CN208267970U - A kind of cylinder head of gasoline engine - Google Patents
A kind of cylinder head of gasoline engine Download PDFInfo
- Publication number
- CN208267970U CN208267970U CN201820697813.4U CN201820697813U CN208267970U CN 208267970 U CN208267970 U CN 208267970U CN 201820697813 U CN201820697813 U CN 201820697813U CN 208267970 U CN208267970 U CN 208267970U
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- support
- exhaust
- rocker arm
- rocking bar
- pin shaft
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Abstract
The utility model discloses a kind of cylinder head of gasoline engine, including cylinder cover ontology and housing, cylinder cover ontology includes air intake duct, inlet valve conduit, exhaust duct, exhaust valve guide, intake rocker and exhaust rocker arm, intake rocker support and exhaust rocker arm support include preceding support and rear support, intake rocker and exhaust rocker arm include axis pin base, left rocking bar and right rocking bar, the preceding support of pin shaft hole and intake rocker support on intake rocker axis pin base and the pin shaft hole on rear support top are on pin shaft one, the preceding support of pin shaft hole and exhaust rocker arm support on exhaust rocker arm axis pin base and the pin shaft hole on rear support top are on pin shaft two, the guide rod of inlet valve withstands on the other end of the left rocking bar of intake rocker, the other end of the right rocking bar of intake rocker withstands on the push rod upper end of inlet valve, the guide rod of exhaust valve withstands on the other end of the right rocking bar of exhaust rocker arm, row The other end of the left rocking bar of gas rocker arm withstands on the push rod upper end of exhaust valve.
Description
Technical field
The utility model relates to a kind of cylinder head of gasoline engine.
Background technique
A kind of existing general gasoline engines, containing cylinder-crankcase, which includes cylinder block and crankcase.
Cylinder block is located at the side of crankcase, and cylinder block and crankcase are a whole structure.Cylinder block includes cylinder body and cylinder
Lid.Cylinder cover includes cylinder cover ontology and housing.Cylinder cover ontology includes air intake duct, inlet valve conduit, exhaust duct and exhaust valve
Conduit, the guide rod of inlet valve and the guide rod of exhaust valve are installed on respectively in inlet valve conduit and exhaust valve guide.Cylinder cover ontology
Lower end surface be equipped with concave surface, air intake duct, inlet valve conduit, exhaust duct and exhaust valve guide interlink with the concave surface.Cylinder
The upper surface of lid ontology is equipped with cavity, is respectively equipped with intake rocker support and exhaust rocker arm support, intake rocker in the cavity
Support and exhaust rocker arm support are column structure, and the middle part of intake rocker and exhaust rocker arm passes through pin shaft and intake rocker respectively
The upper end of support and exhaust rocker arm support upper end are constituted hingedly, and the guide rod of inlet valve and the guide rod of exhaust valve withstand on air inlet respectively and shake
The other end of one end of arm one end and exhaust rocker arm, the intake rocker other end and exhaust rocker arm is withstood on respectively on the push rod of inlet valve
The push rod upper end at end and exhaust valve, the push rod lower end of inlet valve and the push rod lower end of exhaust valve are convex with two on camshaft respectively
Wheel is in contact.Since intake rocker and exhaust rocker arm are respectively between the upper end of intake rocker support and exhaust rocker arm support upper end
Connection be realized by pin shaft it is hinged, intake rocker and exhaust rocker arm during shake there are lateral sliding phenomenon, because
The accuracy that this causes cam profile operation transmitting is poor, to affect the normal operation of above-mentioned general gasoline engines.Simultaneously
Above-mentioned intake rocker and the exhaust rocker arm articulated structure between intake rocker support upper end and exhaust rocker arm support upper end respectively,
Poor rigidity, it is easy to damage.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of cylinder head of gasoline engine, the cylinder head of gasoline engine can gram
Intake rocker and exhaust rocker arm existing lateral sliding phenomenon during shake are taken, to ensure the normal fortune of general gasoline engines
Row.
In order to solve the above technical problems, a kind of cylinder head of gasoline engine of the utility model, including cylinder cover ontology and housing, vapour
Cylinder cap ontology includes air intake duct, inlet valve conduit, exhaust duct, exhaust valve guide, intake rocker and exhaust rocker arm, and inlet valve is led
The guide rod of bar and exhaust valve is installed in inlet valve conduit and exhaust valve guide respectively, and the lower end surface of cylinder cover ontology is equipped with recessed
Face, air intake duct, inlet valve conduit, exhaust duct and exhaust valve guide interlink with the concave surface, and housing is arranged in cylinder cover ontology
Upper end, the upper surface of cylinder cover ontology is equipped with cavity, is respectively equipped with intake rocker support and exhaust rocker arm branch in the cavity
Seat, the intake rocker support and exhaust rocker arm support include preceding support and rear support, and the top of preceding support and rear support is equal
Equipped with pin shaft hole, the intake rocker and exhaust rocker arm include axis pin base, left rocking bar and right rocking bar, one end and the right side of left rocking bar
One end of rocking bar is separately positioned on the right and left of axis pin base, and axis pin base is equipped with pin shaft hole, and the intake rocker and exhaust are shaken
The symmetrical configuration of arm, intake rocker axis pin base are located between the preceding support and rear support of intake rocker support, intake rocker pin shaft
The preceding support of pin shaft hole and intake rocker support on seat and the pin shaft hole on rear support top are on pin shaft one, exhaust rocker arm pin
Axle bed is located between the preceding support and rear support of exhaust rocker arm support, the pin shaft hole on exhaust rocker arm axis pin base and exhaust rocker arm branch
On pin shaft two, the guide rod of inlet valve withstands on the another of the left rocking bar of intake rocker for the preceding support of seat and the pin shaft hole on rear support top
The other end of one end, the right rocking bar of intake rocker withstands on the push rod upper end of inlet valve, and the guide rod of exhaust valve withstands on the exhaust rocker arm right side and shakes
The other end of the other end of bar, the left rocking bar of exhaust rocker arm withstands on the push rod upper end of exhaust valve.
Axis pin base, left rocking bar and the right rocking bar that the intake rocker and exhaust rocker arm include are integral structure.
Axis pin base, left rocking bar and the right rocking bar that the intake rocker and exhaust rocker arm include are integral stamping parts.
One end of the pin shaft one and pin shaft two is respectively equipped with the shaft shoulder, inner wall of the shaft shoulder close to the housing.
The intake rocker support being respectively equipped in cavity on cylinder cover ontology upper surface and exhaust rocker arm support institute
Including preceding support and rear support, using integral casting forming.
The angle constituted between the inlet valve conduit and exhaust manifolds axis is 30 degree.
In above-mentioned cylinder head of gasoline engine, since intake rocker passes through the preceding support and rear support of intake rocker support respectively
Front and back support, exhaust rocker arm passes through the front and back support of the preceding support and rear support of exhaust rocker arm support respectively, therefore shaking
During accurate positioning, to eliminate intake rocker and exhaust rocker arm existing lateral sliding phenomenon during shake,
The accuracy that ensure that cam profile operation transmitting simultaneously, to ensure the normal operation of general gasoline engines.Simultaneously because air inlet
Rocker arm and exhaust rocker arm be all made of both-end support, therefore intake rocker and exhaust rocker arm respectively with intake rocker support upper end and row
Hinged good rigidity between gas rocker arm support upper end, is hardly damaged, long service life.
Detailed description of the invention
Fig. 1 is a kind of cylinder head of gasoline engine structural schematic diagram of the utility model；
Fig. 2 is a kind of structural schematic diagram of the cylinder head of gasoline engine of the utility model after laying down the cover.
Specific embodiment
In Fig. 1 and Fig. 2, a kind of cylinder head of gasoline engine, including cylinder cover ontology 2 and housing 1.2 body of cylinder cover sheet include into
Air flue 3, inlet valve conduit, exhaust duct 4, exhaust valve guide, intake rocker and exhaust rocker arm 14.The guide rod 5 of inlet valve and exhaust
The guide rod 6 of door is installed on respectively in inlet valve conduit and exhaust valve guide.The lower end surface of cylinder cover ontology 2 is equipped with concave surface, into
Air flue 3, inlet valve conduit, exhaust duct 4 and exhaust valve guide interlink with the concave surface.Cylinder cover ontology 2 is arranged in housing 1
Upper end.The upper surface of cylinder cover ontology 2 is equipped with cavity, is respectively equipped with intake rocker support and exhaust rocker arm branch in the cavity
Seat, the intake rocker support and exhaust rocker arm support include preceding support and rear support.The i.e. described intake rocker support includes
Preceding support and rear support, exhaust rocker arm support include preceding support and rear support.As shown in Fig. 2, intake rocker support includes preceding branch
Seat 9 and rear support 10, exhaust rocker arm support include preceding support 15 and rear support 13.9 He of preceding support that intake rocker support includes
Rear support 10 is equipped with pin shaft hole, and the preceding support 15 and rear support 13 that exhaust rocker arm support includes are equipped with pin shaft hole.It is described into
Gas rocker arm and exhaust rocker arm 14 include axis pin base, left rocking bar and right rocking bar.The structure of the intake rocker and exhaust rocker arm 14
Symmetrically.By taking intake rocker as an example, intake rocker includes axis pin base 11, left rocking bar 7 and right rocking bar 12, one end and the right side of left rocking bar 7
One end of rocking bar 12 is separately positioned on the right and left of axis pin base 11, and axis pin base 11 is equipped with pin shaft hole.Intake rocker axis pin base
11 are located between the preceding support 9 and rear support 10 of intake rocker support, and the pin shaft hole on intake rocker axis pin base 11 shakes with air inlet
The pin shaft hole on 10 top of preceding support 9 and rear support of arm support is on pin shaft 1.14 axis pin base of exhaust rocker arm is located at exhaust and shakes
Between the preceding support 15 and rear support 13 of arm support.The preceding support of pin shaft hole and exhaust rocker arm support on exhaust rocker arm axis pin base
15 and 13 top of rear support pin shaft hole on the pin shaft 2 16.The guide rod 5 of inlet valve withstands on the another of the left rocking bar 7 of intake rocker
End, the other end of the right rocking bar 12 of intake rocker withstand on the push rod upper end of inlet valve.It is right that the guide rod 6 of exhaust valve withstands on exhaust rocker arm 14
The other end of the other end of rocking bar, the left rocking bar of exhaust rocker arm 14 withstands on the push rod upper end of exhaust valve.The push rod lower end of inlet valve and
The push rod lower end of exhaust valve is in contact with two cams on camshaft respectively.
For the ease of production, axis pin base, left rocking bar and the right rocking bar that the intake rocker and exhaust rocker arm 14 include are one
Overall structure.
In order to reduce production cost, axis pin base, left rocking bar and right rocking bar that the intake rocker and exhaust rocker arm 14 include
It is integral stamping parts.
In order to simplify the position limiting structure that pin shaft 1 and pin shaft 2 16 move axially, the pin shaft 1 and pin shaft 2 16
One end is respectively equipped with the shaft shoulder, inner wall of the shaft shoulder close to the housing 1.
To reduce production cost and convenient for manufacture, be respectively equipped in the cavity on 2 upper surface of cylinder cover ontology into
Preceding support and rear support included by gas rocker arm support and exhaust rocker arm support, using integral casting forming.
Improve aeration quantity, hoisting power and reduction fuel consumption, structure between the inlet valve conduit and exhaust manifolds axis
At angle be 30 degree.
In above-mentioned cylinder head of gasoline engine, since intake rocker passes through the preceding support and rear support of intake rocker support respectively
Front and back support, exhaust rocker arm 14 shaking respectively by the support of the front and back of the preceding support of exhaust rocker arm support and rear support
Accurate positioning in dynamic process, so that it is existing to eliminate intake rocker and exhaust rocker arm 14 existing lateral sliding during shake
As, while ensure that the accuracy of cam profile operation transmitting, to ensure the normal operation of general gasoline engines.Simultaneously because
Intake rocker and exhaust rocker arm 14 be all made of both-end support, therefore intake rocker and exhaust rocker arm 14 respectively with intake rocker support
Hinged good rigidity between upper end and exhaust rocker arm support upper end, is hardly damaged, long service life.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (6)
1. a kind of cylinder head of gasoline engine, including cylinder cover ontology and housing, cylinder cover ontology include air intake duct, inlet valve conduit,
Exhaust duct, exhaust valve guide, intake rocker and exhaust rocker arm, the guide rod of inlet valve and the guide rod of exhaust valve are installed on air inlet respectively
In door conduit and exhaust valve guide, the lower end surface of cylinder cover ontology is equipped with concave surface, air intake duct, inlet valve conduit, exhaust duct and
Exhaust valve guide interlinks with the concave surface, and the upper end of cylinder cover ontology is arranged in housing, sets on the upper surface of cylinder cover ontology
There is cavity, intake rocker support and exhaust rocker arm support are respectively equipped in the cavity, it is characterised in that: the intake rocker support
It include preceding support and rear support with exhaust rocker arm support, the top of preceding support and rear support is equipped with pin shaft hole, the air inlet
Rocker arm and exhaust rocker arm include axis pin base, left rocking bar and right rocking bar, and one end of one end of left rocking bar and right rocking bar is respectively set
In the right and left of axis pin base, axis pin base is equipped with pin shaft hole, the symmetrical configuration of the intake rocker and exhaust rocker arm, and air inlet is shaken
Arm axis pin base is located between the preceding support and rear support of intake rocker support, and the pin shaft hole on intake rocker axis pin base shakes with air inlet
On pin shaft one, exhaust rocker arm axis pin base is located at exhaust rocker arm support for the preceding support of arm support and the pin shaft hole on rear support top
Preceding support and rear support between, on the preceding support and rear support of pin shaft hole on exhaust rocker arm axis pin base and exhaust rocker arm support
For the pin shaft hole in portion on pin shaft two, the guide rod of inlet valve withstands on the other end of the left rocking bar of intake rocker, the right rocking bar of intake rocker
The other end withstand on the push rod upper end of inlet valve, the guide rod of exhaust valve withstands on the other end of the right rocking bar of exhaust rocker arm, exhaust rocker arm
The other end of left rocking bar withstands on the push rod upper end of exhaust valve.
2. a kind of cylinder head of gasoline engine according to claim 1, it is characterised in that: the intake rocker and exhaust rocker arm packet
Axis pin base, left rocking bar and the right rocking bar included is integral structure.
3. a kind of cylinder head of gasoline engine according to claim 1, it is characterised in that: the intake rocker and exhaust rocker arm packet
Axis pin base, left rocking bar and the right rocking bar included is integral stamping parts.
4. a kind of cylinder head of gasoline engine according to claim 1, it is characterised in that: one end of the pin shaft one and pin shaft two
It is respectively equipped with the shaft shoulder, inner wall of the shaft shoulder close to the housing.
5. a kind of cylinder head of gasoline engine according to claim 1, it is characterised in that: on cylinder cover ontology upper surface
Preceding support and rear support included by the intake rocker support and exhaust rocker arm support being respectively equipped in cavity, using monoblock cast
Molding.
6. a kind of cylinder head of gasoline engine according to claim 1, it is characterised in that: the inlet valve conduit and exhaust manifolds
The angle constituted between axis is 30 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820697813.4U CN208267970U (en) | 2018-05-11 | 2018-05-11 | A kind of cylinder head of gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820697813.4U CN208267970U (en) | 2018-05-11 | 2018-05-11 | A kind of cylinder head of gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208267970U true CN208267970U (en) | 2018-12-21 |
Family
ID=64682363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820697813.4U Active CN208267970U (en) | 2018-05-11 | 2018-05-11 | A kind of cylinder head of gasoline engine |
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| CN (1) | CN208267970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237077A (en) * | 2019-09-11 | 2020-06-05 | 浙江康思特动力机械有限公司 | Cylinder cover with multiple cooling air channels |
-
2018
- 2018-05-11 CN CN201820697813.4U patent/CN208267970U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237077A (en) * | 2019-09-11 | 2020-06-05 | 浙江康思特动力机械有限公司 | Cylinder cover with multiple cooling air channels |
| CN111237077B (en) * | 2019-09-11 | 2024-04-16 | 浙江康思特动力机械有限公司 | Cylinder cover provided with multiple cooling air channels |
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