WO2013020358A1 - Lubrication mechanism of valve rocker arm - Google Patents

Lubrication mechanism of valve rocker arm Download PDF

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Publication number
WO2013020358A1
WO2013020358A1 PCT/CN2012/001030 CN2012001030W WO2013020358A1 WO 2013020358 A1 WO2013020358 A1 WO 2013020358A1 CN 2012001030 W CN2012001030 W CN 2012001030W WO 2013020358 A1 WO2013020358 A1 WO 2013020358A1
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WO
WIPO (PCT)
Prior art keywords
rocker arm
valve
lubricating oil
rocker
oil passage
Prior art date
Application number
PCT/CN2012/001030
Other languages
French (fr)
Chinese (zh)
Inventor
肖亨琳
牛克勇
Original Assignee
无锡开普动力有限公司
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Filing date
Publication date
Application filed by 无锡开普动力有限公司 filed Critical 无锡开普动力有限公司
Publication of WO2013020358A1 publication Critical patent/WO2013020358A1/en

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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
    • F01M9/107—Lubrication of valve gear or auxiliaries of rocker shaft bearings
    • 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
    • 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
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • 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
    • 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
    • F01L1/14—Tappets; Push rods
    • F01L1/146—Push-rods
    • 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
    • F01L1/182—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft
    • 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
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • 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
    • 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
    • F01L2810/00—Arrangements solving specific problems in relation with valve gears
    • F01L2810/02—Lubrication

Definitions

  • the present invention relates to a lubricating mechanism for a valve rocker arm, in particular, to achieve intermittent oil supply while focusing on lubrication of each friction portion.
  • the lubrication modes of the internal combustion engine include pressure lubrication, splash lubrication, and gravity lubrication.
  • the lubrication of the traditional internal combustion engine rocker arm mechanism generally takes one or two of the above methods.
  • the problem of this lubrication is that the rocker arm mechanism continues to supply oil continuously, which not only causes excessive lubrication in the valve box, but also causes Waste of lubricating oil. Summary of the invention
  • the object of the present invention is to overcome the above-mentioned deficiencies, thereby providing a lubrication mechanism for a valve rocker arm, which not only can achieve key lubrication of each contact friction portion, ensures lubrication reliability, and realizes intermittent supply.
  • the oil that is, when only the intake and exhaust valves are open, the lubricating oil passage in the entire lubrication mechanism is gradually turned on.
  • a lubrication mechanism of a valve rocker arm includes a rocker arm support, a rocker arm shaft, a valve rocker arm bushing, a rocker arm, a ball head block seat, a ball head block, and a valve Gap adjustment bolt, push rod ball groove, push rod, putter ball head, swing arm ball groove, valve, valve cross bridge, the rocker arm support press rocker shaft, valve rocker arm bushing, ball head live
  • the block seats are respectively pressed into the rocker arm, and the ball head block is embedded in the ball head block seat
  • the rocker arm is mounted on both ends of the rocker arm shaft, the rocker arm support is fixed on the cylinder head, and the putter ball is arranged on the push rod
  • the groove and the valve clearance adjustment bolt are connected with one end of the push rod; the other end of the push rod is provided with a putter ball head, the push rod ball head is connected with the swing arm ball groove; the exhaust valve is connected with the valve cross bridge, and the valve crosses the bridge
  • the ball head block is provided with a lubricating oil passage.
  • the ball head block is provided with a lubricating oil passage.
  • valve clearance adjusting bolt is provided with a lubricating oil passage.
  • the present invention has the following advantages over the prior art:
  • the invention has the beneficial effects that the intermittent oil supply can be realized, and in the case of ensuring the key lubrication of the contact friction parts, the phenomenon that the valve box lubricating oil is excessive and the lubricating oil is wasted is avoided. Only the lubrication sleeve is provided in the lubrication mechanism, and the structure is simple. DRAWINGS
  • Fig. 1 is a longitudinal sectional view showing the structure of the present invention.
  • the rocker arm support 1, the rocker arm shaft 2, the valve rocker arm bushing 3, the rocker arm 4, the ball joint block 5, the ball joint block 6, and the valve clearance adjusting bolt 7 are included.
  • the lubricating oil path is indicated by an arrow in the figure.
  • the rocker arm support 1 is provided with a lubricating oil passage 1-1.
  • the rocker arm support 1 is press-fitted into the rocker arm shaft 2, and the rocker arm shaft 2 is provided with a lubricating oil passage 2-1.
  • the valve rocker bushing 3 is provided with a lubricating oil passage 3-1; the valve rocker bushing 3 and the ball joint block 5 are respectively pressed into the rocker arm 4, and the rocker arm 4 is provided with a lubricating oil passage 4-1.
  • the ball head block 6 is embedded in the ball head block 5 to ensure flexible rotation of the ball block block 5, which is mounted at both ends of the rocker shaft 2, and then locks the valve gap adjusting bolt 7 by a nut.
  • the rocker arm support 1 is fixed to the cylinder head.
  • the lubricating oil passage 4-1 on the rocker arm 4 and the lubricating oil passage 3-1 on the rocker arm bushing 3 are respectively communicated with the lubricating oil passage 2-1 on the rocker shaft 2;
  • the lubricating oil in the lubricating oil passage 1-1 flows into the lubricating oil passage 2-1 and the lubricating oil passage 3-1.
  • the push rod 9 is provided with a putter ball groove 8 , and the valve clearance adjusting bolt 7 is connected with the push rod 9 end; the other end of the push rod 9 is provided with a putter ball head 10 , the push rod ball head 10 and the swing arm ball groove 11
  • the exhaust valve 12 is connected to the valve bridge 13, and the valve bridge 13 is connected to the ball joint block 6, and the ball head block 6 is provided with a lubricating oil passage 6-1.
  • the ball head block 6 opens and closes the intake and exhaust valves 12 by the valve bridge 13 by compressing the valve spring.
  • the rocker arm support 1 is provided with a rocker arm bearing oil passage 1-1, and the rocker arm shaft 2 is provided with a rocker shaft lubricating oil passage 2-1, and the valve rocker arm bushing 3 There is a valve rocker bushing lubricating oil passage hole 3-1; the rocker arm 4 is provided with a rocker lubricating oil passage 4-1; the rocker arm lubricating oil passage 4-1 and the valve on the rocker arm 4
  • the rocker bushing lubricating oil passage holes 3-1 are respectively communicated with the rocker lubricating oil passages 2-1 on the rocker shaft 2; thereby achieving intermittent oil supply purposes.
  • the lubricating oil in the rocker bearing lubricating oil passage 1-1 flows into the rocker shaft lubricating oil passage 2-1 and the rocker bush lubricating oil passage 3-1.
  • the ball head block 5 is provided with a lubricating oil passage 5-1.
  • the ball head block 6 is provided with a lubricating sleeve 6-1.
  • the valve clearance adjusting bolt 7 is provided with a lubricating oil passage 7-1.
  • the lubricating oil passage is arranged in the valve rocker arm mechanism, and only when the intake and exhaust valves are opened, the rocker arm lubricating oil passage 1-1 and the rocker shaft lubricating oil passage 2-1 can be combined with the valve rocker arm
  • the bushing lubricating oil passage hole 3 - 1, the rocker lubricating oil passage 4-1 is turned on, and the pressure oil is sprayed to the ball joint block seat lubricating oil passage 5-1 through the rocker lubricating oil passage 4-1, and the valve clearance is adjusted.

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

A lubrication mechanism of a valve rocker arm, comprising a rocker arm base (1), a rocker arm shaft (2), a valve rocker arm bushing (3), a valve (12), and a valve bridge (13). The rocker arm base (1) is provided thereon with a rocker arm base lubricating oil passage (1-1). The rocker arm shaft (2) is provided thereon with a rocker arm shaft lubricating oil passage (2-1). The valve rocker arm bushing (3) is provided therein with a valve rocker arm bushing lubricating oil passage (3-1). The rocker arm (4) is provided thereon with a rocker arm lubricating oil passage (4-1). The rocker arm lubricating oil passage (4-1) and the valve rocker arm bushing lubricating oil passage (3-1) respectively are in communication with the rocker arm lubricating oil passage (2-1) on the rocker arm shaft (2). A lubricating oil in the rocker arm base lubricating oil passage (1-1) flows into the rocker arm shaft lubricating oil passage (2-1) and into the valve rocker arm bushing lubricating oil passage (3-1). The lubrication mechanism of the valve rocker arm allows for implementation of intermittent oil supply, and, under the premises of providing each contact friction part with focused lubrication, prevents wastage of the lubricating oil due to excessive lubricating oil in a valve box.

Description

一种气门摇臂的润滑机构 技术领域  Lubricating mechanism of valve rocker arm
[0001] 本发明涉及一种气门摇臂的润滑机构,具体地说是实现了间歇供油的同时，又做 到各摩擦部位重点润滑。 背景技术  [0001] The present invention relates to a lubricating mechanism for a valve rocker arm, in particular, to achieve intermittent oil supply while focusing on lubrication of each friction portion. Background technique
[0002] 在已有技术中，目前，内燃机的润滑方式有压力润滑、飞溅润滑和重力润滑三种。 传统内燃机摇臂机构的润滑一般釆取上述方式的一种或两种,这种润滑存在的问题是摇臂 机构中，持续不间断的供油，不但使气门箱内润滑油过多，而且造成润滑油的浪费。 发明内容  [0002] In the prior art, at present, the lubrication modes of the internal combustion engine include pressure lubrication, splash lubrication, and gravity lubrication. The lubrication of the traditional internal combustion engine rocker arm mechanism generally takes one or two of the above methods. The problem of this lubrication is that the rocker arm mechanism continues to supply oil continuously, which not only causes excessive lubrication in the valve box, but also causes Waste of lubricating oil. Summary of the invention
[0003] 本发明的目的在于克服上述不足之处,从而提供一种气门摇臂的润滑机构，该润 滑机构不仅能实现各接触摩擦部位重点润滑，保证了润滑的可靠性，而且实现了间歇供油， 也就是只有进、排气门打开的时候,整个润滑机构中的润滑油道才逐渐接通。  [0003] The object of the present invention is to overcome the above-mentioned deficiencies, thereby providing a lubrication mechanism for a valve rocker arm, which not only can achieve key lubrication of each contact friction portion, ensures lubrication reliability, and realizes intermittent supply. The oil, that is, when only the intake and exhaust valves are open, the lubricating oil passage in the entire lubrication mechanism is gradually turned on.
[0004] 按照本发明提供的技术方案,一种气门摇臂的润滑机构包括摇臂支座、摇臂轴、气 门摇臂衬套、摇臂、球头活块座、球头活块、气门间隙调节螺栓、推杆球槽、推杆、推杆球头、 摆臂球槽、气门、气门过桥,所述摇臂支座中压入摇臂轴,气门摇臂衬套、球头活块座分别压 入摇臂，球头活块嵌入球头活块座,所述摇臂装在摇臂轴的两端，摇臂支座固定在汽缸盖 上，推杆上设有推杆球槽，气门间隙调节嫘栓与推杆一端相连接；推杆另一端装有推杆球 头，推杆球头与摆臂球槽相连接；排气门与气门过桥相连接,气门过桥与球头活块相连接； 特征是：所述摇臂支座上设有摇臂支座润滑油道,所述摇臂轴上设有摇臂轴润滑油道，所述 气门摇臂衬套中设有气门摇臂衬套润滑油道孔；所述摇臂上设有摇臂润滑油道；所述摇臂 上的摇臂润滑油道及气门摇臂衬套润滑油道孔分别与所述摇臂轴上的摇臂润滑油道相连 通；所述摇臂支座润滑油道中的润滑袖流入摇臂轴润滑袖道和摇臂衬套润滑油道 According to the technical solution provided by the present invention, a lubrication mechanism of a valve rocker arm includes a rocker arm support, a rocker arm shaft, a valve rocker arm bushing, a rocker arm, a ball head block seat, a ball head block, and a valve Gap adjustment bolt, push rod ball groove, push rod, putter ball head, swing arm ball groove, valve, valve cross bridge, the rocker arm support press rocker shaft, valve rocker arm bushing, ball head live The block seats are respectively pressed into the rocker arm, and the ball head block is embedded in the ball head block seat, the rocker arm is mounted on both ends of the rocker arm shaft, the rocker arm support is fixed on the cylinder head, and the putter ball is arranged on the push rod The groove and the valve clearance adjustment bolt are connected with one end of the push rod; the other end of the push rod is provided with a putter ball head, the push rod ball head is connected with the swing arm ball groove; the exhaust valve is connected with the valve cross bridge, and the valve crosses the bridge The utility model is characterized in that: the rocker arm support is provided with a rocker arm bearing lubricating oil passage, and the rocker arm shaft is provided with a rocker arm lubricating oil passage, the valve rocker arm bushing There is a valve rocker bushing lubricating oil passage hole; the rocker arm is provided with a rocker lubricating oil passage; the rocker lubricating oil passage and the valve rocker arm bushing on the rocker arm are run The rocker oil passage holes respectively of the rocker arm shaft lubricating oil passage in communication; lubricating the rocker bearing lubrication passage flows into the rocker arm shaft sleeve lubrication channels and the rocker arm bush sleeves lubricant channel
[0005] 作为本发明的进一步改进,所述球头活块座上设有润滑油道。 [0005] As a further improvement of the present invention, the ball head block is provided with a lubricating oil passage.
[0006] 作为本发明的进一步改进,所述球头活块上设有润滑油道。 [0006] As a further improvement of the present invention, the ball head block is provided with a lubricating oil passage.
[0007] 作为本发明的进一步改进,所述气门间隙调节螺栓上设有润滑油道。 [0007] As a further improvement of the present invention, the valve clearance adjusting bolt is provided with a lubricating oil passage.
[0008] 本发明与已有技术相比具有以下优点： [0008] The present invention has the following advantages over the prior art:
本发明的有益效果是，可以实现间歇供油，在保证各接触摩擦部位重点润滑的情况下， 又避免了气门箱润滑油过多，润滑油浪费的现象。 润滑机构中仅设置润滑袖道，结构简单。 附图说明  The invention has the beneficial effects that the intermittent oil supply can be realized, and in the case of ensuring the key lubrication of the contact friction parts, the phenomenon that the valve box lubricating oil is excessive and the lubricating oil is wasted is avoided. Only the lubrication sleeve is provided in the lubrication mechanism, and the structure is simple. DRAWINGS
10009] 图 1为本发明结构纵向剖视图。  10009] Fig. 1 is a longitudinal sectional view showing the structure of the present invention.
[0010] 图 2为本发明结构横向剖视图。 具体实施方式 2 is a transverse cross-sectional view showing the structure of the present invention. detailed description
[0011] 下面本发明将结合附图中的实施例作进一步描述： 如图 1〜图 2所示，包括摇臂支座 1、摇臂轴 2、气门摇臂衬套 3、摇臂 4、球头活块座 5、 球头活块 6、气门间隙调节螺栓 7、推杆球槽 8、推杆 9、推杆球头 10、摆臂球槽 11、气门 12及 气门过桥 13等。 [0011] The invention will be further described below in conjunction with the embodiments of the drawings: As shown in FIG. 1 to FIG. 2, the rocker arm support 1, the rocker arm shaft 2, the valve rocker arm bushing 3, the rocker arm 4, the ball joint block 5, the ball joint block 6, and the valve clearance adjusting bolt 7 are included. , the putter ball slot 8, the push rod 9, the putter ball head 10, the swing arm ball groove 11, the valve 12 and the valve bridge 13 and the like.
[0012] 图中用箭头标示了润滑油路。所述摇臂支座 1上设有润滑油道 1-1，所述摇臂支座 1中压入摇臂轴 2，所述摇臂轴 2上设有润滑油道 2-1，所述气门摇臂衬套 3中设有润滑油道 3-1；气门摇臂衬套 3、球头活块座 5分别压入摇臂 4,所述摇臂 4上设有润滑油道 4-1。球头 活块 6嵌入球头活块座 5，确保球头活块座 5能够灵活转动，所述摇臂 4装在摇臂轴 2的两 端，再通过螺母把气门间隙调节螺栓 7锁在摇臂 4上，摇臂支座 1固定在汽缸盖上。所述摇 臂 4上的润滑油道 4-1及气门摇臂衬套 3上的润滑油道 3-1分别与所述摇臂轴 2上的润滑 油道 2-1相连通；从而达到间歇供油目的；所述润滑油道 1-1中的润滑油流入润滑油道 2 - 1 和润滑油道 3-1。 推杆 9上设有推杆球槽 8，气门间隙调节螺栓 7与推杆 9—端相连接；推 杆 9另一端装有推杆球头 10,推杆球头 10与摆臂球槽 11相连接；排气门 12与气门过桥 13 相连接，气门过桥 13与球头活块 6相连接,所述球头活块 6上设有润滑油道 6-1。球头活块 6通过气门过桥 13压縮气门弹簧来实现进、排气门 12的打开和关闭。  [0012] The lubricating oil path is indicated by an arrow in the figure. The rocker arm support 1 is provided with a lubricating oil passage 1-1. The rocker arm support 1 is press-fitted into the rocker arm shaft 2, and the rocker arm shaft 2 is provided with a lubricating oil passage 2-1. The valve rocker bushing 3 is provided with a lubricating oil passage 3-1; the valve rocker bushing 3 and the ball joint block 5 are respectively pressed into the rocker arm 4, and the rocker arm 4 is provided with a lubricating oil passage 4-1. . The ball head block 6 is embedded in the ball head block 5 to ensure flexible rotation of the ball block block 5, which is mounted at both ends of the rocker shaft 2, and then locks the valve gap adjusting bolt 7 by a nut. On the rocker arm 4, the rocker arm support 1 is fixed to the cylinder head. The lubricating oil passage 4-1 on the rocker arm 4 and the lubricating oil passage 3-1 on the rocker arm bushing 3 are respectively communicated with the lubricating oil passage 2-1 on the rocker shaft 2; For oil supply purposes; the lubricating oil in the lubricating oil passage 1-1 flows into the lubricating oil passage 2-1 and the lubricating oil passage 3-1. The push rod 9 is provided with a putter ball groove 8 , and the valve clearance adjusting bolt 7 is connected with the push rod 9 end; the other end of the push rod 9 is provided with a putter ball head 10 , the push rod ball head 10 and the swing arm ball groove 11 The exhaust valve 12 is connected to the valve bridge 13, and the valve bridge 13 is connected to the ball joint block 6, and the ball head block 6 is provided with a lubricating oil passage 6-1. The ball head block 6 opens and closes the intake and exhaust valves 12 by the valve bridge 13 by compressing the valve spring.
C0013] 所述摇臂支座 1上设有摇臂支座润滑油道 1-1，所述摇臂轴 2上设有摇臂轴润滑油 道 2-1，所述气门摇臂衬套 3中设有气门摇臂衬套润滑油道孔 3-1；所述摇臂 4上设有摇臂 润滑油道 4-1；所述摇臂 4上的摇臂润滑油道 4-1及气门摇臂衬套润滑油道孔 3-1分别与 所述摇臂轴 2上的摇臂润滑油道 2-1相连通；从而达到间歇供油目的。 所述摇臂支座润滑 油道 1-1中的润滑油流入摇臂轴润滑油道 2-1和摇臂衬套润滑油道 3-1。 C0013] The rocker arm support 1 is provided with a rocker arm bearing oil passage 1-1, and the rocker arm shaft 2 is provided with a rocker shaft lubricating oil passage 2-1, and the valve rocker arm bushing 3 There is a valve rocker bushing lubricating oil passage hole 3-1; the rocker arm 4 is provided with a rocker lubricating oil passage 4-1; the rocker arm lubricating oil passage 4-1 and the valve on the rocker arm 4 The rocker bushing lubricating oil passage holes 3-1 are respectively communicated with the rocker lubricating oil passages 2-1 on the rocker shaft 2; thereby achieving intermittent oil supply purposes. The lubricating oil in the rocker bearing lubricating oil passage 1-1 flows into the rocker shaft lubricating oil passage 2-1 and the rocker bush lubricating oil passage 3-1.
C0014] 所述球头活块座 5上设有润滑油道 5-1。所述球头活块 6上设有润滑袖道 6-1。所 述气门间隙调节螺栓 7上设有润滑油道 7-1。 C0014] The ball head block 5 is provided with a lubricating oil passage 5-1. The ball head block 6 is provided with a lubricating sleeve 6-1. The valve clearance adjusting bolt 7 is provided with a lubricating oil passage 7-1.
[0015] 来自缸盖油孔的压力油通过摇臂支座润滑油道 1-1流入摇臂轴润滑油道 2-1和气 门摇臂衬套润滑油道孔 3-1，以润滑摇臂轴 2和气门摇臂衬套 3。 随  [0015] The pressure oil from the oil hole of the cylinder head flows into the rocker shaft lubricating oil passage 2-1 and the valve rocker bush lubricating oil passage hole 3-1 through the rocker bearing lubricating oil passage 1-1 to lubricate the rocker arm Shaft 2 and valve rocker bushing 3. With
着摇臂 4的摇摆，摇臂进、排气门打开，摇臂润滑油道 4-1和气门摇臂衬套的润滑油道 孔 3-1逐渐与摇臂轴润滑油道 2-1接通，压力油通过摇臂润滑油 4-1道喷射到球头活块座 润滑油道 5-1、气门间隙调节螺栓润滑油道 7-1和球头活块润滑油道 6-1，然后再由于润滑 油的重力在摇臂摇摆中进行润滑推杆球槽 8、推杆 9、推杆球头 10、摆臂球槽 11及气门过桥 13和气门 12。 通过在润滑机构零部件中设置润滑油道，既实现了间歇供油，保证了摇臂机 构中各摩擦部位的重点润滑，又避免了气门箱润滑油过多。  The swinging of the rocker arm 4, the rocker arm inlet and the exhaust valve opening, the rocker oil passage 4-1 and the lubricating oil passage hole 3-1 of the valve rocker arm bushing are gradually connected with the rocker shaft lubricating oil passage 2-1. Pass, the pressure oil is sprayed through the rocker arm lubricating oil 4-1 to the ball head block block lubricating oil passage 5-1, the valve clearance adjusting bolt lubricating oil passage 7-1 and the ball joint block lubricating oil passage 6-1, and then Further, the pusher ball groove 8, the push rod 9, the push rod ball head 10, the swing arm ball groove 11, the valve cross bridge 13, and the valve 12 are lubricated in the rocker arm swing due to the gravity of the lubricating oil. By providing a lubricating oil passage in the lubrication mechanism components, intermittent oil supply is realized, the key lubrication of each friction part in the rocker arm mechanism is ensured, and excessive lubrication of the valve box lubricating oil is avoided.
C0016] 所述气门摇臂机构中设置润滑油道，只有在进、排气门打开的时候,摇臂支座润滑 油道 1-1和摇臂轴润滑油道 2-1才能与气门摇臂衬套润滑油道孔 3- 1、摇臂润滑油道 4-1接 通，压力油通过摇臂润滑油道 4-1喷射到球头活块座润滑油道 5-1、气门间隙调节嫘栓润滑 油道 7-1和球头活块润滑油道 6-1，然后再由于润滑油的重力在摇臂摇摆中进行润滑气门 12、推杆 9、推杆球头 10和摆臂球槽 11 ,进而达到润滑摇臂机构各零部件的目的。  C0016] The lubricating oil passage is arranged in the valve rocker arm mechanism, and only when the intake and exhaust valves are opened, the rocker arm lubricating oil passage 1-1 and the rocker shaft lubricating oil passage 2-1 can be combined with the valve rocker arm The bushing lubricating oil passage hole 3 - 1, the rocker lubricating oil passage 4-1 is turned on, and the pressure oil is sprayed to the ball joint block seat lubricating oil passage 5-1 through the rocker lubricating oil passage 4-1, and the valve clearance is adjusted. Lubricate the lubricating oil passage 7-1 and the ball joint block lubricating oil passage 6-1, and then perform the lubrication valve 12, the push rod 9, the push rod ball head 10 and the swing arm ball groove in the rocker swing due to the gravity of the lubricating oil. 11 , in order to achieve the purpose of lubricating the various components of the rocker arm mechanism.

Claims

权 利 要 求 Rights request
1.—种气门摇臂的润滑机构，包括摇臂支座（1)、摇臂轴（2)、气门摇臂衬套（3)、摇臂 (4)、球头活块座（5)、球头活块（6)、气门间隙调节嫘栓（7)、推杆球槽（8)、推杆（9)、推杆球 头（10)、摆臂球槽（11)、气门（12)及气门过桥（13),所述摇臂支座（1 )中压入摇臂轴（2)， 气门摇臂衬套（3)、球头活块座（5)分别压入摇臂（4),球头活块（6)嵌入球头活块座（5)，所 述摇臂（4)装在摇臂轴（2)的两端，摇臂支座（1)固定在汽缸盖上，推杆（9)上设有推杆球槽 (8)，气门间隙调节嫘栓（7)与推杆（9)—端相连接；推杆 (9)另一端装有推杆球头（10〉，推 杆球头（10)与摆臂球槽（11 )相连接；排气门（12)与气门过桥（13)相连接，气门过桥（13) 与球头活块（6)相连接；其特征是：所述摇臂支座（1 )上设有摇臂支座润滑油道（1-0，所述 摇臂轴（2)上设有摇臂轴润滑油道（2-1),所述气门摇臂衬套（3)中设有气门摇臂衬套润滑 油道孔（3-1) ;所述摇臂（4)上设有摇臂润滑油道（4-1 ) ;所述摇臂（4)上的摇臂润滑油道 (4 - 1)及气门摇臂衬套润滑油道孔（3-1)分别与所述摇臂轴（2)上的摇臂轴润滑油道（2-1) 相连通；所述摇臂支座润滑油道（1-1 )中的润滑油流入摇臂轴润滑油道（2-1 )和气门摇臂 衬套润滑油道（3-1)。 1.—The lubrication mechanism of the valve rocker arm, including the rocker arm support (1), the rocker arm shaft (2), the valve rocker arm bushing (3), the rocker arm (4), the ball head block seat (5) , ball head block (6), valve clearance adjustment 嫘 bolt (7), putter ball groove (8), push rod (9), putter ball head (10), swing arm ball groove (11), valve ( 12) and the valve bridge (13), the rocker arm (1) is pressed into the rocker shaft (2), the valve rocker bushing (3) and the ball head block (5) are respectively pressed into the rocker. The arm (4), the ball head block (6) is embedded in the ball head block (5), the rocker arm (4) is mounted on both ends of the rocker shaft (2), and the rocker arm (1) is fixed at On the cylinder head, the push rod (9) is provided with a pusher ball groove (8), the valve clearance adjusting bolt (7) is connected with the push rod (9) end, and the push rod (9) is equipped with a push rod at the other end. The ball head (10>, the putter ball head (10) is connected with the swing arm ball groove (11); the exhaust valve (12) is connected with the valve cross bridge (13), and the valve cross bridge (13) and the ball head live Block (6) is connected; characterized in that: the rocker arm support (1) is provided with a rocker arm bearing lubricating oil passage (1-0, and the rocker arm shaft (2) is provided with a rocker shaft lubrication Oil channel (2 -1), the valve rocker bushing (3) is provided with a valve rocker bushing lubricating oil passage hole (3-1); and the rocker arm (4) is provided with a rocker lubricating oil passage (4- 1); the rocker oil passage (4-1) on the rocker arm (4) and the throttle rocker bush oil passage hole (3-1) are respectively shaken with the rocker shaft (2) The arm shaft lubricating oil passage (2-1) is in communication; the lubricating oil in the rocker bearing lubricating oil passage (1-1) flows into the rocker shaft lubricating oil passage (2-1) and the valve rocker bushing lubrication Oil passage (3-1).
2.如权利要求 1所述的一种气门摇臂的润滑机构,其特征是：所述球头活块座（5)上设 有润滑油道（5-1)。  A lubricating mechanism for a valve rocker arm according to claim 1, wherein said ball joint block (5) is provided with a lubricating oil passage (5-1).
3.如权利要求 1所述的一种气门摇臂的润滑机构,其特征是：所述球头活块 (6)上设有 润滑油道（6-1〉。  A lubricating mechanism for a valve rocker arm according to claim 1, wherein said ball head block (6) is provided with a lubricating oil passage (6-1).
4.如权利要求 1所述的一种气门摇臂的润滑机构,其特征是：所述气门间隙调节螺栓 (7)上设有润滑油道（7-1)。  A lubricating mechanism for a valve rocker arm according to claim 1, wherein said valve clearance adjusting bolt (7) is provided with a lubricating oil passage (7-1).
PCT/CN2012/001030 2011-08-05 2012-07-31 Lubrication mechanism of valve rocker arm WO2013020358A1 (en)

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