CN205410314U - Student uses refraction experiment desk - Google Patents
Student uses refraction experiment desk Download PDFInfo
- Publication number
- CN205410314U CN205410314U CN201620127956.2U CN201620127956U CN205410314U CN 205410314 U CN205410314 U CN 205410314U CN 201620127956 U CN201620127956 U CN 201620127956U CN 205410314 U CN205410314 U CN 205410314U
- Authority
- CN
- China
- Prior art keywords
- protractor
- litter
- experiment
- pen container
- circle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
Student uses refraction experiment desk, including the desk body, the upper portion of desk body installation experiment platen and two mounts, mount are L shape, experiment platen and mount cooperation, the lateral part installation pen container elevating gear of desk body installs litter, angle measuring device and slide rail on the experiment platen, and angle measuring device lies in between litter and the slide rail, and angle measuring device includes first protractor and second protractor, the utility model discloses a coinciding with the centre of a circle of first protractor and second protractor in the curved centre of a circle of litter, when sliding tube slides on the litter, though the lasing of laser emission device has changed the angle, still can get to the centre of a circle department of first protractor and second protractor to make things convenient for the student to carry out the accuracy and quick experiment.
Description
Technical field
This utility model relates to a kind of desk, and more precisely a kind of student uses refraction experiment desk.
Background technology
Desk is desk used by student, and from the beginning of all directions table in school the earliest, for school, the desk of school study should be unified as desk.Major part school is all the single desk using this tradition to be processed into by solid wood, double desk.This desk is easy to process, and material is weedtree, wastes a large amount of timber, and is not durable, and is the most still that the middle and primary schools of a lot of poverty-stricken area use.Because desk-bench height is fixed, gradually replaced by the adjustable desk of steel-plastic structure.Laboratory table, is usually used in testing.Table top in test is provided.Existing experiment desk can only use as testing stand, it is impossible to facilitates Students ' Learning well and writes.The laser beam that existing refraction experiment desk can not the most accurately make laser beam emitting device be launched still gets to specific point after rotating different angles, it is impossible to facilitate student's quick experiment.
Utility model content
The purpose of this utility model is to provide a kind of student and uses refraction experiment desk, it is possible to solve above-mentioned problem.
This utility model for achieving the above object, is achieved through the following technical solutions:
nullStudent uses refraction experiment desk，Including desk body，Platform board for experiment and two fixed mounts are installed in the top of desk body，Fixed mount is L-shaped，Platform board for experiment coordinates with fixed mount，The sidepiece of desk body installs pen container lowering or hoisting gear，Litter is installed on Platform board for experiment、Angle measurement unit and slide rail，Angle measurement unit is between litter and slide rail，Angle measurement unit includes the first protractor and the second protractor，First protractor and the second protractor constitute a circle，Gripper shoe is installed in the side of the second protractor，Limiting plate is installed in the side of gripper shoe，Limiting plate is positioned at the first protractor and the intersection of the second protractor，The top of limiting plate is less than the first protractor and the center of circle of the second protractor，Litter is curved，The center of circle of litter arc overlaps with the center of circle of the first protractor and the second protractor，Sliding tube is installed on litter，Laser beam emitting device is installed in the side of sliding tube，Laser alignment the first protractor that laser beam emitting device sends and the center of circle of the second protractor，Nut is installed in the side of sliding tube，The screw mandrel end of nut can coordinate with litter，Slide block is installed on slide rail，The Upper vertical of slide block installs optical screen.
In order to realize the purpose of this utility model further, can also be by the following technical solutions: described pen container lowering or hoisting gear includes guide rail, pen container, sliding seat, fixation clamp, nut, screw mandrel and motor, guide rail and motor are installed in the side of desk body, the output shaft of motor installs screw mandrel, nut is installed on screw mandrel, pen container is installed in the side of nut, and sliding seat is installed in the side of pen container, and sliding seat coordinates with guide rail.The sidepiece of described pen container installs fixation clamp.
The utility model has the advantage of: the center of circle of litter arc of the present utility model overlaps with the center of circle of the first protractor and the second protractor, when sliding tube slides on litter, although the launched laser of laser beam emitting device changes angle, but still can get to the first protractor and the circle centre position of the second protractor, thus facilitate student to carry out accurately and quickly testing.First protractor of the present utility model and the cooperation of the second protractor can facilitate student quickly to measure laser-bounce angle.Gripper shoe of the present utility model can conveniently install the medium of different refractivity.Limiting plate of the present utility model can facilitate the medium of different refractivity to be held in place by.Optical screen of the present utility model can facilitate laser imaging after superrefraction.Nut of the present utility model can facilitate sliding tube to be fixed on correct position.Platform board for experiment is fixed in desk body by this utility model by fixed mount, only need to be removed by Platform board for experiment when need not test and just can facilitate student writing and study, change different types of Platform board for experiment simultaneously and student can be facilitated to do different experiments.Pen container can be packed up by pen container lowering or hoisting gear of the present utility model when student tests, and prevents pen container from being touched down, and when student needs use, pen container can be risen, facilitate student to use by pen container lowering or hoisting gear.This utility model also has advantage compact, cheap for manufacturing cost and easy to use simple for structure.
Accompanying drawing explanation
Accompanying drawing is used for providing being further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, is not intended that restriction of the present utility model together with embodiment of the present utility model.In the accompanying drawings:
Fig. 1 is structural representation of the present utility model.
Mark parts: 1 Platform board for experiment 2 fixed mount 3 desk body 4 guide rail 5 pen container 6 sliding seat 7 fixation clamp 8 nut 9 screw mandrel 10 motor 11 nut 12 sliding tube 13 laser beam emitting device 14 litter 15 first protractor 16 limiting plate 17 second protractor 18 gripper shoe 19 optical screen 20 slide block 21 slide rail.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains this utility model, be not used to limit this utility model.
nullStudent uses refraction experiment desk，As shown in Figure 1，Including desk body 3，Platform board for experiment 1 and two fixed mounts 2 are installed in the top of desk body 3，Fixed mount 2 is L-shaped，Platform board for experiment 1 coordinates with fixed mount 2，The sidepiece of desk body 3 installs pen container lowering or hoisting gear，Litter 14 is installed on Platform board for experiment 1、Angle measurement unit and slide rail 21，Angle measurement unit is between litter 14 and slide rail 21，Angle measurement unit includes the first protractor 15 and the second protractor 17，First protractor 15 and the second protractor 17 constitute a circle，Gripper shoe 18 is installed in the side of the second protractor 17，Limiting plate 16 is installed in the side of gripper shoe 18，Limiting plate 16 is positioned at the first protractor 15 and intersection of the second protractor 17，The top of limiting plate 16 is less than first protractor 15 and the center of circle of the second protractor 17，Litter 14 is curved，The center of circle of litter 14 arc overlaps with the center of circle of the first protractor 15 and the second protractor 17，Sliding tube 12 is installed on litter 14，Laser beam emitting device 13 is installed in the side of sliding tube 12，Laser alignment the first protractor 15 that laser beam emitting device 13 sends and the center of circle of the second protractor 17，Nut 11 is installed in the side of sliding tube 12，The screw mandrel end of nut 11 can coordinate with litter 14，Slide block 20 is installed on slide rail 21，The Upper vertical of slide block 20 installs optical screen 19.
The center of circle of litter 14 arc of the present utility model overlaps with the center of circle of the first protractor 15 and the second protractor 17, when sliding tube 12 slides on litter 14, although the launched laser of laser beam emitting device 13 changes angle, but still can get to the first protractor 15 and circle centre position of the second protractor 17, thus facilitate student to carry out accurately and quickly testing.First protractor 15 of the present utility model and the cooperation of the second protractor 17 can facilitate student quickly to measure laser-bounce angle.Gripper shoe 18 of the present utility model can conveniently install the medium of different refractivity.Limiting plate 16 of the present utility model can facilitate the medium of different refractivity to be held in place by.Optical screen 19 of the present utility model can facilitate laser imaging after superrefraction.Nut 11 of the present utility model can facilitate sliding tube 12 to be fixed on correct position.Platform board for experiment 1 is fixed in desk body 3 by this utility model by fixed mount 2, only Platform board for experiment 1 need to be removed when need not test and just can facilitate student writing and study, change different types of Platform board for experiment 1 simultaneously and student can be facilitated to do different experiments.Pen container can be packed up by pen container lowering or hoisting gear of the present utility model when student tests, and prevents pen container from being touched down, and when student needs use, pen container can be risen, facilitate student to use by pen container lowering or hoisting gear.
Described pen container lowering or hoisting gear includes guide rail 4, pen container 5, sliding seat 6, fixation clamp 7, nut 8, screw mandrel 9 and motor 10, guide rail 4 and motor 10 are installed in the side of desk body 3, the output shaft of motor 10 installs screw mandrel 9, nut 8 is installed on screw mandrel 9, pen container 5 is installed in the side of nut 8, sliding seat 6 is installed in the side of pen container 5, and sliding seat 6 coordinates with guide rail 4.Pen container 5 can be packed up by pen container lowering or hoisting gear of the present utility model when student tests, and prevents pen container 5 from being touched down, and when student needs use, pen container 5 can be risen, facilitate student to use by pen container lowering or hoisting gear.Motor 10 of the present utility model can drive pen container 5 to lift by nut 8 and screw mandrel 9.Sliding seat 6 of the present utility model coordinates the rotation being possible to prevent pen container 5 to follow screw mandrel 9 to rotate with guide rail 4.
The sidepiece of described pen container 5 installs fixation clamp 7.Book can conveniently be clamped by fixation clamp 7 of the present utility model, facilitates student that experiment is carried out record.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this utility model, although this utility model being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (3)
- null1. student uses refraction experiment desk，It is characterized in that: include desk body (3)，Platform board for experiment (1) and two fixed mounts (2) are installed in the top of desk body (3)，Fixed mount (2) is L-shaped，Platform board for experiment (1) coordinates with fixed mount (2)，The sidepiece of desk body (3) installs pen container lowering or hoisting gear，Litter (14) is installed on Platform board for experiment (1)、Angle measurement unit and slide rail (21)，Angle measurement unit is positioned between litter (14) and slide rail (21)，Angle measurement unit includes the first protractor (15) and the second protractor (17)，First protractor (15) and the second protractor (17) constitute a circle，Gripper shoe (18) is installed in the side of the second protractor (17)，Limiting plate (16) is installed in the side of gripper shoe (18)，Limiting plate (16) is positioned at the first protractor (15) and the intersection of the second protractor (17)，The top of limiting plate (16) is less than the first protractor (15) and the center of circle of the second protractor (17)，Litter (14) is curved，The center of circle of litter (14) arc overlaps with the center of circle of the first protractor (15) and the second protractor (17)，Sliding tube (12) is installed on litter (14)，Laser beam emitting device (13) is installed in the side of sliding tube (12)，Laser alignment the first protractor (15) that laser beam emitting device (13) sends and the center of circle of the second protractor (17)，Nut (11) is installed in the side of sliding tube (12)，The screw mandrel end of nut (11) can coordinate with litter (14)，Slide block (20) is installed on slide rail (21)，The Upper vertical of slide block (20) installs optical screen (19).
- Student the most according to claim 1 uses refraction experiment desk, it is characterized in that: described pen container lowering or hoisting gear includes guide rail (4), pen container (5), sliding seat (6), fixation clamp (7), nut (8), screw mandrel (9) and motor (10), guide rail (4) and motor (10) are installed in the side of desk body (3), the output shaft of motor (10) installs screw mandrel (9), nut (8) is installed on screw mandrel (9), pen container (5) is installed in the side of nut (8), sliding seat (6) is installed in the side of pen container (5), sliding seat (6) coordinates with guide rail (4).
- Student the most according to claim 2 uses refraction experiment desk, it is characterised in that: the sidepiece of described pen container (5) installs fixation clamp (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620127956.2U CN205410314U (en) | 2016-02-19 | 2016-02-19 | Student uses refraction experiment desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620127956.2U CN205410314U (en) | 2016-02-19 | 2016-02-19 | Student uses refraction experiment desk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205410314U true CN205410314U (en) | 2016-08-03 |
Family
ID=56541166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620127956.2U Expired - Fee Related CN205410314U (en) | 2016-02-19 | 2016-02-19 | Student uses refraction experiment desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205410314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979935A (en) * | 2017-03-14 | 2017-07-25 | 浙江大学 | A kind of contactless glass block refractive index measuring instrument |
-
2016
- 2016-02-19 CN CN201620127956.2U patent/CN205410314U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979935A (en) * | 2017-03-14 | 2017-07-25 | 浙江大学 | A kind of contactless glass block refractive index measuring instrument |
| CN106979935B (en) * | 2017-03-14 | 2019-07-09 | 浙江大学 | A kind of contactless glass block refractive index measuring instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205439700U (en) | Student uses ruler | |
| CN205410314U (en) | Student uses refraction experiment desk | |
| CN205410315U (en) | Student is with novel convex lens experiment desk | |
| CN205410316U (en) | Student is with laser prism experiment desk | |
| CN205410329U (en) | Student is with precision measurement lever experiment desk | |
| CN205410323U (en) | Student tests desk with centrifugal force | |
| CN205410318U (en) | Student is with spring tension elongation experiment desk | |
| CN104139652B (en) | A kind of Multifunctional shape changeable rule | |
| CN205392523U (en) | Student tests desk with laser focusing | |
| CN204831260U (en) | Steel ball test position | |
| CN201592321U (en) | Laser positioning device for welding machine frame of wire drawing machine | |
| CN205435813U (en) | Student measures experiment desk with magnetic field force | |
| CN205410301U (en) | Student is with multipurpose optical experiment desk | |
| CN211234314U (en) | Industrial automation three-dimensional detecting system | |
| CN205410319U (en) | Student inhales formula lever experiment desk with magnetism | |
| CN204451730U (en) | Multifunctional shape changeable rule | |
| CN107680462B (en) | Physical optics experimental apparatus | |
| CN203910131U (en) | Light transmission, reflection and refraction tester | |
| CN204605309U (en) | Multifunctional compass | |
| CN214897208U (en) | Geometric optics demonstration instrument | |
| CN213458646U (en) | Physical reflection experimental device | |
| CN208510294U (en) | A kind of study Russia pragmatic auxiliary device | |
| CN208867755U (en) | It is capable of measuring the novel bow compass of angle and determined level degree | |
| CN203957645U (en) | A kind of Multifunctional demountable ruler | |
| CN211312117U (en) | Parallelism detection device for road construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170219 |