CN214897179U - Teaching aid for physical mechanics experiments in junior middle school - Google Patents
Teaching aid for physical mechanics experiments in junior middle school Download PDFInfo
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- CN214897179U CN214897179U CN202120409157.5U CN202120409157U CN214897179U CN 214897179 U CN214897179 U CN 214897179U CN 202120409157 U CN202120409157 U CN 202120409157U CN 214897179 U CN214897179 U CN 214897179U
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- 230000000694 effects Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a teaching aid for junior middle school's physics mechanics experiments, which comprises a supporting pedestal and is characterized by further comprising, the middle part fixed mounting who supports the base upper end has flexible support column, the upper end fixed mounting of flexible support column has the lever link, the upper end fixed mounting of lever link has the experiment operation panel, the fixed spout that is provided with of lower extreme of experiment operation panel, through first removal slider fixed connection between spout and the lever link, two left front and back sides fixed mounting of experiment operation panel lower extreme has left hook mounting panel, two front and back sides fixed mounting on experiment operation panel lower extreme right side has right hook mounting panel. This teaching aid for physics mechanics experiments in beginning has effectually improved the holistic work efficiency of device for the device is more reasonable, and this device can be different and nimble adjusting device's information such as position, height and angle according to the demand of experiment, makes the experiment go on more meticulously, has improved the thorough degree that the student understood.
Description
Technical Field
The utility model relates to a physics technical field specifically is a teaching aid for physics mechanics experiments in junior middle school.
Background
Physics is the subject of studying the most general law of motion and basic structure of substances, and is the leading subject of natural science, and the theory of physics studies the most basic motion form and law of all substances, such as universe, particles, etc., so it becomes the research foundation of other natural science subjects.
The student is in the middle school and when studying physics, probably unable understanding of many things, mostly need rely on self imagination and logic ability to go study, it then can deepen student's understanding to join in marriage experimental teaching aid demonstration under this kind of condition, what effect has been expressed to the understanding material principle that makes the student can be more thorough, many teaching aids can cooperate and use, lever principle when studying newton's law just can use the teaching aid, but the unable height-adjusting and angle of most teaching aids, can only simulate an approximate condition for the student, it is accurate inadequately, the learning effect is not good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a teaching aid for junior middle school's physics mechanics experiments to lever principle when proposing the study newton law in solving above-mentioned background just can use the teaching aid, but the unable height-adjusting and angle of most teaching aids can only simulate an approximate condition for the student, and is accurate inadequately, the not good problem of learning effect.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a teaching aid for physics mechanics experiments in junior middle school, includes and supports the base, the middle part fixed mounting who supports the base upper end has flexible support column, the upper end fixed mounting of flexible support column has the lever link, the upper end fixed mounting of lever link has the experiment operation panel, the fixed spout that is provided with of lower extreme of experiment operation panel, through first removal slider fixed connection between spout and the lever link, two left front and back sides fixed mounting of experiment operation panel lower extreme has left hook mounting panel, two front and back sides fixed mounting on experiment operation panel lower extreme right side has right hook mounting panel.
Preferably, through second removal slider fixed connection between left side hook mounting panel, the right hook mounting panel and the spout, the below fixed mounting of left side hook mounting panel and right hook mounting panel has the couple.
Preferably, the fixed scale mark that is provided with in upper end of experiment operation panel, the fixed connecting thread that is provided with in outer end of flexible support column, solid fixed ring is installed to the outer end screw thread of flexible support column.
Preferably, weight seats are fixedly mounted on the left side and the right side of the upper end of the supporting base, a first weight groove is fixedly formed in the front side of the upper end of each weight seat, and a second weight groove is fixedly formed in the rear side of the upper end of each weight seat.
Preferably, the upper end of the weight groove I is fixedly provided with a gravity weight I, and the upper end of the weight groove II is fixedly provided with a gravity weight II.
Preferably, the upper end fixed mounting of couple has the connecting block, the lower extreme fixed mounting of couple has spacing hook.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the teaching aid for the physical mechanics experiment in junior middle schools, the second movable sliding block drives the lower part to flexibly move, so that the teaching aid is suitable for various experiment requirements, students can see the relation between weight and length in the experiment, and the students can learn more thoroughly;
2. according to the teaching aid for the physical mechanics experiments in junior high school, the connecting pin is arranged in the lever connecting joint, when the angle needs to be adjusted, the connecting pin is taken out, the angle adjustment of an experiment operating board is facilitated, the connecting pin is arranged after the angle adjustment, so that the angle is not changed any more, and the stability of the teaching aid is improved;
3. this teaching aid for physics mechanics experiments in beginning, spacing hook can carry on spacingly to the weight of hook on the couple under the state that the device is in the slope, avoids appearing the problem that the weight drops because of the slope, has improved the stability that the weight is connected.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the chute of the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the hook of the present invention.
In the figure: 1. a support base; 2. a telescopic support column; 3. a lever connection section; 4. an experimental operating panel; 5. A chute; 6. a first moving slider; 7. a left hook mounting plate; 8. the mounting plate is hung on the right hook; 9. a second movable slider; 10. hooking; 11. scale lines; 12. connecting threads; 13. a fixing ring; 14. a weight seat; 15. a first weight groove; 16. a weight groove II; 17. a first gravity weight; 18. a second gravity weight; 19. connecting blocks; 20. and a limiting hook.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a teaching aid for physics mechanics experiments in junior middle school, which comprises a supporting pedestal 1, the middle part fixed mounting who supports the 1 upper end of base has flexible support column 2, the upper end fixed mounting of flexible support column 2 has lever link 3, the upper end fixed mounting of lever link 3 has experiment operation panel 4, the fixed spout 5 that is provided with of lower extreme of experiment operation panel 4, through first removal slider 6 fixed connection between spout 5 and the lever link 3, two left front and back sides fixed mounting of 4 lower extremes of experiment operation panel has left hook mounting panel 7, two front and back sides fixed mounting on 4 lower extremes of experiment operation panel right side has right hook mounting panel 8.
Further, left hook mounting panel 7, through second removal slider 9 fixed connection between right hook mounting panel 8 and the spout 5, the below fixed mounting of left hook mounting panel 7 and right hook mounting panel 8 has couple 10, through with left hook mounting panel 7 and right hook mounting panel 8 erection joint on experiment operation panel 4, make inseparabler and the stability that the object that the below needs the hook is connected, and left hook mounting panel 7 and right hook mounting panel 8 accessible second removal slider 9 drive the nimble shift position of below part, make the experiment go on more meticulous, it is applicable in multiple condition, this setting makes the student can follow the experiment and see the relation of the weight length position of heavy object, make the more thorough of student's study.
Further, the fixed scale mark 11 that is provided with in upper end of experiment operation panel 4, the fixed connecting thread 12 that is provided with in outer end of flexible support column 2, solid fixed ring 13 is installed to the outer end screw thread of flexible support column 2, through installing solid fixed ring 13 in flexible support column 2's outer end, the device is earlier according to the difference of experimenting that will go on before the use and is adjusted the height of flexible support column 2, then through rotatory solid fixed ring 13 and connecting thread 12 looks adaptation with this height-fixing, the going on of the follow-up experiment of being convenient for, the operation effect of device has been improved.
Further, the left side and the right side of the upper end of the supporting base 1 are fixedly provided with weight seats 14, the front sides of the upper ends of the weight seats 14 are fixedly provided with a first weight groove 15, the rear sides of the upper ends of the weight seats 14 are fixedly provided with a second weight groove 16, and the weights are matched with the first weight groove 15 and the second weight groove 16 in position, so that the weights are stored more stably, and the stability of the device is further improved.
Further, the upper end fixed mounting in weight groove one 15 has a gravity weight 17, the upper end fixed mounting in weight groove two 16 has a gravity weight two 18, through installing the gravity weight 17 and the gravity weight two 18 of different weight on weight seat 14, make teacher or user can be according to the different regulation weight specifications of the experiment demand that will go on when teaching, make the experiment go on more accurate, improved the result of use of teaching aid, also improved student's understanding effect.
Further, the upper end fixed mounting of couple 10 has connecting block 19, the lower extreme fixed mounting of couple 10 has spacing hook 20, through installing connecting block 19 in the upper end of couple 10, make couple 10 and left hook mounting panel 7, it is inseparabler that right hook mounting panel 8 is connected, it is more stable with the weight hook, spacing hook 20 that the cooperation set up is in couple 10 bottom, the device can be spacing to the weight of hook on the couple 10 under the state that is in the slope, avoid appearing the problem that the weight drops because of the slope, the stability that the weight is connected has been improved, be convenient for go on of experiment.
The working principle is as follows: the device is a teaching aid for junior middle school physics mechanics experiments, can be used for demonstrating Newton's law, let the student understand the relationship of lever principle and weight and connector length, improve the understanding ability of student, adjust the position, height and angle of experiment operation panel 4 according to the requirement of this experiment at first before using, there is a spout 5 under the experiment operation panel 4, make the relative position between experiment operation panel 4 and the first movable slider 6 move, after the flexible support column 2 of below has adjusted the height, through rotating the fixed ring 13 and connecting thread 12 looks adaptation and fixing this height, the going on of the follow-up experiment of being convenient for, according to the experiment demand, left hook mounting panel 7 and right hook mounting panel 8 can drive the flexible moving position of the part below through the second movable slider 9, make the experiment go on more meticulously, applicable in many situations, cooperate the different specification weights that the experiment demand, make the experiment go on more accurate, this setting makes the student can see the relation of the weight length position of heavy object in the experiment, the spacing hook 20 that the cooperation set up after the weight hook is good is in couple 10 bottoms, can carry on spacingly to the weight of hook on the couple 10 under the state that the device is in the slope, avoid appearing the problem that the weight drops because of the slope, the stability that the weight is connected has been improved, 3 internally mounted of lever link of setting have the connecting pin, when needs angle regulation, take out convenient experiment operation panel 4 angle regulation with the connecting pin, install the connecting pin after adjusting and make the angle no longer change, the going on of convenient experiment, improve its stability, each part of the device mutually supports makes the device whole more reasonable, the effectual work efficiency that has improved.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a teaching aid for physics mechanics experiments in junior middle school, includes support base (1), its characterized in that: support middle part fixed mounting of base (1) upper end has flexible support column (2), the upper end fixed mounting of flexible support column (2) has lever link (3), the upper end fixed mounting of lever link (3) has experiment operation panel (4), the lower extreme of experiment operation panel (4) is fixed and is provided with spout (5), through first removal slider (6) fixed connection between spout (5) and lever link (3), experiment operation panel (4) lower extreme left front and back both sides fixed mounting has left hook mounting panel (7), experiment operation panel (4) lower extreme right side front and back both sides fixed mounting has right hook mounting panel (8).
2. A teaching aid for physical mechanics experiments in junior middle school according to claim 1, characterized in that: left side hook mounting panel (7), right hook hang between mounting panel (8) and spout (5) through second removal slider (9) fixed connection, the below fixed mounting of left side hook mounting panel (7) and right hook hanging mounting panel (8) has couple (10).
3. A teaching aid for junior middle school physics mechanics experiments according to claim 2, characterized in that: the fixed scale mark (11) that is provided with in upper end of experiment operation panel (4), the fixed connecting thread (12) that is provided with in outer end of flexible support column (2), solid fixed ring (13) are installed to the outer end screw thread of flexible support column (2).
4. A teaching aid for junior middle school physics mechanics experiments according to claim 3, characterized in that: the weight seat is characterized in that weight seats (14) are fixedly mounted on the left side and the right side of the upper end of the supporting base (1), a first weight groove (15) is fixedly arranged on the front side of the upper end of the weight seat (14), and a second weight groove (16) is fixedly arranged on the rear side of the upper end of the weight seat (14).
5. A teaching aid for physical mechanics experiments in junior middle school according to claim 4, characterized in that: the upper end of the first weight groove (15) is fixedly provided with a first gravity weight (17), and the upper end of the second weight groove (16) is fixedly provided with a second gravity weight (18).
6. A teaching aid for junior middle school physics mechanics experiments according to claim 5, characterized in that: the upper end fixed mounting of couple (10) has connecting block (19), the lower extreme fixed mounting of couple (10) has spacing hook (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409157.5U CN214897179U (en) | 2021-02-24 | 2021-02-24 | Teaching aid for physical mechanics experiments in junior middle school |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409157.5U CN214897179U (en) | 2021-02-24 | 2021-02-24 | Teaching aid for physical mechanics experiments in junior middle school |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214897179U true CN214897179U (en) | 2021-11-26 |
Family
ID=78855572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120409157.5U Expired - Fee Related CN214897179U (en) | 2021-02-24 | 2021-02-24 | Teaching aid for physical mechanics experiments in junior middle school |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214897179U (en) |
-
2021
- 2021-02-24 CN CN202120409157.5U patent/CN214897179U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |