CN201804481U - Multipurpose investigation device for causes of internal pressure and buoyancy of liquid - Google Patents
Multipurpose investigation device for causes of internal pressure and buoyancy of liquid Download PDFInfo
- Publication number
- CN201804481U CN201804481U CN2010205568545U CN201020556854U CN201804481U CN 201804481 U CN201804481 U CN 201804481U CN 2010205568545 U CN2010205568545 U CN 2010205568545U CN 201020556854 U CN201020556854 U CN 201020556854U CN 201804481 U CN201804481 U CN 201804481U
- Authority
- CN
- China
- Prior art keywords
- buoyancy
- internal pressure
- water container
- rubber membrane
- liquid
- 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 an experimental appliance for physics teaching, in particular to a multipurpose investigation device for causes of internal pressure and buoyancy of liquid, which comprises a water container (1), a transparent tube (2), a support handle (3), a powerful magnet (4), a handle (5), an upper rubber film (6), scale marks (7) and a lower rubber film (8). The transparent tube (2) is arranged in the water container (1), the support handle (3) is affixed to the transparent tube (2), a powerful magnet is fixed to one end of the support handle (3) close to the wall of the water container and mutually attracts the powerful magnet (4) fixed in the handle (5) outside the wall of the water container, and the upper rubber film (6) and the lower rubber film (8) are respectively fixed to two ends of the transparent tube (2). Compared with the prior art, the multipurpose investigation device has het advantages of simple structure, capability of guaranteeing effective operation of investigation experiment on the causes of internal pressure and buoyancy of the liquid, convenience in operation, easiness for observation and direct effect.
Description
Technical field
The utility model relates to a kind of experiment apparatus of physics teaching, and many usefulness of the specifically a kind of liquid internal pressure and the buoyancy origin cause of formation are probed into device.
Background technology
In the study of physics section, the liquid internal pressure rule and the buoyancy origin cause of formation are to be the difficult point of study all the time.Classmates understand the generation of buoyancy and feel abstract especially.And the current experiments equipment, " the small piezometer " that also has some to measure the liquid internal pressure rule, structure is complicated, is difficult for promoting.The device of probing into that some demonstration liquid buoyancy origin causes of formation are also arranged, but inconvenient operation, experiment effect is relatively poor.
The utility model content
The utility model is at the deficiency of the experiment apparatus of the existing liquid internal pressure and the buoyancy origin cause of formation, provides a kind of simple in structure, can effectively carry out many usefulness of the liquid internal pressure and the buoyancy origin cause of formation and probe into device.
The utility model is by the following technical solutions: many usefulness of a kind of liquid internal pressure and the buoyancy origin cause of formation are probed into device, comprise water container 1, transparent cylinder 2, support shank 3, kicker magnet 4, handle 5, last rubber membrane 6, scale 7, following rubber membrane 8, described transparent cylinder 2 is in water container 1, and transparent cylinder 2 is bonded with support shank 3, and described support shank 3 is fixed with a kicker magnet near an end of the wall that is filled with water, attract each other with the kicker magnet 4 of outer handle 5 internal fixation of wall that are filled with water, the two ends of described transparent cylinder 2 are fixed with rubber membrane 6 and following rubber membrane 8 respectively.
Compared with prior art, the beneficial effects of the utility model are simple in structure, can effectively carry out the experiment of probing into of the liquid internal pressure and the buoyancy origin cause of formation, and are easy to operate, are easy to observe, and effect is directly perceived.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Among the figure: water container 1, transparent cylinder 2, support shank 3, kicker magnet 4, handle 5, last rubber membrane 6, scale 7, following rubber membrane 8.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Referring to accompanying drawing 1, in the present embodiment, the water container 1 that many usefulness of this liquid internal pressure and the buoyancy origin cause of formation are probed into device is transparent vertical rectangular parallelepiped, transparent cylinder 2 is bonded with support shank 3, this support shank 3 is fixed with a kicker magnet near an end of the walls that are filled with water, and attracts each other with the kicker magnet 4 of outer handle 5 internal fixation of wall that are filled with water.The two ends of transparent cylinder 2 are fixed with rubber membrane 6 and following rubber membrane 8 respectively.
Principle of work of the present utility model is as follows: gently pour clear water in many usefulness of this liquid internal pressure and the buoyancy origin cause of formation are probed into the water container 1 of device, the liquid level of water container 1 is more than 30CM, rubber membrane 6 and following rubber membrane 8 are owing to the pressure of liquid internal stretches in the transparent cylinder 2 on this moment, rubber membrane 6 is dark on the following depth ratio of rubber membrane 8 in water of cause, stretch to length in the transparent cylinder 2 than last rubber membrane more than 6 so can intuitively compare down rubber membrane 8 from the scale 7, descend on the force rate that rubber membrane 8 is subjected to rubber membrane 6 big as can be known, the origin cause of formation of Here it is buoyancy.When handle 5 upwards slided, kicker magnet 4 was attracting support shank 3 and transparent cylinder 2 upwards to slide, and the length that last rubber membrane 6 and following rubber membrane 8 stretch in the transparent cylinder 2 diminishes gradually, and liquid internal pressure reduces along with the minimizing of the degree of depth as can be known.Turning handle 5 makes transparent cylinder 2 levels, and the length that rubber membrane 6 and following rubber membrane 8 stretch in the transparent cylinder 2 on this moment is the same, and liquid internal equates at the pressure of the same degree of depth as can be known.
Claims (1)
1. many usefulness of the liquid internal pressure and the buoyancy origin cause of formation are probed into device, comprise water container, transparent cylinder, support shank, kicker magnet, handle, go up rubber membrane, scale, following rubber membrane, it is characterized in that: described transparent cylinder is in water container, transparent cylinder is bonded with support shank, described support shank is fixed with a kicker magnet near an end of the wall that is filled with water, attract each other with the kicker magnet of the outer handle internal fixation of wall that is filled with water, the two ends of described transparent cylinder are fixed with rubber membrane and following rubber membrane respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205568545U CN201804481U (en) | 2010-10-12 | 2010-10-12 | Multipurpose investigation device for causes of internal pressure and buoyancy of liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205568545U CN201804481U (en) | 2010-10-12 | 2010-10-12 | Multipurpose investigation device for causes of internal pressure and buoyancy of liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201804481U true CN201804481U (en) | 2011-04-20 |
Family
ID=43873982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205568545U Expired - Fee Related CN201804481U (en) | 2010-10-12 | 2010-10-12 | Multipurpose investigation device for causes of internal pressure and buoyancy of liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201804481U (en) |
-
2010
- 2010-10-12 CN CN2010205568545U patent/CN201804481U/en not_active Expired - Fee Related
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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: 20110420 Termination date: 20111012 |