CN218669592U - Air-cooled diesel engine cylinder cover - Google Patents
Air-cooled diesel engine cylinder cover Download PDFInfo
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- CN218669592U CN218669592U CN202223469641.0U CN202223469641U CN218669592U CN 218669592 U CN218669592 U CN 218669592U CN 202223469641 U CN202223469641 U CN 202223469641U CN 218669592 U CN218669592 U CN 218669592U
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- cover body
- diesel engine
- cylinder head
- cooled diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model provides an air-cooled diesel engine cylinder head. An air-cooled diesel engine cylinder head comprising: a cover body; the push rod is arranged at the top of the cover body, and the top inside the cover body is provided with an exhaust side; the center of the first valve is arranged at the left side in the cover body, and the right side in the cover body is provided with the center of the second valve; the air inlet side is arranged at the bottom of the cover body; the air inlet duct is arranged on the left side of the cover body, and the right side of the cover body is provided with an air exhaust duct; the sprayer sets up in the middle of the lid. The utility model provides an air-cooled diesel engine cylinder head, through making air inlet duct, exhaust duct central line and cooling air flow become the right angle, the sprayer overall arrangement is at the center of lid, and the interval is shorter between air inlet duct and the exhaust duct to make the cooling effect of this device good, the oil beam distributes evenly, and the combustion effect is good, and the coefficient of inflation is high, and casting performance is good.
Description
Technical Field
The utility model relates to a diesel engine cylinder head field especially relates to an air-cooled diesel engine cylinder head.
Background
An air-cooled diesel engine is an internal combustion engine using diesel oil as fuel, converts heat energy released by fuel combustion into electric energy or mechanical energy, is mainly used in geological exploration, oil exploitation, military and other special industries, and is mostly a low-horsepower engine.
Whether the diesel engine can operate normally depends to a large extent on the oil temperature and the oil pressure. The engine oil temperature and the engine oil pressure are in normal ranges, and the diesel engine has great significance for fully playing the efficiency of a diesel engine, prolonging the service life of the engine, reducing the consumption rate of used fuel, reducing emission and improving power output, wherein the diesel engine is carried out at very high working cycle temperature, the temperature of the combustion end can reach 1700 ℃ to 2000 ℃, even higher, the temperature of the head part of an intake valve of a cylinder cover is 300 ℃ to 400 ℃, the temperature of the head part of an exhaust valve is 600 ℃ to 800 ℃, and under the high temperature, the strength and the wear resistance of parts are greatly reduced, the normal matching is damaged, a great deal of engine oil is burnt, the lubricating condition is extremely deteriorated, and obviously the diesel engine cannot work normally.
The cylinder cover of the existing air-cooled diesel engine is characterized in that an air inlet and outlet channel, a cooling air channel, a push rod and an oil injector are arranged in such a way that the connecting line of the air inlet and outlet centers is in line with cooling air flow, an air inlet channel is arranged on the air inlet side of the cooling air, an air outlet channel is arranged on the air outlet side of the cooling air, the push rod is arranged in parallel along the air flow cooling air direction, the oil injector is arranged at the center of the cylinder cover, but the cavity of the air inlet channel is arranged on the same side as the cavity of the air outlet channel, air inlet is preheated by high temperature of exhaust, the inflation coefficient of the diesel engine is reduced, and the performance is poor. The metal distribution of the cylinder cover is uneven, the casting performance is poor, and particularly when the three are arranged on the air outlet side, the cooling channel is extremely narrow, the length of the air channel needs to be lengthened, and a sufficient cooling area is obtained.
Therefore, it is necessary to provide a cylinder head of an air-cooled diesel engine to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air-cooled diesel engine cylinder head has solved intake duct die cavity and exhaust passage die cavity homonymy, admits air and receives exhaust high temperature and preheats, and the diesel engine coefficient of inflation reduces, and the performance is poor. The metal distribution of the cylinder cover is uneven, and the casting performance is poor. Especially, when the three are arranged on the air outlet side, the cooling channel is extremely narrow, the length of the air channel needs to be lengthened, and a sufficient cooling area is obtained.
In order to solve the technical problem, the utility model provides a pair of air-cooled diesel engine cylinder head, include: a cover body;
the push rod is arranged at the top of the cover body, and the top inside the cover body is provided with an exhaust side;
the first valve center is arranged on the left side inside the cover body, and the right side inside the cover body is provided with a second valve center;
the air inlet side is arranged at the bottom of the cover body;
the air inlet duct is arranged on the left side of the cover body, and the right side of the cover body is provided with an exhaust duct;
the fuel injector is arranged in the middle of the cover body.
Preferably, the air inlet duct is centrally communicated with the first air door.
Preferably, the exhaust duct is communicated with the center of the second valve.
Preferably, the first valve center and the second valve center communicate with each other.
Preferably, a heat dissipation device is fixedly mounted inside the exhaust duct, the heat dissipation device comprises a heat dissipation plate, and a mounting bump is fixedly mounted on the surface of the heat dissipation plate.
Preferably, the heat dissipation plate is wavy, and the contact area between the heat dissipation plate and hot air flow is increased.
Preferably, the mounting lug is hemispherical, so that the contact area of hot air flow is increased.
Compared with the prior art, the utility model provides a pair of forced air cooling diesel engine cylinder head has following beneficial effect:
the utility model provides an air-cooled diesel engine cylinder head, through making air inlet duct, exhaust duct central line and cooling air flow become the right angle, the sprayer overall arrangement is at the center of lid, and the interval is shorter between air inlet duct and the exhaust duct to make the cooling effect of this device good, the oil beam distributes evenly, and the combustion effect is good, and the coefficient of inflation is high, and casting performance is good.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of a cylinder head of an air-cooled diesel engine according to the present invention;
fig. 2 is a schematic structural view of a second embodiment of a cylinder head of an air-cooled diesel engine provided by the present invention;
fig. 3 is a schematic structural diagram of the heat dissipation device shown in fig. 2.
The reference numbers in the figures: 1. a cover body, 2, a push rod, 3, an exhaust side, 4, an air inlet side, 5, an air inlet duct, 6, a first air door center, 7 and an exhaust duct, 8, a second valve center, 9, an injector, 10, a heat dissipation device, 101, a heat dissipation plate, 102 and a mounting lug.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, wherein fig. 1 is a schematic structural diagram of a first embodiment of a cylinder head of an air-cooled diesel engine according to the present invention. An air-cooled diesel engine cylinder head comprising: a cover body 1;
the push rod 2 is arranged at the top of the cover body 1, and the top inside the cover body 1 is provided with an exhaust side 3;
a first valve center 6, wherein the first valve center 6 is arranged at the left side inside the cover body 1, and a second valve center 8 is arranged at the right side inside the cover body 1;
the air inlet side 4 is arranged at the bottom of the cover body 1;
the air inlet duct 5 is arranged on the left side of the cover body 1, and the right side of the cover body 1 is provided with an exhaust duct 7;
and the fuel injector 9 is arranged in the middle of the cover body 1, and the fuel injector 9 is arranged in the middle of the cover body 1.
The air inlet duct 5 communicates with the first valve center 6.
The exhaust duct 7 communicates with the second valve center 8.
The first valve center 6 and the second valve center 8 communicate with each other.
The utility model provides a pair of air-cooled diesel engine cylinder head's theory of operation as follows:
when the cover works, firstly, the central connecting line of the air inlet duct 5 and the air outlet duct 7 is at a right angle with cooling air flow, the push rod 2 is arranged on the air outlet side 3, the oil injector 9 is arranged on the air inlet side 4 and is rightly arranged at the center of the cylinder cover, so that the air inlet duct 5, the air outlet duct 7 and the oil injector 9 of the cover body 1 have good cooling effect, meanwhile, the oil injector 9 is arranged rightly, oil bundles are uniformly distributed, the combustion effect is good, the air inlet duct 5 and the air outlet duct 7 are short, no long and narrow turning part exists, the inflation coefficient is high, the metal distribution is uniform, and the casting performance is good.
Compared with the prior art, the utility model provides a pair of forced air cooling diesel engine cylinder head has following beneficial effect:
the utility model provides an air-cooled diesel engine cylinder head, through making air inlet duct 5, 7 center connection of exhaust airway become the right angle with the cooling air current, the 9 overall arrangements of sprayer are at the center of lid 1, and the interval is shorter between air inlet duct 5 and the exhaust airway 7 to make the cooling effect of this device good, the oil beam distributes evenly, and the combustion effect is good, and the coefficient of inflation is high, and casting performance is good.
Second embodiment
Referring to fig. 2 and fig. 3 in combination, a second embodiment of the present application provides another cylinder head of an air-cooled diesel engine based on a cylinder head of an air-cooled diesel engine provided in a first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference of an air-cooled diesel engine cylinder head that the second embodiment of this application provided lies in, an air-cooled diesel engine cylinder head, the inside fixed mounting of exhaust duct 7 has heat abstractor 10, heat abstractor 10 includes heating panel 101, the fixed surface of heating panel 101 installs installation lug 102.
The heat dissipation plate 101 is wave-shaped, and the contact area between the heat dissipation plate and hot air is increased.
The mounting protrusion 102 is hemispherical, so that the contact area of hot air flow is increased.
The utility model provides a pair of forced air cooling diesel engine cylinder head's theory of operation as follows:
in operation, heat is first exhausted from the exhaust duct 7, the airflow passes between the plurality of heat dissipating devices 10, and the heat of the airflow is absorbed by the heat dissipating plate 101.
Compared with the prior art, the utility model provides a pair of air-cooled diesel engine cylinder head has following beneficial effect:
the utility model provides an air-cooled diesel engine cylinder head sets up a plurality of heat abstractor 10 through the internal surface at exhaust duct 7, dispels the heat to the exhaust hot-blast, and this device simple structure, the practicality is strong, and many three heat abstractor 10 are installed in hot-blast circulation position, have improved the radiating effect to the exhaust hot-blast.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. An air-cooled diesel engine cylinder head, comprising: a cover body;
the push rod is arranged at the top of the cover body, and the top inside the cover body is provided with an exhaust side;
the first valve center is arranged on the left side inside the cover body, and the right side inside the cover body is provided with a second valve center;
the air inlet side is arranged at the bottom of the cover body;
the air inlet duct is arranged on the left side of the cover body, and the right side of the cover body is provided with an exhaust duct;
the fuel injector is arranged in the middle of the cover body.
2. The cylinder head of an air-cooled diesel engine of claim 1, wherein said air intake duct communicates centrally with said first valve.
3. The cylinder head of an air-cooled diesel engine of claim 1, wherein the exhaust duct communicates with the center of the second valve.
4. The cylinder head of an air-cooled diesel engine of claim 1, wherein the first valve center and the second valve center are in communication with each other.
5. The cylinder head of the air-cooled diesel engine according to claim 1, wherein a heat sink is fixedly mounted inside the exhaust duct, the heat sink includes a heat dissipation plate, and a mounting protrusion is fixedly mounted on a surface of the heat dissipation plate.
6. The cylinder head of an air-cooled diesel engine of claim 5, wherein said heat sink is corrugated to increase the contact area with the hot air stream.
7. The cylinder head of an air-cooled diesel engine of claim 5, wherein the mounting protrusions are hemispherical to increase the contact area of the hot air flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223469641.0U CN218669592U (en) | 2022-12-26 | 2022-12-26 | Air-cooled diesel engine cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223469641.0U CN218669592U (en) | 2022-12-26 | 2022-12-26 | Air-cooled diesel engine cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218669592U true CN218669592U (en) | 2023-03-21 |
Family
ID=85552183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223469641.0U Active CN218669592U (en) | 2022-12-26 | 2022-12-26 | Air-cooled diesel engine cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218669592U (en) |
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2022
- 2022-12-26 CN CN202223469641.0U patent/CN218669592U/en active Active
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