when camera lens 12 when not in use, can cover
Upper cover plate 14 avoids camera lens 12 from being chronically exposed to outdoor, is easy to fall ash, is unfavorable for the long-term preservation of camera lens 12；
Sliding rail 3 is internally connected with sliding block 17, slide construction is constituted between sliding rail 3 and sliding block 17, and hold-down bolt 4 runs through
In the inside of sliding rail 3 and sliding block 17, sliding rail 3 is set and is internally connected with sliding block 17, allows sliding block 17 above and below 3 inside of sliding rail
Sliding can drive projector main body 16 to move up and down, then after top top plate 1 is fixed by the sliding of sliding block 17
Most suitable suspension height is adjusted, guarantees that the image projected is in the most suitable viewing height of student, avoids image excessively high
Or when too low, viewing causes student's spinal compression excessive for a long time, and the inside of micromotor 5 is equipped with shaft 19, and miniature
The left and right ends of motor 5 are connected with hydraulic spring grease cup 18, and micromotor 5, which passes through, constitutes elasticity between hydraulic spring grease cup 18 and support column 7
Structure, and hydraulic spring grease cup 18 is symmetrical about the vertical centerline of micromotor 5, can generate vibration when micromotor 5 works, and holds
Projection device easily is shaken, can be detrimental to internal precision element when shaking violent, 5 both ends of micromotor are assembled with hydraulic bullet
Spring 18, hydraulic spring grease cup 18 utilize the elastic reaction of itself, can offset the vibration of the generation of part micromotor 5, and projection is maintained to set
Standby stabilization；
Micromotor 5 by constituting rotational structure between miniature reducer 6 and shaft 19 and support column 7, and support column 7 with
Connection type between first shell 8 is welding, and micromotor 5 can drive shaft 19 to rotate, and shaft 19 subtracts with actuating miniature again
Fast device 6 rotates, while 6 lower end of miniature reducer is welded with support column 7, so that after micromotor 5 starts, in miniature reducer
Slowing down at 6, revolving speed is slack-off, so as to drive support column 7 slowly to rotate, so that the crevice projection angle of lower end projection device is adjusted,
Meet the projection needs under different situations, so that the practicability of whole device greatly enhances, the inner surface of the first shell 8 is fixed with
Air bag 20, and air bag 20 is internally connected with second housing 21, the first shell 8 is between air bag 20 and second housing 21 by constituting
Elastic construction, and the thickness of the first shell 8 and second housing 21 is 5mm, air bag 20 is connected to the first shell 8 and second housing
Between 21, the toughness of the first shell 8 and second housing 21 can be increased, compared to traditional single layer enclosure, this design is being projected
When instrument main body 16 is collided or fallen, the elastic reaction of air bag 20 can generate a cushion effect, can be to avoid projector master
Body 16 is by sharp impacts.
Working principle: for this kind of multimedia projector, projector can be fixed by allowing top plate 1 to contact at the top of classroom first
Place, tighten fixing bolt 2, top plate 1 be fixed in the above, then pull downward on sliding block 17, sliding block 17 is sliding inside sliding rail 3
It is dynamic, when sliding into the height of appropriate projection, hold-down bolt 4 is tightened, prevent sliding block 17 is completed to fix, be opened from sliding again
Actuating miniature motor 5, the rotation of 5 work belt turn axis 19 of micromotor, shaft 19 drive miniature reducer 6 to rotate, miniature reducer 6
For the turbine worm reducer of NMRV030 model, the revolving speed of micromotor 5 can reduce, so that miniature reducer 6 drives support
The rotation of column 7 makes relatively slowly, and support column 7 drives projector main body 16 to be rotated, until closing micro electric when suitable projection angle
Machine 5 can be completed the selection of the projection angle of projector main body 16, while can generate vibration when micromotor 5 works, and be easy
Projection device is shaken, 5 both ends of micromotor are assembled with hydraulic spring grease cup 18, hydraulic spring grease cup 18 is made using the elasticity of itself
With, the vibration of the generation of part micromotor 5 can be offset, the stabilization of projection device is maintained, when needing to carry out projection teaching, to
Cover board 14 is inside pressed, the fixture block 15 on cover board 14 is separated with card slot 11, and turn right cover board 14, and cover board 14 is around 13 turns of hinge
It is dynamic, to open camera aperture 10, so that camera lens 12 exposes, can be projected, when camera lens 12 when not in use, can close the lid
Plate 14 avoids camera lens 12 from being chronically exposed to outdoor, is easy to fall ash, is unfavorable for the long-term preservation of camera lens 12, and air bag 20 is connected to
Between one shell 8 and second housing 21, the toughness that can increase the first shell 8 and second housing 21 can when device is collided
To generate a cushion effect, can to avoid projector main body 16 by sharp impacts, the rubber pad 9 of 8 bottom of the first shell be by
What rubber material was constituted, when whole device is placed on ground or desktop, rubber pad 9 contacts ground or desktop, avoids outside first
The use process that shell 8 contacts ground and desktop causes abrasion to complete entire multimedia projector like this.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of English teaching multimedia projector, including top plate (1), camera lens (12) and projector main body (16), feature
Be: the left and right ends of the top plate (1) are mounted on fixing bolt (2), and the lower end of top plate (1) is fixed with sliding rail (3), institute
It states and is connected on front side of sliding rail (3) hold-down bolt (4), and micromotor (5), the micro electric are installed below sliding rail (3)
The lower end of machine (5) is connected with miniature reducer (6), and the lower end of miniature reducer (6) is fixed with support column (7), the support
The lower end of column (7) connects the first shell (8), and the lower surface of the first shell (8) is equipped with rubber pad (9), the projector master
Body (16) is installed on the inside of the first shell (8), and the center of projector main body (16) is provided with camera aperture (10), described
Camera lens (12) is installed on the inside of camera aperture (10), and card slot (11) are fixed on the left of camera lens (12), the camera aperture (10)
Right end be connected with hinge (13), and the right end of hinge (13) is equipped with cover board (14), and the right end of the cover board (14) is fixed with
Fixture block (15), the sliding rail (3) are internally connected with sliding block (17), and the inside of the micromotor (5) is equipped with shaft (19),
And the left and right ends of micromotor (5) are connected with hydraulic spring grease cup (18), the inner surface of first shell (8) is fixed with air bag
(20), and air bag (20) is internally connected with second housing (21).
2. a kind of English teaching multimedia projector according to claim 1, it is characterised in that: the sliding rail (3) with
Constitute slide construction between sliding block (17), and hold-down bolt (4) is through the inside of sliding rail (3) and sliding block (17).
3. a kind of English teaching multimedia projector according to claim 1, it is characterised in that: the micromotor
(5) by constituting rotational structure between miniature reducer (6) and shaft (19) and support column (7), and outside support column (7) and first
Connection type between shell (8) is welding.
4. a kind of English teaching multimedia projector according to claim 1, it is characterised in that: the micromotor
(5) by constituting elastic construction between hydraulic spring grease cup (18) and support column (7), and hydraulic spring grease cup (18) is about micromotor (5)
Vertical centerline it is symmetrical.
5. a kind of English teaching multimedia projector according to claim 1, it is characterised in that: first shell
(8) by constituting elastic construction, and the thickness of the first shell (8) and second housing (21) between air bag (20) and second housing (21)
Degree is 5mm.
6. a kind of English teaching multimedia projector according to claim 1, it is characterised in that: the fixture block (15) with
Snap-in structure is constituted between card slot (11), and the size between fixture block (15) and card slot (11) matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821691431.7U CN209132984U (en) | 2018-10-18 | 2018-10-18 | A kind of English teaching multimedia projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821691431.7U CN209132984U (en) | 2018-10-18 | 2018-10-18 | A kind of English teaching multimedia projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209132984U true CN209132984U (en) | 2019-07-19 |
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ID=67232031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821691431.7U Active CN209132984U (en) | 2018-10-18 | 2018-10-18 | A kind of English teaching multimedia projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209132984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864601A (en) * | 2021-09-30 | 2021-12-31 | 安徽博广慧教育科技有限公司 | Teaching auxiliary equipment and control system thereof |
-
2018
- 2018-10-18 CN CN201821691431.7U patent/CN209132984U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864601A (en) * | 2021-09-30 | 2021-12-31 | 安徽博广慧教育科技有限公司 | Teaching auxiliary equipment and control system thereof |
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