CN105957432A - Light reflection teaching demonstration device - Google Patents
Light reflection teaching demonstration device Download PDFInfo
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- CN105957432A CN105957432A CN201610588521.2A CN201610588521A CN105957432A CN 105957432 A CN105957432 A CN 105957432A CN 201610588521 A CN201610588521 A CN 201610588521A CN 105957432 A CN105957432 A CN 105957432A
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- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000002474 experimental method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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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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- Business, Economics & Management (AREA)
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a light reflection teaching demonstration device. The light reflection teaching demonstration device comprises a bearing module, a light source module, an angle disk module, a guide wheel module and a reflection module, wherein the light source module, the angle disk module, the guide wheel module and the reflection module are arranged on the front side face of the bearing module. The light reflection teaching demonstration device can precisely demonstrate light reflection experiment effects, the learning effect is improved, and it is guaranteed that teaching is vivid and interesting. The light reflection teaching demonstration device is suitable for wide application to physics teaching.
Description
Technical field
The present invention relates to a kind of physical teaching aid, the reflection teaching demonstration device of a kind of light.
Background technology
Students is when learning book knowledge, aid in teaching aid and experimental provision, to deepening the understanding of knowledge and grasp has greatly help, especially for the student of the relevant knowledges such as the reflection of first contacts study light, physics in-class experiment device is the most necessary.And in existing physics teaching, just lack such physics in-class experiment device, teacher or fully relying on book knowledge imparts knowledge to students, oneself making some nonstandard self-control physical teaching aids to help student to understand physical knowledge, either the reliability of teaching aid and the teaching purpose of reality all do not reach preferable effect.
Summary of the invention
The technical problem to be solved in the present invention, is to provide the reflection teaching demonstration device of a kind of light, it is possible to solve the problems referred to above in the presence of prior art.
The present invention for achieving the above object, is achieved through the following technical solutions:
nullA kind of reflection teaching demonstration device of light，Including bearing assembly and the light source assembly being arranged at described bearing assembly leading flank、Angle scale assembly、Guide wheel assembly and reflection subassembly，Described bearing assembly includes pedestal and the riser being arranged on described pedestal，Angle scale holding tank it is provided with on described riser，Described angle scale holding tank is used for accommodating described angle scale assembly，Described angle scale assembly includes carrying graduated angle scale，Described angle scale is circular，Described angle scale holding tank length in the horizontal direction more than the height on the maximum gauge of described angle scale and vertical direction equal to the diameter of described angle scale，So that described angle scale can move horizontally in angle scale holding tank，Described angle scale holding tank be provided above light source assembly，Described light source assembly includes the light source regulation body that light source assembly can be driven to rotate，Described guide wheel assembly includes the first guide wheel group、Second guide wheel group、3rd guide wheel group and four guide idler group，Described first guide wheel group and described second guide wheel group is arranged at outside the two ends being positioned at angle scale holding tank on described riser and level height is equal，Described 3rd guide wheel group and described four guide idler group level height are equal，And described 3rd guide wheel group is arranged at the underface of described first guide wheel group，Described four guide idler group is arranged at the underface of described second guide wheel group，Each guide wheel group includes that two edges are perpendicular to the guide wheel that described riser direction is arranged,Described reflection subassembly upper end is provided with the first fixed plate，Described first both sides, fixed plate top are provided with the first guide rail and the second guide rail，The lower end of described reflection subassembly is provided with the second fixed plate，Described second both sides, fixed plate bottom are provided with the 3rd guide rail and the 4th guide rail，Described reflection subassembly is slidably assemblied in described first guide wheel group、Described second guide wheel group and described 3rd guide wheel group、Between described four guide idler group，Described first guide wheel group and described second guide wheel group guide wheel near described riser side coordinate with described first slide，Described first guide wheel group and described second guide wheel group coordinate with described second slide away from the guide wheel of described riser side，Described 3rd guide wheel group and the described four guide idler group guide wheel near described riser side coordinate with described 3rd slide，Described 3rd guide wheel group and described four guide idler group coordinate with described 4th slide away from the guide wheel of described riser side，It is provided with reflex reflector lens between described first guide rail and described second guide rail，Described reflex reflector lens is the most equal with the center of circle of described angle scale.
nullAs restriction，It is provided above light source assembly fixing hole what described riser was positioned at described angle scale holding tank，Described light source assembly also includes luminous body and luminous body fixation kit，It is provided with lightening hole on described luminous body，Described lightening hole is positioned at above described reflex reflector lens，Described luminous body fixation kit includes light source holder，Described light source holder includes the first wall and the second arm that holder base plate and two ends along described holder base plate extend，Described luminous body is held between described first wall and described second arm，Described first wall and described second arm form two ends connections of opening has bandage to be fixed by luminous body，Described holder base plate is fixed with described light source regulation body in the plane away from described luminous body，Described light source regulation body includes the bolt being connected with holder base plate，End that described bolt and described holder base plate are connected and the assembling of described light source assembly fixing hole and another end are connected with regulating handle threads，It is set with preloading spring on described bolt，Described preloading spring one end is resisted against on the trailing flank of described riser and the other end is resisted against on described regulation handle.
Limiting as another kind, the described angle scale holding tank degree of depth on described riser is more than the surface thickness of described angle scale.
As restriction, the inside upper part of described angle scale holding tank is through is provided with steady pin sliding tray, the lower inside of described angle scale holding tank is through is provided with slippage slot, described slippage slot is arranged at the underface of described steady pin sliding tray and length and the degree of depth is the most equal, described angle scale assembly also includes the steady pin being connected in the trailing flank top of described angle scale, end that described steady pin and described angle scale are connected and the assembling of described steady pin sliding tray and another end are fixed with sliding handle, distance between described sliding handle and described angle scale is equal to the degree of depth of described steady pin sliding tray, on described angle scale, the underface of described steady pin is provided with sliding projection, the protruding length protruding with the assembling of described slippage slot and described sliding of described sliding is less than the length of described slippage slot.
Limit as another kind, it is arranged at included by any one guide wheel group two guide wheels in described first guide wheel group, the second guide wheel group, the 3rd guide wheel group or four guide idler group to be all connected by connecting cylinder, guide wheel close to described riser side is being fixed with assembling bearing pin towards the side of described riser, the guide wheel fixing hole corresponding with described assembling bearing pin it is provided with on described riser, described assembling bearing pin assembles with described guide wheel fixing hole, described assembling bearing pin is provided with screw thread in the one end stretching out described riser trailing flank, and described screw thread connects nut.
As further limiting, being fixed with connecting rod between described first fixed plate and described second fixed plate, the middle part of described connecting rod is provided with groove.
Due to the fact that and have employed above-mentioned structure, its compared with prior art, acquired technological progress is:
The present invention can carry out angular adjustment to the luminous body of light source assembly, and the direction that can be perpendicular to riser by adjusting the home position edge of position and angle scale that angle scale horizontal level in angle scale holding tank makes light source be irradiated to reflex reflector lens is on same straight line, ensure the degree of accuracy of experiment effect, promote study initiative, it is ensured that teaching vivid and interesting.
To sum up, practicality of the present invention is high, it is possible to meets physics teaching demand, and can reach good teaching efficiency.
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, is used for together with embodiments of the present invention explaining the present invention, is not intended that limitation of the present invention.
Fig. 1 is the overall structure schematic diagram described in the embodiment of the present invention；
Fig. 2 is the structural representation that the bearing assembly described in the embodiment of the present invention is anterior；
Fig. 3 is the structural representation at the bearing assembly rear portion described in the embodiment of the present invention；
Fig. 4 is the structural representation of the light source assembly described in the embodiment of the present invention；
Fig. 5 is the front portion structure schematic diagram of the angle scale described in the embodiment of the present invention；
Fig. 6 is the rear structure schematic diagram of the angle scale described in the embodiment of the present invention；
Fig. 7 is the structural representation of one of them guide wheel group described in the embodiment of the present invention；
Fig. 8 is the structural representation of one of them reflection subassembly described in the embodiment of the present invention.
In the accompanying drawings: 1, riser；111, light source assembly fixing hole；121, guide wheel fixing hole；131, angle scale holding tank；132, steady pin sliding tray；133, slippage slot；2, pedestal；3, light source assembly；31, luminous body；311, lightening hole；41, luminous body fixation kit；411, light source holder；4111, holder base plate；4112, the first wall；4113, the second wall；412, bolt；413, regulation handle；414, preloading spring；5, bandage；6, angle scale assembly；611, angle scale；612, sliding handle；613, steady pin；614, sliding is protruding；7, guide wheel assembly；71, the first guide wheel group；72, the second guide wheel group；73, the 3rd guide wheel group；74, four guide idler group；711, guide wheel；712, connecting cylinder；713, assembling bearing pin；714, nut；9, reflection subassembly；911, the first fixed plate；912, the first guide rail；913, the second guide rail；914 second fixed plates；915, the 3rd guide rail；916, the 4th guide rail；917, reflex reflector lens；918, connecting rod.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the present invention is expanded on further.In the following detailed description, by the way of explanation, only describe some one exemplary embodiment of the present invention.Undoubtedly, those of ordinary skill in the art will be consequently realised that, in the case of without departing from the spirit and scope of the present invention, can be modified described embodiment by various different modes.Therefore, accompanying drawing and description are inherently the most illustrative rather than are used for limiting scope of the claims.
It should be noted that the herein presented noun of locality " forward and backward " is all that riser 1 is fixed on base
During seat 2 on the basis of the plane at riser 1 place; wherein; " front " refers to the direction of riser 1 orienting reflex assembly 9; " afterwards " refers to riser 1 and deviates from the direction of reflection subassembly 9; it is understandable that; the appearance of the above-mentioned noun of locality is merely to clearly state technical scheme, and the technical scheme that the present invention is claimed is not intended that restriction.
nullAs Figure 1-Figure 8，The reflection teaching demonstration device of light according to embodiments of the present invention，Including bearing assembly and the light source assembly 3 being arranged at described bearing assembly leading flank、Angle scale assembly 6、Guide wheel assembly 7 and reflection subassembly 9，Described bearing assembly includes pedestal 2 and the riser 1 being arranged on described pedestal 2，It is provided with angle scale holding tank 131 on described riser 1，Described angle scale holding tank 131 is used for accommodating described angle scale assembly 6，Described angle scale assembly 6 includes carrying graduated angle scale 611，Described angle scale 611 is circular，Described angle scale holding tank 131 length in the horizontal direction more than the height on the maximum gauge of described angle scale 611 and vertical direction equal to the diameter of described angle scale 611，So that described angle scale 611 can move horizontally in angle scale holding tank 131，Described angle scale holding tank 131 be provided above light source assembly 3，Described light source assembly 3 includes the light source regulation body that light source assembly 3 can be driven to rotate，Described guide wheel assembly 7 includes the first guide wheel group 71、Second guide wheel group 72、3rd guide wheel group 73 and four guide idler group 74，Described first guide wheel group 71 and described second guide wheel group 72 is arranged at outside the two ends being positioned at angle scale holding tank 131 on described riser 1 and level height is equal，Described 3rd guide wheel group 73 and described four guide idler group 74 level height are equal，And described 3rd guide wheel group is arranged at the underface of described first guide wheel group 71，Described four guide idler group 74 is arranged at the underface of described second guide wheel group 72，Each guide wheel group includes that two edges are perpendicular to the guide wheel 711 that described riser 1 direction is arranged，Described reflection subassembly 9 upper end is provided with the first fixed plate 911，Described first both sides, fixed plate 911 top are provided with the first guide rail 912 and the second guide rail 913，The lower end of described reflection subassembly 9 is provided with the second fixed plate 914，Described second both sides, fixed plate 914 bottom are provided with the 3rd guide rail 915 and the 4th guide rail 916，Described reflection subassembly 9 is slidably assemblied in described first guide wheel group 71、Described second guide wheel group 72 and described 3rd guide wheel group 73、Between described four guide idler group 74，Described first guide wheel group 71 and described second guide wheel group 72 guide wheel 711 near described riser 1 side are slidably matched with described first guide rail 912，Described first guide wheel group 71 and described second guide wheel group 72 are slidably matched with described second guide rail 913 away from the guide wheel 711 of described riser 1 side，Described 3rd guide wheel group 73 and the described four guide idler group 74 guide wheel 711 near described riser 1 side are slidably matched with described 3rd guide rail 915，Described 3rd guide wheel group 73 and described four guide idler group 74 are slidably matched with described 4th guide rail 916 away from the guide wheel 711 of described riser 1 side，It is provided with reflex reflector lens 917 between described first guide rail 912 and described second guide rail 913，Described reflex reflector lens 917 is the most equal with the center of circle of described angle scale 611.
In embodiments of the invention, riser 1 and pedestal 2 play carrying effect, light source assembly 3 produces light beam, it makes the light angle inciding reflex reflector lens 917 to change by the regulation effect of light source regulation body, and the reflex reflector lens 917 being arranged between the first guide rail 912 and the second guide rail 913 is the most equal with the center of circle of angle scale 611.Now angle scale 611 can be made to move horizontally in angle scale holding tank 131 by regulation angle scale 611, so that the light of different incidence angles degree can just directive angle scale 611 center of circle, it is designed with graduation mark on angle scale 611, and then read incident angle and reflection angle, to reach the purpose accurately demonstrated.Because the regulation effect of light source regulation body makes the light angle inciding reflex reflector lens 917 to change, light also can change to the position on reflex reflector lens 917, reflection subassembly 9 now can be promoted to move horizontally between first guide wheel group the 71, second guide wheel group 72 and the 3rd guide wheel group 73, four guide idler group 74, at this moment the horizontal level of reflex reflector lens also can change, so that light is to the correct position of reflex reflector lens, it is ensured that experiment effect.
nullFurther，Such as Fig. 1、Shown in Fig. 4，It is provided above light source assembly fixing hole 111 what described riser 1 was positioned at described angle scale holding tank 131，Described light source assembly also includes luminous body 31 and luminous body fixation kit 41，It is provided with lightening hole 311 on described luminous body 31，Described lightening hole 311 is positioned at above described reflex reflector lens 917，Described luminous body fixation kit 41 includes light source holder 411，Described light source holder 411 includes the first wall 4112 and the second arm 4113 that holder base plate 4111 and two ends along described holder base plate 4111 extend，Described luminous body 31 is held between described first wall 4112 and described second arm 4113，Described first wall 4112 and described second arm 4113 form two ends connections of opening has bandage 5 to be fixed by luminous body 31，Described holder base plate 4111 is fixed with described light source regulation body in the plane away from described luminous body 31，Described light source regulation body includes the bolt 412 being connected with holder base plate 4111，End that described bolt 412 is connected with described holder base plate 4111 and described light source assembly fixing hole 111 assembles and threadeds with regulating handle 413 in another end，It is set with preloading spring 414 on described bolt 412，Described preloading spring 414 one end is resisted against on the trailing flank of described riser 1 and the other end is resisted against on described regulation handle 413.
nullIn embodiments of the invention，Luminous body fixation kit 41 includes light source holder 411，Light source holder 411 includes holder base plate 4111，Two end is fixed with the first wall 4112 and the second arm 4113，Wherein holder base plate 4111、First wall 4112 and the second arm 4113 three in one molding，Coordinate with bandage 5 and be used for clamping luminous body 31，The holder base plate 4111 plane away from luminous body 31 is fixed with bolt 412，Bolt 412 is set with preloading spring 414 after the light source assembly fixing hole 111 on riser 1，Rotate regulation handle 413 afterwards to be screwed，Thus can make luminous body 31 that the change of angle to occur by operation regulation handle 413，Carry out the input angle of light is adjusted，Under the effect of regulation handle 413 and preloading spring 414, carry out angle locking simultaneously.
Further, as it is shown in figure 1, the described angle scale holding tank 131 degree of depth on described riser 1 is more than the surface thickness of described angle scale 611.
So, angle scale 611 can only move in the inner horizontal of angle scale holding tank 131, will not interfere with and stop the motion of miscellaneous part on riser 1.
nullFurther，As Figure 1-Figure 4，The inside upper part of described angle scale holding tank 131 is through is provided with steady pin sliding tray 132，The lower inside of described angle scale holding tank 131 is through is provided with slippage slot 133，Described slippage slot 133 is arranged at the underface of described steady pin sliding tray 132 and length and the degree of depth is the most equal，Described angle scale assembly 6 also includes the steady pin 613 being connected in the trailing flank top of described angle scale 611，End that described steady pin 613 is connected with described angle scale 611 and described steady pin sliding tray 132 assembles and another end is fixed with sliding handle 612，Distance between described sliding handle 612 and described angle scale 611 is equal to the degree of depth of described steady pin sliding tray 132，On described angle scale 611, the underface of described steady pin 613 is provided with sliding projection 614，Described sliding protruding 614 is assembled with described slippage slot 133 and the length of described sliding projection 614 is less than the length of described slippage slot 133.
In embodiments of the invention, steady pin 613 is arranged between angle scale 611 and sliding handle 612 and is positioned at steady pin sliding tray 132, and assembled with slippage slot 133 by the sliding of steady pin 613 bottom protruding 614, and the length of sliding projection 614 is less than the length of slippage slot 133, so, move horizontally in angle scale holding tank 131 by promoting sliding handle 612 can realize angle scale 611, to adapt to the input light of different angles, make light source be irradiated to the position of reflex reflector lens to be on same straight line along the direction being perpendicular to riser with the home position of angle scale, ensure the degree of accuracy of experiment effect.Wherein sliding protruding 614 is structure as a whole with angle scale 611, and such machine-shaping is convenient, reduces production cost.
Further, as shown in Figure 7, it is arranged at described first guide wheel group 71, second guide wheel group 72, included by any one guide wheel group two guide wheels 711 in 3rd guide wheel group 73 or four guide idler group 74 are all connected by connecting cylinder 712, guide wheel 711 close to described riser 1 side is being fixed with assembling bearing pin 713 towards the side of described riser 1, the guide wheel fixing hole 121 corresponding with described assembling bearing pin it is provided with on described riser 1, described assembling bearing pin 713 assembles with described guide wheel fixing hole 121, described assembling bearing pin 713 is provided with screw thread in the one end stretching out described riser 1 trailing flank, connect on described screw thread and have nut 714.
In embodiments of the invention, first guide wheel group 71, second guide wheel group 72, any one group of guide wheel group in 3rd guide wheel group 73 or four guide idler group 74 all includes the guide wheel 711 that structure is identical, and each guide wheel group includes two guide wheels 711, two guide wheels 711 are solidly fixed by connecting cylinder 712, guide wheel 711 close to riser 1 side is being fixed with assembling bearing pin 713 towards the side of riser 1, on riser 1, it is provided with the guide wheel fixing hole 121 corresponding with assembling bearing pin simultaneously, so, four assembling bearing pins 713 are locked with nut 714 through four guide wheel fixing holes 121 and at the trailing flank of riser 1 by screw thread.
Further, as shown in Figure 8, being fixed with connecting rod (918) between described first fixed plate (911) and described second fixed plate (914), the middle part of described connecting rod (918) is provided with groove.
The foregoing is only the schematic detailed description of the invention of the present invention, be not limited to the scope of the present invention.Any those skilled in the art, the equivalent variations made on the premise of without departing from the design of the present invention and principle and amendment, the scope of protection of the invention all should be belonged to.
Claims (6)
- null1. the reflection teaching demonstration device of a light，It is characterized in that: include bearing assembly and be arranged at the light source assembly of described bearing assembly leading flank、Angle scale assembly、Guide wheel assembly and reflection subassembly，Described bearing assembly includes pedestal and the riser being arranged on described pedestal，Angle scale holding tank it is provided with on described riser，Described angle scale holding tank is used for accommodating described angle scale assembly，Described angle scale assembly includes carrying graduated angle scale，Described angle scale is circular，Described angle scale holding tank length in the horizontal direction is equal to the diameter of described angle scale more than the maximum gauge of described angle scale and the height of in the vertical direction，So that described angle scale can move horizontally in angle scale holding tank，Described angle scale holding tank be provided above light source assembly，Described light source assembly includes the light source regulation body that light source assembly can be driven to rotate，Described guide wheel assembly includes the first guide wheel group、Second guide wheel group、3rd guide wheel group and four guide idler group，Described first guide wheel group and described second guide wheel group is arranged at outside the two ends being positioned at angle scale holding tank on described riser and level height is equal，Described 3rd guide wheel group and described four guide idler group level height are equal，And described 3rd guide wheel group is arranged at the underface of described first guide wheel group，Described four guide idler group is arranged at the underface of described second guide wheel group，Each guide wheel group includes that two edges are perpendicular to the guide wheel that described riser direction is arranged,Described reflection subassembly upper end is provided with the first fixed plate，Described first both sides, fixed plate top are provided with the first guide rail and the second guide rail，The lower end of described reflection subassembly is provided with the second fixed plate，Described second both sides, fixed plate bottom are provided with the 3rd guide rail and the 4th guide rail，Described reflection subassembly is slidably assemblied in described first guide wheel group、Described second guide wheel group and described 3rd guide wheel group、Between described four guide idler group，Described first guide wheel group and described second guide wheel group guide wheel near described riser side coordinate with described first slide，Described first guide wheel group and described second guide wheel group coordinate with described second slide away from the guide wheel of described riser side，Described 3rd guide wheel group and the described four guide idler group guide wheel near described riser side coordinate with described 3rd slide，Described 3rd guide wheel group and described four guide idler group coordinate with described 4th slide away from the guide wheel of described riser side，It is provided with reflex reflector lens between described first guide rail and described second guide rail，Described reflex reflector lens is the most equal with the center of circle of described angle scale.
- nullThe reflection teaching demonstration device of light the most according to claim 1，It is characterized in that: be provided above light source assembly fixing hole what described riser was positioned at described angle scale holding tank，Described light source assembly also includes luminous body and luminous body fixation kit，It is provided with lightening hole on described luminous body，Described lightening hole is positioned at above described reflex reflector lens，Described luminous body fixation kit includes light source holder，Described light source holder includes the first wall and the second arm that holder base plate and two ends along described holder base plate extend，Described luminous body is held between described first wall and described second arm，Described first wall and described second arm form two ends connections of opening has bandage to be fixed by luminous body，Described holder base plate is fixed with described light source regulation body in the plane away from described luminous body，Described light source regulation body includes the bolt being connected with holder base plate，End that described bolt and described holder base plate are connected and the assembling of described light source assembly fixing hole and another end are connected with regulating handle threads，It is set with preloading spring on described bolt，Described preloading spring one end is resisted against on the trailing flank of described riser and the other end is resisted against on described regulation handle.
- The reflection teaching demonstration device of light the most according to claim 1, it is characterised in that: the described angle scale holding tank degree of depth on described riser is more than the surface thickness of described angle scale.
- nullThe reflection teaching demonstration device of light the most according to claim 3，It is characterized in that: the inside upper part of described angle scale holding tank is through is provided with steady pin sliding tray，The lower inside of described angle scale holding tank is through is provided with slippage slot，Described slippage slot is arranged at the underface of described steady pin sliding tray and length and the degree of depth is the most equal，Described angle scale assembly also includes the steady pin being connected in the trailing flank top of described angle scale，End that described steady pin and described angle scale are connected and the assembling of described steady pin sliding tray and another end are fixed with sliding handle，Distance between described sliding handle and described angle scale is equal to the degree of depth of described steady pin sliding tray，On described angle scale, the underface of described steady pin is provided with sliding projection，The protruding length protruding with the assembling of described slippage slot and described sliding of described sliding is less than the length of described slippage slot.
- The reflection teaching demonstration device of light the most according to claim 1, it is characterized in that: be arranged at described first guide wheel group, second guide wheel group, included by any one guide wheel group two guide wheels in 3rd guide wheel group or four guide idler group are all connected by connecting cylinder, guide wheel close to described riser side is being fixed with assembling bearing pin towards the side of described riser, the guide wheel fixing hole corresponding with described assembling bearing pin it is provided with on described riser, described assembling bearing pin assembles with described guide wheel fixing hole, described assembling bearing pin is provided with screw thread in the one end stretching out described riser trailing flank, connect on described screw thread and have nut.
- The reflection teaching demonstration device of light the most according to claim 1, it is characterised in that: being fixed with connecting rod between described first fixed plate and described second fixed plate, the middle part of described connecting rod is provided with groove.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106601101A (en) * | 2016-12-05 | 2017-04-26 | 山东鼎创数控设备有限公司 | Light reflection teaching instrument |
| CN108777106A (en) * | 2018-08-29 | 2018-11-09 | 广东海翔教育科技有限公司 | A kind of physics teaching optics experiment shows device |
| CN112216191A (en) * | 2019-07-09 | 2021-01-12 | 姚跃涌 | Physical experiment optical device |
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| CN2576402Y (en) * | 2002-11-07 | 2003-10-01 | 上海团结百超数控激光设备有限公司 | Light-path-length compensating device |
| KR20060036888A (en) * | 2005-12-21 | 2006-05-02 | 윤부연 | Optical experimental equipment of reflection and refraction |
| CN202422537U (en) * | 2012-02-10 | 2012-09-05 | 德州学院 | Light phenomenon demonstration instrument |
| CN104656346A (en) * | 2013-11-22 | 2015-05-27 | 中影电影数字制作基地有限公司北京器材租赁分公司 | Slide rail device for traveling shooting |
| CN104192325A (en) * | 2014-09-03 | 2014-12-10 | 北京卫星环境工程研究所 | Supporting device guaranteeing special posture of star sensor test piece |
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| CN106601101A (en) * | 2016-12-05 | 2017-04-26 | 山东鼎创数控设备有限公司 | Light reflection teaching instrument |
| CN108777106A (en) * | 2018-08-29 | 2018-11-09 | 广东海翔教育科技有限公司 | A kind of physics teaching optics experiment shows device |
| CN112216191A (en) * | 2019-07-09 | 2021-01-12 | 姚跃涌 | Physical experiment optical device |
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