CN203118306U - Teaching demonstration instrument - Google Patents
Teaching demonstration instrument Download PDFInfo
- Publication number
- CN203118306U CN203118306U CN 201320147938 CN201320147938U CN203118306U CN 203118306 U CN203118306 U CN 203118306U CN 201320147938 CN201320147938 CN 201320147938 CN 201320147938 U CN201320147938 U CN 201320147938U CN 203118306 U CN203118306 U CN 203118306U
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- CN
- China
- Prior art keywords
- water
- bottle
- demonstration
- inlet pipe
- water inlet
- 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 relates to teaching instruments, in particular to a teaching demonstration instrument. The teaching demonstration instrument is characterized in that a fulcrum bar is arranged on a workbench, a hang arm is arranged on the fulcrum bar, a demonstration bottle is arranged on the hang arm, an opening of the demonstration bottle is provided with a rubber plug, a water inlet pipe and a water outlet pipe are inserted in the rubber plug, the diameter of the water inlet pipe is smaller than that of the water outlet pipe, an outlet of the water inlet pipe is close to the bottom of the demonstration bottle, a water inlet pipe section of the water outlet pipe is close to the opening of the demonstration bottle, the water inlet pipe is connected with an open water storage bottle, a water collecting bottle is arranged on the workbench and is positioned below the water outlet pipe, the water storage bottle is arranged on a boss on the workbench, and the water collecting bottle is arranged on the surface of the workbench. During demonstration, a half bottle of water is filled in the demonstration bottle, the demonstration bottle is hung on the hang arm in such a manner that the opening of the demonstration bottle faces downwards, the water in the demonstration bottle flows into the water collecting bottle via the water outlet pipe, and water in the water storage bottle overcomes the action of gravity under a negative-pressure effect, and is ejected via a water outlet in the demonstration bottle from the water storage bottle arranged at a lower position, so that a small fountain phenomenon is demonstrated. The teaching demonstration instrument has the advantages of simple structure, low cost, convenience in operation, good visible effect and the like.
Description
Technical field
The utility model relates to instruments used for education, specifically a kind of simple in structure, with low cost, easy to operate, demonstration instrument for teaching that intuitive is good.
Background technology
As everyone knows, the junior school student is in study air pressure knowledge because air pressure is more abstract, be difficult for being accepted by classmates, existing air pressure demonstrator one be price higher, the 2nd, it is not vivid to demonstrate.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of simple in structure, with low cost, easy to operate, demonstration instrument for teaching that intuitive is good is provided.
The utility model can reach by following measure:
A kind of demonstration instrument for teaching, it is characterized in that worktable is provided with pole, pole is provided with the extension arm, hang arm and be provided with the demonstration bottle, the demonstration bottleneck is provided with plug, be inserted with water inlet pipe and rising pipe on the plug, the diameter of water inlet pipe is less than the diameter of rising pipe, the outlet of water inlet pipe approaches the demonstration bottle end, the water inlet pipe of rising pipe is near the demonstration bottleneck, and water inlet pipe is connected with the water-storage pot of opening, establishes the water receiving bottle on the worktable of rising pipe below, water-storage pot is located on the boss on the worktable, and the water receiving bottle is located on the work top.
During the utility model demonstration, be equipped with in half bottle of water, the water-storage pot in the demonstration bottle fill water, the water receiving bottle run out, to demonstrate bottleneck hangs on the arm downwards, water inlet pipe inserts in the water-storage pot, the water receiving bottle is placed on the worktable of rising pipe below, at this moment the water in the demonstration bottle flows into the water receiving bottle by rising pipe, water in the water-storage pot overcomes the gravity effect under suction function, carry out little fountain phenomenon by the low water-storage pot in position by the water delivering orifice ejection in the demonstration bottle, have advantages such as simple in structure, with low cost, easy to operate, that intuitive is good.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in the figure, a kind of demonstration instrument for teaching, it is characterized in that worktable 1 is provided with pole 2, pole 2 is provided with hangs arm 3, hang arm 3 and be provided with demonstration bottle 4, the demonstration bottleneck is provided with plug 5, be inserted with water inlet pipe 6 and rising pipe 7 on the plug, the diameter of water inlet pipe 6 is less than the diameter of rising pipe 7, the outlet of water inlet pipe 6 approaches the demonstration bottle end, the water inlet pipe of rising pipe 7 is near the demonstration bottleneck, water inlet pipe 6 is connected with the water-storage pot 8 of opening, establish water receiving bottle 9 on the worktable of rising pipe 7 belows, water-storage pot 8 is located on the boss 10 on the worktable 1, water receiving bottle 9 is located on the worktable 1, during the utility model demonstration, in the demonstration bottle half bottle of water is housed, fill water in the water-storage pot, the water receiving bottle run out, to demonstrate bottleneck hangs on the arm downwards, water inlet pipe inserts in the water-storage pot, the water receiving bottle is placed on the worktable of rising pipe below, and at this moment the water in the demonstration bottle flows into the water receiving bottle by rising pipe, and the water in the water-storage pot overcomes the gravity effect under suction function, the water-storage pot low by the position carries out little fountain phenomenon by the water delivering orifice ejection in the demonstration bottle, has simple in structure, with low cost, easy to operate, intuitive good etc. advantage.
Claims (1)
1. demonstration instrument for teaching, it is characterized in that worktable is provided with pole, pole is provided with the extension arm, hang arm and be provided with the demonstration bottle, the demonstration bottleneck is provided with plug, be inserted with water inlet pipe and rising pipe on the plug, the diameter of water inlet pipe is less than the diameter of rising pipe, the outlet of water inlet pipe approaches the demonstration bottle end, the water inlet pipe of rising pipe is near the demonstration bottleneck, and water inlet pipe is connected with the water-storage pot of opening, establishes the water receiving bottle on the worktable of rising pipe below, water-storage pot is located on the boss on the worktable, and the water receiving bottle is located on the work top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147938 CN203118306U (en) | 2013-03-28 | 2013-03-28 | Teaching demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147938 CN203118306U (en) | 2013-03-28 | 2013-03-28 | Teaching demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203118306U true CN203118306U (en) | 2013-08-07 |
Family
ID=48898630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320147938 Expired - Fee Related CN203118306U (en) | 2013-03-28 | 2013-03-28 | Teaching demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203118306U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957429A (en) * | 2016-07-19 | 2016-09-21 | 衡阳师范学院 | Integrated Hiro fountain demonstration instrument |
| CN106023741A (en) * | 2016-08-12 | 2016-10-12 | 湖南工学院 | Sandglass-type hero-of-alexandria fountain circulating demonstration instrument |
-
2013
- 2013-03-28 CN CN 201320147938 patent/CN203118306U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957429A (en) * | 2016-07-19 | 2016-09-21 | 衡阳师范学院 | Integrated Hiro fountain demonstration instrument |
| CN105957429B (en) * | 2016-07-19 | 2022-10-25 | 衡阳师范学院 | Integrated Hiro fountain demonstration instrument |
| CN106023741A (en) * | 2016-08-12 | 2016-10-12 | 湖南工学院 | Sandglass-type hero-of-alexandria fountain circulating demonstration instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20140328 |