CN108894886B - Engine of motor tricycle, cylinder head and cooling system thereof - Google Patents
Engine of motor tricycle, cylinder head and cooling system thereof Download PDFInfo
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- CN108894886B CN108894886B CN201810924865.5A CN201810924865A CN108894886B CN 108894886 B CN108894886 B CN 108894886B CN 201810924865 A CN201810924865 A CN 201810924865A CN 108894886 B CN108894886 B CN 108894886B
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- 238000001816 cooling Methods 0.000 title claims abstract description 26
- 239000010705 motor oil Substances 0.000 claims abstract description 79
- 239000007921 spray Substances 0.000 claims abstract description 21
- 239000003921 oil Substances 0.000 claims description 104
- 238000000926 separation method Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 230000001050 lubricating effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005461 lubrication Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000275 quality assurance Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/007—Adaptations for cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an engine of a motor tricycle, a cylinder head and a cooling system thereof, wherein the cylinder head comprises a cylinder head body, an air inlet valve and an air outlet valve are arranged on the cylinder head body, and a mounting hole I close to the air inlet valve and a mounting hole II close to the air outlet valve are also arranged on the cylinder head body, and the engine is characterized in that: an engine oil spray hole I opposite to the air inlet valve is formed in the wall of the first mounting hole, and an engine oil spray hole II opposite to the air outlet valve is formed in the wall of the second mounting hole. By adopting the engine, the cylinder head and the cooling system thereof, the lubricating effect and the cooling effect of the cylinder head can be improved.
Description
Technical field:
the invention relates to an engine cooling system of a motor tricycle and an engine cylinder head.
The background technology is as follows:
At present, most of motor tricycle engines adopt water-cooled engines with single cylinder, lower cam and ejector rod type air distribution, because the motor tricycle works under severe environment and frequent working condition change, the heat density of the heat engine part of the engine is large, the heat dissipation is difficult, the engine oil temperature is high, key parts of the heat engine part, especially the air distribution mechanism parts, cannot be effectively cooled and lubricated, so that the key parts of the engine fail prematurely, such as bending or breaking of an intake valve and an exhaust valve, fatal faults such as ablation of the top of a piston and the like, the service life of the engine is shortened, and the economic loss is large.
The main causes of the above engine failure are: the engine of the previous motor tricycle adopts a cylinder head structure of the engine of the motor tricycle, and as the motor tricycle is mainly used for carrying people, the motor is not frequently overloaded, the heat load of the engine is not large, parts such as an intake valve, an exhaust valve, a rocker arm and the like are sprayed with engine oil through oil holes at the top of a cylinder head cover, and the corresponding lubricating and cooling effects can be basically achieved; the engine of the motor tricycle is heavy in general load, the heat density of the cylinder head is high, heat dissipation is difficult, the pump oil quantity of an oil pump is small when the engine is at a low rotating speed, the pressure of an oil duct is low, the temperature of an intake valve and an exhaust valve is increased due to the reduction of a cooling medium, and a metallographic structure is broken after being changed; the high temperature makes the engine oil thin, and the lubrication effect is poor; the phenomenon of valve blocking and the like occurs.
The existing tricycle engine has the following defects that the temperature of engine oil is higher than 130 ℃, the elastic attenuation of a valve spring is larger in a high-temperature environment, the original valve timing is disturbed, the interference of an intake valve and an exhaust valve occurs, the valve bending fails, and the engine fails; because the high heat cannot be transmitted in time, the metallographic structure of the valve is changed, and batch fracture occurs.
In summary, the above-mentioned problems occur due to the fact that the cooling effect of the engine cylinder head is poor, so that the heat in the cylinder head cannot be dissipated in time, and the lubricating oil viscosity is reduced and oxidized and deteriorated due to the high temperature, and the lubricating effect is poor.
The invention comprises the following steps:
The invention aims to provide an engine cylinder head with high valve reliability, which can ensure the valve reliability especially under severe working conditions.
In order to achieve the above object, the present invention is achieved by: the utility model provides an engine cylinder head of motor tricycle, includes the cylinder head body, be provided with admission valve and discharge valve on the cylinder head body, still be provided with on the cylinder head body and be close to the mounting hole one of admission valve and be close to the mounting hole two of discharge valve, its characterized in that: an engine oil spray hole I opposite to the air inlet valve is formed in the wall of the first mounting hole, and an engine oil spray hole II opposite to the air outlet valve is formed in the wall of the second mounting hole. The cylinder head that above-mentioned mode set up can make engine oil directly carry out engine oil direct injection to intake valve and exhaust valve, can make the valve fracture fault probability of engine obviously reduce, has improved the reliability of engine, has reduced economic loss.
Preferably, the first engine oil spray hole is a through hole arranged on the wall of the first mounting hole and is opposite to the valve stem of the air inlet valve, and the second engine oil spray hole is a notch or a through hole arranged on the upper wall of the second mounting hole and is opposite to the valve stem of the air outlet valve.
In order to further improve the lubricating and cooling effects, the air inlet valve is provided with an oil storage tank I, and the air outlet valve is provided with an oil storage tank II.
Preferably, an oil separation plate is arranged between the air inlet valve and the air outlet valve, a first baffle plate is arranged between the air inlet valve and the cylinder head oil return port, and the oil separation plate, the first baffle plate and the cylinder head body form an oil storage pool I; and a second baffle is arranged between the exhaust valve and the cylinder head oil return port, and the oil separation plate, the second baffle and the cylinder head body form a second oil storage pool.
In order to further prolong the shelf life of engine oil, a notch is arranged on the oil separation plate.
Preferably, the notch is arranged between the oil separation plate and the cylinder head body wall, and the notch is 1-2mm wide and 3-5mm deep.
In order to further prolong the shelf life of engine oil, the distance between the first baffle plate and the second baffle plate and the top wall of the cylinder head body is 18-20mm.
The engine cooling system of the motor tricycle comprises two oil holes A arranged on the combined end face of a cylinder body of a right box body of the engine, wherein two oil holes B opposite to the oil holes A are arranged on the cylinder body, the oil holes B penetrate through the cylinder body, a first mounting hole and a second mounting hole on the cylinder head body are communicated with the oil holes B, engine oil flows from the two oil holes A on the right box body to the oil holes B on the cylinder body, flows from the oil holes B on the cylinder body to the first mounting hole and the second mounting hole, and then is subjected to engine oil injection through an engine oil spray hole I arranged on the first mounting hole and an engine oil spray hole II arranged on the second mounting hole.
In order to further improve the lubricating and cooling effects, a communicated oil groove is arranged between two oil holes A on the combined end face of the cylinder body of the right box body of the engine, engine oil flows to an oil hole B on the cylinder body after being mutually communicated along the oil groove on the end face by the two oil holes A on the right box body, flows to a mounting hole I and a mounting hole II by the oil hole B on the cylinder body, and then is sprayed to an air inlet valve and an air outlet valve by an engine oil spray hole I arranged on the mounting hole I and an engine oil spray hole II arranged on the mounting hole II.
An engine of a motor tricycle comprises the cylinder head.
The beneficial effects are that:
1. the invention optimizes the original cylinder head cover, namely the top oil hole of the cylinder head, to directly spray the engine oil to the air inlet valve and the air outlet valve through the cylinder head oil passage hole, so that the engine oil can be directly sprayed to the valve rod and the spring of the air inlet valve and the air outlet valve, and the best cooling and lubricating effects are achieved. The cylinder head of the invention can adapt to working conditions such as ascending and descending slopes, flat roads and the like, and can adapt to working conditions such as 15 DEG ascending and descending slopes in mountain areas, low vehicle speed, high rotating speed, large load and the like.
2. The motor tricycle can ensure that the engine can realize effective cooling and lubrication even under the severe working condition of the environment, so that the failure of key parts of the engine is avoided, and particularly, the valve fracture failure probability of the engine is obviously reduced, the reliability of the engine is improved, and the economic loss is reduced.
3. By adopting the structure provided by the invention, the temperature of engine oil can be reduced to about 120 ℃; and the valve lubricating effect is good, the abrasion loss of the valve rod is reduced, and the quality guarantee period of engine oil is further prolonged. In the running process, no excessive engine oil enters the combustion chamber, the engine oil consumption is low, and the test result shows that the engine oil consumption of the structure is reduced by 3.7%.
4. The cylinder head of the invention does not need to be greatly changed on the original cylinder head die, has better economy, inherits and locks mature elements of the original cylinder head, can carry out batch production, has effective quality assurance, and can prolong the service life of the engine after being adopted.
Description of the drawings:
FIG. 1 is a block diagram of a cylinder head according to the present invention;
Fig. 2 is a block diagram of the cylinder block of the present invention;
FIG. 3 is a right box structure diagram of the engine of the present invention;
FIG. 4 is a block diagram of a cylinder head;
fig. 5 is a schematic view of the engine according to the present invention.
The specific embodiment is as follows:
the following describes in further detail the embodiments of the invention with reference to the accompanying drawings, but the invention is not limited to these embodiments, any substantial modifications or substitutions of the present examples, still falling within the scope of the invention as claimed in the claims.
Example 1: as shown in fig. 1-5, an engine cylinder head of a motor tricycle comprises a cylinder head body 1, wherein an air inlet valve 2 and an air outlet valve 3 are arranged on the cylinder head body, a mounting hole I4 close to the air inlet valve and a mounting hole II 5 close to the air outlet valve are further arranged on the cylinder head body, an engine oil spray hole I41 opposite to the air inlet valve is arranged on the hole wall of the mounting hole I4, and an engine oil spray hole II 51 opposite to the air outlet valve is arranged on the hole wall of the mounting hole II 5.
According to the engine cylinder head arranged in the mode, the mode of injecting engine oil from the oil hole at the top of the cylinder cover to the cylinder head is optimized to the mode of directly injecting the engine oil from the oil passage hole of the cylinder head to the intake valve and the exhaust valve, so that the best cooling and lubricating effects are achieved. And then can guarantee that motor tricycle even under the abominable operating mode of environment, the engine also can realize effectual cooling and lubrication, avoids the inefficacy of engine key spare part especially admission valve and discharge valve, has improved reliability and the durability of engine, has reduced economic loss.
As another implementation of this embodiment, the conventional method of injecting engine oil into the cylinder head through the oil hole at the top of the cylinder head may be combined with the method of directly injecting engine oil into the intake valve and the exhaust valve of this embodiment, so that the best lubrication and cooling effects can be achieved without changing the structure of the cylinder head.
Example 2: as shown in fig. 1-5, an engine cylinder head of a motor tricycle comprises a cylinder head body 1, wherein an air inlet valve 2 and an air outlet valve 3 are arranged on the cylinder head body, a mounting hole I4 close to the air inlet valve and a mounting hole II 5 close to the air outlet valve are further arranged on the cylinder head body, an engine oil spray hole I41 opposite to the air inlet valve is arranged on the hole wall of the mounting hole I4, and an engine oil spray hole II 51 opposite to the air outlet valve is arranged on the hole wall of the mounting hole II 5.
The first oil spray hole 41 is a through hole formed in the wall of the first mounting hole and is opposite to the valve stem arranged on the air inlet valve, and the second oil spray hole is a notch formed in the upper wall of the second mounting hole and is opposite to the valve stem arranged on the air outlet valve because the inner wall of the second mounting hole is a shorter step.
In addition, as another implementation manner of the embodiment, the air inlet valve is provided with an oil storage tank I, the air outlet valve is provided with an oil storage tank II, and the oil storage tank can be formed by encircling cavity walls.
In this embodiment, the reservoir is formed as follows: an oil separation plate 6 is arranged between the air inlet valve and the air outlet valve, a baffle I7 is arranged between the air inlet valve and the cylinder head oil return port, and the oil separation plate 6, the baffle I7 and the cylinder head body form an oil storage tank I11; and a second baffle plate 8 is arranged between the exhaust valve and the cylinder head oil return port, and the oil separation plate 6, the second baffle plate 8 and the cylinder head body form a second oil storage tank 12.
In addition, in order to facilitate the flow of engine oil, a notch is arranged on the oil separation plate. The gap is preferably arranged between the oil separation plate and the cylinder head body wall, namely at the edge of the oil separation plate, and is preferably 1-2mm wide and 3-5mm deep, and can be 1mm wide, 1.5mm, 2mm, 3mm deep, 4mm or 5mm deep, etc
And the distance between the first baffle plate and the second baffle plate and the top wall of the cylinder head body is 18-20mm, and 18mm, 19mm or 20mm can be selected but not limited to the baffle plates.
As another implementation of this embodiment, the conventional method of injecting engine oil into the cylinder head through the oil hole at the top of the cylinder head may be combined with the method of directly injecting engine oil into the intake valve and the exhaust valve of this embodiment, so that the best lubrication and cooling effects can be achieved without changing the structure of the cylinder head.
In the embodiment, the original cylinder head cover, namely the top oil eye injection engine oil of the cylinder head is optimized to be directly injected to the intake valve and the exhaust valve by the cylinder head or the combination of the intake valve and the exhaust valve. The engine oil can be directly sprayed to valve rods and springs of the air inlet valve and the air outlet valve, so that the best cooling and lubricating effects are achieved. And the motor tricycle can be guaranteed to be cooled and lubricated effectively even under the severe working condition of the environment, so that the failure of key parts of the motor is avoided, the reliability and durability of the motor are improved, and the economic loss is reduced.
The oil storage tank that adopts this embodiment to set up, no matter be when stopping, the flat road is gone or is going up and down the slope, can guarantee that intake and exhaust valve can both soak in the engine oil to through opening and baffle, can guarantee the normal flow of engine oil. The engine oil can be collected when the engine oil is small, and the engine oil can be smoothly discharged to the next path when the engine oil is large. The temperature of engine oil can be reduced to about 120 ℃; and the valve lubrication effect is good, the abrasion loss of the valve stem is reduced, and the quality guarantee period of engine oil is further prolonged. In addition, the cylinder head of the embodiment does not need to be greatly changed on the original cylinder head die, has better economy, inherits and locks mature elements of the original cylinder head, can be produced in batches, has effective quality assurance, and can prolong the service life of the engine after being adopted.
Example 3: as shown in fig. 1 to 5, the present embodiment provides an engine cooling system for a motor tricycle based on embodiment 1 and embodiment 2, which mainly involves cooling of a cylinder head. The cooling system comprises two oil holes A9 arranged on the combined end face of the cylinder body of the right cylinder body 20 of the engine, two oil holes B10 opposite to the oil holes A are arranged on the cylinder body 30, the oil holes B penetrate through the cylinder body, a first mounting hole 4 and a second mounting hole 5 on the cylinder head body 1 are matched with the oil holes B, engine oil flows from the oil holes A on the right cylinder body to the oil holes B on the cylinder body, flows from the oil holes B on the cylinder body to the first mounting hole and the second mounting hole, and then is subjected to engine oil injection by an engine oil injection hole I arranged on the first mounting hole and an engine oil injection hole II arranged on the mounting hole.
As another implementation manner of this embodiment, a communicating oil groove 91 is provided between two oil holes a on the cylinder body combining end surface of the right box body of the engine, engine oil flows from the two oil holes a on the right box body to the oil hole B on the cylinder body after being communicated with each other along the end surface oil groove, flows from the oil hole B on the cylinder body to the mounting hole one and the mounting hole two, and then is injected by the engine oil injection hole one provided on the mounting hole one and the engine oil injection hole two provided on the mounting hole two.
The oil holes A and B are the oil holes arranged on the existing right box body and cylinder body, and meanwhile, an oil groove is added between the two oil holes A. The oil hole B and the oil hole A can also be mounting holes, and engine oil enters the cylinder head through a gap between the mounting holes and the mounting screw or the mounting piece.
As another implementation of the present embodiment, the oil groove may be provided between two oil holes B on the end surface of the cylinder block coupled to the right case. Of course, the oil hole A and the oil hole B at the joint surface of the right box body and the air cylinder body can be simultaneously arranged.
As another implementation of this embodiment, the conventional method of injecting engine oil into the cylinder head through the oil hole at the top of the cylinder head may be combined with the method of directly injecting engine oil into the intake valve and the exhaust valve of this embodiment, so that the best lubrication and cooling effects can be achieved without changing the structure of the cylinder head.
In summary, the present embodiment optimizes the original cylinder head cover 40, i.e., the head top oil hole, to directly inject the engine oil from the cylinder head oil passage hole to the intake valve and the exhaust valve, or to combine the two. The engine oil can be directly sprayed to valve rods and springs of the air inlet valve and the air outlet valve, so that the best cooling and lubricating effects are achieved. The cylinder head of the embodiment can adapt to working conditions such as ascending and descending slopes, flat roads and the like, and can adapt to working conditions such as 15 DEG ascending and descending slopes in mountain areas, low vehicle speed, high rotating speed, large load and the like.
The motor tricycle can be guaranteed to be cooled and lubricated effectively even under severe environment working conditions, key parts of the motor are prevented from losing efficacy, particularly the valve fracture fault probability of the motor is obviously reduced, the operation reliability of the valve is improved, the reliability of the motor is further improved, and economic losses are reduced.
By adopting the structure and the cooling system provided by the embodiment, the temperature of engine oil can be reduced to about 120 ℃; and the valve lubricating effect is good, the abrasion loss of the valve rod is reduced, and the quality guarantee period of engine oil is further prolonged. In the running process, no excessive engine oil enters the combustion chamber, the engine oil consumption is low, and the test result shows that the engine oil consumption of the structure is reduced by 3.7%.
Claims (9)
1. The utility model provides an engine cylinder head of motor tricycle, includes the cylinder head body, be provided with admission valve and discharge valve on the cylinder head body, still be provided with on the cylinder head body and be close to the mounting hole one of admission valve and be close to the mounting hole two of discharge valve, its characterized in that: an engine oil spray hole I opposite to the air inlet valve is formed in the wall of the first mounting hole, and an engine oil spray hole II opposite to the air outlet valve is formed in the wall of the second mounting hole;
the first engine oil spray hole is a through hole arranged on the wall of the first mounting hole and is opposite to the valve stem of the air inlet valve, and the second engine oil spray hole is a notch or a through hole arranged on the upper wall of the second mounting hole and is opposite to the valve stem of the air outlet valve.
2. The engine cylinder head of claim 1, wherein: the air inlet valve is provided with an oil storage tank I, and the air outlet valve is provided with an oil storage tank II.
3. The engine cylinder head of claim 2, wherein: an oil separation plate is arranged between the air inlet valve and the air outlet valve, a first baffle plate is arranged between the air inlet valve and the cylinder head oil return port, and the oil separation plate, the first baffle plate and the cylinder head body form an oil storage pool I; and a second baffle is arranged between the exhaust valve and the cylinder head oil return port, and the oil separation plate, the second baffle and the cylinder head body form a second oil storage pool.
4. The engine cylinder head of claim 3, wherein: and a notch is formed in the oil separation plate.
5. The engine cylinder head of claim 4, wherein: the gap is arranged between the oil separation plate and the cylinder head body wall, and is 1-2mm wide and 3-5mm deep.
6. The engine cylinder head of claim 3,4 or 5, wherein: the distance between the first baffle plate and the second baffle plate is 18-20mm from the top wall of the cylinder head body.
7. An engine cooling system for a motor tricycle, comprising: the engine oil jet device comprises two oil holes A arranged on the combined end face of a cylinder body of a right box body of an engine, wherein two oil holes B opposite to the oil holes A are formed in a cylinder body, the oil holes B penetrate through the cylinder body, a first mounting hole and a second mounting hole on a cylinder head body are communicated with the oil holes B, engine oil flows from the two oil holes A on the right box body to the oil holes B on the cylinder body, flows from the oil holes B on the cylinder body to the first mounting hole and the second mounting hole, and then is jetted from an engine oil jet hole I arranged on the first mounting hole and an engine oil jet hole II arranged on the second mounting hole to an air inlet valve and an air outlet valve.
8. The engine cooling system of claim 7, wherein: an oil groove is formed in the right box body, wherein the two oil holes A are formed in the combined end face of the cylinder body, engine oil is communicated with each other through the two oil holes A in the right box body along the oil groove on the end face and then flows to an oil hole B in the cylinder body, the engine oil flows to a first mounting hole and a second mounting hole through the oil hole B in the cylinder body, and engine oil is injected into an air inlet valve and an air outlet valve through an engine oil injection hole I formed in the first mounting hole and an engine oil injection hole II formed in the second mounting hole.
9. An engine of a motor tricycle, which is characterized in that: comprising a cylinder head according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924865.5A CN108894886B (en) | 2018-08-14 | 2018-08-14 | Engine of motor tricycle, cylinder head and cooling system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924865.5A CN108894886B (en) | 2018-08-14 | 2018-08-14 | Engine of motor tricycle, cylinder head and cooling system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108894886A CN108894886A (en) | 2018-11-27 |
| CN108894886B true CN108894886B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810924865.5A Active CN108894886B (en) | 2018-08-14 | 2018-08-14 | Engine of motor tricycle, cylinder head and cooling system thereof |
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| CN201297190Y (en) * | 2008-10-27 | 2009-08-26 | 江门天钇金属工业有限公司 | Motorcycle engine |
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| CN208934812U (en) * | 2018-08-14 | 2019-06-04 | 重庆万虎机电有限责任公司 | The engine and its cylinder head and cooling system of a kind of motor tricycle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009045320A1 (en) * | 2009-10-05 | 2011-04-28 | Ford Global Technologies, LLC, Dearborn | Internal combustion engine with pump for pumping engine oil and method for heating the engine oil of such an internal combustion engine |
| WO2015163476A1 (en) * | 2014-04-25 | 2015-10-29 | ヤマハモーターパワープロダクツ株式会社 | Engine |
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2018
- 2018-08-14 CN CN201810924865.5A patent/CN108894886B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201297190Y (en) * | 2008-10-27 | 2009-08-26 | 江门天钇金属工业有限公司 | Motorcycle engine |
| CN203948143U (en) * | 2014-06-24 | 2014-11-19 | 力帆实业(集团)股份有限公司 | The motorcycle blower cooled engine cooling and lubricating circulatory system |
| CN105240152A (en) * | 2015-10-31 | 2016-01-13 | 中国嘉陵工业股份有限公司（集团） | Engine lubricating oil way of motorcycle |
| CN107725208A (en) * | 2017-09-22 | 2018-02-23 | 力帆实业(集团)股份有限公司 | Cooling engine for motor cycle water |
| CN208934812U (en) * | 2018-08-14 | 2019-06-04 | 重庆万虎机电有限责任公司 | The engine and its cylinder head and cooling system of a kind of motor tricycle |
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| CN108894886A (en) | 2018-11-27 |
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