CN213183299U - Seriousness teaching aid - Google Patents
Seriousness teaching aid Download PDFInfo
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- CN213183299U CN213183299U CN202022334536.0U CN202022334536U CN213183299U CN 213183299 U CN213183299 U CN 213183299U CN 202022334536 U CN202022334536 U CN 202022334536U CN 213183299 U CN213183299 U CN 213183299U
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- valve
- pump
- liquid
- shell
- teaching aid
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- 239000007788 liquid Substances 0.000 claims abstract description 105
- 230000006870 function Effects 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000012780 transparent material Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000011084 recovery Methods 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 8
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000008278 dynamic mechanism Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model discloses a series teaching aid, which comprises a valve body or a pump body and a liquid supply device; the method is characterized in that: one half, one third or one fourth of the cutting surface is arranged on the symmetrical surface of the shell of the valve body or the pump body, a split body is arranged in a way of being matched with the cutting surface, and the split body and the shell form a complete shell together; and the split body is made of transparent material; the shell is provided with a liquid inlet and a liquid outlet according to the functions of the valve body or the pump body; the liquid inlet and the liquid outlet of the shell are connected with a liquid supply device, and the liquid supply device is used for injecting and recycling colored liquid into the shell; the teaching aid can intuitively and clearly react the principles, action mechanisms, structure ideas and the like of various valve bodies and various pump bodies, can fully understand and master knowledge of the pump bodies and the valve bodies through a dynamic mechanism, and enables students to truly see the action principle of the valve bodies.
Description
Technical Field
The utility model relates to a teaching aid apparatus field, concretely relates to seriousness teaching aid.
Background
The teaching aid is a material object for propagating science and technology and educating people, is a complete scientific and technological medium, and is an indispensable device in teenager scientific and technological activities. Teaching aids used in scientific and technological activities include real object teaching aids and replica teaching aids.
The teaching aid is used as a tool for assisting teaching by teachers and has an irreplaceable effect of other means. The teaching aid can be used as an auxiliary tool no matter which subject, a teacher really brings the teaching aid into the teaching process according to needs, the teaching aid is selected and used in due time based on reality, the learning interest of students can be excited, the teaching key is highlighted, the teaching difficulty is broken through, the classroom teaching structure is optimized, the innovative thinking power of the students is developed, and the teaching quality and the teaching efficiency can be effectively improved.
In some abstract courses, the teaching aid plays an important role and has irreplaceable functions, for example, in courses of hydraulic and pneumatic technology, manufacturing technology foundation and the like, functional devices such as various types of valve bodies, pump bodies with different principles and the like can be frequently generated, and for example, the valve bodies are divided into a pressure reducing valve, a throttle valve, a manual reversing valve, a sequence valve, a speed regulating valve, a pilot overflow valve, a hydraulic control one-way valve, a hydraulic control reversing valve, an overflow valve during braking, a straight-through one-way valve and the like; for example, the pump body is divided into a gear pump, a single plunger pump, a radial plunger pump, a double-acting vane pump, an external gear pump, a plunger pump and the like. The principle, function, advantages and disadvantages, purposes and the like of the conventional components need to be firmly mastered by students, all knowledge points need to be mastered by the students, the structure of the structural components needs to be comprehensively known, otherwise, the understanding of the principle is very difficult, for many students, the structural components can only be seen as one external structure under normal conditions, the core principle of the structural components is mainly realized by the arrangement of an internal structure, and the internal structure characteristics are relatively complex due to the high functional diversity and comprehensive functions of the valve body, so that the students can only obtain related knowledge from the diagram on the book, and the diagram on the book only represents the valve bodies with different functions by 'coincidence' when understanding the structural components, this adds a lot of difficulty to the understanding of the students; secondly, the main functions of the valve body and the pump body are embodied in the trend of oil and liquid and the action of the valve core during working, and in the current teaching process, the instructor can only explain the action direction of the valve body, the trend and the principle of the oil liquid and the like through a plan view, all the above-mentioned components need students to imagine independently to be able to know the related knowledge more thoroughly, and according to statistics, nearly half of the students cannot imagine the specific action mode according to the internal structure of the valve body and the pump body, it is difficult to understand that it is difficult to remember various valve body mechanisms by which to judge the type of the valve body, and it is difficult to judge the type of the valve body, therefore, the development of a special teaching aid is of great importance to the students for understanding the valve body knowledge and achieving the purpose of technical innovation, and is particularly suitable for dynamically displaying the internal structures of the valve body and the pump body, and the display plays a great role in learning the professional knowledge of the students.
Disclosure of Invention
An object of the utility model is to provide a seriousness teaching aid, this teaching aid can audio-visually come out with audio-visual clear reactions such as the principle, the mechanism of action, the structure thinking of various valve bodies, all kinds of pump bodies, can reach the fully understood and knowledge grasp to the pump body, valve body through the dynamic mechanism, make the student can be real see the effect principle of valve body.
A series teaching aid comprises a valve body or a pump body and a liquid supply device; one half, one third or one fourth of the cutting surface is arranged on the symmetrical surface of the shell of the valve body or the pump body, a split body is arranged in a way of being matched with the cutting surface, and the split body and the shell form a complete shell together; and the split body is made of transparent material;
the shell is provided with a liquid inlet and a liquid outlet according to the functions of the valve body or the pump body;
the liquid inlet and the liquid outlet of the shell are connected with a liquid supply device, and the liquid supply device injects and recovers colored liquid for the shell.
Preferably, the valve body comprises a pressure reducing valve, a throttle valve, a manual reversing valve, a sequence valve, a speed regulating valve, a pilot overflow valve, a hydraulic control one-way valve, a hydraulic control reversing valve, an overflow valve during braking, a straight-through one-way valve and the like.
Preferably, the pump body comprises a gear pump, a single plunger pump, a radial plunger pump, a double-acting vane pump, an external gear combination gear pump, a plunger pump, or the like.
Preferably, the housing and the split body are connected through bolts, and a sealing gasket is arranged at a butt joint surface of the housing and the split body.
Preferably, the liquid supply device comprises an operation platform, a water pump and a water tank, wherein the operation platform is of a box structure, the water tank is arranged inside the operation platform, the bottom and the side wall of the water tank are respectively provided with a liquid supply pipeline and a recovery pipeline, the water pump is arranged on the liquid supply pipeline, and the liquid supply pipeline is connected with a liquid inlet of the valve body or the pump body through a hose; the recovery pipeline is connected with a liquid outlet of the valve body or the pump body through a hose; colored liquid is filled in the water tank.
Further, the pipe orifice of the liquid supply pipeline is provided with at least two branch pipe orifices, and correspondingly, the pipe orifice of the recovery pipeline is provided with at least one branch pipe orifice.
Furthermore, valves are arranged at the branch pipe orifice of the liquid supply pipeline and the branch pipe orifice of the recovery pipeline.
Further, the side wall of the water tank is provided with a liquid level display tube.
Furthermore, a switch for controlling the water pump to work or not is arranged on the operating platform.
Furthermore, the inside storing space who deposits valve body and pump body that still has of operation panel.
Furthermore, the operation panel still is equipped with the power supply socket, for the valve body or the pump body power supply that have electronic demand.
The utility model has the advantages as follows:
first, set up valve body or the pump body into partial transparent construction in this application, when giving lessons to the student like this, can show the teaching aid for the student, the student can be through the inner structure of seeing the valve body or the pump body that the teaching aid is clear, but also can judge the break-make condition of actual oil circuit through the action of case, and the teaching effect is very good.
Second, a further advantage is exactly to possess the water supply function in this application, through supplying water (the liquid that has the colour) to valve body or the pump body, for this demonstrates (or verifies) the actual oil circuit break-make condition of valve body or pump body for the student, the student not only can be through the case action of valve body preliminary judgement oil circuit break-make condition like this, can also utilize the device to verify own thinking, the letting in of coloured liquid, the student can see through transparent half, the trend of the inside liquid of valve body is seen to third or quarter components of a whole that can function independently, it is clear, this understanding to the student, very big help has.
Third, in this application, supply liquid device to provide the show type basis for the teaching of valve body, pump body course, the student need not rely on imagination to understand textbook knowledge again, can relax, the happy acquisition knowledge of means such as through audio-visual seeing, verification, in relevant course teaching, have very big meaning, not only tempered student's real behaviour and operation ability, also promoted the interest to modern subject simultaneously.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural view of the liquid supply device of the present invention.
Figure 3 is a section schematic view of a throttle valve of the teaching aid of the present invention.
Fig. 4 is a schematic cross-sectional view of a hydraulic control check valve as one of the teaching aids of the present invention.
Fig. 5 is a schematic sectional view of a gear pump as one of the teaching aids of the present invention.
In the figure, a shell 1, a liquid inlet 1-1, a liquid outlet 1-2, a liquid supply device 2, an operation platform 2-1, a water pump 2-2, a water tank 2-3, a liquid supply pipeline 2-4 and a recovery pipeline 2-5.
Detailed Description
Referring to fig. 1-5, the present application designs a series teaching aid, which is specially designed for teaching use for valve body series and pump body series, and students can visually see the relevant knowledge of the action mechanism, principle, function, etc. of the valve body or pump body by using the teaching aid; the teaching aid mainly comprises a valve body or a pump body and a liquid supply device 2; the characteristic points are as follows:
the symmetrical surface of the shell 1 of the valve body or the pump body is processed into a half, a third or a quarter of cutting surface (specifically, according to the actual structure of the pump body or the valve body, if the cutting surface can not be processed into a half cutting form, a one-third or a quarter structure is tried), a split body is installed in a form of being matched with the cutting surface and connected through a bolt, and the split body and the shell 1 form a complete shell together; and the split body is made of transparent material; in order to ensure the sealing performance of the connection between the split body and the housing 1, a layer of sealing gasket, such as a rubber gasket, is arranged between the split body and the housing 1.
In order to conveniently connect the liquid supply device 2 with the shell, the shell is provided with a liquid inlet 1-1 and a liquid outlet 1-2 according to the functions of the valve body or the pump body; the liquid inlet 1-1 and the liquid outlet 1-2 are actually related to the valve body or the pump body, the liquid inlet 1-1 and the liquid outlet 1-2 are of pipe orifice structures with external wires, when the liquid inlet is connected with the liquid supply device 2, the liquid inlet and the liquid outlet are connected through a hose, the two ends of the hose are respectively provided with an internal wire connector matched with the liquid inlet 1-1 and the liquid outlet 1-2, when the hose and the liquid supply device are connected, the hose is screwed on, and therefore the implementation purpose is that teachers can conveniently replace different types of valve bodies to perform work such as demonstration, explanation and the like.
The liquid inlet 1-1 and the liquid outlet 1-2 of the shell are connected with a liquid supply device 2, and the liquid supply device 2 is used for injecting and recovering colored liquid into the shell, providing a power supply jack for the valve body or the pump body, bearing the valve body or the pump body and the like; the liquid supply device 2 comprises an operation table 2-1, a water pump 2-2 and a water tank 2-3; the operation table 2-1 is of a box body structure, a water tank 2-3 is arranged inside the operation table 2-1, the bottom and the side wall of the water tank 2-3 are respectively connected with a liquid supply pipeline 2-4 and a recovery pipeline 2-5, a water pump 2-2 is installed on the liquid supply pipeline 2-4, and the liquid supply pipeline 2-4 (an external thread is processed at the pipe head of the liquid supply pipeline 2-4) is connected with a liquid inlet 1-1 of a valve body or a pump body through a hose; the recovery pipeline 2-5 (the pipe head of the recovery pipeline 2-5 is provided with an external thread) is connected with the liquid outlet 1-2 of the valve body or the pump body through a hose; colored liquid, such as red liquid, blue liquid and the like, is filled in the water tank 2-3; considering that part of the functional valve body is provided with a plurality of liquid inlets 1-1, at least two branch pipe orifices are arranged at the pipe orifices of the liquid supply pipelines 2-4, correspondingly, at least one branch pipe orifice is arranged at the pipe orifice of the recovery pipeline 2-5, and simultaneously, in order to realize independent control of independent liquid supply of one liquid inlet 1-1 and the liquid outlet 1-2, valves are arranged at the branch pipe orifices of the liquid supply pipelines 2-4 and the branch pipe orifices of the recovery pipelines 2-5; meanwhile, considering that the colored liquid is lost after the liquid supply device 2 is used for a long time, the liquid level display tube is arranged on the side wall of the water tank 2-3, an operator can clearly know the residual amount of the liquid in the water tank 2-3 and can timely replenish the liquid, and when the liquid is replenished, the liquid can be replenished through the liquid outlet 1-2 and the liquid inlet 1-1.
In the application, when liquid needs to be pushed into the valve body or the pump body, the liquid is pushed through the water pump 2-2, and the switch for controlling the water pump 2-2 to work or not is arranged on the operating platform 2-1. In addition, because the liquid supply device 2 is a set of teaching aid, for the convenience of the work of the teacher in arrangement, storage, exhibition and the like, the operation table 2-1 is internally provided with a storage space for storing the valve body and the pump body, so that a series of (or a whole set of) teaching aids can be stored in the storage space, and the convenience in use is improved. Meanwhile, some pump bodies or valve bodies need to be electrically driven, so that a power supply socket is also arranged on the operating platform 2-1 to supply power to the valve bodies or the pump bodies with the electric requirements.
In the present application, the valve body includes a pressure reducing valve, a throttle valve, a manual directional valve, a sequence valve, a speed regulating valve, a pilot overflow valve, a hydraulic control check valve, a hydraulic control directional valve, an overflow valve during braking, a through check valve, and the like.
In this application, the pump body includes gear pump, single plunger pump, radial plunger pump, two effect vane pump, external tooth gear pump, plunger pump etc..
In the implementation of the application: the corresponding pump body or valve body is taken out from the liquid supply device 2, then the pump body or valve body is connected with the liquid supply device 2 through the hose, after connection, colored liquid can be pumped into the corresponding valve body or pump body through the water pump 2-2, a teacher can clearly see the trend of the liquid in the valve body by adjusting the valve core, the mechanism of the valve body can be better understood, and the effect is obviously improved through teaching tests without imagination.
Claims (10)
1. A series teaching aid comprises a valve body or a pump body and a liquid supply device; the method is characterized in that:
one half, one third or one fourth of the cutting surface is arranged on the symmetrical surface of the shell of the valve body or the pump body, a split body is arranged in a way of being matched with the cutting surface, and the split body and the shell form a complete shell together; and the split body is made of transparent material;
the shell is provided with a liquid inlet and a liquid outlet according to the functions of the valve body or the pump body;
the liquid inlet and the liquid outlet of the shell are connected with a liquid supply device, and the liquid supply device injects and recovers colored liquid for the shell.
2. A seriousness teaching aid as claimed in claim 1 wherein the valve body includes a pressure reducing valve, a throttle valve, a manual directional valve, a sequence valve, a speed governing valve, a pilot operated overflow valve, a hydraulic control check valve, a hydraulic control directional valve, a brake time overflow valve, a straight through check valve.
3. A seriousness teaching aid as claimed in claim 1 wherein the pump body comprises a gear pump, a single plunger pump, a radial plunger pump, a double acting vane pump, an external gear pump, a plunger pump.
4. A seriousness teaching aid as claimed in claim 1, wherein the housing is bolted to the separate body and a gasket is provided at the interface between the housing and the separate body.
5. A seriousness teaching aid as claimed in claim 1, wherein the liquid supply device comprises an operation table, a water pump and a water tank, the operation table is of a box structure, the water tank is arranged in the operation table, a liquid supply pipeline and a recovery pipeline are respectively arranged at the bottom and the side wall of the water tank, the water pump is arranged on the liquid supply pipeline, and the liquid supply pipeline is connected with a liquid inlet of the valve body or the pump body through a hose; the recovery pipeline is connected with a liquid outlet of the valve body or the pump body through a hose; colored liquid is filled in the water tank.
6. A series of teaching aids as claimed in claim 5 wherein the supply line has at least two branch ports at the port and correspondingly at least one branch port at the recovery line port.
7. A series of teaching aids as claimed in claim 6, wherein valves are provided at both the branch pipe mouth of the feed line and the branch pipe mouth of the recovery line.
8. A seriousness teaching aid as claimed in claim 5, wherein the tank side wall is provided with a liquid level indicator tube.
9. A seriousness teaching aid as claimed in claim 5, wherein the operating platform further includes a storage space for storing the valve body and the pump body.
10. A seriousness teaching aid as claimed in claim 5, wherein the operating station is further provided with a power supply socket for supplying power to the valve body or pump body having the electrical demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022334536.0U CN213183299U (en) | 2020-10-20 | 2020-10-20 | Seriousness teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022334536.0U CN213183299U (en) | 2020-10-20 | 2020-10-20 | Seriousness teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213183299U true CN213183299U (en) | 2021-05-11 |
Family
ID=75780038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022334536.0U Expired - Fee Related CN213183299U (en) | 2020-10-20 | 2020-10-20 | Seriousness teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213183299U (en) |
-
2020
- 2020-10-20 CN CN202022334536.0U patent/CN213183299U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |