CN108510809A - A kind of integrated projector device people of history course teaching - Google Patents
A kind of integrated projector device people of history course teaching Download PDFInfo
- Publication number
- CN108510809A CN108510809A CN201810474526.1A CN201810474526A CN108510809A CN 108510809 A CN108510809 A CN 108510809A CN 201810474526 A CN201810474526 A CN 201810474526A CN 108510809 A CN108510809 A CN 108510809A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- babinet
- fixedly connected
- sliding slot
- sliding bar
- 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
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- 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
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Projection Apparatus (AREA)
Abstract
A kind of disclosure of the invention integrated projector device people of history course teaching,Including pulley and babinet,Operating process,Pull draw ring,Extension spring,The upslope face that the data paper projected will be needed to be placed on triangle object carrier block,The upper side wall of data paper is placed on the lower surface of clamping plate,Unclamp draw ring,It is acted on by spring,Data paper is secured firmly on triangle object carrier block,Cylinder one is controlled by controller and cylinder two is opened,Cylinder one drives sliding bar one in the inside of sliding slot one,By limited block gravity,Close motor,Radiator fan is opened by controller again,Bromine tungsten filament lamp and camera lens,It is acted on by camera lens and reflective mirror,Data is projected on projection cloth,To facilitate history teacher to impart knowledge to students,History written matter associated therewith can be projected to out by the invention by intelligent control,Multiple multi-media classroom investments are reduced to use,Reduce cost,It is easy to remove,It is easy to use.
Description
Technical field
Invention is related to a kind of projection robot, the integrated projector device people of specifically a kind of history course teaching.
Background technology
Projecting apparatus be it is a kind of the profile of workpiece is amplified using optical element, and the optics instrument being projected on shadow screen
Device.It can make profile measurement with transmitted light, it is also possible to the surface shape and observation piece surface of reflected light measurement blind hole.Projection
The particularly suitable measurement complex outline of instrument and tiny workpiece, as clock and watch part, punching parts, electronic component, model, mold, screw thread,
Gear and molding cutter etc., checkability is high, easy to use；It is widely used in measuring room, workshop, to instrument and meter and clock
Table row industry is especially suitable, some existing historical teachings are needed to use projecting apparatus with valuable material, are launched to projection cloth and are convenient for student
Viewing, projection cloth need to be mounted on blackboard or metope, and operating process is cumbersome, influences working efficiency, and available data is directly placed
On object carrier, fixation is not taken, be easy to cause loss, to which inconvenient teacher uses.
Invention content
Invention is designed to provide a kind of integrated projector device people of history course teaching, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, invention provides the following technical solutions：
A kind of integrated projector device people of history course teaching, including pulley, fixed block one, babinet, baffle, air pump station
One, controller, electrified wire, energization plug, air pump station two, catch bar, fixed block two, montant, reflective mirror, camera lens, mounting plate,
Triangle object carrier block, Fresnel Lenses, cylinder, radiator fan, bromine tungsten filament lamp, gore, clamping plate, groove, draw ring, bullet
Spring, displacement sensor one, sliding bar one, sliding slot one, supporting rod one, cylinder one, condenser, limited block, projection cloth, roller bearing, position
Displacement sensor two, sliding bar two, sliding slot two, cylinder two, supporting rod two, opening and motor, the inside of the babinet is in
Between position baffle is installed, the lower surface of babinet is fixedly connected with several universal wheels, and the inner bottom surface of babinet is fixedly connected with
Supporting rod one, supporting rod one are internally provided with sliding slot one, and cylinder one, the output end of cylinder one have been collected together in the interior side face of sliding slot one
It is connected with sliding bar one, one end of sliding bar one is applied in the inside of sliding slot one and is slidably connected with sliding slot one, sliding bar one
Other end upper side wall be fixedly connected with supporting rod two, supporting rod two is internally provided with sliding slot two, the inner bottom surface peace of sliding slot two
Equipped with cylinder two, the output end of cylinder two is connected with sliding bar two, one end of sliding bar two through the inside of sliding slot two and with
Sliding slot two is slidably connected, and one other end lower wall of sliding bar is fixedly connected with fixed block one, leads to inside the lower surface of fixed block one
Cross axis and be rotatably connected to pulley, two lower end of supporting rod is equipped with displacement sensor one close to the side wall of babinet, sliding bar two it is upper
End is fixedly connected with cylinder close to the side wall of babinet, and a lateral surface of cylinder is equipped with motor, and the output end of motor runs through
The lateral surface of cylinder and it is fixedly connected with shaft, shaft outer surface is fixedly connected with projection cloth, and cylinder outer surface is equipped with and opens
Mouthful, for another side wall of projection cloth through being open and being fixedly connected with limited block, two another side wall of sliding bar is equipped with displacement biography
Sensor two, baffle lower surface are equipped with air pump station one and air pump station two disposed in parallel, phenanthrene are equipped with inside the upper surface of babinet
Nie Er lens, Fresnel Lenses upper surface are equipped with triangle object carrier block, and the upper surface of baffle is equipped with to be carried with triangle
The upper surface of the identical gore of the object glass blocks gradient, gore is fixedly connected with condenser, the inside installation of condenser
There are bromine tungsten filament lamp, the interior side face of babinet that radiator fan is installed, another wall upper surface of babinet is fixedly connected with montant, erects
Mounting plate is connected with by fixed block two on bar, the lower surface of mounting plate is equipped with camera lens, and the upper surface of mounting plate is equipped with instead
The another side of light microscopic, the babinet is fixedly connected there are two catch bar disposed in parallel and controller, and catch bar is located at control
The top of device is electrically connected with energization plug on controller by electrified wire, inside the slope surface of the triangle object carrier block
Equipped with groove, the inside of groove is fixedly connected with clamping plate by spring, and the outer surface of clamping plate is fixedly connected with draw ring.
As invention further embodiment：The lower surface of the clamping plate is fixedly connected with non-slip mat.
As invention further embodiment：The outer surface of the spring is coated with antirust paint.
As invention further embodiment：One end of the catch bar is equipped with Anti-slip cover.
As invention further embodiment：The controller has electricly connected displacement sensing respectively by a number of conducting wire
Device one, displacement sensor two, bromine tungsten filament lamp, cylinder one, motor, cylinder two, air pump station one, two camera lens of air pump station and radiation air
Fan.
As invention further embodiment：It is respectively equipped with limiting slot inside the two sides of the fixed block two, the one of montant
End inserts limiting slot and limiting slot is slidably connected, and the outer surface thread of fixed block two connects two bolts, the side of mounting plate
Wall is rotatablely connected by bolt and another limiting slot.
As invention further embodiment：The one side of the babinet is equipped with switch gate.
Compared with prior art, advantageous effect of the invention is：Operating process pulls draw ring, extension spring, it would be desirable to project
Data paper be placed on the upslope face of triangle object carrier block, the upper side wall of data paper is placed on the lower surface of clamping plate,
Draw ring is unclamped, is acted on by spring, data paper is secured firmly on triangle object carrier block, gas is controlled by controller
Cylinder one and cylinder two are opened, and cylinder one drives sliding bar one in the inside of sliding slot one, to increase between supporting rod two and babinet
Distance, displacement sensor one can identify distance between supporting rod two and babinet, reach suitable distance, controlled by controller
Cylinder one is closed, and cylinder two drives sliding bar two to be moved up along sliding slot two, and displacement sensor two can identify sliding bar two
The height of rising controls cylinder by controller and closes, then by controller motor, in motor rotary course, projection cloth
It is rotated on roller bearing, by limited block gravity, to which entire projection cloth be unfolded, suitable position is unfolded, closes motor,
Radiator fan, bromine tungsten filament lamp and camera lens are opened by controller again, is acted on by camera lens and reflective mirror, data is projected into projection cloth
On, to facilitate history teacher to impart knowledge to students, which can be projected to out, is subtracted by intelligent control by history written matter associated therewith
Few multiple multi-media classroom investments use, and reduce cost, easy to remove, easy to use.
Description of the drawings
Fig. 1 is the travel position structural schematic diagram of the integrated projector device people of history course teaching；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the working state structure schematic diagram of the integrated projector device people of history course teaching；
Fig. 4 is the backsight structural representation of integrated projector's device people's middle sleeve of history course teaching；
Fig. 5 is the control module figure of the integrated projector device people of history course teaching.
In figure：1 pulley, 2 fixed blocks one, 3 babinets, 4 baffles, 5 air pump stations one, 6 controllers, 7 electrified wires, 8, which are powered, inserts
Head, 9 air pump stations two, 10 catch bars, 11 fixed blocks two, 12 montants, 13 reflective mirrors, 14 camera lenses, 15 mounting plates, 16 triangle loadings
Glass blocks, 17 Fresnel Lenses, 18 cylinders, 19 radiator fans, 20 bromine tungsten filament lamps, 21 gores, 22 clamping plates, 23 grooves, 24 are drawn
Ring, 25 springs, 26 displacement sensors one, 27 sliding bars one, 28 sliding slots one, 29 supporting rods one, 20 cylinders one, 21 gores,
22 clamping plates, 23 grooves, 24 draw rings, 25 springs, 26 displacement sensors one, 27 sliding bars one, 28 sliding slots one, 29 supporting rods one, 30
Cylinder one, 31 condensers, 32 limited blocks, 33 projection cloths, 34 roller bearings, 35 displacement sensors two, 36 sliding bars two, 37 sliding slots two,
38 cylinders two, 39 supporting rods two, 40 opening, 41 motor.
Specific implementation mode
Below in conjunction with the attached drawing in inventive embodiments, the technical solution in inventive embodiments is carried out clearly and completely
Description, it is clear that described embodiment is only invention a part of the embodiment, instead of all the embodiments.Based in invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
Belong to the range of invention protection.
Please refer to Fig.1~5, in inventive embodiments, a kind of integrated projector device people of history course teaching, including pulley
1, fixed block 1, babinet 3, baffle 4, air pump station 1, controller 6, electrified wire 7, energization plug 8, air pump station 29, promotion
Bar 10, fixed block 2 11, montant 12, reflective mirror 13, camera lens 14, mounting plate 15, triangle object carrier block 16, Fresnel Lenses
17, cylinder 18, radiator fan 19, bromine tungsten filament lamp 20, gore 21, clamping plate 22, groove 23, draw ring 24, spring 25, displacement sensing
Device 1, sliding bar 1, sliding slot 1, supporting rod 1, cylinder 1, condenser 31, limited block 32, projection cloth 33, rolling
Axis 34, displacement sensor 2 35, sliding bar 2 36, sliding slot 2 37, cylinder 2 38, supporting rod 2 39, opening 40 and motor 41,
The inside of the babinet 3 is equipped with baffle 4 close to centre position, and the lower surface of babinet 3 is fixedly connected with several universal wheels, case
The inner bottom surface of body 3 is fixedly connected with supporting rod 1, and supporting rod 1 is internally provided with sliding slot 1, the inside of sliding slot 1
One side has collected together cylinder 1, and the output end of cylinder 1 is connected with sliding bar 1, and one end of sliding bar 1 is applied in cunning
It the inside of slot 1 and is slidably connected with sliding slot 1, the other end upper side wall of sliding bar 1 is fixedly connected with supporting rod two
39, supporting rod 2 39 is internally provided with sliding slot 2 37, and the inner bottom surface of sliding slot 2 37 is equipped with cylinder 2 38, cylinder 2 38 it is defeated
Outlet is connected with sliding bar 2 36, and company is slided in one end of sliding bar 2 36 through the inside of sliding slot 2 37 and with sliding slot 2 37
It connects, one 27 other end lower wall of sliding bar is fixedly connected with fixed block 1, is moved by shaft rotation inside the lower surface of fixed block 1
Be connected with pulley 1,2 39 lower end of supporting rod is equipped with displacement sensor 1 close to the side wall of babinet 3, sliding bar 2 36 it is upper
End is fixedly connected with cylinder 18 close to the side wall of babinet 3, and a lateral surface of cylinder 18 is equipped with motor 41, motor 41 it is defeated
Outlet runs through the lateral surface of cylinder 18 and is fixedly connected with shaft, and shaft outer surface is fixedly connected with projection cloth 33, cylinder 18
Outer surface is equipped with opening 40, and another side wall of projection cloth 33 through opening 40 and is fixedly connected with limited block 32, sliding bar
2 36 another side walls are equipped with displacement sensor 2 35, and 4 lower surface of baffle is equipped with air pump station 1 and air pump station disposed in parallel
29, Fresnel Lenses 17 is installed inside the upper surface of babinet 3,17 upper surface of Fresnel Lenses is equipped with triangle loading glass
The upper surface of glass block 16, baffle 4 is equipped with gore 21 identical with 16 gradient of triangle object carrier block, gore 21
Upper surface be fixedly connected with condenser 31, the inside of condenser 31 is equipped with bromine tungsten filament lamp 20, the interior side face installation of babinet 3
It is 3 internal heat dissipating of babinet to have radiator fan 19, radiator fan 19, and 3 internal operation of babinet is allowed to stablize, on another side wall of babinet 3
Surface is fixedly connected with montant 12, and mounting plate 15, the lower surface peace of mounting plate 15 are connected with by fixed block 2 11 on montant 12
Equipped with camera lens 14, the upper surface of mounting plate 15 is equipped with reflective mirror 13, and the another side of the babinet 3 is fixedly connected with that there are two flat
The catch bar 10 and controller 6 of row setting, catch bar 10 are located at the top of controller 6, pass through 7 electricity of electrified wire on controller 6
It is connected with energization plug 8, the slope surface of the triangle object carrier block 16 is internally provided with groove 23, and the inside of groove 23 passes through bullet
Spring 25 is fixedly connected with clamping plate 22, and the outer surface of clamping plate 22 is fixedly connected with draw ring 24, and the lower surface of the clamping plate 22, which is fixed, to be connected
It is connected to non-slip mat, the outer surface of the spring 25 is coated with antirust paint, prevents spring 25 from generating rusty stain, influences service life, institute
The one end for stating catch bar 10 is equipped with Anti-slip cover, increases hand contact friction, to facilitate promotion whole equipment, the controller 6
Displacement sensor 1, displacement sensor 2 35, bromine tungsten filament lamp 20, cylinder one have been electricly connected respectively by a number of conducting wire
30, motor 41, cylinder 2 38, air pump station 1,29 camera lens 14 of air pump station and radiator fan 19, the two of the fixed block 2 11
Lateral inner is respectively equipped with limiting slot, and one end of montant 12 inserts limiting slot and limiting slot is slidably connected, fixed block 2 11
Outer surface thread connects two bolts, and the one side wall of mounting plate 15 is rotatablely connected by bolt and another limiting slot, the case
The one side of body 3 is equipped with switch gate, is easy to open babinet 3, conveniently checks box house operating condition, which is related to electricity
Road and algorithm are the prior art.
The operation principle of invention is：Operating process pulls draw ring 24, extension spring 25, it would be desirable to the data paper of projection
It is placed on the upslope face of triangle object carrier block 16, the upper side wall of data paper is placed on the lower surface of clamping plate 22, unclamps and draws
Ring 24 is acted on by spring 25, data paper is secured firmly on triangle object carrier block 16, is controlled by controller 6
Cylinder 1 and cylinder 2 38 are opened, and cylinder 1 drives sliding bar 1 in the inside of sliding slot 1, to increase supporting rod
Distance between 2 39 and babinet 3, displacement sensor 1 can identify distance between supporting rod 2 39 and babinet 3, reach suitable
Distance, cylinder 1 is controlled by controller 6 and is closed, cylinder 2 38 drives sliding bar 2 36 along sliding slot 2 37 to moving up
Dynamic, displacement sensor 2 35 can identify the height that sliding bar 2 36 rises, and controlling cylinder 38 by controller 6 closes, then leads to
Cross 6 motor 41 of controller, in 41 rotary course of motor, projection cloth 33 rotates on roller bearing 34, by 32 gravity of limited block
Suitable position is unfolded to which entire projection cloth 33 be unfolded in effect, closes motor 41, then open radiation air by controller 6
Fan 19, bromine tungsten filament lamp 20 and camera lens 14 are acted on by camera lens 14 and reflective mirror 13, data are projected on projection cloth 33, to side
Just history teacher imparts knowledge to students, which can be projected to out by intelligent control by history written matter associated therewith, reduces multiple more
Media Classroom investment uses, and reduces cost, easy to remove, easy to use.
Although invention is described in detail with reference to the foregoing embodiments, for those skilled in the art,
Still can be with technical scheme described in the above embodiments is modified, or which part technical characteristic is equal
It replaces, all within the spirit and principle of invention, any modification, equivalent replacement, improvement and so on should be included in invention
Within protection domain.
Claims (7)
1. a kind of integrated projector device people of history course teaching, including pulley (1), fixed block one (2), babinet (3), baffle
(4), air pump station one (5), controller (6), electrified wire (7), energization plug (8), air pump station two (9), catch bar (10), fixation
Block two (11), montant (12), reflective mirror (13), camera lens (14), mounting plate (15), triangle object carrier block (16), Fresnel
Lens (17), cylinder (18), radiator fan (19), bromine tungsten filament lamp (20), gore (21), clamping plate (22), groove (23), draw ring
(24), spring (25), displacement sensor one (26), sliding bar one (27), sliding slot one (28), supporting rod one (29), cylinder one
(30), condenser (31), limited block (32), projection cloth (33), roller bearing (34), displacement sensor two (35), sliding bar two (36),
Sliding slot two (37), cylinder two (38), supporting rod two (39), opening (40) and motor (41), which is characterized in that the babinet
(3) inside is equipped with baffle (4) close to centre position, and the lower surface of babinet (3) is fixedly connected with several universal wheels, babinet
(3) inner bottom surface is fixedly connected with supporting rod one (29), and supporting rod one (29) is internally provided with sliding slot one (28), sliding slot one
(28) cylinder one (30) has been collected together in interior side face, and the output end of cylinder one (30) is connected with sliding bar one (27), sliding bar one
(27) one end is applied in the inside of sliding slot one (28) and is slidably connected with sliding slot one (28), the other end of sliding bar one (27)
Upper side wall is fixedly connected with supporting rod two (39), and supporting rod two (39) is internally provided with sliding slot two (37), sliding slot two (37) it is interior
Portion bottom surface is equipped with cylinder two (38), and the output end of cylinder two (38) is connected with sliding bar two (36), and the one of sliding bar two (36)
End is slidably connected through the inside of sliding slot two (37) and with sliding slot two (37), and sliding bar one (27) other end lower wall, which is fixed, to be connected
It is connected to fixed block one (2), pulley (1) is rotatably connected to by axis inside the lower surface of fixed block one (2), under supporting rod two (39)
End is equipped with displacement sensor one (26) close to the side wall of babinet (3), the side wall of the upper end of sliding bar two (36) close to babinet (3)
It is fixedly connected with cylinder (18), a lateral surface of cylinder (18) is equipped with motor (41), and the output end of motor (41) runs through
The lateral surface of cylinder (18) and it is fixedly connected with shaft, shaft outer surface is fixedly connected with projection cloth (33), and cylinder (18) is outside
Surface is equipped with opening (40), and another side wall of projection cloth (33) through the opening (40) and is fixedly connected with limited block
(32), another side wall of sliding bar two (36) is equipped with displacement sensor two (35), and baffle (4) lower surface is equipped with disposed in parallel
Air pump station one (5) and the air pump station two (9) are equipped with Fresnel Lenses (17) inside the upper surface of babinet (3), and Fresnel is saturating
Mirror (17) upper surface is equipped with triangle object carrier block (16), and the upper surface of baffle (4) is equipped with and triangle object carrier
The identical gore (21) of block (16) gradient, the upper surface of gore (21) are fixedly connected with condenser (31), condenser
(31) inside is equipped with bromine tungsten filament lamp (20), and the interior side face of babinet (3) is equipped with radiator fan (19), babinet (3) it is another
One side wall upper surface is fixedly connected with montant (12), and mounting plate (15) is connected with by fixed block two (11) on montant (12), pacifies
The lower surface of loading board (15) is equipped with camera lens (14), and the upper surface of mounting plate (15) is equipped with reflective mirror (13), the babinet (3)
Another side be fixedly connected there are two catch bar disposed in parallel (10) and controller (6), catch bar (10) is located at controller
(6) top is electrically connected with energization plug (8), the triangle object carrier block on controller (6) by electrified wire (7)
(16) slope surface is internally provided with groove (23), and the inside of groove (23) is fixedly connected with clamping plate (22), clamping plate by spring (25)
(22) outer surface is fixedly connected with draw ring (24).
2. the integrated projector device people of history course teaching according to claim 1, which is characterized in that the clamping plate
(22) lower surface is fixedly connected with non-slip mat.
3. the integrated projector device people of history course teaching according to claim 1, which is characterized in that the spring
(25) outer surface is coated with antirust paint.
4. the integrated projector device people of history course teaching according to claim 1, which is characterized in that the catch bar
(10) one end is equipped with Anti-slip cover.
5. the integrated projector device people of history course teaching according to claim 1, which is characterized in that the controller
(6) displacement sensor one (26), displacement sensor two (35), bromine tungsten filament lamp have been electricly connected by a number of conducting wire respectively
(20), cylinder one (30), motor (41), cylinder two (38), air pump station one (5), air pump station two (9), radiator fan (19) and
Camera lens (14).
6. the integrated projector device people of history course teaching according to claim 1, which is characterized in that the fixed block
Limiting slot is respectively equipped with inside the two sides of two (11), one end of montant (12) inserts limiting slot and limiting slot is slidably connected,
The outer surface thread of fixed block two (11) connects two bolts, and the one side wall of mounting plate (15) passes through bolt and another limiting slot
Rotation connection.
7. the integrated projector device people of history course teaching according to claim 1, which is characterized in that the babinet
(3) one side is equipped with switch gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474526.1A CN108510809A (en) | 2018-05-17 | 2018-05-17 | A kind of integrated projector device people of history course teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474526.1A CN108510809A (en) | 2018-05-17 | 2018-05-17 | A kind of integrated projector device people of history course teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108510809A true CN108510809A (en) | 2018-09-07 |
Family
ID=63400733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810474526.1A Pending CN108510809A (en) | 2018-05-17 | 2018-05-17 | A kind of integrated projector device people of history course teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108510809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112535390A (en) * | 2020-12-19 | 2021-03-23 | 南京胜衡礼品有限公司 | Detachable clothing display stand |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147861A (en) * | 1994-05-13 | 1997-04-16 | 美国3M公司 | Pivoting projection head for overhead projector |
| CN205539890U (en) * | 2016-04-28 | 2016-08-31 | 浙江华甸防雷科技有限公司 | Stable clear projecting apparatus |
| CN206480172U (en) * | 2017-02-14 | 2017-09-08 | 黑龙江民族职业学院 | A kind of English teaching projecting apparatus |
| CN206479758U (en) * | 2017-01-22 | 2017-09-08 | 河北科技大学 | A kind of new teaching projector |
-
2018
- 2018-05-17 CN CN201810474526.1A patent/CN108510809A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147861A (en) * | 1994-05-13 | 1997-04-16 | 美国3M公司 | Pivoting projection head for overhead projector |
| CN205539890U (en) * | 2016-04-28 | 2016-08-31 | 浙江华甸防雷科技有限公司 | Stable clear projecting apparatus |
| CN206479758U (en) * | 2017-01-22 | 2017-09-08 | 河北科技大学 | A kind of new teaching projector |
| CN206480172U (en) * | 2017-02-14 | 2017-09-08 | 黑龙江民族职业学院 | A kind of English teaching projecting apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112535390A (en) * | 2020-12-19 | 2021-03-23 | 南京胜衡礼品有限公司 | Detachable clothing display stand |
| CN112535390B (en) * | 2020-12-19 | 2022-12-16 | 宜昌市金石软件有限公司 | Detachable clothing display stand |
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Application publication date: 20180907 |