CN113035034A - Overlapped type high-stability adjustable double-slit device - Google Patents
Overlapped type high-stability adjustable double-slit device Download PDFInfo
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Abstract
The invention belongs to the technical field of double-slit experimental equipment, and particularly relates to an overlapped type high-stability adjustable double-slit device. The invention achieves the purpose of stepless and stable adjustment of the seam distance and the seam width of the double-seam structure by arranging the middle sliding strip unit and the two side sliding plate units on the perforated bottom plate, and greatly improves the teaching result of the double-seam experiment. The double-slit structure has the advantages that the double-slit structure is reasonable and effective, the two parameters of the slit width and the slit distance of the double-slit structure are simple and convenient to adjust, the double-slit structure before and after adjustment has high stability, the double-slit structure is not easy to accidentally loosen and offset, the slit width and the slit distance can be adjusted steplessly within a certain range, and various teaching requirements can be met.
Description
Technical Field
The invention belongs to the technical field of double-slit experimental equipment, and particularly relates to an overlapped type high-stability adjustable double-slit device.
Background
In the daily teaching of the double-slit experiment, if the double-slit structure is fixed and unchanged, certain limitation is caused to the study on exploring theories and experiments such as optical double-slit interference and the like in teaching, so that an adjustable double-slit structure is urgently needed, namely the width and the distance of the double-slit are adjustable.
On the other hand, some adjustable double seam devices in the prior art cannot achieve the effects of asymmetric adjustment of seam widths on two sides and stepless adjustment of seam distances, so that the using effect is still not comprehensive enough, and therefore, in summary, an improved double seam device with a double seam structure, which is flexible and comprehensive in adjustment, stable and simple in overall use, is urgently needed.
Patent publication number is CN209980593U, and the china utility model patent that bulletin day is 2020.01.21 discloses a presentation device is interfered to young double slit convenient to carry, including the box, its characterized in that, the fixed handle that is equipped with in middle part in the box top outside, the middle part on second slider top is passed through the dead lever and is connected with fixed clamping is fixed, the other end of slide rail slides and is equipped with the third slider, the fixed baffle that is equipped with in top of third slider keeps away from the second slider one side of third slider is equipped with the fourth slider, the fourth slider with the slide rail slides and sets up.
But the presentation device is interfered to double joint in this utility model patent, its double joint structure is stable inadequately in the slip adjustment in-process, but also has the seam apart from the big problem of the whole degree of difficulty of regulation operation.
Disclosure of Invention
The invention provides an overlapped type high-stability adjustable double-slit device, which can achieve the purpose that the slit distance and the slit width of a double-slit structure can be adjusted steplessly and stably by arranging a middle sliding strip unit and two side sliding plate units on an opening bottom plate, and greatly improve the teaching result of a double-slit experiment.
The technical scheme adopted by the invention for solving the problems is as follows: the utility model provides an adjustable double slit device of eclipsed form high stability, includes the trompil bottom plate of vertical setting, still includes the setting and is in on the trompil bottom plate side and be located both sides position department respectively and be used for forming two side sliding plate units of single slit structure, and set up on the trompil bottom plate side and through two vertical laths the staggered mode is in after the single slit structure is interior to overlap in order to be used for adjusting the middle slip strip unit of double slit structure seam distance.
The further preferred technical scheme is as follows: the middle sliding bar unit and the two side sliding plate units are both positioned on the same side surface of the perforated bottom plate.
The further preferred technical scheme is as follows: the side sliding plate unit comprises a vertical fixing plate arranged at the side position on the side surface of the perforated bottom plate, a sliding plate arranged on the side surface of the perforated bottom plate and positioned at the inner side of the vertical fixing plate and used for forming a seam edge of the single seam structure, a seam edge return spring arranged between the vertical fixing plate and the opposite side surface of the sliding plate, and a seam edge jacking bolt which is screwed on the vertical fixing plate and jacks up the sliding plate by inwards rotating so as to reduce the seam width of the single seam structure.
The further preferred technical scheme is as follows: the transverse section of the sliding plate is in a right trapezoid shape, and the edge of the sliding plate corresponding to the acute angle of the right trapezoid is the seam edge of the single seam structure.
The further preferred technical scheme is as follows: the side sliding plate unit further comprises a bottom plate slot which is arranged on the side face of the perforated bottom plate and used for limiting and clamping the sliding plate.
The further preferred technical scheme is as follows: the side sliding plate unit further comprises a circular groove which is arranged on the side surface of the sliding plate close to the vertical fixing plate and used for inserting and fixing the hemming jacking bolt.
The further preferred technical scheme is as follows: the middle sliding strip unit further comprises four clamping plate parts, two fixing bolts and two bolt jacking parts, the four clamping plate parts are arranged on the side face of the perforated bottom plate and located at the upper side and the lower side of the two sliding plates on two sides in pairs, the two fixing bolts are arranged on the side face of the perforated bottom plate and used for fixing the two clamping plate parts on one side, the two bolt jacking parts are arranged on the other side edge of the perforated bottom plate and used for slidably adjusting the two clamping plate parts on the other side, the two clamping plate parts on the upper side and the lower side on the same side are overlapped with each other, one vertical lath is arranged between the upper clamping plate part and the lower clamping plate part on the same side on the left side and the right.
The further preferred technical scheme is as follows: the clamping plate part comprises an outer side main plate, an inner side plate and a protruding plate, the outer side main plate is used for installing the fixing bolt or the bolt jacking part, the inner side plate is arranged on the side face of the outer side main plate and is overlapped with the clamping plate part in the upper and lower sides, the protruding plate is arranged on the side face of the overlapped side of the inner side plate and is used for hooking the clamping plate part in the upper and lower sides, the upper end and the lower end of the vertical lath are respectively arranged on the opposite side faces of the inner side plate in the upper and lower sides, and the protruding plate.
The further preferred technical scheme is as follows: bolt jack-up portion is including setting up just be located on the trompil bottom plate side the vertical piece in the outside mainboard outside sets up vertical piece with seam between the relative side of outside mainboard is apart from reset spring, and the spiro union setting is in on the vertical piece and through inside jack-up outside mainboard and then increase two the mode of vertical lath staggered distance is in order to be used for the increase the seam of double seam structure seam distance is apart from jack-up bolt.
The further preferred technical scheme is as follows: the middle sliding strip unit further comprises bottom edge limiting plates which are arranged on the side faces of the perforated bottom plate and used for limiting the lower surfaces of the two clamping plate parts below the clamping plates.
The double-slit structure has the advantages that the double-slit structure is reasonable and effective, the two parameters of the slit width and the slit distance of the double-slit structure are simple and convenient to adjust, the double-slit structure before and after adjustment has high stability, the double-slit structure is not easy to accidentally loosen and offset, the slit width and the slit distance can be adjusted steplessly within a certain range, and various teaching requirements can be met.
Drawings
FIG. 1 is a schematic view of the present invention at a light entrance angle, i.e., a front view angle when in use.
Fig. 2 is a schematic view of the position structure of the side sliding plate unit according to the present invention.
FIG. 3 is a schematic structural diagram of the bottom plate of the present invention.
Fig. 4 is a schematic view of the use of two vertical slats and two sliding panels to form an adjustable double seam in a top view.
Fig. 5 is a schematic structural view of the middle slider unit of the present invention after both sides thereof are opened.
FIG. 6 is a schematic view showing the engagement between two engaging plate portions on the same side of the upper and lower sides of the present invention.
Detailed Description
The following description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.
Example (b): as shown in fig. 1, 2, 3, 4, 5 and 6, an overlapped type high-stability adjustable double-slit device comprises a vertically arranged perforated bottom plate 11, two side sliding plate units 1 which are arranged on the side surfaces of the perforated bottom plate 11 and are respectively positioned at two sides and are used for forming a single-slit structure, and a middle sliding strip unit 2 which is arranged on the side surface of the perforated bottom plate 11 and is staggered after two vertical strips 201 are overlapped in the single-slit structure so as to be used for adjusting the slit distance of the double-slit structure.
In the present embodiment, the adjustment of the gap of the double-slit structure is performed by pulling apart the two initially overlapped vertical slats 201 in a staggered manner, the larger the pulling-apart range is, the larger the gap is, otherwise, the complete overlapping is the smallest, in the present embodiment, the width of the vertical slats 201 is 0.5mm, and therefore, in principle, the adjustment range of the gap of the double-slit structure is 0.5-1.0 mm.
On the other hand, the seam width of the double-seam structure is adjusted by the two side sliding plate units 1 on the two sides, and the seam width of the double-seam structure is larger when the two side sliding plate units 1 are pulled to be wider, and is smaller when the two side sliding plate units are pulled to be wider, otherwise.
It should be noted that, for example, when the gap is increased, if it is necessary to keep the width of the strip gap constant, the side sliding plate unit 1 needs to be pulled outward in synchronization.
Finally, after the light rays sequentially pass through the double-slit structure and the holes in the hole bottom plate 11, effective double-slit interference experiments can be carried out.
The middle sliding bar unit 2 and the two side sliding bar units 1 are both located on the same side of the perforated bottom plate 11.
In this embodiment, all the middle sliding bar units 2 and the side sliding bar units 1 are located on the same side of the perforated bottom plate 11, which may facilitate factory installation and adjustment of the adjustable double-slit device, but in principle, it is also possible that the middle sliding bar units 2 are separated from two side sliding bar units 1.
The side sliding plate unit 1 includes a vertical fixing plate 101 disposed at a side position on a side surface of the perforated base plate 11, a sliding plate 102 disposed on a side surface of the perforated base plate 11 and inside the vertical fixing plate 101 and used for forming a seam of the single seam structure, a seam return spring 103 disposed between the vertical fixing plate 101 and an opposite side surface of the sliding plate 102, and a seam jacking bolt 104 screwed on the vertical fixing plate 101 and used for reducing a seam width of the single seam structure by rotating inward to jack up the sliding plate 102. The transverse section of the sliding plate 102 is a right trapezoid, and the edge of the sliding plate 102 corresponding to the acute angle of the right trapezoid is the hem of the single seam structure. The side sliding plate unit 1 further includes a bottom plate slot 105 disposed on the side of the perforated bottom plate 11 for limiting the engagement of the sliding plate 102. The side sliding plate unit 1 further includes a circular groove 106 provided on the side of the sliding plate 102 close to the vertical fixing plate 101 and used for inserting and fixing the hemming jack-up bolt 104.
In the present embodiment, the method of using the side sliding plate unit 1 and the advantages thereof are as follows.
Firstly, the seam width is required to be adjusted for the seam distance which is fixed initially, the adjustment mode is to screw two seam edge jacking bolts 104, namely the seam width of the side is smaller the farther the seam edge jacking bolts 104 go inwards, and vice versa, wherein the seam edge return spring 103 is used for keeping the seam width, and the 'knife edge' of the inner side of the sliding plate 102 is the boundary of the outer side of the seam width.
Secondly, the bottom plate slot 105 is only used for inserting the hemming lift bolt 104, and the inner side of the bottom plate slot 105 has no threads, and the bottom plate slot 105 and the circular slot 106 are used for stably sliding the sliding plate 102 from side to side, so as to prevent the sliding plate 102 from turning and falling off, and both of them can be used alternatively or together.
Thirdly, the number of the side sliding plate units 1 is two, so that the positions of the seam edges at two sides of the double seam, namely the seam width parameters at two sides, are independently adjusted, and the adjustable double seam device can have an asymmetric structure with a wider seam at one side and a narrower seam at one side, thereby greatly enriching the teaching effect of the double seam experiment.
The middle sliding strip unit 2 further includes four clamping plate portions 202 arranged on the side surface of the perforated bottom plate 11 and located at the upper and lower sides of the two sliding plates 102 on two sides, two fixing bolts 203 arranged on the side surface of the perforated bottom plate 11 and used for fixing the two clamping plate portions 202 on one side, and two bolt jacking portions 204 arranged on the other side edge of the perforated bottom plate 11 and used for slidably adjusting the two clamping plate portions 202 on the other side, the two clamping plate portions 202 on the upper and lower sides are overlapped with each other, one vertical slat 201 is arranged between the two clamping plate portions 202 on the upper and lower sides on the same side, and the two vertical slats 201 are overlapped between the two opposite inclined surfaces of the sliding plates 102.
The fastening plate 202 includes an outer main plate 202a for mounting the fixing bolt 203 or the bolt jacking portion 204, an inner plate 202b disposed on a side surface of the outer main plate 202a and overlapping between two fastening plates 202 on the same side in the vertical direction, and a protruding plate 202c disposed on a side surface of the inner plate 202b overlapping and fastening between two fastening plates 202 on the same side in the vertical direction, wherein upper and lower ends of the vertical slat 201 are disposed on opposite side surfaces of the two inner plates 202b in the vertical direction. The bolt jacking portion 204 comprises a vertical block 204a arranged on the side surface of the perforated bottom plate 11 and positioned outside the outer side main plate 202a, a gap distance return spring 204b arranged between the vertical block 204a and the opposite side surface of the outer side main plate 202a, and a gap distance jacking bolt 204c which is screwed on the vertical block 204a and used for increasing the gap distance of the double-gap structure in a mode of jacking the outer side main plate 202a inwards to further increase the staggered distance of the two vertical battens 201.
In the present embodiment, the method of use and advantages of the intermediate slider unit 2 are as follows.
First, in the intermediate slide bar unit 2, only two vertical strips 201 are actually effective in the double-slit structure, and therefore, in this embodiment, four engaging plate portions 202 having a relatively small volume are used to mount a total of four upper and lower end surfaces of two vertical strips 201, thereby ensuring that the intermediate slide bar unit 2 has advantages of a relatively small area and a relatively small material consumption.
Secondly, the two clamping plate portions 202 on one side are fixedly connected with one vertical lath 201, so that the middle sliding strip unit 2 only has a one-side adjusting structure, unnecessary adjusting operation is reduced, the vertical lath 201 provided with the bolt jacking portion 204 slides on the fixed vertical lath 201, the overlapping area of the two vertical laths can be adjusted, the smaller the overlapping area is, the larger the seam distance is, otherwise, the larger the overlapping area is, the smaller the seam distance is, and finally, the purpose of flexibly adjusting the seam distance is achieved.
Thirdly, the thickness of the inner side plate 202b is smaller than that of the outer side main plate 202a, so that it can be ensured that two inner side plates 202b on the same upper and lower sides can be overlapped between two outer side main plates 202a, the two vertical laths 201 can be overlapped, one protruding plate 202c is used for hooking the other protruding plate 202c, at this time, the two vertical laths 201 are set to be the maximum slot width, namely, the above-mentioned slot width of 1.0mm, and the above-mentioned hooking structure can also ensure that the whole middle sliding bar unit 2 is not detached and separated even after the slot pitch jacking bolt 204c is lost.
Fourthly, the middle sliding bar unit 2 adopts the way of the two upper and lower clamping plate parts 202, and the purpose is to avoid the two middle side sliding bar units 1, so that the two vertical laths 201 can form an effective adjustable gap structure in the "knife edge" of the two sliding bars 102.
The middle sliding strip unit 2 further includes a bottom edge limiting plate 205 disposed on the side surface of the perforated bottom plate 11 and used for limiting and clamping the lower surfaces of the two clamping plate portions 202 below.
In this embodiment, the bottom edge limiting plate 205 has two functions: the first is that the upper and lower pair of the engaging plate portions 202, which are fixedly installed, can perform a vertical aligning function when they are installed; the second is that the pair of upper and lower engaging plate portions 202 in the sliding adjustment can support and balance the dead weight thereof in the process of sliding left and right, thereby avoiding the problem of downward deflection.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the claims appended hereto.
Claims (10)
1. The utility model provides an adjustable double slit device of eclipsed form high stability, includes the trompil bottom plate (11) of vertical setting, its characterized in that: the double-slit structure is characterized by further comprising two side sliding plate units (1) which are arranged on the side face of the perforated bottom plate (11) and are respectively located at two sides and used for forming a single-slit structure, and a middle sliding strip unit (2) which is arranged on the side face of the perforated bottom plate (11) and is used for adjusting the slit distance of the double-slit structure in a staggered mode after two vertical battens (201) are overlapped in the single-slit structure.
2. An overlapping high stability adjustable double slit device as claimed in claim 1, wherein: the middle sliding bar unit (2) and the two side sliding plate units (1) are both positioned on the same side surface of the perforated bottom plate (11).
3. An overlapping high stability adjustable double slit device as claimed in claim 1, wherein: the side sliding plate unit (1) comprises a vertical fixing plate (101) arranged at the side position on the side surface of the opening bottom plate (11), a sliding plate (102) arranged on the side surface of the opening bottom plate (11) and positioned at the inner side of the vertical fixing plate (101) and used for forming the seam of the single seam structure, a seam return spring (103) arranged between the vertical fixing plate (101) and the opposite side surface of the sliding plate (102), and a seam lifting bolt (104) which is screwed on the vertical fixing plate (101) and used for reducing the seam width of the single seam structure in a mode of further lifting the sliding plate (102) by inward rotation.
4. An overlapping high stability adjustable double slit device as claimed in claim 3, wherein: the transverse section of the sliding plate (102) is in the shape of a right trapezoid, and the edge of the sliding plate (102) corresponding to the acute angle of the right trapezoid is the hem of the single-slit structure.
5. An overlapping high stability adjustable double slit device as claimed in claim 3, wherein: the side sliding plate unit (1) further comprises a bottom plate slot (105) which is arranged on the side surface of the perforated bottom plate (11) and used for limiting and clamping the sliding plate (102).
6. An overlapping high stability adjustable double slit device as claimed in claim 3, wherein: the side sliding plate unit (1) further comprises a circular groove (106) which is arranged on the side surface of the sliding plate (102) close to the vertical fixing plate (101) and is used for inserting and fixing the hemming jacking bolt (104).
7. An overlapping high stability adjustable double slit device as claimed in claim 4, wherein: the middle sliding strip unit (2) also comprises four clamping plate parts (202) which are arranged on the side surface of the perforated bottom plate (11) and are respectively positioned at the upper and lower sides of the two sliding plates (102) at two sides in pairs, two fixing bolts (203) which are arranged on the side surface of the perforated bottom plate (11) and are used for fixing the two clamping plate parts (202) at one side, and the two bolt jacking parts (204) are arranged on the other side of the perforated bottom plate (11) and used for slidably adjusting the two clamping plate parts (202) on the other side, the left clamping plate part and the right clamping plate part (202) on the same upper side and the same lower side are respectively overlapped, one vertical lath (201) is arranged between the upper clamping plate part and the lower clamping plate part (202) on the same left side and the right side, and the two vertical laths (201) are overlapped between the opposite inclined planes of the two sliding plates (102).
8. An overlapping high stability adjustable double slit device as claimed in claim 7, wherein: the clamping plate parts (202) comprise outer side main plates (202 a) used for installing the fixing bolts (203) or the bolt jacking parts (204), inner side plates (202 b) which are arranged on the side surfaces of the outer side main plates (202 a) and are overlapped between the two clamping plate parts (202) on the same side from top to bottom, and protruding plates (202 c) which are arranged on the side surfaces of the overlapped side of the inner side plates (202 b) and are used for mutually clamping and hooking the two clamping plate parts (202) on the same side from top to bottom, wherein the upper ends and the lower ends of the vertical battens (201) are respectively arranged on the opposite side surfaces of the two inner side plates (202 b) from top to bottom.
9. An overlapping high stability adjustable double slit device as claimed in claim 7, wherein: the bolt jacking portion (204) comprises a vertical block (204 a) arranged on the side face of the perforated bottom plate (11) and located on the outer side of the outer side main plate (202 a), a joint distance return spring (204 b) arranged between the vertical block (204 a) and the opposite side face of the outer side main plate (202 a), and a joint distance jacking bolt (204 c) which is arranged on the vertical block (204 a) in a screwing mode and is used for increasing the joint distance of the double-joint structure in a mode that the outer side main plate (202 a) is jacked inwards and the staggered distance of the two vertical battens (201) is increased.
10. An overlapping high stability adjustable double slit device as claimed in claim 7, wherein: the middle sliding strip unit (2) further comprises bottom edge limiting plates (205) which are arranged on the side faces of the perforated bottom plate (11) and used for limiting the lower surfaces of the two clamping plate parts (202) below the clamping parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110264589.6A CN113035034B (en) | 2021-03-11 | 2021-03-11 | Overlapped type high-stability adjustable double-slit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110264589.6A CN113035034B (en) | 2021-03-11 | 2021-03-11 | Overlapped type high-stability adjustable double-slit device |
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| CN113035034A true CN113035034A (en) | 2021-06-25 |
| CN113035034B CN113035034B (en) | 2022-11-18 |
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| CN207367456U (en) * | 2017-04-28 | 2018-05-15 | 重庆科技学院 | The special sodium lamp of interference experiment |
| CN208091821U (en) * | 2017-12-23 | 2018-11-13 | 济南大学 | Young's modulus measuring system |
| CN208284127U (en) * | 2017-09-12 | 2018-12-25 | 吉林大学 | A kind of Mobyneb fraunhofer dynamic diffractive experimental provision |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1003978A1 (en) * | 1997-08-19 | 2000-05-31 | Clarke, Ronald C. | Load indicating fastener systems method and apparatus |
| CN2330032Y (en) * | 1998-07-01 | 1999-07-21 | 吉林大学 | Dynamic demonstrator for multi-slit fraunhofer diffraction pattern |
| EP1746559A1 (en) * | 2005-07-20 | 2007-01-24 | Richstone Consulting LLC | A method for simulating a manual interventional operation by a user in a medical procedure |
| CN102915661A (en) * | 2012-08-11 | 2013-02-06 | 曾克夫 | Movable type laser reflection, laser refraction and lens imaging demonstration combined device and using method thereof |
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|---|---|
| CN113035034B (en) | 2022-11-18 |
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