CN111028628A - Edutainment one-way valve principle teaching demonstration equipment - Google Patents
Edutainment one-way valve principle teaching demonstration equipment Download PDFInfo
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- CN111028628A CN111028628A CN201911264968.4A CN201911264968A CN111028628A CN 111028628 A CN111028628 A CN 111028628A CN 201911264968 A CN201911264968 A CN 201911264968A CN 111028628 A CN111028628 A CN 111028628A
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- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
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Abstract
Edutainment one-way valve principle teaching demonstration equipment comprises a demonstration valve F, a right hydraulic cylinder G-Y, a left hydraulic cylinder G-Z, a right handle L-Y and a left handle L-Z; the right hydraulic cylinder G-Y is provided with a right piston S-Y; the left hydraulic cylinder G-Z is provided with a left piston S-Z; the right handle L-Y is connected with a right piston S-Y of the right hydraulic cylinder G-Y; the left handle L-Z is connected with the left piston S-Z of the left hydraulic cylinder G-Z. The invention has low cost and can improve the teaching efficiency.
Description
Technical Field
The invention belongs to the field of hydrodynamics teaching, and particularly relates to one-way valve principle teaching demonstration equipment for edutainment.
Background
The development of fluid mechanics plays an important role in the development of modern industrialization, and almost all heavy mechanical equipment inevitably needs to use scientific theories related to fluid mechanics.
The check valve is an important component of a fluid mechanical device, and the application of the check valve in an automatic system is very wide and important, and it is necessary to explain the application as a key point.
However, the hydrodynamics application teaching is quite boring and uninteresting, has weak interactivity, is difficult to arouse the interest of students, and limits the improvement of the hydrodynamics teaching efficiency.
Disclosure of Invention
In order to overcome the problems, the invention designs the one-way valve principle teaching demonstration equipment which teaches through lively activities, and the teaching demonstration equipment has the following technical contents.
The main technical scheme is as follows: edutainment one-way valve principle teaching demonstration equipment comprises a demonstration valve F, a right hydraulic cylinder G-Y, a left hydraulic cylinder G-Z, a right handle L-Y and a left handle L-Z; the right hydraulic cylinder G-Y is provided with a right piston S-Y; the left hydraulic cylinder G-Z is provided with a left piston S-Z; the right handle L-Y is connected with a right piston S-Y of the right hydraulic cylinder G-Y; the left handle L-Z is connected with a left piston S-Z of the left hydraulic cylinder G-Z;
the demonstration valve F comprises a main cavity F-F, a left cavity F-Z, a right cavity F-Y, a left bell mouth F-Z1, a right bell mouth F-Y1, a right interface F-Y2, a left interface F-Z2 and a valve ball F-Q; the left side of the main cavity F-F is communicated with the big end of the left bell mouth F-Z1; the right side of the main cavity F-F is communicated with the big end of the right bell mouth F-Y1; the right interface F-Y2 is communicated with the small end of the right bell mouth F-Y1; the left interface F-Z2 is communicated with the small end of the left bell mouth F-Z1; the main cavity F-F, the left cavity F-Z, the right cavity F-Y, the left bell mouth F-Z1, the right bell mouth F-Y1, the right connector F-Y2 and the left connector F-Z2 of the demonstration valve F are made of transparent materials, and the internal details can be observed from the outside;
the inner diameter of the opening at the large end of the left bell mouth F-Z1 is equal to the inner diameter of the opening at the large end of the right bell mouth F-Y1;
the inner diameter of the opening at the small end of the left bell mouth F-Z1 is equal to the inner diameter of the opening at the small end of the right bell mouth F-Y1;
the cavity taper of the left bell mouth F-Z1 is equal to the cavity taper of the right bell mouth F-Y1;
the outer diameter of the ball F-Q is smaller than the inner diameter of the opening of the large end of the left bell mouth F-Z1;
the outer diameter of the ball valve F-Q is larger than the inner diameter of the opening of the small end of the left bell mouth F-Z1;
the diameter of the valve ball F-Q is smaller than that of the valve ball;
the valve ball F-Q has ferromagnetism and can be operated by an external magnet;
the demonstration valve F is also provided with a limiting structure F-T;
in the demonstration valve F: the limiting structure F-T is positioned on the space path of the left cavity F-Z and the right cavity F-Y, the limiting structure F-T and the cavity wall of the main cavity F-F form two limiting spaces, the two limiting spaces are positioned on the left side and the right side of the limiting structure F-T, the limiting spaces are used for limiting the movement of the valve ball F-Q, and the valve ball F-Q cannot cross the limiting structure F-T under the condition of no manual operation; the valve ball F-Q can be over the limiting structure F-T only by manually attracting and pulling the valve ball F-Q by using a magnet;
in the demonstration valve F: when the valve ball F-Q is positioned between the limiting structure F-T and the right bell mouth F-Y1, fluid can flow from the right port F-Y2 to the left port F-Z2;
in the demonstration valve F: when the valve ball F-Q is positioned between the limiting structure F-T and the left bell mouth F-Z1, fluid can flow from the left port F-Z2 to the right port F-Y2;
the right hydraulic cylinder G-Y is communicated with a right interface F-Y2 of the demonstration valve F; the left hydraulic cylinder G-Z is communicated with a left port F-Z2 of the demonstration valve F.
Preferably, the constituent material of the valve ball F-Q is iron.
Preferably, the constituent material of the valve ball F-Q has cobalt.
Preferably, the method is characterized in that: the constituent material of the valve balls F-Q has nickel.
Preferably, the right and left hydraulic cylinders G-Y and G-Z are transparent, the right piston S-Y of the right hydraulic cylinder G-Y is red, the left piston S-Z of the left hydraulic cylinder G-Z is also red, and the check ball F-Q of the demonstration valve F is red.
Preferably, the limiting structure F-T is provided with a cavity, and an operator can utilize a magnet to operate the valve ball F-Q to stay in the cavity of the limiting structure F-T, so that the demonstration valve F loses the function of a one-way valve.
Preferably, the valve ball F-Q of the demonstration valve F is of a hollow structure.
Preferably, the valve ball F-Q of the demonstration valve F is a multilayer ball, the outer layer is a rubber layer F-Q-XJC, and the inner part is an iron core F-Q-TX.
Preferably, the valve ball F-Q of the demonstration valve F is a multilayer ball, the outer layer is a rubber layer F-Q-XJC, the inner part is an iron core F-Q-TX, and the iron core F-Q-TX is provided with a cavity T-Q-KX.
The technical principle is as follows: the use method of the invention is as follows:
preparing: organizing at least one training teacher and at least 3 students for tug-of-war exercise at one time of teaching;
step 1, a training teacher selects a student called a left player, and the left player holds a left handle L-Z;
step 2, a training teacher selects a student as a right player, and the right player holds a right handle L-Y;
step 3, arranging a student as an operator by a training teacher, and operating a demonstration valve F;
step 4, instructing an operator by a training teacher to drive a valve ball of the demonstration valve F through magnetic traction of a magnet, and adjusting the valve ball between a limiting structure F-T and a right bell mouth F-Y1; and the left player and the right player are required to pull the respective handles forcefully to carry out the first tug-of-war exercise; and recording the win and lose results of the first tug-of-war exercise.
Step 5, instructing an operator by a training teacher to drive a valve ball of the demonstration valve F through magnetic traction of a magnet, and adjusting the valve ball between a limiting structure F-T and a left bell mouth F-Z1; and the left player and the right player are required to pull the respective handles forcefully to carry out the second tug-of-war exercise; and recording the win and lose results of the second tug-of-war exercise.
Step 6, arranging classroom operation, enabling students to study and demonstrate the influence of the position of a valve ball of the valve F on the tug-of-war result, and analyzing the reason;
and 7, training a teacher to demonstrate the influence and reason of the position of the valve ball of the valve F on the tug-of-war result.
The invention mainly switches the one-way conduction direction of the fluid of the demonstration valve F by controlling the position of a valve ball F-Q of the demonstration valve F; the interaction rate is increased by the changes of the two parts under different states of the guide square of the demonstration valve; the teaching effect is enhanced through the in-person experience of the students.
Has the advantages that: the interest and thinking of the trained students or the students in school can be aroused, the impression on hydrodynamics is enhanced, and the concentration degree is increased; teaching is carried out in a motion mode, so that the deadplate atmosphere of unidirectional teaching is avoided, and the atmosphere can be activated; when the device is used for hydrodynamics teaching, the participation degree of students is high, the concentration degree of the students can be increased, the attention of the students is prevented from being dispersed by irrelevant matters, and the teaching efficiency is improved. The invention has low cost and can improve the teaching efficiency.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a block diagram of the demonstration valve of fig. 1.
Fig. 3 is a block diagram of a valve ball of the demonstration valve of fig. 1.
Fig. 4 is a block diagram of the valve ball of the demonstration valve of embodiment 2.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Example 1
As shown in fig. 1-3, the teaching demonstration device for teaching through lively activities based on the principle of the one-way valve comprises a demonstration valve F, a right hydraulic cylinder G-Y, a left hydraulic cylinder G-Z, a right handle L-Y and a left handle L-Z; the right hydraulic cylinder G-Y is provided with a right piston S-Y; the left hydraulic cylinder G-Z is provided with a left piston S-Z; the right handle L-Y is connected with a right piston S-Y of the right hydraulic cylinder G-Y; left handle L-Z and
the left pistons S-Z of the left hydraulic cylinders G-Z are connected;
the demonstration valve F comprises a main cavity F-F, a left cavity F-Z, a right cavity F-Y, a left bell mouth F-Z1, a right bell mouth F-Y1, a right interface F-Y2, a left interface F-Z2 and a valve ball F-Q; the left side of the main cavity F-F is communicated with the big end of the left bell mouth F-Z1; the right side of the main cavity F-F is communicated with the big end of the right bell mouth F-Y1; the right interface F-Y2 is communicated with the small end of the right bell mouth F-Y1; the left interface F-Z2 is communicated with the small end of the left bell mouth F-Z1; the main cavity F-F, the left cavity F-Z, the right cavity F-Y, the left bell mouth F-Z1, the right bell mouth F-Y1, the right connector F-Y2 and the left connector F-Z2 of the demonstration valve F are made of transparent materials, and the internal details can be observed from the outside;
the inner diameter of the opening at the large end of the left bell mouth F-Z1 is equal to the inner diameter of the opening at the large end of the right bell mouth F-Y1;
the inner diameter of the opening at the small end of the left bell mouth F-Z1 is equal to the inner diameter of the opening at the small end of the right bell mouth F-Y1;
the cavity taper of the left bell mouth F-Z1 is equal to the cavity taper of the right bell mouth F-Y1;
the outer diameter of the ball F-Q is smaller than the inner diameter of the opening of the large end of the left bell mouth F-Z1;
the outer diameter of the ball valve F-Q is larger than the inner diameter of the opening of the small end of the left bell mouth F-Z1;
the diameter of the valve ball F-Q is smaller than that of the valve ball;
the valve ball F-Q has ferromagnetism and can be operated by an external magnet;
the demonstration valve F is also provided with a limiting structure F-T;
in the demonstration valve F: the limiting structure F-T is positioned on the space path of the left cavity F-Z and the right cavity F-Y, the limiting structure F-T and the cavity wall of the main cavity F-F form two limiting spaces, the two limiting spaces are positioned on the left side and the right side of the limiting structure F-T, the limiting spaces are used for limiting the movement of the valve ball F-Q, and the valve ball F-Q cannot cross the limiting structure F-T under the condition of no manual operation; the valve ball F-Q can be over the limiting structure F-T only by manually attracting and pulling the valve ball F-Q by using a magnet;
in the demonstration valve F: when the valve ball F-Q is positioned between the limiting structure F-T and the right bell mouth F-Y1, fluid can flow from the right port F-Y2 to the left port F-Z2;
in the demonstration valve F: when the valve ball F-Q is positioned between the limiting structure F-T and the left bell mouth F-Z1, fluid can flow from the left port F-Z2 to the right port F-Y2;
the right hydraulic cylinder G-Y is communicated with a right interface F-Y2 of the demonstration valve F; the left hydraulic cylinder G-Z is communicated with a left port F-Z2 of the demonstration valve F.
The constituent material of the valve balls F-Q has iron.
The right hydraulic cylinder G-Y and the left hydraulic cylinder G-Z are transparent, the right piston S-Y of the right hydraulic cylinder G-Y is red, the left piston S-Z of the left hydraulic cylinder G-Z is also red, and the valve ball F-Q of the demonstration valve F is red.
The limiting structure F-T is provided with a cavity, and an operator can utilize the magnet to operate the valve ball F-Q to stay in the cavity of the limiting structure F-T, so that the demonstration valve F loses the one-way conduction function.
The valve ball F-Q of the demonstration valve F is a multilayer ball, the outer layer is a rubber layer F-Q-XJC, and the inner part is an iron core F-Q-TX.
The use method for teaching is as follows:
preparing: organizing at least one training teacher and at least 3 students for tug-of-war exercise at one time of teaching;
step 1, a training teacher selects a student called a left player, and the left player holds a left handle L-Z;
step 2, a training teacher selects a student as a right player, and the right player holds a right handle L-Y;
step 3, arranging a student as an operator by a training teacher, and operating a demonstration valve F;
step 4, instructing an operator by a training teacher to drive a valve ball of the demonstration valve F through magnetic traction of a magnet, and adjusting the valve ball between a limiting structure F-T and a right bell mouth F-Y1; and the left player and the right player are required to pull the respective handles forcefully to carry out the first tug-of-war exercise; and recording the win and lose results of the first tug-of-war exercise.
Step 5, instructing an operator by a training teacher to drive a valve ball of the demonstration valve F through magnetic traction of a magnet, and adjusting the valve ball between a limiting structure F-T and a left bell mouth F-Z1; and the left player and the right player are required to pull the respective handles forcefully to carry out the second tug-of-war exercise; and recording the win and lose results of the second tug-of-war exercise.
Step 6, arranging classroom operation, enabling students to study and demonstrate the influence of the position of a valve ball of the valve F on the tug-of-war result, and analyzing the reason;
and 7, training a teacher to demonstrate the influence and reason of the position of the valve ball of the valve F on the tug-of-war result.
Example 2
As shown in figure 4, the valve ball F-Q of the demonstration valve F is a multilayer ball, the outer layer is a rubber layer F-Q-XJC, the inner part is an iron core F-Q-TX, and the iron core F-Q-TX is provided with a cavity T-Q-KX; the opening pressure of the one-way conduction function of the demonstration valve F is reduced.
Example 3
The edutainment one-way valve principle teaching demonstration device is applied to commercial training institutions for teaching and training.
Claims (9)
1. Teaching demonstration equipment for principles of check valves teaching through lively activities is characterized in that: comprises a demonstration valve (F), a right hydraulic cylinder (G-Y), a left hydraulic cylinder (G-Z), a right handle (L-Y) and a left handle (L-Z); the right hydraulic cylinder (G-Y) is provided with a right piston (S-Y); the left hydraulic cylinder (G-Z) is provided with a left piston (S-Z); the right handle (L-Y) is connected with the right piston (S-Y) of the right hydraulic cylinder (G-Y); the left handle (L-Z) is connected with the left piston (S-Z) of the left hydraulic cylinder (G-Z);
the demonstration valve (F) comprises a main cavity (F-F), a left cavity (F-Z), a right cavity (F-Y), a left bell mouth (F-Z1), a right bell mouth (F-Y1), a right interface (F-Y2), a left interface (F-Z2) and a valve ball (F-Q); the left side of the main cavity (F-F) is communicated with the big end of the left bell mouth (F-Z1); the right side of the main cavity (F-F) is communicated with the big end of the right bell mouth (F-Y1); the right interface (F-Y2) is communicated with the small end of the right bell mouth (F-Y1); the left interface (F-Z2) is communicated with the small end of the left bell mouth (F-Z1); the main cavity (F-F), the left cavity (F-Z), the right cavity (F-Y), the left bell mouth (F-Z1), the right bell mouth (F-Y1), the right interface (F-Y2) and the left interface (F-Z2) of the demonstration valve (F) are made of transparent materials, and the internal details can be observed from the outside;
the inner diameter of the opening of the large end of the left bell mouth (F-Z1) is equal to the inner diameter of the opening of the large end of the right bell mouth (F-Y1);
the inner diameter of the opening of the small end of the left bell mouth (F-Z1) is equal to the inner diameter of the opening of the small end of the right bell mouth (F-Y1);
the cavity taper of the left bell mouth (F-Z1) is equal to that of the right bell mouth (F-Y1);
the outer diameter of the valve ball (F-Q) is smaller than the inner diameter of the opening of the large end of the left bell mouth (F-Z1);
the outer diameter of the valve ball (F-Q) is larger than the inner diameter of the opening of the small end of the left bell mouth (F-Z1);
the valve ball (F-Q) has ferromagnetism and can be operated by an external magnet;
the demonstration valve (F) is also provided with a limiting structure (F-T);
inside the demonstration valve (F): the limiting structure (F-T) is positioned on the space path of the left cavity (F-Z) and the right cavity (F-Y), the limiting structure (F-T) and the cavity wall of the main cavity (F-F) form two limiting spaces, the two limiting spaces are positioned on the left side and the right side of the limiting structure (F-T), the limiting spaces are used for limiting the movement of the valve ball (F-Q), and the valve ball (F-Q) cannot cross the limiting structure (F-T) under the condition of no manual operation; the valve ball (F-Q) can be turned over the limit structure (F-T) only by manually attracting and pulling the valve ball (F-Q) by using a magnet;
inside the demonstration valve (F): when the valve ball (F-Q) is positioned between the limiting structure (F-T) and the right bell mouth (F-Y1), fluid can flow from the right port (F-Y2) to the left port (F-Z2);
inside the demonstration valve (F): when the valve ball (F-Q) is positioned between the limiting structure (F-T) and the left bell mouth (F-Z1), fluid can flow from the left port (F-Z2) to the right port (F-Y2);
the right hydraulic cylinder (G-Y) is communicated with a right interface (F-Y2) of the demonstration valve (F); the left hydraulic cylinder (G-Z) is communicated with a left port (F-Z2) of the demonstration valve (F).
2. An edutainment one-way valve principle teaching demonstration apparatus as claimed in claim 1, wherein: the constituent material of the valve ball (F-Q) has iron.
3. An edutainment one-way valve principle teaching demonstration apparatus as claimed in claim 1, wherein: the constituent material of the valve ball (F-Q) has cobalt.
4. An edutainment one-way valve principle teaching demonstration apparatus as claimed in claim 1, wherein: the constituent material of the valve ball (F-Q) has nickel.
5. An edutainment one-way valve principle teaching demonstration apparatus as claimed in claim 1, wherein: the right hydraulic cylinder (G-Y) and the left hydraulic cylinder (G-Z) are transparent, the right piston (S-Y) of the right hydraulic cylinder (G-Y) is red, the left piston (S-Z) of the left hydraulic cylinder (G-Z) is also red, and the valve ball (F-Q) of the demonstration valve (F) is red.
6. An edutainment one-way valve principle teaching demonstration apparatus as claimed in claim 1, wherein: the limiting structure (F-T) is provided with a cavity, and an operator can utilize the magnet to operate the valve ball (F-Q) to stay in the cavity of the limiting structure (F-T), so that the demonstration valve (F) loses the function of the one-way valve.
7. An edutainment one-way valve principle teaching demonstration apparatus as claimed in claim 1, wherein: the valve ball (F-Q) of the demonstration valve (F) is of a hollow structure.
8. An edutainment one-way valve principle teaching demonstration apparatus as claimed in claim 1, wherein: the valve ball (F-Q) of the demonstration valve (F) is a multilayer ball, the outer layer is a rubber layer (F-Q-XJC), and the inner part is an iron core (F-Q-TX).
9. An edutainment one-way valve principle teaching demonstration apparatus as claimed in claim 1, wherein: the valve ball (F-Q) of the demonstration valve (F) is a multilayer ball, the outer layer is a rubber layer (F-Q-XJC), the inner part is an iron core (F-Q-TX), and the iron core (F-Q-TX) is provided with a cavity (T-Q-KX).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911264968.4A CN111028628A (en) | 2019-12-11 | 2019-12-11 | Edutainment one-way valve principle teaching demonstration equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911264968.4A CN111028628A (en) | 2019-12-11 | 2019-12-11 | Edutainment one-way valve principle teaching demonstration equipment |
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| CN111028628A true CN111028628A (en) | 2020-04-17 |
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Application publication date: 20200417 |
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