CN210155984U - Transparent alcohol internal combustion engine model - Google Patents
Transparent alcohol internal combustion engine model Download PDFInfo
- Publication number
- CN210155984U CN210155984U CN201920812591.0U CN201920812591U CN210155984U CN 210155984 U CN210155984 U CN 210155984U CN 201920812591 U CN201920812591 U CN 201920812591U CN 210155984 U CN210155984 U CN 210155984U
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- power cylinder
- combustion chamber
- engine model
- flywheel
- fuel
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 59
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000000446 fuel Substances 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000002828 fuel tank Substances 0.000 claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 14
- 239000011229 interlayer Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 230000002000 scavenging effect Effects 0.000 claims abstract description 6
- 239000011521 glass Substances 0.000 claims abstract description 5
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 4
- 238000005491 wire drawing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The utility model discloses a transparent alcohol internal combustion engine model, which comprises a fuel tank, a fuel pump, a power cylinder, a combustion chamber, a flywheel component and a speed-regulating igniter; the outer layer of the fuel tank is provided with an interlayer water tank, the inner layer of the fuel tank is connected with a fuel pump, and the joint of the interlayer water tank and the inner layer of the fuel tank is also provided with an air door; the fuel pump and the power cylinder are arranged on two sides of the flywheel assembly and are connected through scavenging ducts, pistons are arranged in the fuel pump and the power cylinder, and the pistons are connected with the flywheel assembly; a combustion chamber is arranged in the power cylinder, and a water cooling jacket connected with a fuel tank interlayer water tank is arranged outside the power cylinder; the combustion chamber is composed of transparent fire-resistant glass, a spark plug is arranged in the combustion chamber, and the spark plug is connected with a speed-regulating igniter. The utility model discloses small, the environmental protection is harmless among the actual operation process to can restore the working process of internal-combustion engine well, and can realize clearly observing the different combustion conditions in the combustion chamber, have fine teaching meaning.
Description
Technical Field
The utility model relates to an internal-combustion engine technical field, more specifically relates to a transparent alcohol engine model.
Background
The combustion engine is a significant invention in the history of human civilization, changes the activity mode of human beings and greatly promotes the development of vehicles.
Nowadays, the internal combustion engine is used as the power core of a vehicle, and the working principle of the internal combustion engine is still the key point in related subject teaching. The internal combustion engine model used in the existing teaching is complex in structure and large in size, and is driven by adopting a fuel material, so that the internal combustion engine model cannot be well applied to teaching in classrooms from the aspects of portability and environmental protection; an internal combustion engine model with a small volume generally adopts an external heat source for heating, so that internal air is heated and pressurized, and a function of pushing a piston to move is achieved, but the basic working principle that high-temperature and high-pressure gas generated by internal combustion of the internal combustion engine pushes a piston connecting rod mechanism to do work cannot be well reduced, the combustion condition in a combustion chamber cannot be well observed, and the teaching effect is not good.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a transparent alcohol engine model that environmental protection, small, be fit for being used for the teaching.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a transparent alcohol internal combustion engine model comprises a fuel tank, a fuel pump, a power cylinder, a combustion chamber, a flywheel assembly and a speed-regulating igniter; the outer layer of the fuel tank is provided with an interlayer water tank, the inner layer of the fuel tank is connected with a fuel pump, and the joint of the interlayer water tank and the inner layer of the fuel tank is also provided with an air door; the fuel pump and the power cylinder are arranged on two sides of the flywheel assembly and are connected through scavenging ducts, pistons are arranged in the fuel pump and the power cylinder, and the pistons are connected with the flywheel assembly; a combustion chamber is arranged in the power cylinder, and a water cooling jacket connected with a fuel tank interlayer water tank is arranged outside the power cylinder; the combustion chamber is composed of transparent fire-resistant glass, a spark plug is arranged in the combustion chamber, and the spark plug is connected with a speed-regulating igniter.
Further, the flywheel subassembly includes the flywheel support and sets up in the flywheel in the middle and install the anchor and the ignition trigger wheel at flywheel axle both ends respectively.
Further, the ignition trigger wheel is connected with an inner piston of a fuel pump; the wire drawing disc is connected with a piston in the power cylinder; the connecting points of the two pistons are arranged at 180 degrees at the opposite positions of the electric fire trigger wheel and the wire drawing disc.
Furthermore, a pulley connecting rod structure and a Hall sensor which slide along the waist groove on the flywheel bracket are also arranged on the ignition trigger wheel.
Further, the Hall sensor is connected with the speed regulation igniter through a signal power line.
Further, the engine model further comprises a base for fixing each component; and the base is provided with a power supply device.
Further, the combustion chamber is provided with an exhaust pipe on which a muffler is provided.
Furthermore, an air door valve is arranged on the air door.
Further, the damper valve is a one-way valve.
The utility model has the advantages as follows:
(1) the utility model provides a transparent alcohol internal-combustion engine model includes the fuel tank, fuel pump, power cylinder, and necessary component parts of realizing internal-combustion engine function internal-combustion engine such as combustion chamber, flywheel subassembly, speed governing point firearm, and all install and be fixed in on same base, and small uses alcohol as fuel drive, and waste gas environmental protection is harmless, is fit for being used for the teaching demonstration in the classroom.
(2) The utility model discloses set up throttle valve, speed governing point firearm, and the combustion chamber comprises transparent fire-resistant glass, the burning condition and the colour of burning flame when both can clearly observe fuel and different proportion air mixing also can observe the burning condition of fuel under the different ignition energy, and convenient contrast research has fine teaching meaning.
(3) This novel fuel pump of experiment and power cylinder separately set up, and the outside adopts the flywheel to replace traditional bent axle to utilize the reciprocating motion of piston self in fuel pump and the power cylinder, just can reach the effect of inhaling fuel and delivering to the combustion chamber, simple structure, and easily operation, the higher degree has been restoreed the internal-combustion engine and has been turned into mechanical energy and cycle work's process with chemical energy, and adopt water-cooling cycle circulation radiating mode, has good security and reliability.
Drawings
Fig. 1 is a schematic diagram of a general assembly structure of a transparent alcohol internal combustion engine model provided by the present invention;
fig. 2 is a schematic diagram of a general assembly structure of a transparent alcohol engine model provided by the present invention;
FIG. 3 is a schematic view of a flywheel assembly;
FIG. 4 is a schematic view of a flywheel assembly;
FIG. 5 is a schematic view of a power cylinder;
FIG. 6 is a schematic view of the damper configuration;
FIG. 7 is a schematic view of a base structure;
FIG. 8 is a schematic view of a speed igniter;
fig. 9 is a schematic view of a stay cord.
Detailed Description
The present invention will be further explained with reference to the drawings and examples. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
As shown in fig. 1, 2, 3, 4 and 5, the present embodiment provides a transparent alcohol internal combustion engine model, which comprises a fuel tank 1, a fuel pump 9, a power cylinder 19, a combustion chamber 20, a flywheel assembly, and a speed regulating igniter 26; the outer layer of the fuel tank 1 is provided with an interlayer water tank 2, the inner layer stores alcohol fuel, the top of the fuel tank 1 is provided with a fuel filling port 3, a fuel discharging port 5 and a rubber sleeve 6, the fuel is injected from the fuel filling port 3 through an injector and can flow into the fuel tank 1 along a fuel pipe 7, the fuel discharging port 5 and the rubber sleeve 6 are opened when the fuel is injected, and vacuum formation and suck-back in the fuel tank 1 are avoided; the interlayer water tank 2 on the outer layer of the fuel tank 1 is connected with the water cooling jacket 21 on the outer layer of the combustion chamber 20 through a water inlet pipe 23 and a water outlet pipe 22, the inner layer of the fuel tank 1 is connected with the fuel pump 9 through a fuel outlet 4, an air door 10 and an air door valve 39 are also arranged at the connection position, and the air door valve 39 adjusts the amount of air entering the fuel pump 9 so that the air and the fuel are mixed in a certain proportion; the fuel pump 9 is internally provided with a piston 181, a connecting rod at the tail part of the piston 181 is connected with an external flywheel assembly, the flywheel assembly comprises a flywheel bracket 12, a flywheel 13 arranged in the middle, and an anchor plate 14 and an ignition trigger wheel 15 which are respectively arranged at two ends of a flywheel shaft, wherein the connecting rod of the piston 181 is fixed on the ignition trigger wheel 15 at one side of the flywheel 13, a power cylinder 19 is arranged at the other side of the flywheel 13, a piston 182 in the power cylinder is connected with the anchor plate 14, the pistons 181 and 182 carry out linear reciprocating motion on the fuel pump 9 and the power cylinder 19 along with the rotation of the flywheel, a section of extending pulley connecting rod structure 16 is arranged on the ignition trigger wheel 15, a pulley 34 at the tail part can slide along a waist groove 35 on the flywheel bracket, the waist groove limits the forward and backward rotation range of the ignition trigger wheel to 60 degrees, namely limits the stroke of the piston 181 in the reciprocating linear motion in the fuel pump 9, for monitoring the position of the pulley 34, determining the ignition angle, and transmitting the signal of whether to ignite by connecting the speed regulating igniter 26 through a signal power line 36.
A scavenging duct 24 is arranged in the middle of the fuel pump 9 and is connected with the power cylinder 19 and a combustion chamber 20 inside the power cylinder; the outer wall of the combustion chamber 21 is provided with a water cooling jacket 22 connected with the interlayer water tank 2, and the inside of the combustion chamber is provided with a spark plug 28 connected with a speed regulating igniter 26; all the above components are directly or indirectly fixed on the base 29, for example, the fuel tank 1 is directly arranged on the base 29, the power cylinder and the combustion chamber are supported by the bracket 11 specified on the base 29, the flywheel assembly is supported by the flywheel frame 12, the base 29 is provided with a plurality of shock-proof pad supporting feet 30, the back is provided with a battery box 32, and the power supply can be realized by installing a common No. 5 battery 31.
The utility model discloses a concrete working method as follows:
first, preparatory work before operation is performed: 3-section No. 5 batteries are arranged in the battery box 32, the voltage is 4.5V, and the Hall sensor 43 and the speed regulation igniter 26 are powered; then, fuel (alcohol or white spirit with the alcohol degree of more than 55 degrees) is filled into the fuel tank 1 from a fuel pipe 7 of the fuel filling port 3 by using an injector, and a rubber sleeve 6 on the fuel discharging port 5 is opened to avoid forming vacuum when the fuel is injected; then the water pipe 22 at the water outlet of the water cooling jacket 21 is pulled down, purified water or mineral water (preventing impure cooling water sediment from entering the cylinder) is injected into 4/5 position by an injector, and then the water pipe is restored and installed at the water outlet of the water cooling jacket 21; turning on the speed-regulating igniter 26, turning on the knob 27 of the stepless speed-regulating igniter to the maximum (after the speed is regulated by the knob after the ignition is stabilized), turning on the working red light 33 on the igniter, and turning the pulley 34 in the pulley connecting rod structure 16 to the rightmost end of the waist groove 35, wherein the relative positions of the connecting points of the two pistons on the electric fire trigger wheel and the wire drawing disc are arranged at 180 degrees, when the piston 181 on one side of the ignition trigger wheel 15 is positioned at the outermost position, the piston 182 connected with the wire drawing disc 14 on the other side is positioned at the maximum compression stroke, and the maximum compression stroke is the optimal ignition angle; thereafter, the hall sensor 43 is connected to the speed igniter 26.
Then, the internal combustion engine is started to operate: a25 mm long pull rope 40 is sleeved on a pin 38 on a pull rope coil 14, a forefinger is sleeved on a pull rope clamping ring 42, the flywheel 13 is shifted towards one direction, the pull ropes are all wound on the pull rope coil, then the pull rope clamping ring 42 is pulled forcibly, under the inertia effect of the flywheel 13, pistons 181 and 182 move back and forth in a fuel pump 9 and a power cylinder 19, when the pistons move outwards, the air pressure in the fuel pump 19 is reduced, gaseous alcohol volatilized in the fuel tank 1 is pressed into the fuel pump 9 from a fuel air outlet 4 along with a pipeline, meanwhile, outside air enters the fuel pump 9 from an air door 10 to be mixed with the alcohol, the gaseous alcohol and the air are continuously sucked by the continuous reciprocating motion of the pistons, the mixed gas formed by the gaseous alcohol and the air is pressed into a scavenging duct 24 to be sent to the power cylinder 19 and enters a combustion chamber 21, the principle of the injector is similar to that of a traditional pressurized water well, a pulley 34 in a pulley connecting rod mechanism 16 is formed by a magnetic substance, when the hall sensor senses that the pulley link mechanism 16 is positioned at the rightmost end of the waist groove 35, a signal is transmitted to the speed regulation igniter 26, so that the spark plug 28 is instructed to ignite, the ignition work is finished by hearing the explosion sound from the muffler 25, the mixed gas is combusted in the combustion chamber, high-temperature and high-pressure gas is generated to push the piston 182 to move outwards and act on the wire drawing disc 14 on the flywheel 13, and the wire drawing disc 14 serves as a driving wheel to drive the ignition trigger wheel 15 on the other side of the flywheel 13 to rotate; under the action of the high-temperature and high-pressure gas and the inertia of the flywheel 13, the pistons 181 and 182 continuously reciprocate, so that the circular work is realized; the piston movement in the power cylinder 19 is similar to the working principle of the existing two-stroke internal combustion engine, and the piston moves linearly and reciprocally and simultaneously opens and closes the air outlet of the scavenging duct 24 and the air inlet of the exhaust pipe, so that the combustion chamber is ensured to be combusted in a closed environment.
In the working process, the air door valve 38 can be adjusted to control the amount of the introduced air, so that the mixed gas consisting of the air and the alcohol enters the combustion chamber in different proportions, the combustion chamber 21 is made of transparent high-temperature-resistant refractory glass, the color of combustion flame of fuels in different proportions can be observed, and the combustion condition is known to be different; meanwhile, the knob 27 of the inorganic speed-regulating igniter on the speed-regulating igniter 26 can be adjusted to control the ignition energy of the spark plug 28 and observe different combustion conditions in the combustion chamber, which has important significance in the practical teaching process.
It should be understood that the above examples are only for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A transparent alcohol internal combustion engine model is characterized by comprising a fuel tank, a fuel pump, a power cylinder, a combustion chamber, a flywheel assembly and a speed regulation igniter; the outer layer of the fuel tank is provided with an interlayer water tank, the inner layer of the fuel tank is connected with a fuel pump, and the joint of the interlayer water tank and the inner layer of the fuel tank is also provided with an air door; the fuel pump and the power cylinder are arranged on two sides of the flywheel assembly and are connected through scavenging ducts, pistons are arranged in the fuel pump and the power cylinder, and the pistons are connected with the flywheel assembly; a combustion chamber is arranged in the power cylinder, and a water cooling jacket connected with a fuel tank interlayer water tank is arranged outside the power cylinder; the combustion chamber is composed of transparent fire-resistant glass, a spark plug is arranged in the combustion chamber, and the spark plug is connected with a speed-regulating igniter.
2. The transparent alcohol engine model according to claim 1, wherein the flywheel assembly comprises a flywheel bracket and a flywheel arranged in the middle and an anchor plate and an ignition trigger wheel respectively mounted at two ends of a flywheel shaft.
3. The transparent alcohol engine model of claim 2, wherein the ignition trigger wheel has attached thereto a fuel pump inner piston; the wire drawing disc is connected with a piston in the power cylinder; the connecting points of the two pistons are arranged at 180 degrees at the opposite positions of the electric fire trigger wheel and the wire drawing disc.
4. The transparent alcohol engine model according to claim 3, wherein the ignition trigger wheel is further provided with a pulley connecting rod structure and a Hall sensor which slide along a waist groove on the flywheel bracket.
5. The transparent alcohol engine model of claim 4, wherein the Hall sensor is connected to a speed governing igniter through a signal power line.
6. The transparent alcohol engine model according to claim 1, further comprising a base to which each component is fixed; and the base is provided with a power supply device.
7. A transparent alcohol engine model according to claim 1, wherein the combustion chamber is provided with an exhaust pipe on which a muffler is provided.
8. The transparent alcohol engine model according to claim 1, wherein a damper valve is provided on the damper.
9. The transparent alcohol engine model of claim 8, wherein the damper valve is a one-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812591.0U CN210155984U (en) | 2019-05-31 | 2019-05-31 | Transparent alcohol internal combustion engine model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812591.0U CN210155984U (en) | 2019-05-31 | 2019-05-31 | Transparent alcohol internal combustion engine model |
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| Publication Number | Publication Date |
|---|---|
| CN210155984U true CN210155984U (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920812591.0U Expired - Fee Related CN210155984U (en) | 2019-05-31 | 2019-05-31 | Transparent alcohol internal combustion engine model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210155984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189613A (en) * | 2019-05-31 | 2019-08-30 | 湖南铁路科技职业技术学院 | A kind of transparent alcohol engine model |
-
2019
- 2019-05-31 CN CN201920812591.0U patent/CN210155984U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189613A (en) * | 2019-05-31 | 2019-08-30 | 湖南铁路科技职业技术学院 | A kind of transparent alcohol engine model |
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| 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: 20200317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |