CN208934814U - A kind of engine and its cylinder head of the motor tricycle suitable for mountain area - Google Patents
A kind of engine and its cylinder head of the motor tricycle suitable for mountain area Download PDFInfo
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- CN208934814U CN208934814U CN201821257027.9U CN201821257027U CN208934814U CN 208934814 U CN208934814 U CN 208934814U CN 201821257027 U CN201821257027 U CN 201821257027U CN 208934814 U CN208934814 U CN 208934814U
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- cylinder head
- baffle
- oil
- storage pool
- engine
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of engine cylinder heads of motor tricycle suitable for mountain area, including cylinder head ontology, inlet channel and exhaust passage are provided on the cylinder head ontology, oil storage pool one is formed in the inlet channel outer, it is formed with oil storage pool two in the exhaust passage outer, the notch of connection is provided between the oil storage pool one and the oil storage pool two.Cooling effect and lubricant effect can be improved in the cylinder head of the utility model.
Description
Technical field:
The utility model relates to the engines and its cylinder head of a kind of motor tricycle suitable for mountain area.
Background technique:
The heat engine part of engine for motorcycle includes cylinder, and the cylinder includes cylinder block, cylinder head and cylinder cap,
In in the cylinder block be provided with intake and exhaust valves, input and the exhaust gas of air are realized by intake and exhaust valves
Discharge, therefore the temperature at engine intake valve and exhaust valve is very high, furthermore, valve need ceaselessly to move up and down with
It realizes exchanging for air and exhaust gas in engine cylinder body, is provided with spring on valve stem to realize the reciprocating motion of valve, because
This valve and spring need cooling well and lubrication.
And existing air cylinder head structure cannot realize the lubrication and cooling of intake and exhaust valves well, especially on mountain
Area in use, due to operating condition particularity, it is excessive often to will appear valve fracture, oil consumption in use for some time
Problem, wherein failure ranks first the problem of valve fracture.
The structure of existing cylinder head is as shown in Figure 1.When motor tricycle is when going up a slope, there are valve bullets for air cylinder head structure
The bad problem of spring, valve guide bushing lubrication.Cylinder head is also easy to cause valve bullet since cooling is very poor with lubricant effect
Spring force degradation, causes valve to fly off, and valve playback is accurate not in time, interferes inlet and exhaust valve pan portion, causes valve fracture etc.
Serious problems.When motor tricycle is in descending, ask there is also the lubrication of inlet-valve spring, inlet valve conduit is not in place etc.
Topic.In addition, machine oil long resident can not be discharged at exhaust valve in parking, cause oil storage temperature higher, machine oil is easy to become
Matter.
Utility model content:
The purpose of this utility model is to provide a kind of cylinder heads for improving valve reliability.
In order to achieve the above object, the utility model is realized in this way: a kind of motor tricycle suitable for mountain area
Engine cylinder head, including cylinder head ontology are provided with inlet channel and exhaust passage on the cylinder head ontology, logical in the air inlet
Road outer is formed with oil storage pool one, is formed with oil storage pool two, the oil storage pool one and the oil storage in the exhaust passage outer
The notch of connection is provided between pond two.The lubrication and cooling effect of intake and exhaust valves can be improved using above-mentioned set-up mode
Fruit avoids valve from being broken, and improves the reliability of valve.In addition above-mentioned set-up mode can also reduce the consumption of machine oil.
Preferably, it is provided with oil separating plate between the inlet channel and exhaust passage, in the inlet channel and cylinder head
Baffle one is provided between oil return opening, the oil separating plate, baffle one and cylinder head ontology form oil storage pool one；In the exhaust passage
Baffle two is provided between cylinder head oil return opening, the oil separating plate, baffle two and cylinder head ontology form oil storage pool two.
Preferably, baffle one is arranged between rocker arm mounting base and cylinder head body wall, and the setting of baffle two is pacified in rocker arm
It fills between seat and cylinder head body wall.
Preferably, the notch on the oil separating plate.
Preferably, the notch is arranged between oil separating plate and cylinder head body wall, the wide 1-2mm of notch, deep 3-5mm.
Preferably, the oil removal plate thickness 1.5mm.
Preferably, the baffle one and baffle two are away from being 18-20mm at a distance from cylinder head ontology roof.
A kind of engine for motorcycle, including cylinder head described above.
The utility model has the advantages that
1, the operating conditions such as climb and fall and level road are adapted to, it can sufficient lubrication valve spring, valve stem and valve.And this
The cylinder head of utility model adapts to 15 ° of mountain area climb and fall, low speed, high revolving speed, the operating condition of big load.
2, enter combustion chamber without excessive machine oil in the process of running, oil consumption is few, and test result shows this knot
The oil consumption of structure is reduced up to 3.7%.
3, because the oil reserve of cylinder head increases 60-80mL, the oil temperature near cylinder head exhaust valve can reduce by 7 DEG C, no
It will cause machine oil rapid deterioration, extend the service life of machine oil.
4, the valve fracture probability of malfunction of engine is obviously reduced, and improves the operational reliability of valve, further increases
The reliability of engine.
Detailed description of the invention:
Fig. 1 is existing air cylinder head structure figure；
Fig. 2 is the air cylinder head structure figure of the utility model；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the B-B cross-sectional view of Fig. 2.
Specific embodiment:
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, but the utility model
These embodiments are not limited to, any improvement or replacement on the present embodiment essence spirit still falls within the utility model
Claim range claimed.
Embodiment: as shown in Fig. 2,3 and 4, a kind of engine cylinder head of the motor tricycle suitable for mountain area, including cylinder
Head ontology 1, is provided with inlet channel 2 and exhaust passage 3 on the cylinder head ontology, in actual use, in inlet channel
With setting valve stem and spring is also needed in exhaust passage.
Wherein, it is formed with oil storage pool 1 in the inlet channel outer, is formed with oil storage pool in the exhaust passage outer
25, the notch 6 of connection is provided between the oil storage pool one and the oil storage pool two.
It enables to intake and exhaust valves infiltration among machine oil by above setting, guarantees intake and exhaust valves
Fully it can lubricate and cool down, ensure that the force value of spring, avoid the interference problem between valve fracture or valve retainer.
Wherein, oil storage pool can be formed by the way that the cavity wall of inlet channel and exhaust passage surrounding is arranged in.In the present embodiment,
It is provided with oil separating plate 7 between the inlet channel 2 and exhaust passage 3, is set between the inlet channel and cylinder head oil return opening
It is equipped with baffle 1, the oil separating plate 7, baffle 1 and cylinder head body wall form oil storage pool 1；In the exhaust passage and cylinder head
Baffle 29 is provided between oil return opening, the oil separating plate 7, baffle 29 and cylinder head ontology form oil storage pool 25.
Wherein the baffle one and baffle two are arranged between rocker arm mounting base and cylinder head body wall, and one He of baffle
There are gaps between baffle two and cylinder head roof, in order to which machine oil flow to machine oil refluxing opening by oil storage pool one and oil storage pool two.
Wherein, baffle one is stated with baffle two away from being 18-20mm at a distance from cylinder head ontology roof, be may be selected but is not limited to
18mm, 19mm or 20mm.In the present embodiment, the baffle one and cylinder head ontology roof distance L1 are 20mm, the baffle
Two with cylinder head ontology roof distance L2 be 19mm.
In the present embodiment, the oil separating plate is arranged between rocker arm mounting base and cylinder head body wall, preferably it is described every
Certain gap is set between oiled-plate method and cylinder head ontology roof.And the notch is arranged on oil separating plate, specifically, described lack
Mouth is arranged between oil separating plate and cylinder head body wall, and the wide 1-2mm of notch, deep 3-5mm, the oil separating plate is with a thickness of 1.5mm.
Wherein, the gap width may be selected but be not limited to 1mm, 1.5mm, 2mm, and the notch depth, that is, notch bottom surface is extremely
The distance of cylinder head top surface may be selected but be not limited to 3mm, 4mm or 5mm.
In the present embodiment, the gap width L3 is 1.5mm, and the notch L4 depth is 5mm.
Using the engine cylinder head of the motor tricycle suitable for mountain area of the present embodiment, in engine working process
In, machine oil by carrying out oil injection to intake and exhaust valves at the top of cylinder cap, assemble in oil storage pool one and oil storage pool two by machine oil,
Intake and exhaust valves adequately can be lubricated and be cooled down, it can be by baffle one and baffle two when gathering certain altitude
Top flow to oil inlet refluxing opening 10, therefore either up-hill journey, descent run or flat pavement running, is arranged on inlet and exhaust valve
Valve stem and spring can access adequately lubrication and cooling.In addition, can exist in oil storage pool one certain in parking
Machine oil may make the machine oil of storage to flow to exhaust valve by inlet valve by notch, i.e., is flowed from high side to downside, reduce exhaust
Door nearby stores the temperature of oil.
To sum up, the cylinder head of the present embodiment adapts to the operating conditions such as climb and fall and level road, can sufficient lubrication valve bullet
Spring, valve stem and valve.And the cylinder head of the present embodiment adapts to 15 ° of mountain area climb and fall, low speed, high revolving speed, big load
Operating condition.
And entering combustion chamber without excessive machine oil in the process of running, oil consumption is few, and test result shows this knot
The oil consumption of structure is reduced up to 3.7%.
Air cylinder head structure through this embodiment also may make the oil temperature near cylinder head exhaust valve that can reduce by 7 DEG C,
It not will cause machine oil rapid deterioration, extend the service life of machine oil.
Importantly, improving the operational reliability of valve, the reliability of engine is further improved, so that starting
The valve fracture probability of malfunction of machine is obviously reduced, this not only increases operational safety performance, even more improves peace for driver
All risk insurance barrier.
Claims (11)
1. a kind of engine cylinder head of the motor tricycle suitable for mountain area, including cylinder head ontology, set on the cylinder head ontology
It is equipped with inlet channel and exhaust passage, oil storage pool one is formed in the inlet channel outer, in exhaust passage outer shape
At there is oil storage pool two, the notch of connection is provided between the oil storage pool one and the oil storage pool two.
2. engine cylinder head as described in claim 1, it is characterised in that: set between the inlet channel and exhaust passage
It is equipped with oil separating plate, baffle one, the oil separating plate, baffle one and cylinder head are provided between the inlet channel and cylinder head oil return opening
Ontology forms oil storage pool one；Baffle two, the oil separating plate, baffle two are provided between the exhaust passage and cylinder head oil return opening
Oil storage pool two is formed with cylinder head ontology.
3. engine cylinder head as claimed in claim 2, it is characterised in that: baffle one is arranged in rocker arm mounting base and cylinder head sheet
Between body wall, the baffle two is arranged between rocker arm mounting base and cylinder head body wall.
4. engine cylinder head as claimed in claim 2 or claim 3, it is characterised in that: the notch is arranged on the oil separating plate.
5. engine cylinder head as claimed in claim 4, it is characterised in that: the notch is arranged in oil separating plate and cylinder head ontology
Between wall, the wide 1-2mm of notch, deep 3-5mm.
6. the engine cylinder head as described in claim 2,3 or 5, it is characterised in that: the oil removal plate thickness 1.5mm.
7. engine cylinder head as claimed in claim 4, it is characterised in that: the oil removal plate thickness 1.5mm.
8. the engine cylinder head as described in claim 2,3 or 5, it is characterised in that: the baffle one is with baffle two away from cylinder head
The distance of ontology roof is 18-20mm.
9. engine cylinder head as claimed in claim 4, it is characterised in that: the baffle one is with baffle two away from cylinder head ontology top
The distance of wall is 18-20mm.
10. engine cylinder head as claimed in claim 7, it is characterised in that: the baffle one is with baffle two away from cylinder head ontology
The distance of roof is 18-20mm.
11. a kind of engine for motorcycle, it is characterised in that: including cylinder head of any of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821257027.9U CN208934814U (en) | 2018-08-06 | 2018-08-06 | A kind of engine and its cylinder head of the motor tricycle suitable for mountain area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821257027.9U CN208934814U (en) | 2018-08-06 | 2018-08-06 | A kind of engine and its cylinder head of the motor tricycle suitable for mountain area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208934814U true CN208934814U (en) | 2019-06-04 |
Family
ID=66717163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821257027.9U Active CN208934814U (en) | 2018-08-06 | 2018-08-06 | A kind of engine and its cylinder head of the motor tricycle suitable for mountain area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208934814U (en) |
-
2018
- 2018-08-06 CN CN201821257027.9U patent/CN208934814U/en active Active
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