CN207966256U - A kind of liquid pressure based on ship-flow velocity relation teaching demonstration device - Google Patents
A kind of liquid pressure based on ship-flow velocity relation teaching demonstration device Download PDFInfo
- Publication number
- CN207966256U CN207966256U CN201820043273.8U CN201820043273U CN207966256U CN 207966256 U CN207966256 U CN 207966256U CN 201820043273 U CN201820043273 U CN 201820043273U CN 207966256 U CN207966256 U CN 207966256U
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- Prior art keywords
- water tank
- water
- model
- sink
- flow velocity
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Abstract
The utility model discloses a kind of liquid pressure flow velocity relation teaching demonstration device based on ship,It is related to teaching appliance field,Including water tank,Sink,Model hull,Water pump and water pipe,There are two the model hulls and is arranged side by side in water tank,The bottom end of model hull is connect by retaining spring with water tank,The side of water tank is equipped with spout hole,Spout hole is connect by return duct with sink,The water pump is set in sink,Water pump is connect by water pipe with nozzle,The top of water tank is equipped with case lid,It is provided with sunpender on case lid and extends in water tank,The bottom end of sunpender is connect with nozzle,The utility model is using model hull as teaching appliance,It is discharged using pumping for water pump and to two the intermediate of model hull,The speed of flow between quickening model hull,To realize the teaching demonstration of liquid pressure flow velocity relation,Simple, intuitive,And rich in warning meaning,Water in water tank and sink, which can be realized, to be recycled,Energy conservation and environmental protection.
Description
Technical field
The utility model is related to teaching appliance fields, and in particular to a kind of liquid pressure based on ship-flow velocity relation religion
Learn apparatus for demonstrating.
Background technology
In existing middle school physical experiment, pressure can be demonstrated and the laboratory apparatus of flow rate of liquid relationship also belongs to blank, student
The physical principle only cannot be well understood by by the abstract explanation of teacher.How to realize the presentation to the physical phenomenon and says
Bright explanation is the urgent problem of teaching.
China Patent Publication No. discloses a kind of physics pressure intensity experiment instrument for teaching for CN201181539Y, including:Holder,
High water tank, first segment flow testing tube, second segment flow testing tube, pressure display tube and lower water box, high water tank setting
On holder, high water tank is connected to through connecting tube with horizontally disposed first segment flow testing tube, the ' section flow testing tube and
Two sections of flow testing tube same level connections, the other end of second segment flow testing tube are connected to through drainpipe with lower water box, two pressures
No matter it is strong aobvious respectively with first segment flow testing tube and second segment flow testing tube vertical connection.The device can intuitively show not fluid
The relationship of pressure and flow velocity makes teaching experiment have many advantages, such as that intuitive, with obvious effects, student is readily understood.But its using
The mode of pressure display tube carries out the display of pressure, for the student of technology in terms of study ship, impression be not it is very deep,
In terms of in particular how preventing the harm that this phenomenon is brought.
Invention content
The purpose of this utility model is to provide a kind of liquid pressure based on ship-flow velocity relation teaching demonstration device,
To solve drawbacks described above caused by the prior art.
A kind of liquid pressure based on ship-flow velocity relation teaching demonstration device, including water tank, sink, model hull, water
Pump and water pipe, fill water in the water tank and sink, the model hull there are two and be arranged side by side in water tank, model ship
The bottom end of body is connect by retaining spring with water tank, and the side of water tank is equipped with spout hole, and spout hole is connected by return duct and sink
It connecing, water tank is installed on the top of sink by holder, and the water pump is set in sink, and water pump is connect by water pipe with nozzle,
The top of water tank is equipped with case lid, is provided with sunpender on case lid and extends in water tank, the bottom end of sunpender is connect with nozzle, nozzle
Water spraying direction is located on the center line between two model hulls.
Preferably, the bottom end of the sunpender is connected with clip, and the nozzle is detachably connected in clip.
Preferably, the case lid is equipped with guide sleeve, slidably connects guide post in guide sleeve, the upper end of guide post is connected with limit
Piece, is provided with resetting spring between banking stop and guide sleeve, the bottom end of guide post is connected with push plate.
Preferably, the cross-sectional shape of the push plate is triangle.
Preferably, the cross-sectional shape of the guide sleeve is rectangle.
The utility model has the advantage of：The present apparatus using model hull as teaching appliance, using pumping for water pump and to
The intermediate discharge of two model hulls, accelerates the speed of flow between model hull, to realize liquid pressure-flow velocity relation
Teaching demonstration, simple, intuitive, and rich in warning meaning, be conducive to student and understand the principle and improve awareness of safety, water tank and water
Water in slot, which can be realized, to be recycled, energy conservation and environmental protection.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the arrangement schematic diagram of model hull in the utility model.
Wherein, 1- water tanks, 2- sinks, 3- model hulls, 4- water pumps, 5- water pipes, 6- retaining springs, 7- spout holes, 8- are returned
Flow tube, 9- nozzles, 10- sunpenders, 11- clips, 12- guide sleeves, 13- guide posts, 14- banking stops, 15- resetting springs, 16- push plates, 17-
Holder, 18- case lids.
Specific implementation mode
To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below
In conjunction with specific implementation mode, the utility model is expanded on further.
As depicted in figs. 1 and 2, a kind of liquid pressure based on ship-flow velocity relation teaching demonstration device, including water tank 1,
Fill water in sink 2, model hull 3, water pump 4 and water pipe 5, the water tank 1 and sink 2, the model hull 3 there are two and
It is arranged side by side in water tank 1, the bottom end of model hull 3 is connect by retaining spring 6 with water tank 1, and the side of water tank 1 is equipped with overflow
Hole 7, spout hole 7 are connect by return duct 8 with sink 2, and water tank 1 is installed on the top of sink 2, the water pump 4 by holder 17
It is set in sink 2, water pump 4 is connect by water pipe 5 with nozzle 9, and the top of water tank 1 is equipped with case lid 18, is provided on case lid 18
Sunpender 10 simultaneously extends in water tank 1, and the bottom end of sunpender 10 is connect with nozzle 9, and the water spraying direction of nozzle 9 is located at two model hulls
On center line between 3.
In the present embodiment, the bottom end of the sunpender 10 is connected with clip 11, and the nozzle 9 is detachably connected on clip 11
It is interior.
In the present embodiment, the case lid 18 is equipped with guide sleeve 12, and guide post 13 is slidably connected in guide sleeve 12, guide post 13
Upper end is connected with banking stop 14, and resetting spring 15 is provided between banking stop 14 and guide sleeve 12, and the bottom end of guide post 13, which is connected with, to push away
Plate 16.
In the present embodiment, the cross-sectional shape of the push plate 16 is triangle.
In addition, the cross-sectional shape of the guide sleeve 12 is rectangle so that axial-rotation will not occur for guide post 13, so, it pushes away
Plate 16 will not rotate.
The course of work and principle：Water pump 4 is connected to power supply by switch, turns on the switch, and water pump 4, which starts and carries out water, to follow
Ring, water are sprayed through nozzle 9, and nozzle 9 is arranged in the front end of model hull 3 and positioned at the centerline of two model hulls 3, sprays
Water accelerate the speed of 3 flows of model hull so that the pressure of 3 inside of model hull is less than the pressure in outside, on the outside
Under the action of hydraulic pressure, two model hulls 3 can mutually be drawn close, and finally be collided, to realize the religion of liquid pressure-flow velocity relation
Learn demonstration.Model hull 3 is connected using retaining spring 6, on the one hand plays the role of positioning, make its swim on the water surface and
It is movable in some fixed area, another reverse side, since retaining spring 6 has certain elasticity so that hull can occur
After displacement, resetted after demonstration.In addition, in order to enrich the function of the instructional device, it is also provided with push plate 16, by manual
Constantly pressing guide post 13, push plate 16 are contacted with the water surface repeatedly, wave are formed, to realize the teaching demonstration of wave.
When the dilutional hyponatremia in water tank 1, can be discharged by the spout hole 7 of its side, and sink 2 is back to through return duct 8
It is interior, then be drawn in water tank 1 through water pump 4, realization recycles.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, all things considered are all merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are by the utility model packet
Contain.
Claims (5)
1. a kind of liquid pressure based on ship-flow velocity relation teaching demonstration device, which is characterized in that including water tank（1）, sink
（2）, model hull（3）, water pump（4）And water pipe（5）, the water tank（1）And sink（2）Inside fill water, the model hull
（3）There are two and be arranged side by side in water tank（1）It is interior, model hull（3）Bottom end pass through retaining spring（6）With water tank（1）Connection,
Water tank（1）Side be equipped with spout hole（7）, spout hole（7）Pass through return duct（8）With sink（2）Connection, water tank（1）Pass through branch
Frame（17）It is installed on sink（2）Top, the water pump（4）It is set to sink（2）It is interior, water pump（4）Pass through water pipe（5）With nozzle
（9）Connection, water tank（1）Top be equipped with case lid（18）, case lid（18）On be provided with sunpender（10）And extend to water tank（1）It is interior,
Sunpender（10）Bottom end and nozzle（9）Connection, nozzle（9）Water spraying direction be located at two model hulls（3）Between center line
On.
2. a kind of liquid pressure based on ship-flow velocity relation teaching demonstration device according to claim 1, feature exist
In：The sunpender（10）Bottom end be connected with clip（11）, the nozzle（9）It is detachably connected on clip（11）It is interior.
3. a kind of liquid pressure based on ship-flow velocity relation teaching demonstration device according to claim 2, feature exist
In：The case lid（18）It is equipped with guide sleeve（12）, guide sleeve（12）Inside slidably connect guide post（13）, guide post（13）Upper end connection
There is banking stop（14）, banking stop（14）With guide sleeve（12）Between be provided with resetting spring（15）, guide post（13）Bottom end be connected with
Push plate（16）.
4. a kind of liquid pressure based on ship-flow velocity relation teaching demonstration device according to claim 3, feature exist
In：The push plate（16）Cross-sectional shape be triangle.
5. a kind of liquid pressure based on ship-flow velocity relation teaching demonstration device according to claim 3, feature exist
In：The guide sleeve（12）Cross-sectional shape be rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043273.8U CN207966256U (en) | 2018-01-11 | 2018-01-11 | A kind of liquid pressure based on ship-flow velocity relation teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043273.8U CN207966256U (en) | 2018-01-11 | 2018-01-11 | A kind of liquid pressure based on ship-flow velocity relation teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207966256U true CN207966256U (en) | 2018-10-12 |
Family
ID=63732646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820043273.8U Expired - Fee Related CN207966256U (en) | 2018-01-11 | 2018-01-11 | A kind of liquid pressure based on ship-flow velocity relation teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207966256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243264A (en) * | 2018-11-09 | 2019-01-18 | 贵州民族大学 | A kind of physics teaching hydrodynamics apparatus for demonstrating |
-
2018
- 2018-01-11 CN CN201820043273.8U patent/CN207966256U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243264A (en) * | 2018-11-09 | 2019-01-18 | 贵州民族大学 | A kind of physics teaching hydrodynamics apparatus for demonstrating |
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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: 20181012 Termination date: 20190111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |