CN108223048A - The lubricating system of engine valve rocker arm component - Google Patents

The lubricating system of engine valve rocker arm component Download PDF

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Publication number
CN108223048A
CN108223048A CN201810123171.1A CN201810123171A CN108223048A CN 108223048 A CN108223048 A CN 108223048A CN 201810123171 A CN201810123171 A CN 201810123171A CN 108223048 A CN108223048 A CN 108223048A
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CN
China
Prior art keywords
rocker arm
bushing
oil outlet
radial direction
arm shaft
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.)
Granted
Application number
CN201810123171.1A
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Chinese (zh)
Other versions
CN108223048B (en
Inventor
陈镇培
覃文
陈剑涛
曹杨军
王丹
李少明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Beihai Yuchaima Petroleum Advanced Lubricating Oil Co ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
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Application filed by Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN201810123171.1A priority Critical patent/CN108223048B/en
Publication of CN108223048A publication Critical patent/CN108223048A/en
Application granted granted Critical
Publication of CN108223048B publication Critical patent/CN108223048B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M9/00Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
    • F01M9/10Lubrication of valve gear or auxiliaries
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12Transmitting gear between valve drive and valve
    • F01L1/18Rocking arms or levers
    • F01L1/181Centre pivot rocking arms

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

The invention discloses a kind of lubricating system of engine valve rocker arm component, including:Rocker arm shaft, rocking arm, bushing and adjusting screw.Rocker arm shaft is hollow structure, and rocker arm shaft has centre bore, and the first radial direction oil outlet is offered on rocker arm shaft, and flat nick is machined on the outside of the first radial direction oil outlet;Bushing press-mounting has fit-up gap in bushing mounting holes between bushing and rocker arm shaft;Wherein, the lubricating oil with pressure is full of, and lubricating oil is flowed to by the first radial direction oil outlet in the cavity of flat nick out of centre bore in the centre bore of rocker arm shaft;Wherein, bushing is internally provided with annular oil groove, and the lubricating oil in the cavity of flat nick is flowed to by annular oil groove in the fit-up gap between rocker arm shaft and bushing, so as to which the kinematic pair between rocker arm shaft and bushing provides lubrication.Whereby, the lubricating system of engine valve rocker arm component of the invention, lubricant passage way arrangement is simple, and reduces manufacturing process difficulty and processing cost.

Description

The lubricating system of engine valve rocker arm component
Technical field
The present invention relates to a kind of lubricating systems of engine valve rocker arm component.
Background technology
Rocker part is one of component of engine valve actuating mechanism most critical, and main function is by camshaft actuated push rod Elevating movement be converted into the elevating movement of driving valve, engine valve is made periodically to open and close, it is accurate to complete internal combustion engine True ventilation cycle process, it is ensured that engine stabilizer reliably works.The position that rocker part needs lubricate mainly has at three, point It is not lubrication between lubrication between rocker arm bush and rocker arm shaft, the lower section cambered surface on rocking arm head and valve stem top surface, rocking arm Lubrication at the top of the bottom spherical surface and push rod of adjusting screw between ball whirlpool, any one place is all likely to occur if insufficient lubrication The normal work of effect of attrition valve actuating mechanism.
The lubricating system of traditional engine valve rocker arm component has the characteristics of following:1st, lubricant passage way arrangement is complicated, system It is big to make technology difficulty, processing cost is higher;2nd, oil leak hole is more, and total dredge oil amount is larger, is easy to cause rocker part oil pressure Power is insufficient, and the machine oil fuel delivery needed is larger.
The information for being disclosed in the background technology part is merely intended to increase the understanding of the general background to the present invention, without answering When being considered as recognizing or imply that information composition has been the prior art well known to persons skilled in the art in any form.
Invention content
The purpose of the present invention is to provide a kind of lubricating system of engine valve rocker arm component, so as to overcome existing lubrication The shortcomings that lubricant passage way arrangement of system is complicated, and manufacturing process difficulty is big, and processing cost is higher, and oil leak hole is more.
To achieve the above object, the present invention provides a kind of lubricating system of engine valve rocker arm component, including:It shakes Arm axle, rocking arm, bushing and adjusting screw.Rocker arm shaft is hollow structure, and rocker arm shaft has centre bore, and is offered on rocker arm shaft First radial direction oil outlet is machined with flat nick on the outside of the first radial direction oil outlet;Rocking arm is set on rocker arm shaft, and rocking arm has Bushing mounting holes;Bushing press-mounting has fit-up gap in bushing mounting holes between bushing and rocker arm shaft, bushing and rocking arm it Between be clearance fit;And adjusting screw is screwed into the screw hole of one end of rocking arm, the lower end of adjusting screw is equipped with bulb, and upper end is used Nut check, and bulb with push rod contacting;Wherein, the lubricating oil with pressure is full of in the centre bore of rocker arm shaft, and is moistened Lubricating oil is flowed to by the first radial direction oil outlet in the cavity of flat nick out of centre bore;Wherein, bushing is internally provided with annular oil Slot, and the lubricating oil in the cavity of flat nick is flowed to by annular oil groove in the fit-up gap between rocker arm shaft and bushing, so as to Kinematic pair between rocker arm shaft and bushing provides lubrication.
Preferably, the second radial direction oil outlet and third radial direction oil outlet, and are offered in above-mentioned technical proposal, on bushing One end of two radial direction oil outlets and one end of third radial direction oil outlet connect respectively with fit-up gap.
Preferably, in above-mentioned technical proposal, the inside of rocking arm is offered towards the first oil outlet of adjusting screw and vertical Downward goes out oil groove;Wherein, one end of the first oil outlet is connected with the other end of the second radial direction oil outlet of bushing, and first is fuel-displaced The other end in hole is connected with going out oil groove, and is gone out oil groove and supported the screw rod for being affixed on adjusting screw vertically;Wherein, the lubrication in fit-up gap Oil is by the second radial direction oil outlet of bushing, the first oil outlet of rocking arm and goes out oil groove and flows downwardly to bulb and push rod along screw rod Contact surface, so as between adjusting screw and push rod kinematic pair provide lubrication.
Preferably, in above-mentioned technical proposal, the inside of rocking arm is further opened with the second oil outlet obliquely, the top surface of rocking arm With arc diversion trench, and the side of rocking arm has vertical diversion trench;Wherein, the third diameter of one end of the second oil outlet and bushing It being connected to the other end of oil outlet, the other end of the second oil outlet is connected with one end of arc diversion trench, and arc diversion trench The other end is connected with vertical diversion trench;Wherein, the lubricating oil in fit-up gap passes through the third radial direction oil outlet of bushing, rocking arm Second oil outlet, arc diversion trench and vertical diversion trench are flowed to valve stem contact surface, so as to provide profit to valve stem contact surface It is sliding.
Preferably, in above-mentioned technical proposal, the section of arc diversion trench and vertical diversion trench is rectangular, and depth is 1 milli For rice to 3.5 millimeters, width is 1 millimeter to 5 millimeters.
Preferably, in above-mentioned technical proposal, the size of fit-up gap is 0.01 millimeter to 0.02 millimeter.
Compared with prior art, the present invention has the advantages that:The profit of the engine valve rocker arm component of the present invention Sliding system, lubricant passage way arrangement is simple, reduces manufacturing process difficulty and processing cost, and can be controlled according to actual demand The size of oil leak hole controls total dredge oil amount, so as to prevent excessive fuel injection event, so as to ensure that rocker part has foot Enough engine oil pressures, it is ensured that the work that engine valve rocker arm component can be reliable and stable.
Description of the drawings
Fig. 1 is the overlooking the structure diagram of the lubricating system of engine valve rocker arm component according to the present invention.
Fig. 2 is the schematic cross-sectional view of A-A parts in Fig. 1.
Fig. 3 is the schematic cross-sectional view of B-B parts in Fig. 2.
Main appended drawing reference explanation:
1- rocking arms, the first oil outlets of 11-, the second oil outlets of 12-, 13- arc diversion trenches, the vertical diversion trenches of 14-, 15- gas Door rod contact surface, 16- go out oil groove, 2- bushings, 21- the second radial direction oil outlets, 22- third radial direction oil outlets, 23- fit-up gaps, 24- annular oil grooves, 3- rocker arm shafts, 31- centre bores, 32- flat nicks, 33- the first radial direction oil outlets, 4- adjusting screws, 41- push rods Contact surface, 42- screw rods, 43- nuts.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention Shield range is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members Part or other component parts.
As shown in Figure 1 to Figure 3, Fig. 1 is the vertical view knot of the lubricating system of engine valve rocker arm component according to the present invention Structure schematic diagram, Fig. 2 are the schematic cross-sectional views of A-A in Fig. 1, and Fig. 3 is the schematic cross-sectional view of B-B parts in Fig. 2.
According to a kind of lubricating system of engine valve rocker arm component of the specific embodiment of the invention, including:Rocking arm Axis 3, rocking arm 1, bushing 2 and adjusting screw 4.Rocker arm shaft 3 is hollow structure, and rocker arm shaft 3 has centre bore 31, and rocker arm shaft 3 On offer the first radial direction oil outlet, the outside of the first radial direction oil outlet 33 is machined with flat nick 32;Rocking arm 1 is set in rocker arm shaft On 3, and rocking arm 1 has 2 mounting hole of bushing;Bushing 2 is pressed in 2 mounting hole of bushing, and has between bushing 2 and rocker arm shaft 3 Fit-up gap 23 is clearance fit between bushing 2 and rocking arm 1;And adjusting screw 4 is screwed into the screw hole of one end of rocking arm 1, is adjusted The lower end of whole screw 4 is equipped with bulb, and upper end nut 43 locks, and bulb with push rod contacting;Wherein, in rocker arm shaft 3 The lubricating oil with pressure is full of in heart hole 31, and lubricating oil flows to flat nick out of centre bore 31 by the first radial direction oil outlet In 32 cavity;Wherein, bushing 2 is internally provided with annular oil groove 24, and the lubricating oil in the cavity of flat nick 32 passes through annular Oil groove 24 is flowed in the fit-up gap 23 between rocker arm shaft 3 and bushing 2, so as to which the kinematic pair between rocker arm shaft 3 and bushing 2 carries For lubrication.
Preferably, the second radial direction oil outlet 21 and third radial direction oil outlet 22 are offered on bushing 2, and second is radially fuel-displaced The one end in hole 21 and one end of third radial direction oil outlet 22 connect respectively with fit-up gap 23;The inside of rocking arm 1 offers direction First oil outlet 11 of adjusting screw 4 and straight down go out oil groove 16;Wherein, one end of the first oil outlet 11 and bushing 2 The other end connection of second radial direction oil outlet 21, the other end of the first oil outlet 11 is connected with going out oil groove 16, and it is perpendicular to go out oil groove 16 Direct reach the screw rod 42 for being affixed on adjusting screw 4;Wherein, the second radial direction oil outlet that the lubricating oil in fit-up gap 23 passes through bushing 2 21st, the first oil outlet 11 of rocking arm 1 and go out the contact surface that oil groove 16 flows downwardly to bulb and push rod along screw rod 42, so as to exchange Kinematic pair between whole screw 4 and push rod provides lubrication (i.e. push rod contact surface 41).
Preferably, the inside of rocking arm 1 is further opened with the second oil outlet 12 obliquely, and the top surface of rocking arm 1 is led with arc Chute 13, and the side of rocking arm 1 has vertical diversion trench 14;Wherein, one end of the second oil outlet 12 and the third radial direction of bushing 2 The other end connection of oil outlet 22, the other end of the second oil outlet 12 is connected with one end of arc diversion trench 13, and arc water conservancy diversion The other end of slot 13 is connected with vertical diversion trench 14;Wherein, the lubricating oil in fit-up gap 23 is radially gone out by the third of bushing 2 Oilhole 22, the second oil outlet 12 of rocking arm 1, arc diversion trench 13 and vertical diversion trench 14 are flowed to valve stem contact surface 15, from And provide lubrication to valve stem contact surface 15.
Preferably, the section of arc diversion trench 13 and vertical diversion trench 14 is rectangular, and depth is 1 millimeter to 3.5 millimeters, Width is 1 millimeter to 5 millimeters;The size of fit-up gap 23 is 0.01 millimeter to 0.02 millimeter.
In practical applications, the lubricating system of a kind of engine valve rocker arm component of the invention, mainly by rocking arm 1, The compositions such as bushing 2, rocker arm shaft 3, adjusting screw 4, nut 43.Bushing 2 is fitted in 2 mounting hole of bushing on rocking arm 1, bushing 2 It is clearance fit between rocking arm 1;Rocking arm 1 is mounted in 2 sleeve integrating of bushing on rocker arm shaft 3, between being between bushing 2 and rocker arm shaft 3 Gap coordinates;Adjusting screw 4 is screwed into the screw hole of 1 one end of rocking arm, and adjusting screw 4 is equipped with bulb one end downward, upper end nut 43 Locking.
Wherein, rocker arm shaft 3 is hollow structure, is internally provided with 3 centre bore 31 of rocker arm shaft, and rocker arm shaft 3 is corresponded in each rocking arm 1 A first radial direction oil outlet 33 is respectively provided at position, there are one the outside processing of each 3 first radial direction oil outlet 33 of rocker arm shaft Flat nick 32.The inside of 3 centre bore of rocker arm shaft 31 is full of the lubricating oil with certain pressure, and lubricating oil is from the first radial direction oil outlet 33 In the cavity for flowing to flat nick 32.
Wherein, design is that the second radial direction oil outlet 21, third are radially fuel-displaced respectively there are two radial direction oil outlet on bushing 2 Hole 22, bushing 2 are internally provided with 2 annular oil groove 24 of a circle bushing, are deposited between 2 endoporus of bushing and rocker arm shaft 3 there are one small Fit-up gap 23, the size of fit-up gap 23 is 0.01 millimeter to 0.2 millimeter, is between the periphery of bushing 2 and rocker arm shaft 3 It is full of cooperation, is fixed as an entirety.Lubricating oil at 32 cavity of flat nick is flowed in annular oil groove 24, then is flowed from annular oil groove 24 In fit-up gap 23 between rocker arm shaft 3 and bushing 2, one layer of lubricating oil film is formed, to the fortune between rocker arm shaft 3 and bushing 2 Dynamic pair plays lubricating action.
Wherein, the inside of rocking arm 1 is there are one the first oil outlet 11 towards adjusting screw 4, one end of the first oil outlet 11 with Second radial direction oil outlet 21 of bushing 2 connects, and the other end is connected with an oil groove 16 that goes out straight down.Rocker arm shaft 3 and bushing 2 Between fit-up gap 23 in parts of lubricating oil can flow into the second radial direction oil outlet 21 of bushing 2, then pass through rocking arm 1 One oil outlet 11 flows to going out at oil groove 16, then flowed downward out from oil groove 16 is gone out straight down, further along the screw rod of adjusting screw 4 42 flow downwardly at spherical push rod contact surface 41, and lubrication is provided to the kinematic pair between adjusting screw 4 and push rod.
Wherein, there are one the second oil outlets 12 obliquely for 1 inside of rocking arm, and there are one arc water conservancy diversion for the top surface of rocking arm 1 Slot 13, one end of arc diversion trench 13 are connected with the second oil outlet 12 of rocking arm 1, and the other end is connected with vertical diversion trench 14.Arc The section of shape diversion trench 13 and vertical diversion trench 14 is all rectangular, and depth is 1.0 millimeters to 3.5 millimeters, width for 1.0 millimeters extremely 5.0 millimeter.The third that the parts of lubricating oil in fit-up gap 23 between rocker arm shaft 3 and bushing 2 can flow into bushing 2 is radially fuel-displaced In hole 22, then flow out from the second oil outlet 12 of rocking arm 1, under the effect of gravity lubricating oil along arc diversion trench 13 to flowing down, It is flowed at valve stem contact surface 15 from vertical diversion trench 14 again, lubricating action is provided to valve stem contact surface 15.
In short, the lubricating system of the engine valve rocker arm component of the present invention has the advantages that:
1st, the lubricating system of engine valve rocker arm component of the invention simplifies the design of arrangement lubricant passage way, reduces Manufacturing process difficulty and processing cost;
2nd, it can control the size for letting out oil leak hole according to actual demand, control total dredge oil amount, merely with rocker arm shaft and lining Sub-fraction lubricating oil in fit-up gap between set, you can ensure the good profit at valve stem contact surface and push rod contact surface Sliding effect, total dredge oil amount is few, prevents excessive fuel injection event, so as to ensure that rocker part has enough engine oil pressures, from And ensuring engine valve rocker arm component can reliablely and stablely work.
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed And variation.The purpose of selecting and describing the exemplary embodiment is that explain that the specific principle of the present invention and its reality should With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementations and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (6)

1. a kind of lubricating system of engine valve rocker arm component, which is characterized in that including:
Rocker arm shaft is hollow structure, and the rocker arm shaft has centre bore, and it is radially fuel-displaced that first is offered on the rocker arm shaft Hole is machined with flat nick on the outside of the first radial direction oil outlet;
Rocking arm is set on the rocker arm shaft, and the rocking arm has bushing mounting holes;
Bushing, press fitting has fit-up gap in the bushing mounting holes between the bushing and the rocker arm shaft, described It is clearance fit between bushing and the rocking arm;And
Adjusting screw, in the screw hole of the one end for being screwed into the rocking arm, the lower end of the adjusting screw is equipped with bulb, upper end spiral shell Mother's locking, and the bulb with push rod contacting;
Wherein, it is full of the lubricating oil with pressure in the centre bore of the rocker arm shaft, and the lubricating oil is from the center It is flowed in the cavity of the flat nick by the first radial direction oil outlet in hole;
Wherein, the bushing is internally provided with annular oil groove, and the lubricating oil in the cavity of the flat nick pass through it is described Annular oil groove is flowed in the fit-up gap between the rocker arm shaft and the bushing, so as to the rocker arm shaft and the lining Kinematic pair between set provides lubrication.
2. the lubricating system of engine valve rocker arm component according to claim 1, which is characterized in that opened on the bushing Equipped with the second radial direction oil outlet and third radial direction oil outlet, and one end of the second radial direction oil outlet and the third radially go out One end of oilhole connects respectively with the fit-up gap.
3. the lubricating system of engine valve rocker arm component according to claim 2, which is characterized in that the rocking arm it is interior Portion offer towards the adjusting screw the first oil outlet and straight down go out oil groove;
Wherein, one end of first oil outlet is connected with the other end of the second radial direction oil outlet of the bushing, described The other end of first oil outlet with it is described go out oil groove connect, and it is described go out oil groove support be affixed on the screw rod of the adjusting screw vertically;
Wherein, the lubricating oil in the fit-up gap passes through the second radial direction oil outlet of the bushing, the institute of the rocking arm State the first oil outlet and it is described go out oil groove the contact surface of the bulb and the push rod is flowed downwardly to along the screw rod, so as to right Kinematic pair between the adjusting screw and the push rod provides lubrication.
4. the lubricating system of engine valve rocker arm component according to claim 3, which is characterized in that the rocking arm it is interior Portion is further opened with the second oil outlet obliquely, and the top surface of the rocking arm has arc diversion trench, and the side tool of the rocking arm There is vertical diversion trench;
Wherein, one end of second oil outlet is connected with the other end of the third radial direction oil outlet of the bushing, described The other end of second oil outlet is connected with one end of the arc diversion trench, and the other end of the arc diversion trench is erected with described Straight diversion trench connection;
Wherein, the lubricating oil in the fit-up gap passes through the third radial direction oil outlet of the bushing, the institute of the rocking arm It states the second oil outlet, the arc diversion trench and the vertical diversion trench to flow to valve stem contact surface, so as to the valve Bar contact surface provides lubrication.
5. the lubricating system of engine valve rocker arm component according to claim 4, which is characterized in that the arc water conservancy diversion The section of slot and the vertical diversion trench is rectangular, and depth is 1 millimeter to 3.5 millimeters, and width is 1 millimeter to 5 millimeters.
6. the lubricating system of engine valve rocker arm component according to claim 1, which is characterized in that the fit-up gap Size be 0.01 millimeter to 0.02 millimeter.
CN201810123171.1A 2018-02-07 2018-02-07 Lubrication system for engine valve rocker assembly Active CN108223048B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810123171.1A CN108223048B (en) 2018-02-07 2018-02-07 Lubrication system for engine valve rocker assembly

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Application Number Priority Date Filing Date Title
CN201810123171.1A CN108223048B (en) 2018-02-07 2018-02-07 Lubrication system for engine valve rocker assembly

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CN108223048A true CN108223048A (en) 2018-06-29
CN108223048B CN108223048B (en) 2023-09-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113931716A (en) * 2020-07-14 2022-01-14 发动机引擎解决方案知识产权股份有限公司 System and method for an engine
CN114837767A (en) * 2021-01-30 2022-08-02 江苏常发农业装备股份有限公司 Lubricating mechanism for engine rocker arm and engine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB709820A (en) * 1950-12-26 1954-06-02 Toledo Stamping & Mfg Company Rocker arms for internal combustion engines
DE3024629A1 (en) * 1980-06-30 1982-02-04 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg IC engine valve rocker - is carried on shaft via floating bush with annular grooves and radial bores for lubrication via duct in shaft
CN201074532Y (en) * 2007-09-10 2008-06-18 东风汽车有限公司 Valve driving mechanism of rocker arm type engine
CN102330585A (en) * 2011-08-05 2012-01-25 无锡开普动力有限公司 Lubrication mechanism of valve rocker
CN202370604U (en) * 2011-12-15 2012-08-08 中国重汽集团济南动力有限公司 Engine rocker arm
CN102926829A (en) * 2012-11-15 2013-02-13 奇瑞汽车股份有限公司 Valve rocker mechanism
CN203335154U (en) * 2013-07-03 2013-12-11 广西玉柴机器股份有限公司 Diesel inlet valve rocker arm assembly
CN106089346A (en) * 2016-08-18 2016-11-09 安徽天利动力股份有限公司 A kind of rocker arm assembly of band forced lubrication structure
CN207829966U (en) * 2018-02-07 2018-09-07 广西玉柴机器股份有限公司 The lubricating system of engine valve rocker arm component

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB709820A (en) * 1950-12-26 1954-06-02 Toledo Stamping & Mfg Company Rocker arms for internal combustion engines
DE3024629A1 (en) * 1980-06-30 1982-02-04 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg IC engine valve rocker - is carried on shaft via floating bush with annular grooves and radial bores for lubrication via duct in shaft
CN201074532Y (en) * 2007-09-10 2008-06-18 东风汽车有限公司 Valve driving mechanism of rocker arm type engine
CN102330585A (en) * 2011-08-05 2012-01-25 无锡开普动力有限公司 Lubrication mechanism of valve rocker
CN202370604U (en) * 2011-12-15 2012-08-08 中国重汽集团济南动力有限公司 Engine rocker arm
CN102926829A (en) * 2012-11-15 2013-02-13 奇瑞汽车股份有限公司 Valve rocker mechanism
CN203335154U (en) * 2013-07-03 2013-12-11 广西玉柴机器股份有限公司 Diesel inlet valve rocker arm assembly
CN106089346A (en) * 2016-08-18 2016-11-09 安徽天利动力股份有限公司 A kind of rocker arm assembly of band forced lubrication structure
CN207829966U (en) * 2018-02-07 2018-09-07 广西玉柴机器股份有限公司 The lubricating system of engine valve rocker arm component

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113931716A (en) * 2020-07-14 2022-01-14 发动机引擎解决方案知识产权股份有限公司 System and method for an engine
CN114837767A (en) * 2021-01-30 2022-08-02 江苏常发农业装备股份有限公司 Lubricating mechanism for engine rocker arm and engine

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Address after: 536000 Building 1, No. 37 Hong Kong Road, Beihai Industrial Park, Guangxi Zhuang Autonomous Region

Patentee after: GUANGXI BEIHAI YUCHAIMA PETROLEUM ADVANCED LUBRICATING OIL CO.,LTD.

Country or region after: China

Address before: 537005 No. 88 flyover West Road, the Guangxi Zhuang Autonomous Region, Yulin

Patentee before: Guangxi Yuchai Machinery Co.,Ltd.

Country or region before: China