CN207348921U - A kind of oil passage to rocker shaft optimizes structure - Google Patents
A kind of oil passage to rocker shaft optimizes structure Download PDFInfo
- Publication number
- CN207348921U CN207348921U CN201720962795.3U CN201720962795U CN207348921U CN 207348921 U CN207348921 U CN 207348921U CN 201720962795 U CN201720962795 U CN 201720962795U CN 207348921 U CN207348921 U CN 207348921U
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- CN
- China
- Prior art keywords
- oil
- rocker arm
- arm shaft
- rocker
- shaft
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- 238000005457 optimization Methods 0.000 claims abstract description 13
- 239000000446 fuel Substances 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 238000003032 molecular docking Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 73
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a kind of oil passage to rocker shaft optimization structure, including rocker arm shaft and the rocker arm shaft oil supplying hole that is distributed on rocker arm shaft, it is critical that being equipped with the oil groove to rocker arm shaft internal recess at rocker arm shaft oil supplying hole.Increase oil groove at rocker arm shaft oil supplying hole, after rocker arm shaft is assembled with rocking arm; the oilhole on rocking arm is corresponding with oil groove; coordinate original hole hole and be improved to hole slot cooperation; the docking and perforation for making oil circuit are more easily implemented, so that the problem of supplying shortage of oil caused by significantly reducing the dislocation that rocking arm swing is brought during work, makes hydraulic tappet abnormal sound problem substantially be solved; and overall dimensions are easier to be controlled, while can suitably reduce machining accuracy and then reduce processing cost.
Description
Technical field
The utility model belongs to engine design field, specifically, the utility model is related to a kind of rocker arm shaft
Oil circuit optimizes structure.
Background technology
In recent years, as the improvement of people's living standards, automobile demand amount is increasing, the requirement to engine is also more next
It is higher.Meanwhile warming increasingly with the earth, the environmental consciousness of people also gradually strengthen, take a series of to reduce automobile
Measure for the purpose of CO2 emission, such as reduces fuel oil consumption, exhaust gas purification, improves reuse ratio and reduces pollution environment,
Especially in terms of oil consumption is reduced, with the development and application of the new technologies such as direct-injection, supercharging, variable valve actuator for air, composite power automobile,
Engine component design is restricted by space layout and complexity, with the maturation of technology, some it is complex or
The design for being difficult to arrange in the past is also gradually applied, these applications bring very big effect to the structure design, technique, cost of product
Benefit.
The engine of SOHC types valve mechanism arrangement is when being changed to hydraulic tappet design, it is necessary to which very complicated oil circuit is set
Meter and transmission, particularly when the oil circuit of rocker arm shaft and rocking arm hydraulic tappet, which docks, to be transmitted, typically using rocker arm shaft oilhole pair
The oilhole on Rocker arm assembly is answered, coordinating by hole hole makes oil circuit dock and penetrate through, so as to fulfill the normal work of rocking arm hydraulic tappet
Make.But this docking transmission is influenced to be easy to misplace be subject to machine adduction build-up tolerance, while rocking arm is done on rocker arm shaft
The amplitude of oscillation is moved, and the hydraulic tappet repairing on rocking arm can be made extremely difficult, is caused hydraulic tappet effect to reduce, is ultimately resulted in engine
Abnormal sound.
The content of the invention
The purpose of this utility model is to propose a kind of oil passage to rocker shaft optimization structure, to be shaken when making up axial gap and work
The dislocation that arm swing is brought, ensures that rocking arm hydraulic tappet fuel feeding is more abundant, so that rocking arm hydraulic tappet abnormal sound problem is had
Effect solves, while can suitably reduce machining accuracy and then reduce processing cost.
The technical solution adopted in the utility model is：A kind of oil passage to rocker shaft optimizes structure, including rocker arm shaft and is distributed in
Rocker arm shaft oil supplying hole on rocker arm shaft, the oil groove to the rocker arm shaft internal recess is equipped with the rocker arm shaft oil supplying hole.Rocking arm
Increase oil groove at axis oil supplying hole, after rocker arm shaft is assembled with rocking arm, the oilhole on rocking arm is corresponding with oil groove, and original hole hole is matched somebody with somebody
Conjunction is improved to hole slot cooperation, and rocker arm shaft oil groove is slightly wider than rocker arm oil holes, so that the docking and perforation of oil circuit are more easily implemented, greatly
The problem of supplying shortage of oil caused by the dislocation that rocking arm swing is brought when alleviating work greatly, hydraulic tappet abnormal sound problem obtains bright
Explicit solution is determined, and overall dimensions are easier to be controlled.
Specifically, oil groove has following three kinds of structure type：
1st, the oil groove is the funnel type groove body centered on rocker arm shaft oil supplying hole.
2nd, the bottom of the oil groove is the c-type face centered on the rocker arm shaft oil supplying hole, and the oil groove is further included the bottom of from
The oil groove wall that portion both sides extend outward.
3rd, the bottom of the oil groove is the plane of the front and rear perforation centered on the rocker arm shaft oil supplying hole, and the oil groove is also
Including the oil groove wall extended outward from two bottom sides.
Above-mentioned three kinds of structure type can effectively realize the docking and perforation of oil circuit, solve to swing because of rocking arm during work
The problem of shortage of oil is supplied caused by the dislocation brought, makes fuel feeding more abundant, reliability is stronger.
Wherein, the oil groove wall is sector, it is easier to realizes the stop to exterior rocker arm oil holes, it is not susceptible to mistake
Position, so as to fulfill effective fuel feeding.
Further, the oil groove is formed by being machined, and processing technology is accurate, it is easy to accomplish.
The oil passage to rocker shaft optimization structure of the utility model, is set at rocker arm shaft oil supplying hole to rocker arm shaft internal recess
Oil groove, increased oil groove is corresponding with rocker arm oil holes, can make up axial and angular dislocation, rocking arm hydraulic tappet is more filled
The repairing divided, simultaneously because the size of oil groove is more than rocker arm shaft oil supplying hole and rocker arm oil holes, in contrast mach precision will
Reduction is asked, overall structure more rationally, reliably, so that the work of rocking arm hydraulic tappet is more stable, reduces engine abnormal noise, improves
Engine NVH, and the lubrication of rocking arm axle journal and rocking arm hole is also improved, reduce abrasion；Meanwhile the utility model knot
Structure design is reasonable, and feasible process, processing cost is low, can meet engine work requirements.
Brief description of the drawings
Fig. 1 is the rocker arm shaft schematic diagram before optimization.
Fig. 2 is the rocker arm shaft schematic diagram of the oil passage to rocker shaft optimization structure of the utility model.
Fig. 3 is the rocker arm shaft and rocking arm assembling schematic diagram before optimization.
Fig. 4 is the rocker arm shaft and rocking arm assembling schematic diagram of the oil passage to rocker shaft optimization structure of the utility model.
Attached drawing indicates：1st, rocker arm shaft；2nd, rocker arm shaft oil supplying hole；3rd, oil groove；4th, rocking arm；5th, rocking arm oil supplying hole；6th, hydraulic pressure is endured
Bar.
Embodiment
Below against attached drawing, by the description to embodiment, to specific embodiment of the present utility model as involved by
The shape of each component, construction, the mutual alignment and connection relation between each several part, the effect of each several part and operation principle etc. make
It is further to describe in detail.
Embodiment 1：
As shown in Figure 1, 2, rocker arm shaft fuel feeding is distributed with the rocker arm shaft 1 of the oil passage to rocker shaft optimization structure of the utility model
Hole 2, but unlike the rocker arm shaft 1 before optimization, be equipped with the rocker arm shaft oil supplying hole 2 of the utility model into the rocker arm shaft
The recessed oil groove 3 in portion, the position of rocker arm shaft oil supplying hole 2 are also inwardly recessed from the surface of original rocker arm shaft 1, the bottom of oil groove 3
For the plane of the front and rear perforation centered on the rocker arm shaft oil supplying hole 2, the both sides of plane are the fan-shaped oil groove extended outward
Wall.Such design can effectively realize the docking and perforation of oil circuit, when solving work because rocking arm swings the dislocation that brings and
Caused the problem of supplying shortage of oil, oil groove wall are sector, it is easier to realize the stop to exterior rocker arm oil holes, be not susceptible to it
Dislocation, so as to fulfill effective fuel feeding.
Oil groove 3 is formed by being machined on rocker arm shaft, and technique is accurate, it is easy to accomplish.
Fig. 3, Fig. 4 be respectively rocker arm shaft 1 and the Rocker arm 4 assembling schematic diagram and the utility model before optimization rocker arm shaft 1 with
Rocker arm 4 assembling schematic diagram.As shown in Figure 3,4, the utility model is by optimization, and rocker arm shaft 1 with after Rocker arm 4 assembling, will shake originally
Hole hole between arm axle oil supplying hole 2 and rocking arm oil supplying hole 5 is corresponding, the slot pair being improved between oil groove 3 and rocking arm oil supplying hole 5
Should, lubricating oil enters oil groove 3 by rocker arm shaft oil supplying hole 2, enters back into rocking arm oil supplying hole 5 and carries out fuel feeding to hydraulic tappet 6, makes it
Normal work, can be to avoid the size of mechanical processing assembling factor due to being that slot is corresponding between oil groove 3 and rocking arm oil supplying hole 5
The rocking arm that deviation is formed swings the dislocation brought, so as to ensure the normal work of hydraulic tappet 6；Simultaneously as the size of oil groove 3
More than the diameter of rocking arm oil supplying hole 5, so the precision of rocking arm oil supplying hole 5 can be reduced suitably, processing cost, and oil are reduced
Groove 3 can increase lubricating oil supply, improve the abrasion between Rocker arm 4 and rocker arm shaft 3.
The oil passage to rocker shaft optimization structure processing of the utility model is simple, reduces requirement on machining accuracy, processing cost is more
Low, good manufacturability, avoids hole hole and coordinates the problem of being easy to dislocation under situation, it is ensured that the fuel feeding of hydraulic tappet 6 is more filled
Point.
Above by description of listed embodiment, the basic conception and basic principle of the utility model are elaborated.But
The utility model is not limited to above-mentioned listed embodiment.Every equivalent change made based on the technical solution of the utility model
Change, improve and deliberately become of inferior quality behavior, all should belong to the protection range of the utility model.
Claims (6)
1. a kind of oil passage to rocker shaft optimizes structure, including rocker arm shaft and the rocker arm shaft oil supplying hole being distributed on rocker arm shaft, its feature
It is, the oil groove to the rocker arm shaft internal recess is equipped with the rocker arm shaft oil supplying hole.
2. oil passage to rocker shaft according to claim 1 optimizes structure, it is characterised in that the oil groove is with rocker arm shaft fuel feeding
Funnel type groove body centered on hole.
3. oil passage to rocker shaft according to claim 1 optimizes structure, it is characterised in that the bottom of the oil groove is with described
C-type face centered on rocker arm shaft oil supplying hole, the oil groove further include the oil groove wall extended outward from two bottom sides.
4. oil passage to rocker shaft according to claim 1 optimizes structure, it is characterised in that the bottom of the oil groove is with described
The plane of front and rear perforation centered on rocker arm shaft oil supplying hole, the oil groove further include the oil groove extended outward from two bottom sides
Wall.
5. the oil passage to rocker shaft optimization structure according to claim 3 or 4, it is characterised in that the oil groove wall is sector.
6. oil passage to rocker shaft according to claim 1 optimizes structure, it is characterised in that the oil groove is by being machined shape
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962795.3U CN207348921U (en) | 2017-08-03 | 2017-08-03 | A kind of oil passage to rocker shaft optimizes structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962795.3U CN207348921U (en) | 2017-08-03 | 2017-08-03 | A kind of oil passage to rocker shaft optimizes structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207348921U true CN207348921U (en) | 2018-05-11 |
Family
ID=62360525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720962795.3U Active CN207348921U (en) | 2017-08-03 | 2017-08-03 | A kind of oil passage to rocker shaft optimizes structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207348921U (en) |
-
2017
- 2017-08-03 CN CN201720962795.3U patent/CN207348921U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201210 Address after: 246000 5th floor, building B1, Wanjiang high tech Incubation Park, economic development zone, Anqing City, Anhui Province Patentee after: Anqing flex Power Technology Co., Ltd Address before: 241009 No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui, China Patentee before: CHERY AUTOMOBILE Co.,Ltd. |