CN203573535U - Piston type water pump demonstrating device - Google Patents
Piston type water pump demonstrating device Download PDFInfo
- Publication number
- CN203573535U CN203573535U CN201320662007.0U CN201320662007U CN203573535U CN 203573535 U CN203573535 U CN 203573535U CN 201320662007 U CN201320662007 U CN 201320662007U CN 203573535 U CN203573535 U CN 203573535U
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- CN
- China
- Prior art keywords
- piston
- cylinder
- water pump
- cylinder barrel
- base plate
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- Expired - Fee Related
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Abstract
The utility model discloses a piston type water pump demonstrating device which comprises a cylinder, wherein the cylinder has a bottom fixed on a base plate and is made of transparent plastic. The bottom of the cylinder is provided with a water inlet pipe which penetrates through the base plate. The water inlet pipe is internally provided with a unidirectional water inlet valve. The cylinder is internally provided with a piston on which a piston ring is sleeved. The piston is provided with a unidirectional water outlet valve. The upper wall of the cylinder is provided with a water outlet nozzle. The top end of the cylinder is provided with a cylinder cover. A hoisting rod penetrates through the cylinder cover and is connected with the piston. The hoisting rod is rotatably connected with the top end of a pressing rod. The middle part of the pressing rod is rotatably connected with a vertical column which is arranged at one side of the cylinder and is vertically fixed on the base plate. The tail end of the pressing rod is provided with a handle. The piston type water pump demonstrating device provided by the utility model can cause the student to clearly observe the whole operation process of a piston type water pump, thereby sufficiently improving studying enthusiasm of the student and improving studying effect.
Description
Technical field
The utility model relates to a kind of physics teaching experiment apparatus for demonstrating, relates in particular to a kind of water pumper apparatus for demonstrating.
Background technology
In existing physical teaching course, teacher, when lecturing the relevant knowledge of atmospheric pressure to student, often be take piston-type water pump as example, lectures its principle of work.In instruction process, for improving teaching efficiency, give full play to students ' enthusiasm, often use some Physical Experiment apparatus for demonstrating to demonstrate.And there is no on the market at present piston-type water pump apparatus for demonstrating, cause teaching efficiency not good.
Utility model content
The purpose of this utility model is to provide a kind of piston-type water pump apparatus for demonstrating, can show intuitively the principle of work of piston-type water pump, can give full play to students ' enthusiasm, improves teaching efficiency.
The utility model adopts following technical proposals:
A piston-type water pump apparatus for demonstrating, comprises the cylinder barrel that bottom is fixed on base plate and is made by transparent plastic, and cylinder barrel bottom is provided with the water inlet pipe through base plate, is provided with one-way water inlet valve in water inlet pipe; Cylinder barrel inside is provided with the piston of sheathed piston ring, on piston, be provided with one-way water outlet valve, on the bucket wall on cylinder barrel top, be provided with faucet, cylinder barrel top is provided with cylinder cap, suspension rod is connected with piston through cylinder cap, and suspension rod and cylinder cap are tightly connected, and suspension rod and depression bar top are rotationally connected, the middle part of depression bar is rotationally connected with the column that is arranged on cylinder barrel one side and be vertically fixed on base plate, and the tail end of depression bar is provided with handle.
Described base plate lower surface is provided with several support columns, the long 1cm of length of the Length Ratio water inlet pipe of each support column.
The lower surface of described support column is fixed in circular channels.
Described suspension rod is provided with limiting plate on the position between cylinder cap and piston.
The cylinder barrel that the utility model is used transparent material to make, and one-way water outlet valve piston is set in cylinder barrel, when repeatedly lifting by lower handle, under atmospheric effect, by being provided with the function that one-way water inlet valve is realized piston-type water pump in one-way water outlet valve and water inlet pipe, can make student observe clearly the whole course of work of piston-type water pump, give full play to students ' enthusiasm, improve teaching efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises base plate 1, and base plate 1 upper surface is provided with cylinder barrel 2 and column 3, and column 3 is positioned at a side of cylinder barrel 2.The bottom of cylinder barrel 2 is provided with the water inlet pipe 4 through base plate 1, is provided with the upwards one-way water inlet valve 5 of conducting in water inlet pipe 4; Cylinder barrel 2 inside are provided with the piston 7 of sheathed piston ring 6, are provided with the upwards one-way water outlet valve 8 of conducting on piston 7, on the bucket wall on cylinder barrel 2 tops, are provided with faucet 9, and cylinder barrel 2 tops are provided with cylinder cap 10; Suspension rod 11 is connected with piston 7 through cylinder cap 10, suspension rod 11 is provided with limiting plate 12 on the position between cylinder cap 10 and piston 7, the maximum position moving up for limited piston 7, suspension rod 11 is tightly connected with cylinder cap 10, suspension rod 11 is rotationally connected with depression bar 13 tops, the middle part of depression bar 13 and column 3 are rotationally connected, and the tail end of depression bar 13 is provided with handle 14.
The utility model is also provided with circular channels 15, and several support columns by base plate 1 lower surface setting are fixed in circular channels 15 by base plate 1, the long 1cm of length of the Length Ratio water inlet pipe 4 of each support column 16, guarantees that the water in circular channels 15 can enter into cylinder barrel 2 inner chambers by water inlet pipe 4 smoothly.
The utility model in use, first by the interior injected water of circular channels 15, then student upwards mentions handle 14, and in this process, the piston 7 of cylinder barrel 2 inside moves upward, under atmospheric effect, one-way water outlet valve 8 will be closed, and the air pressure of cylinder barrel 2 internal piston 7 belows is less than external atmosphere pressure, therefore, one-way water inlet valve 5 is opened under atmospheric effect, and the water in circular channels 15 enters in the space of cylinder barrel 2 internal piston 7 belows by water inlet pipe 4.When student depresses handle 14 downwards, one-way water inlet valve 5 is closed under the effect of hydraulic pressure, and one-way water outlet valve 8 will be opened, and the water of cylinder barrel 2 inside will enter in the space of cylinder barrel 2 internal piston 7 tops by one-way water outlet valve 8.When student upwards mentions handle 14 again, one-way water outlet valve 8 will be closed under atmospheric effect, water in cylinder barrel 2 internal piston 7 superjacent air spaces will flow out by faucet 9, and the water in circular channels 15 will enter in the space of cylinder barrel 2 internal piston 7 belows again by water inlet pipe 4 simultaneously.Therefore,, by repeatedly mentioning, by lower handle 14, the water in circular channels 15 will continue to flow out by faucet 9 under effect of the present utility model.In the process of demonstrating, after being mixed with pigment, the water in circular channels 15 forms certain color, more can improve demonstration effect.
Claims (4)
1. a piston-type water pump apparatus for demonstrating, is characterized in that: comprise the cylinder barrel that bottom is fixed on base plate and is made by transparent plastic, cylinder barrel bottom is provided with the water inlet pipe through base plate, is provided with one-way water inlet valve in water inlet pipe; Cylinder barrel inside is provided with the piston of sheathed piston ring, on piston, be provided with one-way water outlet valve, on the bucket wall on cylinder barrel top, be provided with faucet, cylinder barrel top is provided with cylinder cap, suspension rod is connected with piston through cylinder cap, and suspension rod and cylinder cap are tightly connected, and suspension rod and depression bar top are rotationally connected, the middle part of depression bar is rotationally connected with the column that is arranged on cylinder barrel one side and be vertically fixed on base plate, and the tail end of depression bar is provided with handle.
2. piston-type water pump apparatus for demonstrating according to claim 1, is characterized in that: described base plate lower surface is provided with several support columns, the long 1cm of length of the Length Ratio water inlet pipe of each support column.
3. piston-type water pump apparatus for demonstrating according to claim 2, is characterized in that: the lower surface of described support column is fixed in circular channels.
4. piston-type water pump apparatus for demonstrating according to claim 3, is characterized in that: described suspension rod is provided with limiting plate on the position between cylinder cap and piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662007.0U CN203573535U (en) | 2013-10-25 | 2013-10-25 | Piston type water pump demonstrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662007.0U CN203573535U (en) | 2013-10-25 | 2013-10-25 | Piston type water pump demonstrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203573535U true CN203573535U (en) | 2014-04-30 |
Family
ID=50541256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320662007.0U Expired - Fee Related CN203573535U (en) | 2013-10-25 | 2013-10-25 | Piston type water pump demonstrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203573535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111862769A (en) * | 2020-09-08 | 2020-10-30 | 重庆水利电力职业技术学院 | Multifunctional pump principle teaching demonstration device |
-
2013
- 2013-10-25 CN CN201320662007.0U patent/CN203573535U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111862769A (en) * | 2020-09-08 | 2020-10-30 | 重庆水利电力职业技术学院 | Multifunctional pump principle teaching demonstration device |
| CN111862769B (en) * | 2020-09-08 | 2021-04-02 | 重庆水利电力职业技术学院 | Multifunctional pump principle 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: 20140430 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |