CN203614256U - Double-cylinder engine cylinder cover, double-cylinder internal combustion engine and vehicle - Google Patents
Double-cylinder engine cylinder cover, double-cylinder internal combustion engine and vehicle Download PDFInfo
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- CN203614256U CN203614256U CN201320798776.3U CN201320798776U CN203614256U CN 203614256 U CN203614256 U CN 203614256U CN 201320798776 U CN201320798776 U CN 201320798776U CN 203614256 U CN203614256 U CN 203614256U
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- cylinder head
- twin
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- engine
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Abstract
The utility model discloses a double-cylinder engine cylinder cover, a double-cylinder internal combustion engine and a vehicle. The double-cylinder engine cylinder cover comprises a first exhaust passage (1) arranged on the front portion of the double-cylinder engine cylinder cover and a second exhaust passage (2) arranged on the rear portion of the double-cylinder engine cylinder cover. A first air inlet passage (3) and a second air inlet passage (4) are arranged between the first exhaust passage (1) and the second exhaust passage (2), the first exhaust passage (1) and the first air inlet passage (3) correspond to a first cylinder of the internal combustion engine, and the second exhaust passage (2) and the second air inlet passage (4) correspond to a second cylinder of the internal combustion engine. Due to the fact that the two exhaust passages are arranged on the front portion of the cylinder cover and the rear portion of the cylinder cover respectively and the two air inlet passages are arranged between the two exhaust passages, the distance between the two exhaust passages is increased, arrangement of a cooling water path is facilitated, the cooling effect is enhanced, heat loads of the cylinder cover are reduced, the risk that thermal fatigue cracks occur in the cylinder cover is lowered and the service life is prolonged.
Description
Technical field
The utility model relates to a kind of internal combustion engine component, particularly, relates to a kind of twin-tub machine cylinder head.In addition, the utility model also relates to a kind of double cylinder IC engine that this twin-tub machine cylinder head is installed.In addition, the utility model also relates to a kind of vehicle that described double cylinder IC engine is installed.
Background technique
As the core drive part of motor, the performance of internal-combustion engine is of crucial importance.
Combustion engine cylinder head is arranged on the top of cylinder, and sealing cylinder also forms firing chamber.Cylinder head often contacts with high-temperature high-pressure fuel gas, therefore bears very large heat load and mechanical load.The cylinder head inside of water cooled engine is shaped with cooling jacket, and the cooling water hole of cylinder cap lower end surface communicates with the cooling water hole of cylinder body, to utilize circulating water to carry out the high-temperature part such as cooling combustion chamber.
Cylinder head generally adopts gray cast iron or aluminum alloy to make.Along with the raising of Modern Engine power per liter, torque per liter, the heat load that cylinder head is born and mechanical load are also increasing, and cylinder head occurs that the frequency of heat fatigue cracking also improves thereupon.
In view of this, need to provide the air cylinder head structure that a kind of cooling effect is better, operating temperature is lower.
Model utility content
Problem to be solved in the utility model is to provide a kind of twin-tub machine cylinder head, and the cooling effect of this twin-tub machine cylinder head is better, operating temperature is lower.
In addition, the problem that the utility model also will solve is to provide a kind of double cylinder IC engine, and the cooling effect of the twin-tub machine cylinder head of this double cylinder IC engine is better, operating temperature is lower.
In addition, the problem that the utility model also will solve is to provide a kind of vehicle, and the cooling effect of the twin-tub machine cylinder head of the double cylinder IC engine of this vehicle is better, operating temperature is lower.
In order to address the above problem, the utility model provides a kind of twin-tub machine cylinder head, wherein, this twin-tub machine cylinder head comprises the first row air flue and the second row air flue that are separately positioned on its front and rear, and between described first row air flue and second row air flue, be provided with the first intake duct and the second intake duct, wherein said first row air flue and described the first intake duct are corresponding to the first cylinder of internal-combustion engine, and described second row air flue and described the second intake duct are corresponding to the second cylinder of internal-combustion engine.
Preferably, described first row air flue and described second row air flue are about the medial axis symmetry of this two-container cylinder lid, and described the first intake duct and described the second intake duct are about described medial axis symmetry.
Preferably, described twin-tub machine cylinder head also comprise be connected in described first row air flue downtake pipe road, be connected in second row air flue second exhaust pipe road, be connected in the first air inlet pipeline of the first intake duct and be connected in the second air inlet pipeline of the second intake duct, described downtake pipe road and described second exhaust pipe road are positioned at a side of described twin-tub machine cylinder head, and described the first air inlet pipeline and described the second air inlet pipeline are positioned at the opposite side of described twin-tub machine cylinder head.
Preferably, described twin-tub machine cylinder head also comprises the cooling water channel for cooling described air outlet flue and intake duct that is arranged on this twin-tub machine cylinder head inside, the cooling water inlet of described cooling water channel is positioned at the front end of described twin-tub machine cylinder head, and the coolant outlet of described cooling water channel is positioned at the rear end of described twin-tub machine cylinder head.
In addition, the utility model also provides a kind of double cylinder IC engine, and described double cylinder IC engine is provided with the twin-tub machine cylinder head described in above any one scheme.
In addition, the utility model also provides a kind of vehicle, and described vehicle comprises the double cylinder IC engine described in above scheme.
Pass through technique scheme, by two air outlet flues are separately positioned on to the front and rear of cylinder head and two intake ducts are set between two air outlet flues, thereby increase the distance between two air outlet flues, be beneficial to the layout of cooling water channel, strengthen cooling effect, reduce the heat load of cylinder cap, reduced the risk of cylinder head heat fatigue cracking, extended working life.
Other feature and advantage of the present utility model are described in detail the embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation of looking up according to the twin-tub machine cylinder head of a kind of embodiment of the present utility model.
Fig. 2 shows according to the sectional view of the internal structure of the twin-tub machine cylinder head of a kind of embodiment of the present utility model.
Description of reference numerals
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, one end of the noun of locality using contiguous flywheel and speed changer while being arranged on internal-combustion engine as " rear end II " refers to cylinder head, " front end I " is cylinder head one end away from flywheel and speed changer while being arranged on internal-combustion engine.In addition, in order to express conveniently, used the term such as " first " and " second " herein, but these should not be understood as to restriction of the present utility model.
As shown in Figure 1, a kind of twin-tub machine cylinder head, this twin-tub machine cylinder head comprises the first row air flue 1 and the second row air flue 2 that are separately positioned on its front and rear, and between described first row air flue 1 and second row air flue 2, be provided with the first intake duct 3 and the second intake duct 4, wherein first row air flue 1 and the first intake duct 3 are corresponding to the first cylinder of internal-combustion engine, and second row air flue 2 and the second intake duct 4 are corresponding to the second cylinder of internal-combustion engine.
First row air flue 1 and second row air flue 2 are separately positioned on to the front and rear of described two-container cylinder lid, increase the distance between two air outlet flues, be beneficial to the layout of cooling water channel, make the cooling effect of cylinder head be better than the staggered arrangement of traditional intake and exhaust port, reduce the heat load of cylinder cap, reduced the risk of cylinder head heat fatigue cracking.
According to a kind of embodiment of the present utility model, first row air flue 1 and second row air flue 2 are about medial axis 7 symmetries of this two-container cylinder lid, and the first intake duct 3 and the second intake duct 4 are about medial axis 7 symmetries.
According to a kind of embodiment of the present utility model, as shown in Figure 2, described twin-tub machine cylinder head also comprise be connected in first row air flue 1 downtake pipe road 11, be connected in second row air flue 2 second exhaust pipe road 21, be connected in the first air inlet pipeline 31 of the first intake duct 3 and be connected in the second air inlet pipeline 41 of the second intake duct 4, described downtake pipe road 11 and described second exhaust pipe road 21 are positioned at a side of described twin-tub machine cylinder head, and described the first air inlet pipeline 31 and described the second air inlet pipeline 41 are positioned at the opposite side of described twin-tub machine cylinder head.Adopt such design can avoid the gas that discharge on downtake pipe road 11 and second exhaust pipe road 21 to heat the fresh air being entered by the first air inlet pipeline 31 and the second air inlet pipeline 41, therefore can reduce intake temperature, improve air inlet volumetric efficiency, the air that enters firing chamber under identical operating mode increases, make burning more abundant, reduced the discharge amount of exhaust contaminant.
According to a kind of embodiment of the present utility model, as shown in Figure 2, described twin-tub machine cylinder head also comprises the cooling water channel for cooling described air outlet flue and intake duct that is arranged on this twin-tub machine cylinder head inside, the cooling water inlet 5 of described cooling water channel is positioned at the front end of described twin-tub machine cylinder head, and the coolant outlet 6 of described cooling water channel is positioned at the rear end of described twin-tub machine cylinder head.As main thermal source, between first row air flue 1 and second row air flue 2, there is sufficient distance, therefore there is sufficient space to arrange cooling water channel, the gas of cooling discharge better, reduce the temperature of cylinder head, reduce the heat load of cylinder cap, reduced the risk of cylinder head heat fatigue cracking, extended working life.
In addition, the utility model also provides a kind of double cylinder IC engine, and this double cylinder IC engine is provided with the twin-tub machine cylinder head described in above any one scheme.
In addition, the utility model also provides a kind of vehicle, and this vehicle comprises above-described double cylinder IC engine.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between various mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (6)
1. a twin-tub machine cylinder head, it is characterized in that, this twin-tub machine cylinder head comprises the first row air flue (1) and the second row air flue (2) that are separately positioned on its front and rear, and between described first row air flue (1) and second row air flue (2), be provided with the first intake duct (3) and the second intake duct (4), wherein said first row air flue (1) and described the first intake duct (3) are corresponding to the first cylinder of internal-combustion engine, and described second row air flue (2) and described the second intake duct (4) are corresponding to the second cylinder of internal-combustion engine.
2. twin-tub machine cylinder head according to claim 1, it is characterized in that, described first row air flue (1) and described second row air flue (2) are about medial axis (7) symmetry of this two-container cylinder lid, and described the first intake duct (3) and described the second intake duct (4) are about described medial axis (7) symmetry.
3. twin-tub machine cylinder head according to claim 1, it is characterized in that, described twin-tub machine cylinder head also comprises the downtake pipe road (11) that is connected in described first row air flue (1), be connected in the second exhaust pipe road (21) of second row air flue (2), be connected in first air inlet pipeline (31) of the first intake duct (3) and be connected in second air inlet pipeline (41) of the second intake duct (4), described downtake pipe road (11) and described second exhaust pipe road (21) are positioned at a side of described twin-tub machine cylinder head, described the first air inlet pipeline (31) and described the second air inlet pipeline (41) are positioned at the opposite side of described twin-tub machine cylinder head.
4. twin-tub machine cylinder head according to claim 1, it is characterized in that, described twin-tub machine cylinder head also comprises the cooling water channel for cooling described air outlet flue and intake duct that is arranged on this twin-tub machine cylinder head inside, the cooling water inlet (5) of described cooling water channel is positioned at the front end of described twin-tub machine cylinder head, and the coolant outlet (6) of described cooling water channel is positioned at the rear end of described twin-tub machine cylinder head.
5. a double cylinder IC engine, is characterized in that, described double cylinder IC engine is provided with the twin-tub machine cylinder head described in claim 1-4 any one.
6. a vehicle, is characterized in that, described vehicle comprises double cylinder IC engine claimed in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798776.3U CN203614256U (en) | 2013-12-05 | 2013-12-05 | Double-cylinder engine cylinder cover, double-cylinder internal combustion engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798776.3U CN203614256U (en) | 2013-12-05 | 2013-12-05 | Double-cylinder engine cylinder cover, double-cylinder internal combustion engine and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203614256U true CN203614256U (en) | 2014-05-28 |
Family
ID=50766907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320798776.3U Expired - Fee Related CN203614256U (en) | 2013-12-05 | 2013-12-05 | Double-cylinder engine cylinder cover, double-cylinder internal combustion engine and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203614256U (en) |
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2013
- 2013-12-05 CN CN201320798776.3U patent/CN203614256U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140528 Termination date: 20181205 |