CN108172105A - A kind of diaphragm pump operation principle demonstration teaching aid - Google Patents
A kind of diaphragm pump operation principle demonstration teaching aid Download PDFInfo
- Publication number
- CN108172105A CN108172105A CN201810158715.8A CN201810158715A CN108172105A CN 108172105 A CN108172105 A CN 108172105A CN 201810158715 A CN201810158715 A CN 201810158715A CN 108172105 A CN108172105 A CN 108172105A
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- diaphragm
- demonstration
- valve block
- teaching aid
- cavity
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- 239000007788 liquid Substances 0.000 claims abstract description 28
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims description 11
- 230000009471 action Effects 0.000 abstract description 9
- 238000012800 visualization Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 239000012780 transparent material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
A kind of diaphragm pump operation principle demonstration teaching aid including pedestal and the LED screen being perpendicularly fixedly arranged on pedestal and transparent demonstration plate, is wherein equipped with the dynamic demonstration portion, valve block demonstration portion and diaphragm demonstration portion of half-sectional shape on transparent demonstration plate；Dynamic demonstration portion includes inlet tube, outlet tube, valve block chamber and diaphragm cavity, and middle valve plate chamber is connected with inlet tube, outlet tube and diaphragm cavity；Diaphragm is movably installed in diaphragm cavity, which is equipped with power unit；LED screen projects demonstration light source to inlet tube, outlet tube, valve block chamber, valve block demonstration portion, diaphragm demonstration portion and the diaphragm cavity on diaphragm top, the teaching aid can realize the visualization to diaphragm pump internal operation, liquid flow direction in diaphragm pump, valve block action, diaphragm action and the dynamic demonstration of power unit action can be achieved, the teaching aid structure is simple and convenient to operate, is of low cost, is particularly suitable for institution of higher learning's hydraulic pressure and the pneumatic teaching demonstration for waiting courses.
Description
Technical field
The invention belongs to mechanical device fields, are related to a kind of hydraulic and pneumatic teaching aid, especially a kind of diaphragm pump work
Make principle demonstration teaching aid.
Background technology
In terms of current teaching, total marks of the examination are pursued in China's education simply, and have ignored manipulative ability and the study of student
The culture of interest lacks the teaching appliance of actual presentation in teaching process, and it is mostly dull language description to make teaching, especially right
In the professional stronger branches of learning and subjects, such as the teaching of hydraulic pressure and Pneumatic Professional, in the application of the prior art, hydraulic pressure and gas
Dynamic technology is essential, and wherein have it is complicated also have it is simple, and on classroom these mechanisms, gas circuit and fluid path opening and closing,
The conduction of pressure and the operation of mechanical structure are difficult that the more complete image in kind of a ratio is formed in the brain of student, especially
Lack the demonstration teaching aid of the technicality from practical material object,
It is retrieved by publication, does not find the document for being related to diaphragm pump operation principle demonstration teaching aid, the present patent application
It in teaching aid structure, uses and uses and have relatively big difference in function, it is possible thereby to verify the creativeness and novelty of the present invention.
Invention content
The purpose of the present invention is to provide a kind of diaphragm pump operation principle demonstration teaching aid, which can realize in diaphragm pump
The visualization of portion's operation is, it can be achieved that the dynamic that liquid flow direction, valve block action, diaphragm action and power unit act in diaphragm pump
Demonstration according to the action situation of valve block and diaphragm, it can be achieved that adjust LED screen locally opening and closing and turn colors, and then strengthen in real time
Demonstrating effect, the teaching aid structure are simple and convenient to operate, are of low cost, being suitable for large range promotion use, and are particularly suitable for high institute
The teaching of the courses such as school hydraulic pressure and pneumatic, Hydraulic and pneumatic transmission.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of diaphragm pump operation principle demonstration teaching aid, including pedestal and the LED screen being perpendicularly fixedly arranged on pedestal and thoroughly
Dynamic demonstration portion, valve block demonstration portion and diaphragm demonstration portion are installed on bright demonstration board, wherein transparent demonstration plate；It wraps in dynamic demonstration portion
Inlet tube, outlet tube, valve block chamber and diaphragm cavity are included, middle valve plate chamber is connected with inlet tube, outlet tube and diaphragm cavity；In diaphragm cavity
Diaphragm is movably installed with, which is equipped with power unit；LED screen is drilled to inlet tube, outlet tube, valve block chamber, valve block
Show the diaphragm cavity projection demonstration light source in portion, diaphragm demonstration portion and diaphragm top.
Currently preferred technical solution is：The valve block intracavitary of feed liquor bottom of the tube is formed with feed liquor valve seat, the feed liquor valve seat pair
To valve block cavity wall on be formed with feed liquor limited block；The valve block intracavitary of outlet tube bottom is formed with out liquid limited block, this goes out liquid limit position
Liquid valve seat is formed on the valve block cavity wall of block opposite direction.
Currently preferred technical solution is：Power unit includes motor, eccentric wheel, bearing and connecting rod, and wherein motor is consolidated
On pedestal, the output shaft of the motor penetrates diaphragm cavity and is rotatably connected with transparent panel for Dingan County；It is fixedly mounted on output shaft
Eccentric wheel, and banking stop is rotatably installed on output shaft；Bearing set outside eccentric wheel, Bearing outer suit connecting rod, and even
It is fixedly connected at the top of bar with separator bottom.
Currently preferred technical solution is：Valve block demonstration portion includes half-sectional shape and transparent valve block, is formed on the valve block
Multiple arcs inlet opening and arc fluid hole.
Currently preferred technical solution is：Diaphragm demonstration portion includes half-sectional shape and transparent demonstration diaphragm.
Currently preferred technical solution is：Diaphragm cavity bottom is equipped with microswitch；It is installed in transparent panel
PLC controller, the PLC controller are electrically connected with microswitch, motor and LED screen.
Advantages of the present invention and economic effect are：
1st, the present invention is by setting dynamic demonstration portion made of transparent material, valve block demonstration portion, diaphragm demonstration portion and transparent
Demonstration board, can make student intuitively see LED screen demonstration diaphragm pump work when its internal liquid flow direction and break-make situation, also
Eccentric wheel, bearing and connecting rod can be can be visually seen and drive the elevating movement situation of diaphragm and the valve block action feelings of LED screen demonstration
Condition makes student deepen to understand the intuitive of hydraulic and pneumatic and eccentric wheel drive mechanism.
2nd, the present invention is realized in a manner that PLC controller is electrically connected with microswitch, motor and LED screen in LED screen
Coordination demonstrating motor drives diaphragm to carry out lifting action while curtain carries out local opening and closing and color adjustment, so as to ensure that this hair
The synchronous coordination and teaching efficiency of bright demonstration.
3rd, the present invention effectively carries in a manner that the output shaft of motor penetrates diaphragm cavity and is rotatably connected with transparent demonstration version
The high bearing capacity of output shaft, while the rotation installation banking stop on output shaft, ensure that demonstrating precision, prevent connecting rod and bearing
Offset and caused by demonstration teaching aid damage, improve the service life of demonstration teaching aid.
4th, the present invention demonstrates the logical of valve block demonstration portion and diaphragm demonstration portion by the color change synchronous coordination of LED screen
Disconnected and lifting action situation makes student's pressure of its internal liquid and while flow to when observing diaphragm pump work, to diaphragm
Movable position is observed in pump, so as to which student be made how to understand the position of the movement by hydraulic pressure and pneumatic principle and machine
Tool transmission principle realizes diaphragm pumping function, further enhances the effect of teaching demonstration.
Description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is present invention demonstration one schematic diagram of operating mode；
Fig. 3 is present invention demonstration two schematic diagram of operating mode；
Fig. 4 is the side view of the present invention；
Fig. 5 is the partial enlarged view at A in Fig. 4.
In figure：1-PLC controllers；2- inlet tubes；3- outlet tubes；4- valve block chambers；5- transparent demonstration versions；6- valve blocks；7- is drilled
Show diaphragm；8- pedestals；9- diaphragms；10- connecting rods；11- diaphragm cavities；12- feed liquor valve seats；13- feed liquor limited blocks；14- goes out liquid limit position
Block；15- liquid valve seats；16- arc inlet openings；17- arc fluid holes；18- eccentric wheels；19- output shafts；20- bearings；21- is micro-
Dynamic switch；22-LED screens；23- motors；24- banking stops；25- valve block images；26- transparent demonstrations area.
Specific embodiment
For that can further appreciate that present disclosure, feature and effect, the following examples are hereby given, and coordinates attached drawing detailed
It is described as follows.It should be noted that the present embodiment is descriptive, it is not limited, it is impossible to thus limit the guarantor of the present invention
Protect range.
A kind of diaphragm pump operation principle demonstration teaching aid, including 22 He of pedestal 8 and the LED screen being perpendicularly fixedly arranged on pedestal
Dynamic demonstration portion, valve block demonstration portion and diaphragm demonstration portion are installed on transparent demonstration plate 5, wherein transparent demonstration plate；Dynamic demonstration
Portion includes inlet tube 2, outlet tube 3, valve block chamber 4 and diaphragm cavity 11, and middle valve plate chamber connects with inlet tube, outlet tube and diaphragm cavity
It is logical；Diaphragm 9 is movably installed in diaphragm cavity, which is equipped with power unit；LED screen is to inlet tube, outlet tube, valve
Piece chamber, valve block demonstration portion, diaphragm demonstration portion and the diaphragm cavity on diaphragm top projection demonstration light source.
Currently preferred technical solution is：The valve block intracavitary of feed liquor bottom of the tube is formed with feed liquor valve seat 12, the feed liquor valve seat
Feed liquor limited block 13 is formed on opposite valve block cavity wall；The valve block intracavitary of outlet tube bottom is formed with out liquid limited block 14, this goes out
Liquid valve seat 15 is formed on the valve block cavity wall of liquid limited block opposite direction.
Currently preferred technical solution is：Power unit includes motor 23, eccentric wheel 18, bearing 20 and connecting rod 10,
Middle motor is fixedly mounted on pedestal, and the output shaft 19 of the motor penetrates diaphragm cavity and is rotatably connected with transparent panel；Output shaft
Upper fixed installation eccentric wheel, and banking stop 24 is rotatably installed on output shaft；Bearing set outside eccentric wheel, the Bearing outer set
Load bar, and be fixedly connected at the top of connecting rod with separator bottom.
Currently preferred technical solution is：Valve block demonstration portion includes half-sectional shape and transparent valve block 6, is formed on the valve block
Multiple arcs inlet opening 16 and arc fluid hole 17.
Currently preferred technical solution is：Diaphragm demonstration portion includes half-sectional shape and transparent demonstration diaphragm 7.
Currently preferred technical solution is：Diaphragm cavity bottom is equipped with microswitch 21；It is fixedly mounted in transparent panel
There is PLC controller 1, which is electrically connected with microswitch, motor and LED screen.
In addition, currently preferred, valve block demonstration portion and diaphragm demonstration portion are that transparent material is made, in addition inlet tube,
The shell of outlet tube, valve block chamber and diaphragm cavity is made of transparent material.
In addition, currently preferred, the valve block chamber in dynamic demonstration portion is equipped with transparent demonstration area 26, and LED screen is to valve block
The transparent demonstration area projection source demonstration of chamber has valve block image 25.
In addition, currently preferred, banking stop is inlaid on output shaft and carries out axial limiting to bearing and connecting rod, and even
Bar and bearing are rotatably assorted with transparent demonstration version to be connect, and so as to improve the stability of power unit of the present invention, is prevented because of bias
Wheel rotation causes to generate excessive vibrations during demonstration teaching aid use.
In order to more clearly describe the specifically used mode of the present invention, a kind of embodiment is provided below：
The diaphragm pump demonstration teaching aid of the present invention feed liquor operating mode demonstrating effect as shown in Fig. 2, LED screen in presentation process
Undulatory blue dynamic light source is projected into inlet tube and diaphragm cavity, to demonstrate the liquid flow in inlet tube and diaphragm cavity
To, and pass through LED screen and adjust it and project the brightness of diaphragm cavity inner light source, change to demonstrate fluid pressure in diaphragm cavity；
In addition LED screen projects red light source into valve block chamber, to demonstrate the working condition of valve block at this time, it should be noted that this
When valve block image opened at inlet tube, inlet tube is made to be connected with diaphragm cavity, and valve block image goes out to close in outlet tube, and then cuts
The connected relation of disconnected outlet tube and diaphragm cavity；Motor control eccentric is rotated to lowest order at this time, and connecting rod top drives diaphragm row
Lowest order is proceeded to, while connecting rod bottom triggering microswitch, microswitch export the position signal of connecting rod to PLC controller, into
And it is demonstrated from PLC controller to both LED screen and motor output control signal, control synchronous coordination；That demonstrates at this time is specific
Content is：Motor drives diaphragm downlink, and fluid pressure reduces in diaphragm cavity, and feed liquor liquid in pipe opens liquid feed valve by pressure differential
Valve block at seat, and liquid-tight envelope is realized out in the upper surface that the valve block at liquid valve seat is fitted tightly over liquid valve seat.
(as shown in Figure 2) LED screen is to valve block demonstration portion and diaphragm demonstration portion projection light in feed liquor operating mode presentation process
Source, specific mode of delivery are：Green light source is projected to arc feed liquor hole site and leads to liquid at this time to demonstrate arc inlet opening, to arc
Shape fluid hole position projection red light source is closed at this time to demonstrate arc fluid hole；It is projected to the demonstration diaphragm in diaphragm demonstration portion
Green light source is demonstrating diaphragm downlink, diaphragm cavity imbibition.
The diaphragm pump demonstration teaching aid of the present invention is going out the demonstrating effect of liquid operating mode as shown in figure 3, demonstrating LED screen in layer
Undulatory blue dynamic light source is projected into outlet tube and diaphragm cavity, to demonstrate the liquid flow in outlet tube and diaphragm cavity
To；Valve block image is closed at inlet tube simultaneously, cuts off the connected relation of inlet tube and diaphragm cavity, and is sent out piece and beaten at outlet tube
It opens, outlet tube is made to be connected with diaphragm cavity；Motor control eccentric is rotated to highest order at this time, and connecting rod top drives diaphragm to march to
Highest order, while connecting rod bottom is detached from microswitch, and then controls motor and LED screen according to connecting rod position by PLC controller
Synchronous coordination is demonstrated；The particular content demonstrated at this time is：Motor drives diaphragm uplink, the fluid pressure increase in diaphragm cavity, into
Feed liquor sealing is realized in the lower face that valve block at liquid valve seat is fitted tightly over feed liquor valve seat, and the valve block opening at liquid valve seat makes
Outlet tube is connected with diaphragm cavity, to demonstrate the drain operating mode of diaphragm pump.
(as shown in Figure 3) LED screen is to valve block demonstration portion and diaphragm demonstration portion projection light in liquid operating mode presentation process is gone out
Source, specific mode of delivery are：Lead to liquid at this time to arc disengaging hole site projection green light source to demonstrate arc fluid hole, to arc
Shape feed liquor hole site projection red light source is closed at this time to demonstrate arc inlet opening；It is projected to the demonstration diaphragm in diaphragm demonstration portion
Red light source is demonstrating diaphragm uplink, diaphragm cavity drain.
Above-mentioned feed liquor operating mode continuously can be replaced demonstration by the present invention with going out the progress of liquid operating mode, make student more intuitively
The operation principle of diaphragm pump is solved, the theory of mechanics being driven to hydraulic and pneumatic and eccentric wheel has the understanding more deepened.
It should be understood that for those of ordinary skills, can be improved or converted according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (6)
1. a kind of diaphragm pump operation principle demonstration teaching aid, it is characterised in that：Including pedestal and the LED being perpendicularly fixedly arranged on pedestal
Dynamic demonstration portion, valve block demonstration portion and diaphragm demonstration portion are installed on screen and transparent demonstration plate, wherein transparent demonstration plate；It is described
Dynamic demonstration portion includes inlet tube, outlet tube, valve block chamber and diaphragm cavity, middle valve plate chamber and inlet tube, outlet tube and diaphragm cavity
Connection；Diaphragm is movably installed in the diaphragm cavity, which is equipped with power unit；The LED screen to inlet tube,
Outlet tube, valve block chamber, valve block demonstration portion, diaphragm demonstration portion and diaphragm cavity projection demonstration light source.
2. a kind of diaphragm pump operation principle demonstration teaching aid according to claim 1, it is characterised in that：The feed liquor bottom of the tube
Valve block intracavitary be formed with feed liquor valve seat, be formed with feed liquor limited block on the valve block cavity wall of the feed liquor valve seat opposite direction；The outlet tube
The valve block intracavitary of bottom is formed with out liquid limited block, this, which goes out on the valve block cavity wall of liquid limited block opposite direction, is formed with liquid valve seat.
3. a kind of diaphragm pump operation principle demonstration teaching aid according to claim 1, it is characterised in that：The power unit packet
Motor, eccentric wheel, bearing and connecting rod are included, wherein motor is fixedly mounted on pedestal, and the output shaft of the motor penetrates diaphragm cavity simultaneously
It is rotatably connected with transparent panel；Eccentric wheel is fixedly mounted on the output shaft, and banking stop is rotatably installed on output shaft；It is described
Bearing set outside eccentric wheel, Bearing outer suit connecting rod, and be fixedly connected at the top of connecting rod with separator bottom.
4. a kind of diaphragm pump operation principle demonstration teaching aid according to claim 1, it is characterised in that：The valve block demonstration portion
Including half-sectional shape and transparent valve block, multiple arcs inlet opening and arc fluid hole are formed on the valve block.
5. a kind of diaphragm pump operation principle demonstration teaching aid according to claim 1, it is characterised in that：The diaphragm demonstration portion
Including half-sectional shape and transparent demonstration diaphragm.
6. a kind of diaphragm pump operation principle demonstration teaching aid according to claim 1, it is characterised in that：The diaphragm cavity bottom
Microswitch is installed；Be installed with PLC controller in the transparent panel, the PLC controller and microswitch, motor and
LED screen is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810158715.8A CN108172105A (en) | 2018-02-26 | 2018-02-26 | A kind of diaphragm pump operation principle demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810158715.8A CN108172105A (en) | 2018-02-26 | 2018-02-26 | A kind of diaphragm pump operation principle demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108172105A true CN108172105A (en) | 2018-06-15 |
Family
ID=62510602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810158715.8A Pending CN108172105A (en) | 2018-02-26 | 2018-02-26 | A kind of diaphragm pump operation principle demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108172105A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092953A (en) * | 2007-07-12 | 2007-12-26 | 储岳海 | Flux adjustable high precision diaphragm metering pump without pulsation |
| CN201144791Y (en) * | 2007-12-27 | 2008-11-05 | 李建松 | Bearing connection structure of diaphragm pump |
| CN104791228A (en) * | 2015-03-10 | 2015-07-22 | 李新华 | Diaphragm pump |
| CN105156309A (en) * | 2015-08-21 | 2015-12-16 | 吉效科 | Novel diaphragm pump |
| CN205446602U (en) * | 2016-04-08 | 2016-08-10 | 温岭市职业中等专业学校 | Torque converter teaching aid |
| CN206741817U (en) * | 2017-03-29 | 2017-12-12 | 武汉软件工程职业学院 | One kind visualization blow cylinder teaching aid |
| CN206849369U (en) * | 2017-03-29 | 2018-01-05 | 武汉软件工程职业学院 | One kind visualization pneumohydraulic pressure-cylinder teaching aid |
| CN209045012U (en) * | 2018-02-26 | 2019-06-28 | 何茹清 | A kind of diaphragm pump working principle demonstration teaching aid |
-
2018
- 2018-02-26 CN CN201810158715.8A patent/CN108172105A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092953A (en) * | 2007-07-12 | 2007-12-26 | 储岳海 | Flux adjustable high precision diaphragm metering pump without pulsation |
| CN201144791Y (en) * | 2007-12-27 | 2008-11-05 | 李建松 | Bearing connection structure of diaphragm pump |
| CN104791228A (en) * | 2015-03-10 | 2015-07-22 | 李新华 | Diaphragm pump |
| CN105156309A (en) * | 2015-08-21 | 2015-12-16 | 吉效科 | Novel diaphragm pump |
| CN205446602U (en) * | 2016-04-08 | 2016-08-10 | 温岭市职业中等专业学校 | Torque converter teaching aid |
| CN206741817U (en) * | 2017-03-29 | 2017-12-12 | 武汉软件工程职业学院 | One kind visualization blow cylinder teaching aid |
| CN206849369U (en) * | 2017-03-29 | 2018-01-05 | 武汉软件工程职业学院 | One kind visualization pneumohydraulic pressure-cylinder teaching aid |
| CN209045012U (en) * | 2018-02-26 | 2019-06-28 | 何茹清 | A kind of diaphragm pump working principle demonstration teaching aid |
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