CN205068960U - Aperture formation of image presentation device with aperture adjusting part - Google Patents
Aperture formation of image presentation device with aperture adjusting part Download PDFInfo
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- CN205068960U CN205068960U CN201520823080.0U CN201520823080U CN205068960U CN 205068960 U CN205068960 U CN 205068960U CN 201520823080 U CN201520823080 U CN 201520823080U CN 205068960 U CN205068960 U CN 205068960U
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- aperture
- movable plate
- plate
- orifice plate
- adjusting bolt
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Abstract
The utility model discloses an aperture formation of image presentation device with aperture adjusting part, be equipped with the open -ended frame including both ends, lamp plate and screen curtain plate are fixed respectively to difference fixed bolster on the opening of frame both ends on two supports, its characterized in that, the through -hole is seted up to movable mounting movable plate in the frame on, movable plate one side laminating orifice plate, the orifice plate width can cover the through -hole, sets up a plurality of size of a dimensions aperture that differs on the orifice plate, and the maximum size of aperture is no longer than the through -hole, wherein, the orifice plate can be laminated the movable plate and removed for each aperture on the movable plate can overlap with the through -hole. The utility model discloses can adjust the formation of image size through the activity movable plate, through removing the orifice plate, transform pore size, the size of adjusting the formation of image, can also fix the orifice plate through the adjusting nut of orifice plate both sides, rethread adjusting screw's screw in is back -outed length and is varied the size of aperture, simple structure, and convenient to use, the demonstration effect is good.
Description
Technical field
The utility model relates to a kind of trainer used in science and education test and recreation.More particularly, the utility model relates to a kind of pinhole imaging system apparatus for demonstrating with aperture adjustment assembly for science and education test.
Background technology
Pinhole imaging system phenomenon produces due to the direct propagation performance of light, and it and mirror-reflection imaging, lens reflection imaging are stood like the legs of a tripod and together constituted complete geometric optical imaging system, and the status in teaching and popular science propaganda education can not be substituted.Existing pinhole imaging system teaching equipment, structurally mostly imitates camera, is substantially made up of aperture, darkroom, imaging screen, and imaging screen selects frosted glass or paraffin paper.
But the defect that existing pinhole imaging system teaching equipment exists is: one, whole device does not have a globality, and lecture experiment needs again to build, and uses inconvenience; Two, the distance between light source and aperture cannot regulate, and can not be adjusted to the size of picture; Three, the size of aperture is uniquely constant, cannot regulate.Owing to lacking the apparatus for demonstrating of more satisfactory more vivid pinhole imaging system, Students ' Learning gets up very difficult.How in the process of teaching, the principle allowing student understand pinhole imaging system is urgent problem.
Utility model content
The utility model, in order to overcome the defect of prior art, discloses a kind of pinhole imaging system apparatus for demonstrating with aperture adjustment assembly.
An object of the present utility model is, designing a kind of structure simple, building without the need to repeating, easy to use, is convenient to regulate the pinhole imaging system apparatus for demonstrating of the pore size of distance between light source and aperture and aperture.
In order to realize according to these objects of the present utility model and other advantage, provide a kind of pinhole imaging system apparatus for demonstrating with aperture adjustment assembly, comprise the framework that two ends are provided with opening, difference fixed support on framework both ends open, two supports fix lamp plate and screen board respectively, it is characterized in that, movable installation movable plate in described framework, movable plate offers through hole, described movable plate side laminating orifice plate, orifice plate width can cover through hole, orifice plate is offered some sizes to differ aperture, the full-size of aperture is no more than through hole, wherein, described orifice plate movable plate of can fitting moves, make each aperture on movable plate can be overlapping with through hole.
Preferably, described framework alongst offers import and export, edge, described movable plate side is provided with fixed block, the thickness sum that the width of described import and export is greater than fixed block and movable plate is less than the width of movable plate, described fixed block is rotary with adjusting bolt, adjusting bolt is through fixed block, and adjusting bolt upper end cover abacus, the adjusting bolt of orifice plate both sides is rotary with two setting nuts.
Preferably, solar panel is movably installed with between the lamp plate in described framework and movable plate.
Preferably, the setting nut matched with adjusting bolt is inlaid with in described fixed block.
Preferably, described orifice plate global shape is L shape, and some apertures are offered on its long limit, minor face offers mounting hole, described orifice plate is enclosed within adjusting bolt by mounting hole.
Preferably, described movable plate side is also provided with pilot hole, and pilot hole is enclosed within orifice plate.
Preferably, in the adjusting bolt of described framework outside, cover has briquetting and the setting nut that spins, and described briquetting size is greater than the width of import and export.
Preferably, described two frame bottom mounting bases.
The utility model at least comprises following beneficial effect: install movable plate due to movable in framework, portable plate is installed the orifice plate of movement, orifice plate is offered some apertures, therefore, it is possible to be adjusted to picture size by movable movable plate, by moving orifice, conversion pore size, is adjusted to the size of picture; Because movable plate is provided with fixed block, fixed block spins adjusting bolt, adjusting bolt upper end cover abacus, the adjusting bolt of orifice plate both sides is rotary with two setting nuts, therefore, it is possible to fix orifice plate by the setting nut of orifice plate both sides, then screw out by the screw-in of adjusting screw(rod) the size that length converts aperture; Owing to arranging solar panel in light source front end, therefore, it is possible to block other spurious rays, make light source with a parallel ray beam through aperture, raising imaging effect; Because cover in the adjusting bolt of framework outside has briquetting and the adjusting bolt that spins, therefore prop up briquetting by screwing adjusting bolt, briquetting props up framework lateral surface, fixes whole movable plate.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the pinhole imaging system apparatus for demonstrating in embodiment of the present utility model with aperture adjustment assembly;
Fig. 2 is the structural representation of the pinhole imaging system apparatus for demonstrating movable plate in embodiment of the present utility model with aperture adjustment assembly;
Fig. 3 is the combination schematic diagram of the pinhole imaging system apparatus for demonstrating aperture adjustment assembly in embodiment of the present utility model with aperture adjustment assembly.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
Fig. 1 to 3 shows according to a kind of way of realization of the present utility model, comprising: two ends are provided with the framework 1 of opening, difference fixed support 2 on framework 1 both ends open, two supports 2 are fixed respectively lamp plate 3 and screen board 4, movable installation movable plate 5 in described framework 1, movable plate 5 is offered through hole 6, described movable plate 5 side laminating orifice plate 7, orifice plate 7 width can cover through hole 6, orifice plate 7 is offered some sizes to differ aperture 8, the full-size of aperture 8 is no more than through hole 6, described framework 1 alongst offers import and export 9, edge, described movable plate 5 side is provided with fixed block 10, the width of described import and export 9 is greater than the width that fixed block 10 and the thickness sum of movable plate 5 are less than movable plate 5, described fixed block 10 is rotary with adjusting bolt 11, adjusting bolt 11 is through fixed block 10, adjusting bolt 11 upper end cover abacus 7, the adjusting bolt 11 of orifice plate 7 both sides is rotary with two setting nuts 12.Movable plate of the present utility model is provided with fixed block, fixed block spins adjusting bolt, adjusting bolt upper end cover abacus, the adjusting bolt of orifice plate both sides is rotary with two setting nuts, orifice plate can be fixed by the setting nut of orifice plate both sides, then screw out by the screw-in of adjusting screw(rod) the size that length converts aperture.Be adjusted to picture size by movable movable plate, by moving orifice, conversion pore size, is adjusted to the size of picture.
Framework 1 is for depositing and install each assembly therein; Support 2 is for support frame; Lamp plate 3 provides enough light sources for pinhole imaging system; Screen board 4 is for demonstrating the result of pinhole imaging system; Movable plate 5 can move in framework, regulates the distance of light source and aperture; The aperture that orifice plate 7 provides various sizes not of uniform size; Aperture 8 is the apertures in pinhole imaging system; Importing and exporting 9 can allow movable plate arbitrarily pass in and out framework, provides track for movable plate is mobile in framework simultaneously; Fixed block 10 is for connecting adjusting bolt; Adjusting bolt 11 is for regulating orifice plate height; Setting nut 12 is for fixing orifice plate and be fixed in framework by movable plate.
In this technical scheme, install movable plate, portable plate is installed the orifice plate of movement, orifice plate is offered some apertures by movable in framework, can be adjusted to picture size by movable movable plate, by moving orifice, conversion pore size, is adjusted to the size of picture.
In another kind of example, between the lamp plate 3 in described framework 1 and movable plate 5, be movably installed with solar panel 13.Adopt this scheme can block other spurious rays, make light source with a parallel ray beam through aperture, the favourable part of raising imaging effect.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another kind of example, described movable plate 5 side is also provided with pilot hole 14, and pilot hole 14 is enclosed within orifice plate 7.Adopt this scheme that orifice plate can be made more stable in moving process on movable plate, can allow the favourable part that aperture and through hole perfectly coincide together.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another kind of example, in the adjusting bolt 11 of described framework 1 outside, cover has briquetting 15 and the setting nut 12 that spins, and described briquetting 15 size is greater than the width of import and export 9.Adopt this scheme to screw setting nut and prop up briquetting, briquetting props up framework lateral surface, fixes the favourable part of whole movable plate.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
A kind of implementation fixed block 10 in such scheme being rotary with adjusting bolt 11 is: be inlaid with the setting nut 12 matched with adjusting bolt 11 in described fixed block 10.Adopt this scheme to have stability in the process that adjusting bolt is rotated on fixed block high, after avoiding rotating adjusting bolt for a long time, fixed block bursts apart, the favourable part increased the service life.
Be 180 millimeters at the diameter of framework, length is that in the transparent acrylic pipe of 400 millimeters, left end is array light source part, is fixed on lamp plate, then bonds with left socle by 11 white led lamps, left socle plate has multiple aperture be convenient to lamp heat radiation.Right end portion is screen board, is used to imaging, and it sprays white paint by acrylic plectane makes, and is then bonded on right support plate, then right support is bonded in the right-hand member of acrylic pipe, is finally bonded in by left and right support on base plate and forms a firmly entirety.The center section of pipe, has individual aperture adjustment assembly, and be used to regulate multiple aperture, on it, diameter is respectively 1,2,3,4 millimeter, is finally used to regulate pixel size.
During use, first unclamp the setting nut below aperture adjustment assembly, pine on earth always, then pinch adjusting bolt to rotate, can select aperture up and down, attention can not have two hole printing opacities simultaneously, otherwise can form two pictures, after mixing up, this hand pinches motionless, with another hand fastening nut, when front and back moving assembly, as long as first unclamp nut, then it is moved, then fastening nut.When this assembly damages, setting nut can be unclamped, place under repair by after assembly 90-degree rotation from import and export extraction or change.When us all mix up normal after, press D score word that power switch just can see that left end point array light source form after the pinhole imaging system of centre, on the screen of right-hand member formation obvious " on " word, the real image namely stood upside down.
As mentioned above, according to the utility model, due to movable in framework, movable plate is installed, portable plate is installed the orifice plate of movement, orifice plate is offered some apertures, therefore, it is possible to be adjusted to picture size by movable movable plate, by moving orifice, conversion pore size, is adjusted to the size of picture; Because movable plate is provided with fixed block, fixed block spins adjusting bolt, adjusting bolt upper end cover abacus, the adjusting bolt of orifice plate both sides is rotary with two setting nuts, therefore, it is possible to fix orifice plate by the setting nut of orifice plate both sides, then screw out by the screw-in of adjusting screw(rod) the size that length converts aperture; Owing to arranging solar panel in light source front end, therefore, it is possible to block other spurious rays, make light source with a parallel ray beam through aperture, raising imaging effect; Because cover in the adjusting bolt of framework outside has briquetting and the adjusting bolt that spins, therefore prop up briquetting by screwing adjusting bolt, briquetting props up framework lateral surface, fixes whole movable plate.
Although embodiment of the present utility model is open as above, it is not restricted to listed in instructions and embodiment utilization.It can be applied to various applicable field of the present utility model completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. one kind has the pinhole imaging system apparatus for demonstrating of aperture adjustment assembly, comprise the framework that two ends are provided with opening, difference fixed support on framework both ends open, two supports fix lamp plate and screen board respectively, it is characterized in that, movable installation movable plate in described framework, movable plate offers through hole, described movable plate side laminating orifice plate, orifice plate width can cover through hole, orifice plate is offered some sizes to differ aperture, the full-size of aperture is no more than through hole, wherein, described orifice plate movable plate of can fitting moves, make each aperture on movable plate can be overlapping with through hole.
2. there is the pinhole imaging system apparatus for demonstrating of aperture adjustment assembly as claimed in claim 1, it is characterized in that, described framework alongst offers import and export, edge, described movable plate side is provided with fixed block, the thickness sum that the width of described import and export is greater than fixed block and movable plate is less than the width of movable plate, and described fixed block is rotary with adjusting bolt, and adjusting bolt is through fixed block, adjusting bolt upper end cover abacus, the adjusting bolt of orifice plate both sides is rotary with two setting nuts.
3. there is the pinhole imaging system apparatus for demonstrating of aperture adjustment assembly as claimed in claim 1 or 2, it is characterized in that, between the lamp plate in described framework and movable plate, be movably installed with solar panel.
4. there is the pinhole imaging system apparatus for demonstrating of aperture adjustment assembly as claimed in claim 2, it is characterized in that, in described fixed block, be inlaid with the setting nut matched with adjusting bolt.
5. have the pinhole imaging system apparatus for demonstrating of aperture adjustment assembly as claimed in claim 2, it is characterized in that, described orifice plate global shape is L shape, and some apertures are offered on its long limit, minor face offers mounting hole, described orifice plate is enclosed within adjusting bolt by mounting hole.
6. have the pinhole imaging system apparatus for demonstrating of aperture adjustment assembly as claimed in claim 1 or 2, it is characterized in that, described movable plate side is also provided with pilot hole, and pilot hole is enclosed within orifice plate.
7. have the pinhole imaging system apparatus for demonstrating of aperture adjustment assembly as claimed in claim 2, it is characterized in that, in the adjusting bolt of described framework outside, cover has briquetting and the setting nut that spins, and described briquetting size is greater than the width of import and export.
8. there is the pinhole imaging system apparatus for demonstrating of aperture adjustment assembly as claimed in claim 1, it is characterized in that, described two frame bottom mounting bases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520823080.0U CN205068960U (en) | 2015-10-23 | 2015-10-23 | Aperture formation of image presentation device with aperture adjusting part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520823080.0U CN205068960U (en) | 2015-10-23 | 2015-10-23 | Aperture formation of image presentation device with aperture adjusting part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205068960U true CN205068960U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520823080.0U Expired - Fee Related CN205068960U (en) | 2015-10-23 | 2015-10-23 | Aperture formation of image presentation device with aperture adjusting part |
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| CN (1) | CN205068960U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731072A (en) * | 2017-11-08 | 2018-02-23 | 天津市海河中学 | Hand-held pinhole imaging system demonstrator |
| CN108039104A (en) * | 2017-10-17 | 2018-05-15 | 金家丽 | A kind of instruments used for education for pinhole imaging system experiment |
-
2015
- 2015-10-23 CN CN201520823080.0U patent/CN205068960U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039104A (en) * | 2017-10-17 | 2018-05-15 | 金家丽 | A kind of instruments used for education for pinhole imaging system experiment |
| CN107731072A (en) * | 2017-11-08 | 2018-02-23 | 天津市海河中学 | Hand-held pinhole imaging system demonstrator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| 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: 20160302 Termination date: 20181023 |