CN109653833A - A kind of device conducive to valve actuating mechanism lubrication - Google Patents
A kind of device conducive to valve actuating mechanism lubrication Download PDFInfo
- Publication number
- CN109653833A CN109653833A CN201811519601.8A CN201811519601A CN109653833A CN 109653833 A CN109653833 A CN 109653833A CN 201811519601 A CN201811519601 A CN 201811519601A CN 109653833 A CN109653833 A CN 109653833A
- Authority
- CN
- China
- Prior art keywords
- lubricating oil
- actuating mechanism
- valve actuating
- valve
- rocker arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/06—Dip or splash lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/08—Drip lubrication
-
- 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
Abstract
The present invention provides a kind of devices conducive to valve actuating mechanism lubrication, and it further includes ridge-roof type valve cover, the ridge-roof type valve cover is mounted on the surface of the valve actuating mechanism that the valve actuating mechanism, which includes camshaft, rocker arm and valve assembly,；The center ridge of the ridge-roof type valve cover is equipped with diversion trench at left and right sides of lubricating oil spray cinclides equipped with lubricating oil spray cinclides, is equipped with lubricating oil oil dripping hole in the end of the diversion trench；The rocker arm is equipped with the oil leab and lubricating oil spray orifice of connection, and the lubricating oil spray that the lubricating oil spray orifice sprays is corresponding with the lubricating oil spray position of cinclides.The present invention can be effectively improved engine valve actuating mechanism lubricating status, reduce friction, improve the service life of valve actuating mechanism cam, rocker arm, solve the problems, such as the existing scratch of the valve actuating mechanism and premature wear, the reliability and durability of valve actuating mechanism work are significantly improved, and the mechanical noise of engine is effectively reduced.
Description
Technical field
The invention belongs to technical field of internal combustion engines, more particularly, to a kind of device conducive to valve actuating mechanism lubrication.
Background technique
Valve actuating mechanism is the mechanism for controlling engine charge and exhaust.Its function is carried out according to each cylinder of engine
The requirement of working cycles and ignition order, time opening and the inlet and outlet door for closing each cylinder, enter fresh air in time
Cylinder, gas is discharged from cylinder in time after combustion, and so that valve and valve seating is kept good in compression and working stroke
Sealing.
Important system one of of the valve actuating mechanism as engine, the quality of design is to the overall performance of engine, reliable
There are significant impact in property and service life.Valve actuating mechanism cam and driven member are one of important friction pair of engine and diesel engine
One of three big friction pairs.When cam and rocker arm work in engine valve actuating mechanism, the relative sliding velocity between working face is very high, rubs
Heat is wiped, and radiating condition is very poor, fretting wear is very big, and the abrasion of cam-rocker arm makes the proper motion rule of driven member by shadow
It rings, frictional power loss then accounts for about the 70% of valve actuating mechanism power loss.With medium and small h type engine h to high speed and it is high-power
Change development, the premature wear and damaged surfaces problem of cam-follower have been changed to one of the problem that engine is further strengthened,
So it is necessary to improve its lubricating status.
Summary of the invention
In view of this, the present invention is directed to propose a kind of device conducive to valve actuating mechanism lubrication, can simply and effectively realize
The lubrication of engine valve actuating mechanism different parts, substantially improves the lubrication at the positions such as cam and rocker arm in engine valve actuating mechanism
State reduces friction, improves the service life of valve actuating mechanism cam, rocker arm, solves the existing scratch of the valve actuating mechanism and early stage grinds
Damage problem, significantly improves the reliability and durability of valve actuating mechanism work, and the mechanical noise of engine is effectively reduced.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of device conducive to valve actuating mechanism lubrication, the valve actuating mechanism includes camshaft, rocker arm and valve assembly, described
Camshaft is located at rocker arm lower left, and the valve assembly is located at the lower right of rocker arm；It further include ridge-roof type valve cover, the room
Ridge valve cover is mounted on the surface of the valve actuating mechanism；The center ridge of the ridge-roof type valve cover is equipped with lubrication
Oily spray cinclides, diversion trench is equipped at left and right sides of lubricating oil spray cinclides, in the end of the diversion trench
Equipped with lubricating oil oil dripping hole；The rocker arm is equipped with the oil leab and lubricating oil spray orifice of connection, and the lubricating oil spray orifice sprays
Lubricating oil spray it is corresponding with the lubricating oil spray position of cinclides.
Further, the diversion trench is wedge shape.
Further, the lubricating oil oil dripping hole of the left and right sides be located at the camshaft and rocker arm contact site,
The surface of the contact site of rocker arm and valve assembly.
Compared with the existing technology, present invention has the advantage that
(1) present invention can be effectively improved engine valve actuating mechanism lubricating status, reduce friction, and it is convex to improve valve actuating mechanism
The service life of wheel, rocker arm solves the problems, such as the existing scratch of the valve actuating mechanism and premature wear, significantly improves valve actuating mechanism work
Reliability and durability, and the mechanical noise of engine is effectively reduced.
(2) the configuration of the present invention is simple, expansion application range are wide, can be widely applied to passenger car, commercial vehicle, agricultural machinery
And engineering, mine diesel engine.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram for being conducive to the device of valve actuating mechanism lubrication described in the embodiment of the present invention；
Fig. 2 is the bottom view of ridge-roof type valve cover center described in the embodiment of the present invention.
Description of symbols:
1- ridge-roof type valve cover；2- camshaft；3- rocker arm；4- lubricates oil droplet；5- diversion trench；6- lubricating oil spray orifice；7-
Lubricating oil spray；8- valve；9- valve stem；10- oil leab；11- valve spring；12- lubricating oil spray cinclides；13- profit
Lubricating oil oil dripping hole.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of device conducive to valve actuating mechanism lubrication, as shown in Figure 1, 2, the valve actuating mechanism includes camshaft 2, rocker arm 3
And valve assembly, the camshaft 2 are located at 3 lower left of rocker arm, the valve assembly is located at the lower right of rocker arm 3；It further include room
Ridge valve cover 1, the ridge-roof type valve cover 1 are mounted on the surface of the valve actuating mechanism；The ridge-roof type cavaera
The center ridge of cover 1 is all provided with equipped with lubricating oil spray cinclides 12 in the left and right sides of lubricating oil spray cinclides 12
There is the diversion trench 5 of wedge shape, is equipped with lubricating oil oil dripping hole 13 in the end of the diversion trench 5；The rocker arm 3 is equipped with the profit of connection
Grease way 10 and lubricating oil spray orifice 6, the lubricating oil spray 7 that the lubricating oil spray orifice 6 sprays and lubricating oil spray cinclides
12 position is corresponding.
The lubricating oil oil dripping hole 13 is located at the surface of the camshaft 2 and the rocker arm 3, specifically, the left and right sides
The lubricating oil oil dripping hole be located at the contact site of the camshaft and rocker arm contact site, rocker arm and valve assembly
Surface.
The valve assembly includes valve 8, valve stem 9 and valve spring 11, and the upper half of the valve 8 is valve stem 9,
The valve spring 11 is mounted on 9 outside of valve stem, 11 center of valve spring and 9 central coaxial of valve stem.
The working principle of the present embodiment:
When the engine is running, the lubricating oil in oil leab 10 has certain pressure, passes through profit under the effect of this pressure
Lubricating oil spray orifice 6 formed lubricating oil spray 7 spray to the 1 top lubricating oil spray of ridge-roof type valve cover cinclides 12, lubricating oil
It guides along the diversion trench 5 of the wedge shape of 12 two sides of lubricating oil spray cinclides to lubricating oil oil dripping hole 13, and lubricating oil oil dripping hole
13 are located at right above camshaft 2 and rocker arm 3, and the lubrication oil droplet 4 generated due to gravity is according to certain flow rate to 2 He of camshaft
Rocker arm 3 and rocker arm 3 and 8 contact site of valve are directly lubricated, and lubrication oil droplet 4 collides and starts with camshaft 2 and rocker arm 3
Machine, which shakes generated tiny splashing oil droplet, to carry out splashing lubrication to other components such as valve stem 9, valve spring 11, have
Effect improves the lubricating status of engine valve actuating mechanism, reduces friction, improves the service life of valve actuating mechanism camshaft 2, rocker arm 3, solves
The existing scratch of the valve actuating mechanism and premature wear problem significantly improve the reliability and durability of valve actuating mechanism work, and
And the mechanical noise of engine is effectively reduced.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of device conducive to valve actuating mechanism lubrication, the valve actuating mechanism includes camshaft, rocker arm and valve assembly, described convex
Wheel shaft is located at rocker arm lower left, and the valve assembly is located at the lower right of rocker arm；It is characterized by:
It further include ridge-roof type valve cover, the ridge-roof type valve cover is mounted on the surface of the valve actuating mechanism；The room
The center ridge of ridge valve cover is equipped with lubricating oil spray cinclides, in the lubricating oil spray left and right sides of cinclides
It is equipped with diversion trench, is equipped with lubricating oil oil dripping hole in the end of the diversion trench；
The rocker arm is equipped with the oil leab and lubricating oil spray orifice of connection, the lubricating oil spray that the lubricating oil spray orifice sprays with
The lubricating oil spray cinclides position it is corresponding.
2. a kind of device conducive to valve actuating mechanism lubrication according to claim 1, it is characterised in that: the diversion trench is wedge
Shape.
3. it is according to claim 1 it is a kind of conducive to valve actuating mechanism lubrication device, it is characterised in that: the left and right sides it is described
Lubricating oil oil dripping hole be located at the contact site of the camshaft and rocker arm contact site, rocker arm and valve assembly just on
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519601.8A CN109653833A (en) | 2018-12-12 | 2018-12-12 | A kind of device conducive to valve actuating mechanism lubrication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519601.8A CN109653833A (en) | 2018-12-12 | 2018-12-12 | A kind of device conducive to valve actuating mechanism lubrication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109653833A true CN109653833A (en) | 2019-04-19 |
Family
ID=66114374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811519601.8A Pending CN109653833A (en) | 2018-12-12 | 2018-12-12 | A kind of device conducive to valve actuating mechanism lubrication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109653833A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020007812A1 (en) * | 2000-05-23 | 2002-01-24 | Akira Furuya | Structure for lubricating valve-operating device of OHC engine and cover member for OHC engine |
| US20020020379A1 (en) * | 2000-07-31 | 2002-02-21 | Firewall Forward Technologies, Llc | Camshaft lubrication system |
| CN101382080A (en) * | 2007-09-05 | 2009-03-11 | 马自达汽车株式会社 | Lubricating device |
| CN201531290U (en) * | 2009-09-29 | 2010-07-21 | 重庆建设摩托车股份有限公司 | Lubricating structure of overhead air distribution camshaft and rocker-arm roller |
| CN204200300U (en) * | 2014-10-10 | 2015-03-11 | 重庆隆鑫发动机有限公司 | Cylinder head cover multi-point injection lubricating structure |
| CN204386688U (en) * | 2014-12-25 | 2015-06-10 | 浙江康和机械科技有限公司 | The integrated rocker arm brake apparatus of mechanically joined motor reset is risen with valve |
| CN205172725U (en) * | 2015-10-31 | 2016-04-20 | 中国嘉陵工业股份有限公司（集团） | Motorcycle engine |
| WO2017038817A1 (en) * | 2015-09-01 | 2017-03-09 | いすゞ自動車株式会社 | Positioning structure for cylinder head cover |
| CN207420653U (en) * | 2017-11-20 | 2018-05-29 | 哈尔滨东安汽车发动机制造有限公司 | A kind of engine exhaust rocker arm axle assembly |
-
2018
- 2018-12-12 CN CN201811519601.8A patent/CN109653833A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020007812A1 (en) * | 2000-05-23 | 2002-01-24 | Akira Furuya | Structure for lubricating valve-operating device of OHC engine and cover member for OHC engine |
| US20020020379A1 (en) * | 2000-07-31 | 2002-02-21 | Firewall Forward Technologies, Llc | Camshaft lubrication system |
| CN101382080A (en) * | 2007-09-05 | 2009-03-11 | 马自达汽车株式会社 | Lubricating device |
| CN201531290U (en) * | 2009-09-29 | 2010-07-21 | 重庆建设摩托车股份有限公司 | Lubricating structure of overhead air distribution camshaft and rocker-arm roller |
| CN204200300U (en) * | 2014-10-10 | 2015-03-11 | 重庆隆鑫发动机有限公司 | Cylinder head cover multi-point injection lubricating structure |
| CN204386688U (en) * | 2014-12-25 | 2015-06-10 | 浙江康和机械科技有限公司 | The integrated rocker arm brake apparatus of mechanically joined motor reset is risen with valve |
| WO2017038817A1 (en) * | 2015-09-01 | 2017-03-09 | いすゞ自動車株式会社 | Positioning structure for cylinder head cover |
| CN205172725U (en) * | 2015-10-31 | 2016-04-20 | 中国嘉陵工业股份有限公司（集团） | Motorcycle engine |
| CN207420653U (en) * | 2017-11-20 | 2018-05-29 | 哈尔滨东安汽车发动机制造有限公司 | A kind of engine exhaust rocker arm axle assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190419 |