CN204360661U - A kind of teaching aid of convenient teaching - Google Patents
A kind of teaching aid of convenient teaching Download PDFInfo
- Publication number
- CN204360661U CN204360661U CN201520048494.0U CN201520048494U CN204360661U CN 204360661 U CN204360661 U CN 204360661U CN 201520048494 U CN201520048494 U CN 201520048494U CN 204360661 U CN204360661 U CN 204360661U
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- display box
- liquid
- liquid display
- suspension rod
- pressure
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Abstract
The utility model discloses a kind of teaching aid of convenient teaching, comprise liquid display box, water pump, four-way, first liquid case, second liquid case, the 3rd fluid box, connecting water pipe, suspension rod, organize component exhibiting, pressure pipe and pressure film more; Water pump connects liquid display box by connecting water pipe, and water pump is connected with four-way by connecting water pipe, and four-way is communicated with first liquid case, second liquid case and the 3rd fluid box by connecting water pipe; Suspension rod is arranged on directly over liquid display box, and many group component exhibitings are disposed on suspension rod; Component exhibiting comprises wire winding ring, spring balance, stretch cord, linking springs and buoyant spheres; Pressure film is arranged on the lower end of pressure pipe, and the lower end of pressure pipe is inserted in liquid display box by through hole, and pressure pipe is longitudinally arranged on the sidepiece of liquid display box.The utility model can show the buoyancy of liquid to object and the pressure of liquid internal, is convenient to student and understands mechanics principle, facilitates the teaching of teacher simultaneously.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly relates to a kind of teaching aid of convenient teaching.
Background technology
Object is fallen in water, may sink, floats or be suspended in water, and this is the common phenomenon of occurring in nature.Because the density of liquid is different, temperature is different, the material of the degree of depth, object is different, volume is different, weight also different cause object to fall into liquid after can there is different situations, some pupils not learning physics are strange very well to these marvellous spontaneous phenomenons, having cannot it understands physical principle completely, has half knowledge to the explanation of teacher.
Utility model content
The purpose of this utility model: the teaching aid providing a kind of convenient teaching, the various situations can show that object sinks in water, float, suspending, are convenient to the teaching of teacher.
To achieve these goals, the technical solution of the utility model is:
A teaching aid for convenient teaching, comprises liquid display box, water pump, four-way, first liquid case, second liquid case, the 3rd fluid box, connecting water pipe, suspension rod, organizes component exhibiting, pressure pipe and pressure film more; One end of described water pump is connected to the bottom, side of described liquid display box by described connecting water pipe, the other end of described water pump is connected with one end of described four-way by described connecting water pipe, another three ends of described four-way are communicated with described first liquid case, second liquid case and the 3rd fluid box respectively by described connecting water pipe, and filling with respectively in described first liquid case, second liquid case and the 3rd fluid box has different liquids; Described suspension rod is arranged on directly over described liquid display box, and described suspension rod is horizontally disposed with, and described many groups component exhibiting is disposed on described suspension rod respectively; Described component exhibiting comprises wire winding ring, spring balance, stretch cord, linking springs and buoyant spheres, described wire winding ring is arranged on described suspension rod, the upper end of described spring balance is connected on wire winding ring by connecting line, the lower end of described spring balance is connected with the upper end of described stretch cord, described spring balance is between described suspension rod and described liquid display box, the lower end of described stretch cord is connected with the upper end of described linking springs, and the lower end of described linking springs is connected with described buoyant spheres; The upper end of described liquid display box is provided with multiple through hole, and the bottom of described stretch cord, linking springs and buoyant spheres are arranged in described liquid display box by described through hole; Described pressure pipe is the tubular structure of upper end and lower ending opening, described pressure film is arranged on the lower end of described pressure pipe, the lower end of described pressure pipe is inserted in described liquid display box by described through hole, and described pressure pipe is longitudinally arranged on the sidepiece of described liquid display box.
The teaching aid of above-mentioned convenient teaching, wherein, be provided with thermometer in described liquid display box, described thermometer is positioned at the side, bottom of described liquid display box.
The teaching aid of above-mentioned convenient teaching, wherein, the outer wall of described liquid display box is provided with scale mark, and described scale mark is positioned at the side of described liquid display box.
The teaching aid of above-mentioned convenient teaching, wherein, also comprises pressure regulation meter, the upper end of the pressure pipe described in described pressure regulation meter connects.
The teaching aid of above-mentioned convenient teaching, wherein, described through hole is provided with slip collar, and described pressure pipe is connected with described liquid display box by described slip collar.
The utility model can show the buoyancy of liquid to object and the pressure of liquid internal, is convenient to student and understands mechanics principle, facilitates the teaching of teacher simultaneously.
Accompanying drawing explanation
Fig. 1 is the front view of the teaching aid of a kind of convenient teaching of the utility model.
Fig. 2 is the vertical view of the liquid display box of the teaching aid of a kind of convenient teaching of the utility model.
Embodiment
Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.
Refer to shown in accompanying drawing 1 and accompanying drawing 2, a teaching aid for convenient teaching, comprises liquid display box 1, water pump 2, four-way 3, first liquid case 4, second liquid case 5, the 3rd fluid box 6, connecting water pipe 7, suspension rod 8, organizes component exhibiting, pressure pipe 9 and pressure film 10 more; One end of described water pump 2 is connected to the bottom, side of described liquid display box 1 by described connecting water pipe 7, the other end of described water pump 2 is connected with one end of described four-way 3 by described connecting water pipe 7, another three ends of described four-way 3 are communicated with described first liquid case 4, second liquid case 5 and the 3rd fluid box 6 respectively by described connecting water pipe 7, and filling with respectively in described first liquid case 4, second liquid case 5 and the 3rd fluid box 6 has different liquids; Described suspension rod 8 is arranged on directly over described liquid display box 1, and described suspension rod 8 is horizontally disposed with, and described many groups component exhibiting is disposed on described suspension rod 8 respectively; Described component exhibiting comprises wire winding ring 11, spring balance 12, stretch cord 13, linking springs 14 and buoyant spheres 15, described wire winding ring 11 is arranged on described suspension rod 8, the upper end of described spring balance 12 is connected on wire winding ring 11 by connecting line, the lower end of described spring balance 12 is connected with the upper end of described stretch cord 13, described spring balance 12 is between described suspension rod 8 and described liquid display box 1, the lower end of described stretch cord 13 is connected with the upper end of described linking springs 14, and the lower end of described linking springs 14 is connected with described buoyant spheres 15; The upper end of described liquid display box 1 is provided with multiple through hole 16, and the bottom of described stretch cord 13, linking springs 14 and buoyant spheres 15 are arranged in described liquid display box 1 by described through hole 16; Described pressure pipe 9 is tubular structures of upper end and lower ending opening, described pressure film 10 is arranged on the lower end of described pressure pipe 9, the lower end of described pressure pipe 9 is inserted in described liquid display box 1 by described through hole 16, and described pressure pipe 9 is longitudinally arranged on the sidepiece of described liquid display box 1.
Be provided with thermometer 17 in described liquid display box 1, described thermometer 17 is positioned at the side, bottom of described liquid display box 1, is convenient to measure the fluid temperature in liquid display box 1.
The outer wall of described liquid display box 1 is provided with scale mark 18, and described scale mark 18 is positioned at the side of described liquid display box 1, is convenient to control the liquid depth in liquid display box 1.
Also comprise pressure regulation meter 19, described pressure regulation meter 19 connects the upper end of described pressure pipe 9, can be used for regulating the pressure values in pressure pipe 9.
Described through hole 16 is provided with slip collar 20, and described pressure pipe 9 is connected with described liquid display box 1 by described slip collar 20, is convenient to regulate pressure pipe 9 to insert the degree of depth in liquid.
When demonstrating floating force size, open the valve between four-way 3 and a fluid box, by water pump 2 by liquid suction liquid display box 1, first liquid case 4, second liquid case 5, the 3rd fluid box 6 can pour into the liquid of different densities and temperature; Buoyant spheres 15 can adopt the material of the different densities such as hollow ball, wooden ball, baton round, iron ball to make, and the height of buoyant spheres 15 regulates by the connecting line on wire winding ring 11, and the gravity of buoyant spheres 15 is shown by the telescopic level of linking springs 14; When liquid is circulated into after in liquid display box 1, show the size of buoyancy by the reading change on spring balance 12, the different amount poured into by liquid of the degree of depth of liquid regulates.Pressure pipe 9 inserts in liquid, and the indent degree of pressure film 10 can be used for the liquid pressure showing pressure pipe 9 lower end.
In sum, the utility model can show the buoyancy of liquid to object and the pressure of liquid internal, is convenient to student and understands mechanics principle, facilitates the teaching of teacher simultaneously.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing the utility model description to do; or directly or indirectly use the technical field being attached to other Related products, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. a teaching aid for convenient teaching, is characterized in that: comprise liquid display box, water pump, four-way, first liquid case, second liquid case, the 3rd fluid box, connecting water pipe, suspension rod, organize component exhibiting, pressure pipe and pressure film more; One end of described water pump is connected to the bottom, side of described liquid display box by described connecting water pipe, the other end of described water pump is connected with one end of described four-way by described connecting water pipe, another three ends of described four-way are communicated with described first liquid case, second liquid case and the 3rd fluid box respectively by described connecting water pipe, and filling with respectively in described first liquid case, second liquid case and the 3rd fluid box has different liquids; Described suspension rod is arranged on directly over described liquid display box, and described suspension rod is horizontally disposed with, and described many groups component exhibiting is disposed on described suspension rod respectively; Described component exhibiting comprises wire winding ring, spring balance, stretch cord, linking springs and buoyant spheres, described wire winding ring is arranged on described suspension rod, the upper end of described spring balance is connected on wire winding ring by connecting line, the lower end of described spring balance is connected with the upper end of described stretch cord, described spring balance is between described suspension rod and described liquid display box, the lower end of described stretch cord is connected with the upper end of described linking springs, and the lower end of described linking springs is connected with described buoyant spheres; The upper end of described liquid display box is provided with multiple through hole, and the bottom of described stretch cord, linking springs and buoyant spheres are arranged in described liquid display box by described through hole; Described pressure pipe is the tubular structure of upper end and lower ending opening, described pressure film is arranged on the lower end of described pressure pipe, the lower end of described pressure pipe is inserted in described liquid display box by described through hole, and described pressure pipe is longitudinally arranged on the sidepiece of described liquid display box.
2. the teaching aid of convenient teaching according to claim 1, it is characterized in that: be provided with thermometer in described liquid display box, described thermometer is positioned at the side, bottom of described liquid display box.
3. the teaching aid of convenient teaching according to claim 1, it is characterized in that: the outer wall of described liquid display box is provided with scale mark, described scale mark is positioned at the side of described liquid display box.
4. the teaching aid of convenient teaching according to claim 1, is characterized in that: also comprise pressure regulation meter, the upper end of the pressure pipe described in described pressure regulation meter connects.
5. the teaching aid of convenient teaching according to claim 1, it is characterized in that: described through hole is provided with slip collar, described pressure pipe is connected with described liquid display box by described slip collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520048494.0U CN204360661U (en) | 2015-01-25 | 2015-01-25 | A kind of teaching aid of convenient teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520048494.0U CN204360661U (en) | 2015-01-25 | 2015-01-25 | A kind of teaching aid of convenient teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204360661U true CN204360661U (en) | 2015-05-27 |
Family
ID=53262117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520048494.0U Expired - Fee Related CN204360661U (en) | 2015-01-25 | 2015-01-25 | A kind of teaching aid of convenient teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204360661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767675A (en) * | 2019-03-05 | 2019-05-17 | 西京学院 | A kind of physical teaching demonstration device |
-
2015
- 2015-01-25 CN CN201520048494.0U patent/CN204360661U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767675A (en) * | 2019-03-05 | 2019-05-17 | 西京学院 | A kind of physical teaching demonstration device |
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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 |
Granted publication date: 20150527 Termination date: 20180125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |