CN101852109A - Integral diesel motor rockshaft - Google Patents
Integral diesel motor rockshaft Download PDFInfo
- Publication number
- CN101852109A CN101852109A CN200910232215A CN200910232215A CN101852109A CN 101852109 A CN101852109 A CN 101852109A CN 200910232215 A CN200910232215 A CN 200910232215A CN 200910232215 A CN200910232215 A CN 200910232215A CN 101852109 A CN101852109 A CN 101852109A
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- Prior art keywords
- oil
- hole
- rocker arm
- rockshaft
- lining
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an integral diesel motor rockshaft, which comprises a shaft body, wherein the shaft body is provided with oil supply holes and oil filler holes which are communicated with an inner shaft cavity; and the oil filler holes are arranged at positions, matched with rockshaft linings, of the shaft body. The integral diesel motor rockshaft is characterized in that: the shaft body is also provided with bolts which also serve as oil scattering holes, bolt holes, a positioning pin hole and an end cap hole at a shaft end, wherein the holes are communicated with the inner shaft cavity; oil greasing and shunting channels are arranged in the fixed bolts which also serve as the oil scattering holes; a rockshaft base is fixed on the shaft body by the bolt holes and the bolts which also serve as the oil scattering holes, and is provided with rockshaft base bolt holes coaxial with the bolt holes; lubricating oil passages leading to a camshaft lining are arranged on the rockshaft base bolt holes; and the fixed bolts which also serve as the oil scattering holes are communicated with the inner shaft cavity and the lubricating oil passages on the rockshaft base. The integral diesel motor rockshaft can reduce the engine oil pressure of the inner rockshaft cavity, adjust the amount of lubricating oil of the rockshaft linings, prolong the service life of the linings, reduce the consumption of engine oil, reduce the discharge of HC and particles and support a European IV discharge standard.
Description
Technical field
What the present invention relates to is a kind of engine component, and what be specifically related to is pitman arm shaft in a kind of integrated type motor.
Background technique
Motor rockshaft is to be used for providing support to rocking arm, all need lubricate when working at parts such as engine rocker and valves, it lubricates and enters the pitman arm shaft inner chamber by oil duct, arriving by the oil hole on pitman arm shaft, rocker arm bush, the rocking arm needs lubricated position again, and oil hole is positioned at the position that pitman arm shaft is cooperated with rocker arm bush on the pitman arm shaft.
Because the linear velocity of matching parts such as rocking arm, valve motion when work is lower, generally only needing a spot of lubricant oil to be used for lubricating gets final product, and the machine oil in the pitman arm shaft inner chamber is from oil pump, certain pressure is all arranged, under pressure, by the guiding of oil hole, the whipping of rocking arm has excessive machine oil and flows to the valve rod end in addition.Machine oil is just scurried in the cylinder by the fitting surface of valve stem and valve guide bushing easily like this, not only increases the oil consumption of motor, and the HC of motor and particulate emission are increased.For valve is vertical motor, and its influence is even more serious.
Summary of the invention
At the deficiency that exists on the prior art, the present invention seeks to be to provide a kind of oil level that reduces the valve rod end, prevent that machine oil from scurrying into cylinder, thereby reduce the integral diesel motor rockshaft of consumption of lubricating oil, reduce HC and particulate emission, helped emission compliance.
To achieve these goals, the present invention realizes by the following technical solutions:
Integral diesel motor rockshaft, comprise axis body, described axis body is provided with oil inlet hole and the oil hole with the axle intracavity inter-connection, described oil hole is arranged on the position that axis body is cooperated with rocking arm village cover, it is characterized in that, on axis body, also be provided with the bolt oleophobic hole of holding concurrently with the axle intracavity inter-connection, bolt hole, the plug hole of positioning pin hole and axle head, described fixing bolt is held concurrently and is provided with the oleophobic split channel in the oleophobic hole, described rocker arm bracket is fixed on the axis body by bolt hole and the bolt oleophobic hole of holding concurrently, described rocker arm bracket is provided with the rocker arm bracket bolt hole coaxial with bolt hole, on described rocker arm bracket bolt hole, be provided with oil leab towards cam shaft bush, described fixing bolt is held concurrently and is led to the oil leab of cam shaft bush on oleophobic hole connection shaft inner chamber and the rocker arm bracket, thereby makes the machine oil of pitman arm shaft inner chamber just obtain decompression and shunting.
As preferably, described oil hole comprises exhaust rocker arm lining oil hole, fuel oil rocker arm bush oil hole and intake rocker lining oil hole, described exhaust rocker arm lining oil hole is arranged on axis body and exhaust rocker arm lining institute cooperation position, described fuel oil rocker arm bush oil hole is arranged on axis body and fuel oil rocker arm bush institute cooperation position, and described intake rocker lining oil hole is arranged on axis body and intake rocker lining institute cooperation position.
As preferably, described exhaust rocker arm lining oil hole is provided with 3 at least; Described fuel oil rocker arm bush oil hole is provided with 2 at least; Described intake rocker lining oil hole is provided with 1 at least.
The invention has the beneficial effects as follows:
1. motor rockshaft of the present invention, by setting up oil hole, the lubricants capacity at 3 rocker arm bush places of reasonable distribution has prolonged lining working life.
2. motor rockshaft of the present invention, by strengthening pitman arm shaft fixing bolt interporal lacuna is that the oleophobic split channel is the cam shaft bush lubrication channel, can reduce pitman arm shaft inner chamber engine oil pressure, regulate the lubricants capacity of rocker arm bush, reduce oil consumption, reduce HC and particulate emission, support Europe IV emission standard.
Description of drawings
Describe the present invention in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the A-A sectional drawing of Fig. 1.
Fig. 3 is the B-B sectional drawing of Fig. 1.
Fig. 4 is the C-C sectional drawing of Fig. 1.
Fig. 5 is the D-D sectional drawing of Fig. 1.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
Referring to Fig. 1 and Fig. 2, integral diesel motor rockshaft of the present invention comprises axis body 1, is provided with the oil inlet hole 2, oil hole, bolt hole 4, the positioning pin hole 8 of axis body 1 upper end and the plug hole 9 of axle head that are connected with axle inner chamber 10 on axis body 1; This oil hole is arranged on the position that axis body is cooperated with each rocking arm village cover, and it comprises exhaust rocker arm lining oil hole 5, the fuel oil rocker arm bush oil hole 6 that is arranged on axis body 1 and fuel oil rocker arm bush institute cooperation position that is arranged on axis body 1 and exhaust rocker arm lining institute cooperation position, the intake rocker lining oil hole 7 that is arranged on axis body 1 and intake rocker lining institute cooperation position.Oil inlet hole 2 external pressure oil pipes from oil pump, interior connecting shaft inner chamber.
In the present embodiment, on axis body 1, make 7 bolts that rocker shaft beds are installed hold concurrently oleophobic hole 3 and bolt hole 4 altogether, hold concurrently oleophobic hole 3 and bolt hole 4 of described bolt is coaxial with rocker shaft bed upper rocker arm seat bolt hole, and axis body 1 and camshaft all are installed on the rocker arm bracket, are fixed on the cylinder head.Described bolt 3 apertures, oleophobic hole of holding concurrently are φ 11, supporting bolt specification is M10, it cooperates the gap that produces is the oleophobic split channel, on described rocker arm bracket bolt hole, make oil leab towards cam shaft bush, the oil leab that leads to cam shaft bush on described oleophobic split channel connection shaft inner chamber 10 and the rocker arm bracket, make the machine oil of pitman arm shaft inner chamber just obtain decompression and shunting, reduced pitman arm shaft inner chamber engine oil pressure, regulate the lubricants capacity of rocker arm bush.
What deserves to be mentioned is that oil hole leads to separately rocker arm bush from the rocking arm inner chamber respectively, comparatively speaking, the friction of exhaust rocker arm place is violent, then is provided with 3 exhaust rocker arm lining oil holes 5 (as shown in Figure 3); Axis body 1 is general with the friction of fuel oil rocking arm place, then is provided with 2 fuel oil rocker arm bush oil holes 6 (as shown in Figure 4) at this contact position; The friction of intake rocker place is lighter, then is provided with 1 intake rocker lining oil hole 7 (as shown in Figure 5) on axis body 1.
Again referring to Fig. 1 and Fig. 2, pressure lubrication machine oil enters pitman arm shaft inner chamber 10 from oil inlet hole 2, part machine oil is lubricated from the rocker arm bush that exhaust rocker arm lining oil hole 5, fuel oil rocker arm bush oil hole 6 and intake rocker lining oil hole 7 flow to separately, exhaust rocker arm lining place is installed on axis body 13 exhaust oil holes are arranged, fuel oil rocker arm bush place is provided with 2 fuel oil oil holes, there is 1 air inlet oil hole at intake rocker lining place, like this according to the lubricants capacity at each rocker arm bush place of friction level reasonable distribution, prolonged lining working life.Another part machine oil flow to cam shaft bush through the oil leab on the rocker arm brackets and is lubricated from hold concurrently oleophobic hole 3 of bolt.So just reduce pitman arm shaft inner chamber engine oil pressure, regulated the lubricants capacity charge oil pressure at rocker arm bush place, reduce oil consumption, reduce HC and particulate emission, support Europe IV emission standard.
Based on above-mentioned, the present invention sets up oil hole at pitman arm shaft and rocker arm bush matching part according to friction level; Enlarge pitman arm shaft and rocker arm bracket fixed bolt hole, lead to the oil leab of cam shaft bush again from the design of rocker arm bracket bolt hole.The machine oil of pitman arm shaft inner chamber just obtains decompression and shunting like this, has regulated the lubricants capacity charge oil pressure at rocker arm bush place, reduces oil consumption, has prolonged lining working life.
More than show and described basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. integral diesel motor rockshaft, comprise axis body, described axis body is provided with oil inlet hole and the oil hole with the axle intracavity inter-connection, described oil hole is arranged on the position that axis body is cooperated with rocking arm village cover, it is characterized in that, on described axis body, also be provided with the bolt oleophobic hole of holding concurrently with the axle intracavity inter-connection, bolt hole, the plug hole of positioning pin hole and axle head, described fixing bolt is held concurrently and is provided with the oleophobic split channel in the oleophobic hole, described rocker arm bracket is fixed on the axis body by bolt hole and the bolt oleophobic hole of holding concurrently, described rocker arm bracket is provided with the rocker arm bracket bolt hole coaxial with bolt hole, on described rocker arm bracket bolt hole, be provided with oil leab, the described fixing bolt oil leab on oleophobic hole connection shaft inner chamber and the rocker arm bracket of holding concurrently towards cam shaft bush.
2. integral diesel motor rockshaft according to claim 1, it is characterized in that, described oil hole comprises exhaust rocker arm lining oil hole, fuel oil rocker arm bush oil hole and intake rocker lining oil hole, described exhaust rocker arm lining oil hole is arranged on axis body and exhaust rocker arm lining institute cooperation position, described fuel oil rocker arm bush oil hole is arranged on axis body and fuel oil rocker arm bush institute cooperation position, and described intake rocker lining oil hole is arranged on axis body and intake rocker lining institute cooperation position.
3. integral diesel motor rockshaft according to claim 2 is characterized in that, described exhaust rocker arm lining oil hole is provided with 3 at least.
4. integral diesel motor rockshaft according to claim 2 is characterized in that, described fuel oil rocker arm bush oil hole is provided with 2 at least.
5. integral diesel motor rockshaft according to claim 2 is characterized in that, described intake rocker lining oil hole is provided with 1 at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910232215A CN101852109A (en) | 2009-12-09 | 2009-12-09 | Integral diesel motor rockshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910232215A CN101852109A (en) | 2009-12-09 | 2009-12-09 | Integral diesel motor rockshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101852109A true CN101852109A (en) | 2010-10-06 |
Family
ID=42803770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910232215A Pending CN101852109A (en) | 2009-12-09 | 2009-12-09 | Integral diesel motor rockshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101852109A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140942A (en) * | 2010-12-31 | 2011-08-03 | 中国兵器工业集团第七○研究所 | Positioning mechanism of air suction swing arm shaft |
| CN106574526A (en) * | 2014-08-27 | 2017-04-19 | 大丰工业株式会社 | Oil feeding member and engine lubricating oil supply mechanism provided with same |
| 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 |
-
2009
- 2009-12-09 CN CN200910232215A patent/CN101852109A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140942A (en) * | 2010-12-31 | 2011-08-03 | 中国兵器工业集团第七○研究所 | Positioning mechanism of air suction swing arm shaft |
| CN106574526A (en) * | 2014-08-27 | 2017-04-19 | 大丰工业株式会社 | Oil feeding member and engine lubricating oil supply mechanism provided with same |
| 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 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C12 | Rejection of a patent application after its publication | ||
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Open date: 20101006 |