CN209947220U - Water boiling physical experiment demonstration device - Google Patents
Water boiling physical experiment demonstration device Download PDFInfo
- Publication number
- CN209947220U CN209947220U CN201920493523.2U CN201920493523U CN209947220U CN 209947220 U CN209947220 U CN 209947220U CN 201920493523 U CN201920493523 U CN 201920493523U CN 209947220 U CN209947220 U CN 209947220U
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- test tube
- liquid feeding
- branch pipe
- asbestos gauge
- feeding branch
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a water boiling physics experiment presentation device belongs to experiment teaching device technical field, including iron stand platform and test tube, fixed mounting has asbestos gauge net support and test tube clamp on the stand of iron stand platform, be equipped with the asbestos gauge net on the asbestos gauge net support, be equipped with the alcohol burner on the iron stand platform base, be equipped with the thermometer on the test tube, manometer and liquid feeding branch pipe, the top of liquid feeding branch pipe is equipped with the external screw thread, a nut is installed to the top screw thread of liquid feeding branch pipe, the inside piston that is equipped with of test tube, the fixed piston rod that is equipped with in piston upper end, the fixed supporting seat that is equipped with on the outer circumference in test tube top, the supporting seat upper end is equipped with the mount pad, mount pad intermediate position department sets up porosely. The utility model discloses only use a container just can demonstrate the relation between boiling point and the pressure about water, the pressure in the test tube is convenient to be adjusted, and temperature and pressure can all show in real time, and the demonstration is more directly perceived.
Description
Technical Field
The utility model relates to a water boiling physics experiment presentation device belongs to experiment teaching device technical field.
Background
At present, in the middle school physics teaching experiment, when the experiment demonstration of water boiling is carried out, water is usually added into a beaker, an alcohol lamp is used for heating, the water is boiled, a thermometer is used for measuring the boiling point, and the boiling phenomenon of the water is observed. When the relationship between the boiling point of water and the air pressure is to be demonstrated, it is necessary to separately operate the flask. Therefore, the problems that the pressure is inconvenient to change, the pressure cannot be visually displayed, a plurality of containers are needed for comparison and demonstration, the operation is complex, and the occupied space is large exist.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve exist among the prior art not enough, provide a convenient operation, demonstrate more audio-visual water boiling physical experiment presentation device.
The utility model discloses a realize through following technical scheme:
the utility model provides a water boiling physics experiment presentation device, including iron stand platform and test tube, fixed mounting has asbestos gauge support and test tube clamp on the stand of iron stand platform, be equipped with the asbestos gauge on the asbestos gauge support, the test tube is fixed by the test tube clamp, the test tube bottom contacts with the asbestos gauge, be equipped with the alcohol burner on the iron stand platform base, be equipped with the thermometer on the test tube, manometer and liquid feeding branch pipe, the top of liquid feeding branch pipe is equipped with the external screw thread, a nut is installed to the top screw thread of liquid feeding branch pipe, the inside piston that is equipped with of test tube, the fixed piston rod that is equipped with in piston upper end, the fixed supporting seat that is equipped with on the outer circumference in test tube top, the supporting seat upper end is equipped with the mount pad, mount pad intermediate position department sets up porosely, install the bearing.
The utility model discloses only use a container just can demonstrate the relation between boiling point and the pressure about water, the pressure in the test tube is very convenient to be adjusted, and temperature and pressure can all show in real time, and the demonstration is more directly perceived.
Further preferably, a limiting ring is welded to the bottom end of the mounting seat, and the inner circle of the limiting ring abuts against the outer circular ring of the bearing.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
the utility model discloses only use a container just can demonstrate the relation between boiling point and the pressure about water, the pressure in the test tube is very convenient to be adjusted, and temperature and pressure can all show in real time, and the demonstration is more directly perceived.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
In the figure: 1. an iron stand; 2. an alcohol lamp; 3. an asbestos gauge support; 4. an asbestos web; 5. a test tube; 6. a liquid feeding branch pipe; 7. a nut; 8. a test tube clamp; 9. a thermometer; 10. a pressure gauge; 11. a piston; 12. a piston rod; 13. a supporting seat; 14. a mounting seat; 15. a bearing; 16. a nut; 17. a handle; 18. a limit ring.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the water boiling physical experiment demonstration device comprises an iron stand 1 and a test tube 5, wherein an asbestos mesh support 3 and a test tube clamp 8 are fixedly installed on a stand column of the iron stand 1, an asbestos mesh 4 is arranged on the asbestos mesh support 3, the test tube 5 is fixed by the test tube clamp 8, the bottom end of the test tube 5 is in contact with the asbestos mesh 4, an alcohol burner 2 is arranged on a base of the iron stand 1, a thermometer 9, a pressure gauge 10 and a liquid feeding branch tube 6 are arranged on the test tube 5, an external thread is arranged at the top end of the liquid feeding branch tube 6, a nut 7 is installed at the top end of the liquid feeding branch tube 6, a piston 11 is arranged inside the test tube 5, a piston rod 12 is fixedly arranged at the upper end of the piston 11, a support base 13 is fixedly arranged on the outer circumference of the top end of the test tube 5, a mounting base 14 is arranged at the, the piston rod 12 penetrates through the nut 16, the upper portion of the piston rod 12 is provided with an external thread, the nut 16 is provided with a handle 17, the bottom end of the mounting seat 14 is welded with a limiting ring 18, and the inner circle of the limiting ring 18 abuts against the outer circular ring of the bearing 15.
The working process is as follows:
add water in to test tube 5 through liquid feeding branch pipe 6, use nut 7 to block up liquid feeding branch pipe 6 after having added water, hold handle 17 swivel nut 16, piston rod 12 drives piston 11 and reciprocates like this, upward movement, the pressure in the test tube 5 diminishes, the downstream, the pressure grow in the test tube 5, manometer 10 shows the pressure in the test tube 5 in real time, alcohol burner 2 gives test tube 5 heating, the water boiling in the test tube 5, obtain the boiling point of water under certain pressure, can obtain multiunit data like this, the boiling point of water under different pressures promptly.
In the description of the present invention, the terms "inside", "outside", "up", "down", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description of the present invention and does not require the present invention to be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (2)
1. The utility model provides a water boiling physics experiment presentation device, includes iron stand platform (1) and test tube (5), fixed mounting has asbestos gauge net support (3) and test tube clamp (8) on the stand of iron stand platform (1), is equipped with asbestos gauge net (4) on asbestos gauge net support (3), and test tube (5) are fixed by test tube clamp (8), and test tube (5) bottom contacts with asbestos gauge net (4), is equipped with alcohol burner (2) on iron stand platform (1) base, its characterized in that: be equipped with thermometer (9) on test tube (5), manometer (10) and liquid feeding branch pipe (6), the top of liquid feeding branch pipe (6) is equipped with the external screw thread, nut (7) are installed to the top screw thread of liquid feeding branch pipe (6), test tube (5) inside is equipped with piston (11), piston (11) upper end is fixed and is equipped with piston rod (12), fixed supporting seat (13) that are equipped with on the outer circumference in test tube (5) top, supporting seat (13) upper end is equipped with mount pad (14), mount pad (14) intermediate position department sets up porosely, this downthehole bearing (15) of installing, install nut (16) in bearing (15), piston rod (12) pass nut (16) and set up, piston rod (12) upper portion is equipped with the external screw thread, be equipped with handle (17) on.
2. The demonstration device for water boiling physical experiment of claim 1, wherein: a limiting ring (18) is welded at the bottom end of the mounting seat (14), and the inner circle of the limiting ring (18) is abutted against the outer circular ring of the bearing (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920493523.2U CN209947220U (en) | 2019-04-12 | 2019-04-12 | Water boiling physical experiment demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920493523.2U CN209947220U (en) | 2019-04-12 | 2019-04-12 | Water boiling physical experiment demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209947220U true CN209947220U (en) | 2020-01-14 |
Family
ID=69127589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920493523.2U Expired - Fee Related CN209947220U (en) | 2019-04-12 | 2019-04-12 | Water boiling physical experiment demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209947220U (en) |
-
2019
- 2019-04-12 CN CN201920493523.2U patent/CN209947220U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 Termination date: 20210412 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |