CN204990894U - Physical teaching is with demonstration utensil - Google Patents
Physical teaching is with demonstration utensil Download PDFInfo
- Publication number
- CN204990894U CN204990894U CN201520495952.5U CN201520495952U CN204990894U CN 204990894 U CN204990894 U CN 204990894U CN 201520495952 U CN201520495952 U CN 201520495952U CN 204990894 U CN204990894 U CN 204990894U
- Authority
- CN
- China
- Prior art keywords
- swash plate
- ratchet
- plate
- base plate
- swash
- 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
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Abstract
The utility model discloses a physical teaching is with demonstration utensil, including bottom plate and swash plate, bottom plate one end is provided with the riser with bottom plate mutually perpendicular, installs the ratchet on the riser top, the epaxial crank that is provided with of wheel of ratchet, the swash plate is provided with the swash plate seat, and it is articulated that swash plate seat and bottom plate pass through the articulated shaft, and the cavity has been offered on the plane under the swash plate, infrared inductor is installed on the plane top on the swash plate, infrared inductor is located the swash plate side, still is provided with the fixed loop to the side of the swash plate, the fixed loop with be connected through the haulage rope between the ratchet, the haulage rope winding is on the ratchet, this device passes through traction rope connection through set up the fixed loop on the swash plate with the ratchet, only need sway the crank and make the haulage rope receive and release on the ratchet when the inclination who adjusts the swash plate, and the regulative mode is just controlled slight angle in a flexible way easily and is changed.
Description
Technical field
The utility model relates to teaching aid field, specifically a kind of physics teaching demonstrating appliance.
Background technology
Along with carrying out of efficient classroom, Physical Experiment more becomes an important step of classroom instruction; Good Demonstrating, can play a multiplier effect to raising students ' interest of study and high classroom efficiency, with lecture experiment on classroom for student shows colourful physical phenomenon and physical context, help student to understand the Changing Pattern of physical phenomenon intuitively, visually, form physical concept.
Existing Physical Experiment demonstrating appliance is very simple and crude, such as when carrying out friction factor experiment, swash plate often needs student to be fixed with hand, the angle of swash plate needs student to take protractor to measure, the object fall time is also take stopwatch to carry out record voluntarily by student, not only inconvenient operation, and experimental data, experimental result often error is too large, affect the learning interest of student.
Utility model content
The purpose of this utility model is to provide a kind of physics teaching demonstrating appliance, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of physics teaching demonstrating appliance, comprise base plate and swash plate, described base plate one end is provided with the orthogonal riser with base plate, on riser top, ratchet is installed, the wheel shaft of described ratchet is provided with crank, described swash plate is provided with swash plate seat, it is hinged that swash plate seat and base plate pass through jointed shaft, cavity is offered at swash plate lower plane, on described swash plate, plane top is provided with infrared inductor, described infrared inductor is positioned at swash plate side, also set collar is provided with in swash plate side, be connected by traction rope between described set collar with described ratchet, described traction rope is wrapped on ratchet, angel measuring instrument is connected with at the hinged axle head of base plate and swash plate seat, on described swash plate, plane bottom is provided with baffle plate, and baffle plate is provided with terminating switch, and swash plate seat is provided with timer, and described infrared inductor and terminating switch are electrically connected with described timer, described base plate is also provided with expansion link, and described expansion link lower end is connected by set bolt with base plate, is provided with clamping block on expansion link top, and described clamping block is positioned at the cavity on swash plate bottom surface.
As further program of the utility model: described angel measuring instrument is made up of transparent material.
As the utility model further scheme: on described baffle plate and swash plate between plane in 90 ° of angles.
Compared with prior art, the beneficial effects of the utility model are: this device is connected by traction rope with ratchet by arranging set collar on swash plate, only need shake crank to make traction rope carry out folding and unfolding on ratchet when regulating the angle of inclination of swash plate, regulative mode flexibly and easily control the change of trickle angle, by by timer and infrared inductor, terminating switch is electrically connected to fetch and carries out timing, simple to operation and measure accurately, and on base plate, arrange expansion link be fixed swash plate, the angle of swash plate when testing is avoided to change and cause experimental data inaccurate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
1-base plate in figure, 2-riser, 21-ratchet, 22-crank, 3-swash plate, 31-infrared inductor, 32-cavity, 33-set collar, 34-terminating switch, 35-baffle plate, 36-jointed shaft, 37-timer, 38-swash plate seat, 4-expansion link, 41-set bolt, 42-clamping block, 5-angel measuring instrument, 6-traction rope.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of physics teaching demonstrating appliance, comprise base plate 1 and swash plate 3, described base plate 1 one end is provided with the orthogonal riser 2 with base plate 1, on riser 2 top, ratchet 21 is installed, the wheel shaft of described ratchet 21 is provided with crank 22, described swash plate 3 is provided with swash plate seat 38, swash plate seat 38 is hinged by jointed shaft 36 with base plate 1, cavity 32 is offered at swash plate 3 lower plane, on described swash plate 3, plane top is provided with infrared inductor 31, described infrared inductor 31 is positioned at swash plate 3 side, set collar 33 is also provided with in swash plate 3 side, be connected by traction rope 6 between described set collar 33 with described ratchet 21, described traction rope 6 is wrapped on ratchet 21, ratchet 21 is driven to rotate by rotating crank 22, and then folding and unfolding is carried out to the distance between regulating between ratchet 21 and set collar 33 to the traction rope 6 be wrapped on ratchet 21, and then angle between swash plate 3 and base plate 1 can be regulated, be connected with angel measuring instrument 5 at base plate 1 and jointed shaft 36 end of swash plate seat 38, angel measuring instrument 5 is made up of transparent material, for measuring the angle of inclination of swash plate 3, on described swash plate 3, plane bottom is provided with baffle plate 35, on described baffle plate 35 and swash plate 3 between plane in 90 ° of angles, baffle plate 35 is provided with terminating switch 34, swash plate seat 38 is provided with timer 37, described infrared inductor 31 and terminating switch 34 are electrically connected with described timer 37, described base plate 1 is also provided with the expansion link 4 for supporting fixing swash plate 3, described expansion link 4 lower end is connected by set bolt 41 with base plate 1, clamping block 42 is provided with on expansion link 41 top, described clamping block 42 is positioned at the cavity 32 on swash plate 3 bottom surface, when the angle of swash plate 3 changes, the clamping block 42 on expansion link 4 top moves along cavity 32 track in cavity 32, and after angle is determined, expansion link 4 can be fixed swash plate 3, avoids the angle of the swash plate 3 when testing change and cause experimental data inaccurate,
When carrying out friction factor experiment, object is placed on swash plate 3, object is under gravity along swash plate 3 slide downward, when by infrared inductor 31, timer 37 starts timing, and when object landing is tackled to during swash plate 3 bottom by baffle plate 35, object contacts with terminating switch 34 and starts and fills terminating switch 34, timer 37 stops timing, simple to operation and measure accurately.
Principle of work of the present utility model is: this device is connected by traction rope 6 with ratchet 21 by arranging set collar 33 on swash plate 3, only need shake crank 22 to make traction rope 6 carry out folding and unfolding on ratchet 21 when regulating the angle of inclination of swash plate 3, regulative mode flexibly and easily control the change of trickle angle, by by timer 37 and infrared inductor 31, terminating switch 34 is electrically connected to fetch and carries out timing, simple to operation and measure accurately, and on base plate 1, arrange expansion link 4 pairs of swash plates 3 be fixed, the angle of the swash plate 3 when testing is avoided to change and cause experimental data inaccurate.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (3)
1. a physics teaching demonstrating appliance, comprise base plate and swash plate, it is characterized in that, described base plate one end is provided with the orthogonal riser with base plate, on riser top, ratchet is installed, the wheel shaft of described ratchet is provided with crank, described swash plate is provided with swash plate seat, it is hinged that swash plate seat and base plate pass through jointed shaft, cavity is offered at swash plate lower plane, on described swash plate, plane top is provided with infrared inductor, described infrared inductor is positioned at swash plate side, also set collar is provided with in swash plate side, be connected by traction rope between described set collar with described ratchet, described traction rope is wrapped on ratchet, angel measuring instrument is connected with at the hinged axle head of base plate and swash plate seat, on described swash plate, plane bottom is provided with baffle plate, and baffle plate is provided with terminating switch, and swash plate seat is provided with timer, and described infrared inductor and terminating switch are electrically connected with described timer, described base plate is also provided with expansion link, and described expansion link lower end is connected by set bolt with base plate, is provided with clamping block on expansion link top, and described clamping block is positioned at the cavity on swash plate bottom surface.
2. a kind of physics teaching demonstrating appliance according to claim 1, it is characterized in that, described angel measuring instrument is made up of transparent material.
3. a kind of physics teaching demonstrating appliance according to claim 1, is characterized in that, on described baffle plate and swash plate between plane in 90 ° of angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495952.5U CN204990894U (en) | 2015-07-10 | 2015-07-10 | Physical teaching is with demonstration utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495952.5U CN204990894U (en) | 2015-07-10 | 2015-07-10 | Physical teaching is with demonstration utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204990894U true CN204990894U (en) | 2016-01-20 |
Family
ID=55125238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520495952.5U Expired - Fee Related CN204990894U (en) | 2015-07-10 | 2015-07-10 | Physical teaching is with demonstration utensil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204990894U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561002A (en) * | 2017-07-19 | 2018-01-09 | 安徽工程大学 | The measurement apparatus of plate coefficient of friction |
| CN108806418A (en) * | 2018-06-13 | 2018-11-13 | 步林涛 | A kind of physics acceleration test simulator |
| CN108872053A (en) * | 2018-07-27 | 2018-11-23 | 苏州嘉迈德电子科技有限公司 | A kind of salt spray test chamber of adjustable-angle |
-
2015
- 2015-07-10 CN CN201520495952.5U patent/CN204990894U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561002A (en) * | 2017-07-19 | 2018-01-09 | 安徽工程大学 | The measurement apparatus of plate coefficient of friction |
| CN108806418A (en) * | 2018-06-13 | 2018-11-13 | 步林涛 | A kind of physics acceleration test simulator |
| CN108872053A (en) * | 2018-07-27 | 2018-11-23 | 苏州嘉迈德电子科技有限公司 | A kind of salt spray test chamber of adjustable-angle |
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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: 20160120 Termination date: 20160710 |