CN109147519A - Light reflection teaching demonstration device - Google Patents
Light reflection teaching demonstration device Download PDFInfo
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- CN109147519A CN109147519A CN201811027943.8A CN201811027943A CN109147519A CN 109147519 A CN109147519 A CN 109147519A CN 201811027943 A CN201811027943 A CN 201811027943A CN 109147519 A CN109147519 A CN 109147519A
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- 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
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/22—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for optics
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Abstract
The invention discloses a light reflection teaching demonstration device which comprises a supporting base, a demonstration panel, a light source component fixing part, a first dial, a second dial and a reflection component, wherein the demonstration panel, the light source component fixing part, the first dial, the second dial and the reflection component are arranged on the supporting base. The invention can accurately demonstrate the reflection experiment effect of the light, has reasonable integral structure and simple operation, ensures that the teaching is vivid and interesting, and can be widely applied to physical teaching.
Description
Technical field
The present invention relates to a kind of physical teaching aid, the reflection teaching demonstration device of specifically a kind of light.
Background technique
Students aid in teaching aid and experimental provision when learning book knowledge, the understanding to knowledge is deepened
Have and greatly help with grasping, especially for the student of the relevant knowledges such as the reflection of first contacts study light, physics with
Hall experimental provision is very necessary.And in existing physics teaching, just lack such physics in-class experiment device, teacher
Book knowledge is fully relied on to carry out teaching or oneself make some nonstandard self-control physical teaching aids to help student to manage
Physical knowledge is solved, ideal effect is all not achieved in the either reliability of teaching aid and actual teaching purpose.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of reflection teaching demonstration device of light, is able to solve existing skill
The above problem in the presence of art.
The present invention to achieve the above object, is achieved through the following technical solutions: a kind of reflection teaching demonstration device of light,
Including support base, the demonstration panel being set in the support base, light source assembly, light source assembly fixing piece, the first scale
Disk, the second dial and reflection subassembly, it is the light source assembly, the light source assembly fixing piece, first dial, described
Second dial and the reflection subassembly are all set on the demonstration panel, are additionally provided with circular rail on the demonstration panel
Road, guide wheel fixation hole, the first slippage slot that the first dial horizontal direction can be made mobile and second dial can be made
The second mobile slippage slot of horizontal direction, first dial and second dial are that size is identical semicircle and right
Claim to be arranged in the reflection subassembly two sides, the length of the circuit orbit in the horizontal direction and height in the vertical direction are equal
Greater than the maximum gauge of first dial and second dial, the light can be fixed by being provided with outside the light source assembly
The light source assembly fixing piece of source component, the light source assembly fixing piece are set on the circuit orbit and can be along the circular rails
Road movement, the reflection subassembly includes guide wheel assembly, guide assembly, slide block, the first reflecting mirror and the second reflecting mirror, described to lead
Wheel assembly includes the first guide wheel, the second guide wheel, third guide wheel and four guide idler, and it is solid that the guide wheel assembly passes through the guide wheel respectively
Determine hole to be fixed on the demonstration panel, first guide wheel and second guide wheel, the third guide wheel and the described 4th are led
Wheel level height is equal, and the third guide wheel is set to the underface of first guide wheel, and the four guide idler is set to institute
The underface of the second guide wheel is stated, first guide wheel, second guide wheel, the third guide wheel and the four guide idler include
Perpendicular to the pulley of demonstration panel direction setting, the guide assembly upper end is provided with the first fixed plate, described on two edges
First fixed plate top two sides is provided with the first guide rail and the second guide rail, and the lower end of the guide assembly is equipped with the second fixed plate,
Second fixed plate lower part two sides are provided with third guide rail and the 4th guide rail, and the guide assembly is slidably assemblied in described lead
Between wheel assembly, first guide wheel and second guide wheel are close to the pulley and second guide rail for demonstrating panel side
It is slidably matched, pulley and first guide rail far from the demonstration panel side of first guide wheel and second guide wheel are sliding
Dynamic cooperation, the third guide wheel and the four guide idler are slided close to the pulley of the demonstration panel side and the 4th guide rail
The pulley of cooperation, the third guide wheel and the four guide idler far from the demonstration panel side is matched with third guide rail sliding
It closes, first fixed plate upper surface is installed with the first reflecting mirror, and second fixed plate bottom surface is installed with the second reflecting mirror, institute
Stating the first reflecting mirror and the center of circle of first dial, height is equal in the horizontal direction, second reflecting mirror and described the
Height is equal in the horizontal direction in the center of circle of two dials, and being fixed between first fixed plate and second fixed plate can
Drive the slide block that the guide assembly slides between the guide wheel assembly.
As restriction, the light source assembly fixing piece includes the first connector of the separate circuit orbit, close to described
Second connector of circuit orbit, the gag lever post and fixing bolt that can be slided along the circuit orbit, the first connector packet
Include first connecting portion, the first connecting hole for being arranged in the first connecting portion, third interconnecting piece and setting connect in the third
Third connecting hole in socket part, second connector includes second connecting portion, be arranged in the second connecting portion second
Connecting hole, the 4th interconnecting piece and the 4th connecting hole being arranged on the 4th interconnecting piece, first connecting hole and described the
Two connecting holes, the third connecting hole are correspondingly arranged with the 4th connecting hole and are fixed by fixing bolt, the limit
Bar is arranged on second connector.
It is limited as another kind, first dial includes the first bolt being connected with the first dial, the first preload
One end that spring and the first regulation handle, first bolt and first dial are connected is assemblied in first slippage slot
In and the other end be threadedly coupled with first regulation handle, be set with the first preloading spring on first bolt, described
One preloading spring one end is resisted against on the trailing flank of the demonstration panel and the other end is resisted against in first regulation handle.
As restriction, second dial include with the second dial be connected the second bolt, the second preloading spring and
Second regulation handle, one end that second bolt and second dial are connected are assemblied in second slippage slot and another
One end is threadedly coupled with second regulation handle, and the second preloading spring is set on second bolt, and described second pre-tightens
Spring one end is resisted against on the trailing flank of the demonstration panel and the other end is resisted against in second regulation handle.
It is limited as another kind, first guide wheel includes first pulley, second pulley, connecting column, pin shaft and nut, institute
State first pulley and the second pulley by the connecting column be connected, the second pulley towards it is described demonstration panel side
It is fixed with the pin shaft, the pin shaft is correspondingly arranged with the guide wheel fixation hole on the demonstration panel, and the pin shaft is led with described
Fixation hole assembly is taken turns, the pin shaft is equipped with screw thread far from one end of the second pulley, is connected with the nut on the screw thread,
First guide wheel, second guide wheel, the third guide wheel and the four guide idler structure are all the same.
It being limited as further, first slippage slot and the second sliding slot length and depth are equal, and
The length of first slippage slot and second slippage slot is less than the radius of the circuit orbit.
As restriction, the depth of first slippage slot and second slippage slot is greater than the depth of the circuit orbit.
It is limited as further, further includes lockable mechanism, the lockable mechanism is set on the demonstration panel and edge
The excircle of the circuit orbit is circumferentially arranged, and the lockable mechanism includes briquetting, connecting plate, torsional spring, shaft and positive stop hook, institute
It states connecting plate to be fixedly arranged on the downside of the briquetting and be in inverted V type, the both ends of the connecting plate V-type opening are connected separately with described turn
Axis, the positive stop hook is symmetricly set on the connecting plate two sides and one end is connect with the shaft, and the positive stop hook is L-shaped and right
Claim the positive stop hook of setting that can prevent the gag lever post from deviating from, the torsional spring is symmetricly set on the connecting plate two sides and spring coil
It is placed in the shaft, a torque arm of the torsional spring is against the connecting plate, and another torque arm is against the positive stop hook.
It is limited as further, the length of the gag lever post is less than the depth of the circuit orbit, and described stirs
The height of block is less than the radius of first dial and second dial.
The present invention is due to using above-mentioned structure, and compared with prior art, acquired technological progress is: this hair
It is bright angular adjustment to be carried out to the incident angle of light source assembly, after light source irradiation, the first dial of rotation or the can be passed through
The regulation handle of two dials adjusts the angle of dial, and the angle for making light source be irradiated to reflecting optics can directly pass through dial
It reads, guarantees the accuracy of experiment effect, promote study initiative, guarantee teaching vivid and interesting.
To sum up, practicability of the present invention is high, can satisfy physics teaching demand, and can reach good teaching efficiency.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
Fig. 1 is overall structure diagram described in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of demonstration panel rear described in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of light source assembly fixing piece described in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the first dial described in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the second dial described in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the first guide wheel described in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of guide assembly described in the embodiment of the present invention；
Fig. 8 is the structural schematic diagram of lockable mechanism described in the embodiment of the present invention.
In the accompanying drawings: 1- support base, 2- demonstrate panel, 21- circuit orbit, 22- guide wheel fixation hole, the sliding of 23- first
Slot, the second slippage slot of 24-, 3- light source assembly, the first dial of 4-, the first bolt of 41-, the first preloading spring of 42-, 43- first
Regulation handle, the second dial of 5-, the second bolt of 51-, the second preloading spring of 52-, the second regulation handle of 53-, 6- light source assembly
Fixing piece, the first connector of 61-, 611- first connecting portion, the first connecting hole of 612-, 613- third interconnecting piece, 614- third connect
Connect hole, the second connector of 62-, 621- second connecting portion, the second connecting hole of 622-, the 4th interconnecting piece of 623-, the connection of 624- the 4th
Hole, 63- gag lever post, 64- fixing bolt, 7- reflection subassembly, 71- guide wheel assembly, the first guide wheel of 711-, 7111- first pulley,
7112- connecting column, 7113- pin shaft, 7114- nut, 7115- second pulley, the second guide wheel of 712-, 713- third guide wheel, 714-
Four guide idler, 72- guide assembly, the first guide rail of 721-, the second guide rail of 722-, the first fixed plate of 723-, 724- third guide rail,
The 4th guide rail of 725-, the second fixed plate of 726-, 73- slide block, the first reflecting mirror of 74-, the second reflecting mirror of 75-, 8- lockable mechanism,
81- briquetting, 82- connecting plate, 83- torsional spring, 84- shaft, 85- positive stop hook.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation
Mode describes certain exemplary embodiments of the invention.Undoubtedly, those skilled in the art will recognize,
In the case where without departing from the spirit and scope of the present invention, described embodiment can be repaired with a variety of different modes
Just.Therefore, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
As Figure 1-Figure 8, the reflection teaching demonstration device of light according to an embodiment of the present invention, including support base 1, set
Demonstration panel 2, light source assembly 3, light source assembly fixing piece 6, the first dial 4, the second scale being placed in the support base 1
Disk 5 and reflection subassembly 7, the light source assembly 3, the light source assembly fixing piece 6, first dial 4, second quarter
Scale 5 and the reflection subassembly 7 are all set on the demonstration panel 2, are additionally provided with circuit orbit on the demonstration panel 2
21, guide wheel fixation hole 22,4 horizontal direction of the first dial can be made mobile the first slippage slot 23 and second quarter can be made
The second mobile slippage slot 24 of 5 horizontal direction of scale, first dial 4 and second dial 5 are that size is identical
It is semicircle and be symmetricly set on 7 two sides of reflection subassembly, the circuit orbit 21 length in the horizontal direction and vertical
Height on direction is all larger than the maximum gauge of first dial 4 and second dial 5, outside the light source assembly 3
It is provided with the light source assembly fixing piece 6 that can fix the light source assembly 3, the light source assembly fixing piece 6 is set to the circle
It can move on track 21 and along the circuit orbit 21, the reflection subassembly 7 includes guide wheel assembly 71, guide assembly 72, stirs
Block 73, the first reflecting mirror 74 and the second reflecting mirror 75, the guide wheel assembly 71 include the first guide wheel 711, the second guide wheel 712, the
Three guide wheels 713 and four guide idler 714, the guide wheel assembly 71 are fixed on the demonstration face by the guide wheel fixation hole 22 respectively
On plate 2, first guide wheel 711 and second guide wheel 712, the third guide wheel 713 and the four guide idler 714 are horizontal high
Degree is equal, and the third guide wheel 713 is set to the underface of first guide wheel 711, and the four guide idler 714 is set to institute
State the underface of the second guide wheel 712, first guide wheel 711, second guide wheel 712, the third guide wheel 713 and described
Four guide idler 714 includes pulley of two edges perpendicular to demonstration 2 direction of panel setting, 72 upper end of the guide assembly setting
There is the first fixed plate 723, the 723 top two sides of the first fixed plate are provided with the first guide rail 721 and the second guide rail 722, described
The lower end of guide assembly 72 is equipped with the second fixed plate 726, and the 726 lower part two sides of the second fixed plate are provided with third guide rail 724
With the 4th guide rail 725, the guide assembly 72 is slidably assemblied between the guide wheel assembly 71,711 He of the first guide wheel
Pulley of second guide wheel 712 close to demonstration 2 side of panel is slidably matched with second guide rail 722, and described first
Guide wheel 711 and second guide wheel 712 are slidably matched far from the pulley of demonstration 2 side of panel with first guide rail 721,
The third guide wheel 713 and the four guide idler 714 are close to the pulley and the 4th guide rail 725 for demonstrating 2 side of panel
It is slidably matched, pulley far from demonstration 2 side of panel of the third guide wheel 713 and the four guide idler 714 and described the
Three guide rails 724 are slidably matched, and 723 upper surface of the first fixed plate is installed with the first reflecting mirror 74, second fixed plate 726
Bottom surface is installed with the second reflecting mirror 75, and the center of circle of first reflecting mirror 74 and first dial 4 is high in the horizontal direction
Spend equal, height is equal in the horizontal direction for second reflecting mirror 75 and the center of circle of second dial 5, and described first is solid
Being fixed between fixed board 723 and second fixed plate 726 can drive the guide assembly 72 sliding between the guide wheel assembly 71
The dynamic slide block 73.
In the embodiment of the present invention, support base 1 and demonstration panel 2 play carrying, and light source assembly 3 generates light beam,
Due to being provided with the light source assembly fixing piece 6 of fixed light source component 3 outside light source assembly 3, light source assembly fixing piece 6 is set to circle
It can move on track 21 and along circuit orbit 21, i.e., drive light source assembly 3 on circuit orbit 21 by light source assembly fixing piece 6
While taking exercises, the adjustable light angle for being incident on reflecting mirror, incident angle becomes with the circular motion of light source assembly 3
Change, the demonstration in teaching to different angle can be facilitated, keep teaching process more rigorous, and can be repeated several times the different incidences of demonstration
The reflecting experimental of angle；By solid in fixed first reflecting mirror 74 in 723 upper surface of the first fixed plate, 726 bottom surface of the second fixed plate
If the second reflecting mirror 75, reflection survey can also be carried out when light source assembly 3 moves to below reflection subassembly 7 along circuit orbit 21
Amount experiment, improve the popularity of measurement, meanwhile, by by the center of circle of the first reflecting mirror 74 and the first dial 4 in the horizontal direction
Upper height is equal, height is equal in the horizontal direction with the center of circle of the second dial 5 for the second reflecting mirror 75, can be convenient in measurement
Data are read, measurement accuracy is improved；At this time can by adjust the first dial 4 or the second dial 5 in the first slippage slot 23 or
Moved horizontally in second slippage slot 24, make incidence angles degree light can the just directive dial center of circle, set on dial
In respect of graduation mark, and then convenient reading incident angle and reflection angle, to achieve the purpose that accurately to demonstrate.When light source assembly 3
After light beam is incident on reflecting mirror, by pushing guide assembly 72 in the first guide wheel 711, the second guide wheel 712 and third guide wheel
713, it is moved horizontally between four guide idler 714, the horizontal position of reflecting mirror is made to change, so that light is incident on reflecting mirror
Suitable position guarantees experiment effect, in this way, part flaw or reflecting effect are poor, realization is not achieved even if reflecting optics have
Effect can also accurately complete reflection teaching experiment by adjusting the horizontal position of reflecting mirror.
Further, as shown in Figure 1, Figure 3, the light source assembly fixing piece 6 includes the far from the circuit orbit 21
A connection piece 61, close to the circuit orbit 21 the second connector 62, can along the circuit orbit 21 slide gag lever post 63
With fixing bolt 64, first connector 61 includes first connecting portion 611, be arranged in the first connecting portion 611 the
One connecting hole 612, third interconnecting piece 613 and the third connecting hole 614 being arranged on the third interconnecting piece 613, described second
Connector 62 includes second connecting portion 621, the second connecting hole 622, the 4th interconnecting piece being arranged in the second connecting portion 621
623 and the 4th connecting hole 624 that is arranged on the 4th interconnecting piece 623, first connecting hole 612 connect with described second
Hole 622, the third connecting hole 614 and the 4th connecting hole 624 are correspondingly arranged and are fixed by fixing bolt 64, described
Gag lever post 63 is arranged on second connector 62.
In the embodiment of the present invention, light source assembly fixing piece 6 include the first connector 61, the second connector 62, can be along institute
The gag lever post 63 and fixing bolt 64 of the sliding of circuit orbit 21 are stated, wherein the first connector 6 and the second connector 62 form circle,
By the fixation of circular light source assembly 3, wherein it is preferred to, the first connector 61 and the second connector 62 are semicircle；First
The both ends of connector 61 are respectively equipped with first connecting portion 611, third interconnecting piece 613, and the both ends of the second connector 62 are respectively equipped with
Second connecting portion 621, the 4th interconnecting piece 623, and first connecting portion 611 and second connecting portion 621, third interconnecting piece 613 and the
Four interconnecting pieces 623 are fixed by fixing bolt 64, that is, realize the fixation of light source assembly 3, fixed, and it is reliable to improve structure
Property；Meanwhile gag lever post 63 can slide in circuit orbit 21, can play guiding role to the movement of light source assembly 3.
Further, as shown in figure 4, first dial 4 include with the first dial 4 be connected the first bolt 41,
First preloading spring 42 and the first regulation handle 43, first bolt 41 are assembled with one end that first dial 4 is connected
In first slippage slot 23 and the other end is threadedly coupled with first regulation handle 43, is set on first bolt 41
There is the first preloading spring 42, described first preloading spring, 42 one end is resisted against on the trailing flank of the demonstration panel 2 and the other end
It is resisted against in first regulation handle 43.
In the embodiment of the present invention, when 3 incident ray of light source assembly is irradiated to the first reflecting mirror 74, first can be passed through at this time
Scale on the dial plate of dial 4 reads the numerical value of incident angle and reflection angle, since the first dial 4 includes and the first quarter
Scale 4 connected the first bolt 41, the first preloading spring 42 and the first regulation handle 43, can be in reading angular, by the first quarter
Scale 4 rotates by a certain angle, and facilitates the reading of angular values, for example read after incident ray is aligned with " 0 " on graduation mark
Angle value etc..
Further, as shown in figure 5, second dial 5 include with the second dial 5 be connected the second bolt 51,
Second preloading spring 52 and the second regulation handle 53, second bolt 51 are assembled with one end that second dial 5 is connected
In second slippage slot 24 and the other end is threadedly coupled with second regulation handle 53, is set on second bolt 51
There is the second preloading spring 52, described second preloading spring, 52 one end is resisted against on the trailing flank of the demonstration panel 2 and the other end
It is resisted against in second regulation handle 53.
In the embodiment of the present invention, when 3 incident ray of light source assembly is irradiated to the second reflecting mirror 75, second can be passed through at this time
Scale on the dial plate of dial 5 reads the numerical value of incident angle and reflection angle, since the second dial 5 includes and the second quarter
Scale 5 connected the second bolt 51, the second preloading spring 52 and the second regulation handle 53, can be in reading angular, by the second quarter
Scale 5 rotates by a certain angle, and facilitates the reading of angular values, for example read after incident ray is aligned with " 0 " on graduation mark
Angle value etc..
Further, as shown in fig. 6, first guide wheel 711 includes first pulley 7111, second pulley 7115, connection
Column 7112, pin shaft 7113 and nut 7114, the first pulley 7111 and the second pulley 7115 pass through the connecting column
7112 are connected, and the side of the second pulley 7115 towards the demonstration panel 2 is fixed with the pin shaft 7113, the pin shaft
7113 are correspondingly arranged with the guide wheel fixation hole 22 on the demonstration panel 2, and the pin shaft 7113 is filled with the guide wheel fixation hole 22
Match, the pin shaft 7113 is equipped with screw thread far from one end of the second pulley 7115, is connected with the nut on the screw thread
7114, first guide wheel 711, second guide wheel 712, the third guide wheel 713 and 714 structure of four guide idler are homogeneous
Together.
In the embodiment of the present invention, the first guide wheel 711, the second guide wheel 712, third guide wheel 713 and four guide idler 714 are tied
Structure is identical, and each guide wheel includes first pulley 7111 and second pulley 7115, and two pulleys are solid by connecting cylinder 7112
Be connected, in this way, four pin shafts 7113 pass through four guide wheel fixation holes 22 and the trailing flank of demonstration panel 2 by screw thread with
Nut 7114 is locked, and keeps guide wheel assembly 71 fixed reliable.
Further, first slippage slot 23 and 24 length of the second slippage slot and depth are equal, and described
The length of one slippage slot 23 and second slippage slot 24 is less than the radius of the circuit orbit 21.So set, institute can be prevented
State the first dial 4 and second dial 5 move in the horizontal direction after interfere the circular motion of the light source assembly 3.
Further, when the gag lever post 63 of the light source assembly fixing piece 6 is slided along the circuit orbit 21, the limit
Bar 63 itself can carry out the rotation of certain angle, the light source assembly 3 can be driven to rotate by the rotation of the gag lever post 63, this
When the incident angle of 3 light beam of light source assembly is also adjusted, realize second level angular adjustment.So set, light source can be passed through
The gag lever post 63 of component fixing piece 6 slides the variation for realizing incident angle along circuit orbit 21, can also be by gag lever post 63 in circle
Spinning in shape track 21 realizes that the variation of incident angle, the two cooperation can make reflection teaching demonstration more lively, make student
It is more flexible to grasp relevant knowledge, reinforces teaching efficiency.
Further, the depth of first slippage slot 23 and second slippage slot 24 is greater than the circuit orbit 21
Depth.Preferably, the first slippage slot 23 and the second slippage slot 24 are through-hole, and circuit orbit 21 is half-via.
Further, as shown in figure 8, further including lockable mechanism 8, the lockable mechanism 8 is set on the demonstration panel 2
And be circumferentially arranged along the excircle of the circuit orbit 21, the lockable mechanism 8 includes briquetting 81, connecting plate 82, torsional spring 83, turns
Axis 84 and positive stop hook 85, the connecting plate 82 are fixedly arranged on 81 downside of briquetting and in inverted V type, the connecting plate 82V type openings
Both ends be connected separately with the shaft 84, the positive stop hook 85 be symmetricly set on 82 two sides of connecting plate and one end with it is described
Shaft 84 connects, and the positive stop hook 85 is L-shaped and the symmetrically arranged positive stop hook 85 can prevent the gag lever post 63 from deviating from, institute
State that torsional spring 83 is symmetricly set on 82 two sides of connecting plate and spring coil is placed in the shaft 84, a torque arm of the torsional spring 83 is supported
By the connecting plate 82, another torque arm is against the positive stop hook 85.
In the embodiment of the present invention, lockable mechanism 8 is set on demonstration panel 2 and along the excircle of circuit orbit 21 circumferential direction
Setting, lockable mechanism 8 include that briquetting 81, connecting plate 82, torsional spring 83, shaft 84 and positive stop hook 85 can be led to by pressing briquetting 81
Crossing connecting plate 82 makes 83 stress of torsional spring, and then positive stop hook 85 is driven to open, and enters in two positive stop hooks 85 to gag lever post 63, relieving is pressed
The briquetting 81 of pressure, can be realized the closing of positive stop hook 85, prevent gag lever post 63 from deviating from.Preferably, the diameter of the gag lever post 63
Equal to the maximum distance under two positive stop hooks, 85 stationary state, gag lever post 63 can at this time limited accurately, prevents gag lever post 63
Limited in positive stop hook 85 loosely, occur unusual fluctuation.Preferably, it is provided with several lockable mechanisms 8 on the circuit orbit 21, has
Body quantity can be configured according to realization demand, easy to operate so as to experimentation.By setting limit can be played to gag lever post 63
The lockable mechanism 8 of position effect, can make the gag lever post 63 fixed, facilitate measure teaching.
Further, the length of the gag lever post 63 is less than the depth of the circuit orbit 21, and the slide block 73
Height is less than the radius of first dial 4 and second dial 5.So set, gag lever post 63 can be made along circular rail
Road 21 move it is unobstructed, while 73 height of slide block be less than first dial 4 and second dial 5 radius,
Make reasonable integral structure, avoids the waste of teaching material.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, the equivalent changes and modifications made under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (1)
1. a kind of reflection teaching demonstration device of light, it is characterised in that: including support base, be set in the support base
Demonstrate panel, light source assembly, light source assembly fixing piece, the first dial, the second dial and reflection subassembly, the light source group
Part, the light source assembly fixing piece, first dial, second dial and the reflection subassembly are all set in institute
It states on demonstration panel, circuit orbit, guide wheel fixation hole is additionally provided on the demonstration panel, first dial can be made horizontal
The second slippage slot the first mobile slippage slot of direction and the second dial horizontal direction can be made mobile, first scale
Disk and second dial are the identical semicircle of size and are symmetricly set on the reflection subassembly two sides, the circuit orbit
Length in the horizontal direction and height in the vertical direction are all larger than first dial and second dial
Maximum gauge, the light source assembly are provided with the light source assembly fixing piece that can fix the light source assembly, the light source assembly outside
Fixing piece is set on the circuit orbit and can move along the circuit orbit, and the reflection subassembly includes guide wheel assembly, leads
Rail assembly, slide block, the first reflecting mirror and the second reflecting mirror, the guide wheel assembly are led including the first guide wheel, the second guide wheel, third
Wheel and four guide idler, the guide wheel assembly pass through the guide wheel fixation hole respectively and are fixed on the demonstration panel, and described first
Guide wheel and second guide wheel, the third guide wheel and the four guide idler level height are equal, the third guide wheel setting
In the underface of first guide wheel, the four guide idler is set to the underface of second guide wheel, first guide wheel, institute
Stating the second guide wheel, the third guide wheel and the four guide idler includes that two edges are arranged perpendicular to the demonstration panel direction
Pulley, the guide assembly upper end are provided with the first fixed plate, first fixed plate top two sides be provided with the first guide rail and
The lower end of second guide rail, the guide assembly is equipped with the second fixed plate, and second fixed plate lower part two sides are provided with third and lead
Rail and the 4th guide rail, the guide assembly are slidably assemblied between the guide wheel assembly, first guide wheel and described second
Pulley of the guide wheel close to the demonstration panel side is slidably matched with second guide rail, and first guide wheel and described second is led
Wheel is slidably matched far from the pulley of the demonstration panel side with first guide rail, the third guide wheel and the four guide idler
Pulley close to the demonstration panel side is slidably matched with the 4th guide rail, and the third guide wheel and the four guide idler are remote
Pulley from the demonstration panel side is slidably matched with the third guide rail, and first fixed plate upper surface is installed with first
Reflecting mirror, second fixed plate bottom surface are installed with the second reflecting mirror, the circle of first reflecting mirror and first dial
Height is equal in the horizontal direction for the heart, the center of circle of second reflecting mirror and second dial height phase in the horizontal direction
Deng being fixed between first fixed plate and second fixed plate can drive the guide assembly between the guide wheel assembly
The slide block of sliding；
Second dial includes the second bolt, the second preloading spring and the second regulation handle being connected with the second dial,
One end that second bolt and second dial are connected is assemblied in second slippage slot and the other end and described the
Two regulation handles are threadedly coupled, and are set with the second preloading spring on second bolt, second preloading spring one end against
On the trailing flank of the demonstration panel and the other end is resisted against in second regulation handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811027943.8A CN109147519B (en) | 2016-07-30 | 2016-07-30 | Light reflection teaching demonstration device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610611849.1A CN106228877B (en) | 2016-07-30 | 2016-07-30 | The reflection teaching demonstration device of light |
| CN201811027943.8A CN109147519B (en) | 2016-07-30 | 2016-07-30 | Light reflection teaching demonstration device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610611849.1A Division CN106228877B (en) | 2016-07-30 | 2016-07-30 | The reflection teaching demonstration device of light |
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| CN109147519A true CN109147519A (en) | 2019-01-04 |
| CN109147519B CN109147519B (en) | 2021-04-16 |
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| CN201811028419.2A Withdrawn CN109147520A (en) | 2016-07-30 | 2016-07-30 | It can reflection teaching demonstration device to the light that light source incidence angle is adjusted |
| CN201610611849.1A Active CN106228877B (en) | 2016-07-30 | 2016-07-30 | The reflection teaching demonstration device of light |
| CN201811028411.6A Active CN109192024B (en) | 2016-07-30 | 2016-07-30 | Light reflection teaching demonstration device |
| CN201811027943.8A Active CN109147519B (en) | 2016-07-30 | 2016-07-30 | Light reflection teaching demonstration device |
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| CN201811028419.2A Withdrawn CN109147520A (en) | 2016-07-30 | 2016-07-30 | It can reflection teaching demonstration device to the light that light source incidence angle is adjusted |
| CN201610611849.1A Active CN106228877B (en) | 2016-07-30 | 2016-07-30 | The reflection teaching demonstration device of light |
| CN201811028411.6A Active CN109192024B (en) | 2016-07-30 | 2016-07-30 | Light reflection teaching demonstration device |
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| CN107886824B (en) * | 2017-12-27 | 2020-12-04 | 将乐县科技馆 | Optical total reflection demonstration device |
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- 2016-07-30 CN CN201610611849.1A patent/CN106228877B/en active Active
- 2016-07-30 CN CN201811028411.6A patent/CN109192024B/en active Active
- 2016-07-30 CN CN201811027943.8A patent/CN109147519B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109147520A (en) | 2019-01-04 |
| CN109147519B (en) | 2021-04-16 |
| CN106228877B (en) | 2018-10-02 |
| CN109192024B (en) | 2020-08-14 |
| CN109192024A (en) | 2019-01-11 |
| CN106228877A (en) | 2016-12-14 |
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