CN101956625B - Lubricating structure of cylinder head - Google Patents
Lubricating structure of cylinder head Download PDFInfo
- Publication number
- CN101956625B CN101956625B CN2010105264239A CN201010526423A CN101956625B CN 101956625 B CN101956625 B CN 101956625B CN 2010105264239 A CN2010105264239 A CN 2010105264239A CN 201010526423 A CN201010526423 A CN 201010526423A CN 101956625 B CN101956625 B CN 101956625B
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- China
- Prior art keywords
- oilhole
- cylinder head
- camshaft
- rocker
- bearing cover
- 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.)
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Classifications
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- 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
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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
- F01L1/181—Centre pivot rocking arms
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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
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0476—Camshaft bearings
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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
- F01L2305/00—Valve arrangements comprising rollers
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- 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
- F01M9/102—Lubrication of valve gear or auxiliaries of camshaft bearings
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- 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
- F01M9/105—Lubrication of valve gear or auxiliaries using distribution conduits
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- 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
- F01M9/107—Lubrication of valve gear or auxiliaries of rocker shaft bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a lubricating structure of a cylinder head. A lubricating oil hole is reserved in the interior of the front end of the cylinder head body; a lubricating oil hole is reserved in the interior of the rear end of the cylinder head body; a lubricating oil groove is reserved on the end face of the cylinder head body; a lubricating oil hole is reserved in a front bearing cap of a cam shaft; a lubricating oil hole is reserved in a rear bearing cap of the cam shaft; a lubricating oil hole is reserved in a front bearing pad of the cam shaft; an oil inlet is reserved on a rocker arm shaft; a lubricating oil hole is reserved in the axle wire direction of the rocker arm shaft; a lubricating oil hole is reserved in the radial direction of the rocker arm shaft; lubricating oil grooves are circumferentially reserved on the inner wall of a valve rocker arm bush; a lubricating oil hole is reserved in the radial direction of the valve rocker arm bush; a valve rocker arm lubricating oil groove is reserved in the valve rocker arm; a lubricating oil hole is reserved in a rocker arm roller shaft; and lubricating oil grooves are circumferentially reserved on the outer wall of the rocker arm roller shaft. An auxiliary oil inlet can be eliminated; the assembly process is simplified; the structure is simple; and the cost is reduced at the same time.
Description
Technical field
The present invention relates to a kind of lubricating structure of cylinder head, belong to technical field of engines.
Background technique
In the prior art, the lubricated of each lubricated component that the cylinder of Removal of OHC System covers such as valve rocker, rocker-arm roller mechanism, camshaft etc. is by auxiliary oil inlet pipe lubricant oil to be introduced into the required lubricated position of each lubricated component, general auxiliary oil inlet pipe need be considered its means of fixation and oil-feed direction, so structure is more complicated often, and relative cost also can increase to some extent; Sometimes also be subjected to the spatial constraints of cylinder head itself, be difficult to arrange the space of auxiliary oil inlet pipe.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of lubricating structure that the lubricant oil of motor easily can be introduced the cylinder head of each lubricating component of cylinder head from the main oil gallery of engine body is provided.
According to technological scheme provided by the invention, the lubricating structure of described cylinder head, comprise cylinder head body and pitman arm shaft, hard-wired front bearing cover of cam shaft on the cylinder head body, camshaft plummer block keep and camshaft rear bearing cover, at front bearing cover of cam shaft, camshaft plummer block keep and camshaft rear bearing cover inside are equipped with camshaft bush, described pitman arm shaft is installed in front bearing cover of cam shaft, on camshaft plummer block keep and the camshaft rear bearing cover; the pitman arm shaft bolt is with pitman arm shaft; front bearing cover of cam shaft; the camshaft plummer block keep; camshaft rear bearing cover and cylinder head body are fixed as one; by valve rocker bushing valve rocker is installed on pitman arm shaft; at valve rocker the rocker-arm roller axle is installed, and at the rocker-arm roller axle rocker-arm roller are installed;
Offer cylinder head front end oilhole in the front end inside of cylinder head body, offer cylinder head rear end oilhole in the inside, rear end of cylinder head body, offer the cylinder head lubricating oil groove at the end face of the cylinder head body of camshaft plummer block keep position;
In front bearing cover of cam shaft, offer the front bearing cover of cam shaft oilhole, in the camshaft rear bearing cover, offer camshaft rear bearing cover oilhole;
In camshaft bush, offer the camshaft bush oilhole;
Offer the pitman arm shaft oil inlet hole at pitman arm shaft, offer pitman arm shaft axial lubrication hole in the medial axis of pitman arm shaft direction; the radial direction of pitman arm shaft offers radially oilhole of pitman arm shaft; the pitman arm shaft oil inlet hole is communicated with pitman arm shaft axial lubrication hole, pitman arm shaft axial lubrication hole and pitman arm shaft radially oilhole are communicated with;
Inwall at valve rocker bushing circumferentially offers the valve rocker bushing oil groove, upwards offers the valve rocker bushing oilhole in the footpath of valve rocker bushing, and the valve rocker bushing oil groove is communicated with the valve rocker bushing oilhole;
In valve rocker, offer the valve rocker oilhole;
Offer rocker-arm roller spindle oil hole in the rocker-arm roller axle, circumferentially offer rocker-arm roller spindle oil groove at the outer wall of rocker-arm roller axle, rocker-arm roller spindle oil hole is communicated with rocker-arm roller spindle oil groove;
Described cylinder head front end oilhole is communicated with the front bearing cover of cam shaft oilhole, and the camshaft bush oilhole that the front bearing cover of cam shaft oilhole is corresponding with it is communicated with; Described cylinder head rear end oilhole is communicated with camshaft rear bearing cover oilhole, and the camshaft bush oilhole that camshaft rear bearing cover oilhole is corresponding with it is communicated with; The camshaft bush oilhole that the cylinder head lubricating oil groove is corresponding with it is communicated with;
Described front bearing cover of cam shaft oilhole, camshaft rear bearing cover oilhole all are communicated with the pitman arm shaft oil inlet hole; Pitman arm shaft radially oilhole is communicated with the valve rocker bushing oil groove, and the valve rocker bushing oilhole is communicated with the valve rocker oilhole, and the valve rocker oilhole is communicated with rocker-arm roller spindle oil hole.
Also be provided with the pitman arm shaft bolt, described pitman arm shaft bolt is fixed as one pitman arm shaft, front bearing cover of cam shaft, camshaft plummer block keep, camshaft rear bearing cover and cylinder head body, pitman arm shaft bolt coat at stationary cam axle plummer block keep is connected to setting sleeve, the inwall of described setting sleeve and pitman arm shaft bolt outer wall form oil groove, described oil groove one end is communicated with pitman arm shaft axial lubrication hole, and the oil groove the other end is communicated with the camshaft bush oilhole.
Described rocker-arm roller spindle oil hole is circular straight hole, and the axis of the axis in rocker-arm roller spindle oil hole and rocker-arm roller axle is acute angle and intersects.
The present invention compared with prior art, advantage is:
(1), the present invention will enter the lubricant oil of engine cylinder cap by lubricating component valve rocker, rocker-arm roller, the camshaft of the introducing of the lubricant oil service duct in the bearing cap of camshaft front end and back end engine cylinder cap, can omit auxiliary oil inlet pipe, simplified assembly process, simple in structure, also reduced cost simultaneously.
(2), the present invention is by arranging the oilhole that continues with the valve rocker oil outlet and realizing the lubricated, simple and reliable for structure of rocker-arm roller along Zhou Fangxiang formation lubrication groove at the rocker-arm roller axle.
Description of drawings
Fig. 1 is the plan view of cylinder head front end lubricating oil path of the present invention.
Fig. 2 is the plan view of cylinder head of the present invention rear end lubricating oil path.
Fig. 3 is the axle journal lubricant oil road structure schematic representation of convexity wheel shaft of the present invention.
Fig. 4 is the structural representation of valve rocker lubricating oil path among the present invention.
Fig. 5 is the oil groove structural representation of valve rocker bushing among the present invention.
Fig. 6 is the structural representation of the lubricating oil path of rocker-arm roller among the present invention.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure, the present invention mainly is made of parts such as cylinder head body 1, front bearing cover of cam shaft 2, seal ring 3, camshaft bush 4, camshaft 5, pitman arm shaft 6, camshaft rear bearing cover 7, camshaft plummer block keep 8, setting sleeve 9, pitman arm shaft bolt 10, valve rocker bushing 11, valve rocker 12, rocker-arm roller axle 13 and rocker-arm rollers 14.
The lubricating structure of this cylinder head, comprise cylinder head body 1 and pitman arm shaft 6, hard-wired front bearing cover of cam shaft 2 on cylinder head body 1, camshaft plummer block keep 8 and camshaft rear bearing cover 7, at front bearing cover of cam shaft 2, camshaft plummer block keep 8 is equipped with camshaft bush 4 with camshaft rear bearing cover 7 inside, described pitman arm shaft 6 is installed in front bearing cover of cam shaft 2, on camshaft plummer block keep 8 and the camshaft rear bearing cover 7; the pitman arm shaft bolt is with pitman arm shaft 6; front bearing cover of cam shaft 2; camshaft plummer block keep 8; camshaft rear bearing cover 7 is fixed as one with cylinder head body 1; by valve rocker bushing 11 valve rocker 12 is installed on pitman arm shaft 6; at valve rocker 12 rocker-arm roller axle 13 is installed, at rocker-arm roller axle 13 rocker-arm roller 14 is installed;
Offer cylinder head front end oilhole 1a in the front end inside of cylinder head body 1, offer cylinder head rear end oilhole 1b in the inside, rear end of cylinder head body 1, begin to have cylinder head lubricating oil groove 1c at the end face of the cylinder head body 1 of camshaft plummer block keep 8 positions;
In front bearing cover of cam shaft 2, offer front bearing cover of cam shaft oilhole 2a, in camshaft rear bearing cover 7, offer camshaft rear bearing cover oilhole 7a;
In camshaft bush 4, offer camshaft bush oilhole 4a;
Offer pitman arm shaft oil inlet hole 6c at pitman arm shaft 6, offer pitman arm shaft axial lubrication hole 6a in the medial axis of pitman arm shaft 6 direction; the radial direction of pitman arm shaft 6 offers radially oilhole 6b of pitman arm shaft; pitman arm shaft oil inlet hole 6c is communicated with pitman arm shaft axial lubrication hole 6a, pitman arm shaft axial lubrication hole 6a and pitman arm shaft radially oilhole 6b are communicated with;
Inwall at valve rocker bushing 11 circumferentially offers valve rocker bushing oil groove 11a, upwards offer valve rocker bushing oilhole 11b in the footpath of valve rocker bushing 11, valve rocker bushing oil groove 11a is communicated with valve rocker bushing oilhole 11b;
In valve rocker 12, offer valve rocker oilhole 12a;
Offer rocker-arm roller spindle oil hole 13a in rocker-arm roller axle 13, circumferentially offer rocker-arm roller spindle oil groove 13b at the outer wall of rocker-arm roller axle 13, rocker-arm roller spindle oil hole 13a is communicated with rocker-arm roller spindle oil groove 13b;
Described cylinder head front end oilhole 1a is communicated with front bearing cover of cam shaft oilhole 2a, and the camshaft bush oilhole 4a that front bearing cover of cam shaft oilhole 2a is corresponding with it is communicated with; Described cylinder head rear end oilhole 1b is communicated with camshaft rear bearing cover oilhole 7a, and the camshaft bush oilhole 4a that camshaft rear bearing cover oilhole 7a is corresponding with it is communicated with; The camshaft bush oilhole 4a that cylinder head lubricating oil groove 1c is corresponding with it is communicated with;
Described front bearing cover of cam shaft oilhole 2a, camshaft rear bearing cover oilhole 7a all are communicated with pitman arm shaft oil inlet hole 6c; Pitman arm shaft radially oilhole 6b is communicated with valve rocker bushing oil groove 11a, and valve rocker bushing oilhole 11b is communicated with valve rocker oilhole 12a, and valve rocker oilhole 12a is communicated with rocker-arm roller spindle oil hole 13a.
The described pitman arm shaft bolt 10 outer setting sleeves 9 that are socketed with, inwall and pitman arm shaft bolt 10 outer walls at described setting sleeve 9 form oil groove 9a, described oil groove 9a one end is communicated with pitman arm shaft axial lubrication hole 6a, and the oil groove 9a the other end is communicated with camshaft bush oilhole 4a.
Described rocker-arm roller spindle oil hole 13a is circular straight hole, and the axis of the axis of rocker-arm roller spindle oil hole 13a and rocker-arm roller axle 13 is acute angle and intersects.
As shown in Figure 1, enter the front bearing cover of cam shaft oilhole 2a of front bearing cover of cam shaft 2 by way of the cylinder head front end oilhole 1a of cylinder head body 1 from body front end lubricant oil out, seal by seal ring 3 between cylinder head front end oilhole 1a and the front bearing cover of cam shaft oilhole 2a, lubricant oil by way of front bearing cover of cam shaft oilhole 2a is divided into two-way, and one road lubricant oil enters the front end main journal of the endoporus camshaft lubrication 5 of camshaft bush 4 by camshaft bush oilhole 4a; Another road lubricant oil enters pitman arm shaft oil inlet hole 6c, and lubricant oil comes together in pitman arm shaft axial lubrication hole 6a, by pitman arm shaft radially oilhole 6b disperse away; Seal by seal ring 3 between front bearing cover of cam shaft oilhole 2a and the pitman arm shaft oil inlet hole 6c.
As shown in Figure 2, lubricant oil approach cylinder head rear end oilhole 1b out enters camshaft rear bearing cover oilhole 7a from body rear end, seal by seal ring 3 between cylinder head rear end oilhole 1b and the camshaft rear bearing cover oilhole 7a, lubricant oil by way of camshaft rear bearing cover oilhole 7a is divided into two-way, and one road lubricant oil enters the rear end main journal of the endoporus camshaft lubrication 5 of camshaft bush 4 by camshaft bush oilhole 4a; Another road lubricant oil enters pitman arm shaft oil inlet hole 6c, and lubricant oil comes together in pitman arm shaft axial lubrication hole 6a, by pitman arm shaft radially oilhole 6b disperse away; Seal by seal ring 3 between camshaft rear bearing cover oilhole 7a and the pitman arm shaft oil inlet hole 6c.
As shown in Figure 3, the source of lubricating of the intermediate support axle journal of camshaft 5 is in the lubricant oil that collects in pitman arm shaft axial lubrication hole 6a, come together in the lubricant oil approach positioning cylinder lid body 1 of pitman arm shaft axial lubrication hole 6a and the setting sleeve oil groove 9a of camshaft plummer block keep 8, lubricant oil is from the pitman arm shaft bolt 10 of camshaft plummer block keep 8 and the gap inflow cylinder head lubricating oil groove 1c of the oil groove 9a of setting sleeve 9 formation, enter the middle main journal of the endoporus camshaft lubrication 5 of camshaft bush 4 through camshaft bush oilhole 4a, this structure has 5 places, can be according to the quantity of cylinder corresponding increase or reduce the quantity of this structure.
Such as Fig. 4, shown in Figure 5, another road of lubricant oil that comes together in pitman arm shaft axial lubrication hole 6a by pitman arm shaft radially oilhole 6b enter valve rocker bushing oil groove 11a, the lubricant oil part of valve rocker bushing oil groove 11a is introduced in the lubricated section of valve rocker 12 in the rotation motion of engine oil pressure and valve rocker 12, this structure has 12 places, can be according to the quantity of cylinder corresponding increase or reduce the quantity of this structure.
Such as Fig. 4, Fig. 5, shown in Figure 6, the lubricant oil that is introduced into valve rocker bushing oil groove 11a is used for the lubricated section of lubricated valve rocker 12 except a part as shown in Figure 4, another part is the valve rocker bushing oilhole 11b by communicating with the horizontal oil groove of valve rocker bushing oil groove 11a then, the lubricant oil of approach valve rocker bushing oilhole 11b is introduced into coupled valve rocker oil groove 12a, by valve rocker oilhole 12a lubricant oil is incorporated into rocker-arm roller spindle oil hole 13a at last, lubricate at last the lubricated section of rocker-arm roller 14 by rocker-arm roller spindle oil groove 13b by way of the lubricant oil of rocker-arm roller spindle oil hole 13a, this structure has 12 places, can be according to the quantity of cylinder corresponding increase or reduce the quantity of this structure.
Claims (7)
1. the lubricating structure of a cylinder head, comprise cylinder head body (1) and pitman arm shaft (6), at cylinder head body (1) fixed installation front bearing cover of cam shaft (2), camshaft plummer block keep (8) and camshaft rear bearing cover (7), in front bearing cover of cam shaft (2), camshaft plummer block keep (8) is equipped with camshaft bush (4) with camshaft rear bearing cover (7) inside, described pitman arm shaft (6) is installed in front bearing cover of cam shaft (2), on camshaft plummer block keep (8) and the camshaft rear bearing cover (7); pitman arm shaft bolt (10) is with pitman arm shaft (6); front bearing cover of cam shaft (2); camshaft plummer block keep (8); camshaft rear bearing cover (7) is fixed as one with cylinder head body (1); by valve rocker bushing (11) valve rocker (12) is installed at pitman arm shaft (6); at valve rocker (12) rocker-arm roller axle (13) is installed, at rocker-arm roller axle (13) rocker-arm roller (14) is installed; It is characterized in that:
The front end inside of described cylinder head body (1) offers cylinder head front end oilhole (1a), offer cylinder head rear end oilhole (1b) in the inside, rear end of cylinder head body (1), offer cylinder head lubricating oil groove (1c) at the end face of the cylinder head body (1) of camshaft plummer block keep (8) position;
In front bearing cover of cam shaft (2), offer front bearing cover of cam shaft oilhole (2a), in camshaft rear bearing cover (7), offer camshaft rear bearing cover oilhole (7a);
Offer pitman arm shaft oil inlet hole (6c) at pitman arm shaft (6), medial axis direction at pitman arm shaft (6) offers pitman arm shaft axial lubrication hole (6a); the radial direction of pitman arm shaft (6) offers radially oilhole (6b) of pitman arm shaft; pitman arm shaft oil inlet hole (6c) is communicated with pitman arm shaft axial lubrication hole (6a), and pitman arm shaft axial lubrication hole (6a) and pitman arm shaft radially oilhole (6b) are communicated with;
Described cylinder head front end oilhole (1a) is communicated with front bearing cover of cam shaft oilhole (2a), and the camshaft bush oilhole (4a) that front bearing cover of cam shaft oilhole (2a) is corresponding with it is communicated with; Described cylinder head rear end oilhole (1b) is communicated with camshaft rear bearing cover oilhole (7a), and the camshaft bush oilhole (4a) that camshaft rear bearing cover oilhole (7a) is corresponding with it is communicated with;
Described front bearing cover of cam shaft oilhole (2a), camshaft rear bearing cover oilhole (7a) all are communicated with pitman arm shaft oil inlet hole (6c);
The outer setting sleeve (9) that is socketed with of described pitman arm shaft bolt (10), the outer wall of the inwall of described setting sleeve (9) and pitman arm shaft bolt (10) forms oil groove (9a), described oil groove (9a) end is communicated with pitman arm shaft axial lubrication hole (6a), and oil groove (9a) the other end is communicated with camshaft bush oilhole (4a) by cylinder head lubricating oil groove (1c).
2. the lubricating structure of cylinder head as claimed in claim 1 is characterized in that: offer camshaft bush oilhole (4a) in the described camshaft bush (4).
3. the lubricating structure of cylinder head as claimed in claim 1 is characterized in that: offer valve rocker oilhole (12a) in the described valve rocker (12).
4. the lubricating structure of cylinder head as claimed in claim 1, it is characterized in that: offer rocker-arm roller spindle oil hole (13a) in the described rocker-arm roller axle (13), outer wall at rocker-arm roller axle (13) circumferentially offers rocker-arm roller spindle oil groove (13b), and rocker-arm roller spindle oil hole (13a) is communicated with rocker-arm roller spindle oil groove (13b).
5. the lubricating structure of cylinder head as claimed in claim 1, it is characterized in that: the inwall of described valve rocker bushing (11) circumferentially offers valve rocker bushing oil groove (11a), upwards offer valve rocker bushing oilhole (11b) in the footpath of valve rocker bushing (11), valve rocker bushing oil groove (11a) is communicated with valve rocker bushing oilhole (11b).
6. the lubricating structure of cylinder head as claimed in claim 5, it is characterized in that: described pitman arm shaft radially oilhole (6b) is communicated with valve rocker bushing oil groove (11a), valve rocker bushing oilhole (11b) is communicated with valve rocker oilhole (12a), and valve rocker oilhole (12a) is communicated with rocker-arm roller spindle oil hole (13a).
7. the lubricating structure of cylinder head as claimed in claim 4 is characterized in that: described rocker-arm roller spindle oil hole (13a) is circular straight hole, and the axis of the axis in rocker-arm roller spindle oil hole (13a) and rocker-arm roller axle (13) to be acute angle crossing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105264239A CN101956625B (en) | 2010-10-31 | 2010-10-31 | Lubricating structure of cylinder head |
| PCT/CN2011/001142 WO2012055150A1 (en) | 2010-10-31 | 2011-07-11 | Cylinder head lubrication structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105264239A CN101956625B (en) | 2010-10-31 | 2010-10-31 | Lubricating structure of cylinder head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101956625A CN101956625A (en) | 2011-01-26 |
| CN101956625B true CN101956625B (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105264239A Active CN101956625B (en) | 2010-10-31 | 2010-10-31 | Lubricating structure of cylinder head |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101956625B (en) |
| WO (1) | WO2012055150A1 (en) |
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| CN101956625B (en) * | 2010-10-31 | 2013-03-20 | 无锡开普动力有限公司 | Lubricating structure of cylinder head |
| CN104329138B (en) * | 2014-10-10 | 2016-06-01 | 重庆隆鑫发动机有限公司 | A kind of cylinder skull multi-point injection lubrication system |
| FR3053399B1 (en) | 2016-07-01 | 2018-07-27 | Peugeot Citroen Automobiles Sa | CAMSHAFT HOLDER WITH BEARING CAPS PERCES OF AN OIL PASSAGE |
| CN106089345A (en) * | 2016-08-18 | 2016-11-09 | 东风朝阳朝柴动力有限公司 | Intermediate rockers seat with lubricating function |
| DE102017118862A1 (en) | 2017-08-18 | 2019-02-21 | Man Truck & Bus Ag | Device for rotatably supporting a camshaft |
| CN109356742B (en) * | 2018-12-12 | 2021-01-08 | 中国北方发动机研究所(天津) | Engine cylinder cover with lubricating oil channel |
| CN110552751A (en) * | 2019-09-18 | 2019-12-10 | 广西玉柴机器股份有限公司 | take lubricating structure's inside and outside roller type rocking arm |
| CN111102028B (en) * | 2019-12-20 | 2021-04-16 | 潍柴动力股份有限公司 | Rocker arm assembly, valve distribution structure and engine |
| US20220252000A1 (en) * | 2021-02-05 | 2022-08-11 | Honda Motor Co., Ltd. | Engine, outboard motor, and watercraft |
| CN114183217B (en) * | 2021-10-29 | 2023-07-21 | 东风商用车有限公司 | Cast iron rocker arm structure |
| CN114233427A (en) * | 2022-01-28 | 2022-03-25 | 湖南道依茨动力有限公司 | Camshaft and rocker shaft mounting structure, engine and engineering equipment |
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| CN1280650A (en) * | 1997-11-26 | 2001-01-17 | 大众汽车有限公司 | Cylinder head for an internal combustion engine with a pump-jet unit |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101956625A (en) | 2011-01-26 |
| WO2012055150A1 (en) | 2012-05-03 |
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