CN203035279U - Air distributing device of engine - Google Patents
Air distributing device of engine Download PDFInfo
- Publication number
- CN203035279U CN203035279U CN 201220650520 CN201220650520U CN203035279U CN 203035279 U CN203035279 U CN 203035279U CN 201220650520 CN201220650520 CN 201220650520 CN 201220650520 U CN201220650520 U CN 201220650520U CN 203035279 U CN203035279 U CN 203035279U
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- CN
- China
- Prior art keywords
- arm
- valve
- distributing device
- rocker arm
- axis hole
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- 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.)
- Expired - Lifetime
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- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The utility model discloses an air distributing device of an engine and belongs to the technical field of starting auxiliary devices of combustion engines. The air distributing device of the engine comprises a valve tappet, a rocker arm, an air valve, and a rocker arm shaft. The rocker aim comprises an air inlet valve rocker arm and an air outlet valve rocker arm, wherein the air inlet valve rocker arm and the air outlet valve rocker arm are installed at two ends of the rocker arm. The rocker arm comprises a long arm end and a short arm end, wherein a shaft hole serves as a fulcrum of the long arm end and the short arm end, one side, connected with the shaft hole, of the long arm end is of an arc structure, the rocker arm contacts with the air valve through the arc structure, an adjusting screw is installed on the short arm end, and the short arm end and the valve tappet are used in a matched mode. The air distributing device of the engine is convenient to assemble, low in cost, low in energy consumption, high in working efficiency, and applicable to equipment including a single-cylinder diesel engine and the like.
Description
Technical field
The utility model relates to a kind of air distributing device of motor, belongs to the starting aid technical field of combustion engine.
Background technique
Diesel engine is a kind of as the power internal-combustion engine, has remarkable advantages such as thermal efficiency height, and is ubiquitous in fields of society, for society is creating huge economic benefit.Along with the development of society, people are to the raising of quality of life, and following high efficiency to diesel engine requires also can also come more high, and existing equipment also can't satisfy this requirement under present technical specifications.
The air distributing device of diesel engine mainly comprises gear, camshaft, valve tappet, swing arm, intake valve, exhaust valve composition, yet, in the prior art, the valve tappet of single cylinder diesel engine needs other parts to be blocked for vertically moving up and down, and can guarantee that just it can disengaging configuration, this structure is not easy to install, transmission power consumption is bigger in the using process, and manufacture cost is also high, thereby is unfavorable for producing.
Have based on this, make the utility model.
The model utility content
The purpose of this utility model provides a kind of ease of assembly, cost is low, energy consumption is little, the air distributing device of the motor of high working efficiency.
For achieving the above object, the technological scheme of taking is as follows:
The air distributing device of motor comprises valve tappet, rocking arm, valve and pitman arm shaft, and described rocking arm comprises inlet valve rocker and exhaust valve rocker arm, and inlet valve rocker and exhaust valve rocker arm are installed in the pitman arm shaft two ends; Rocking arm comprises long arm end and galianconism end, and long arm end and galianconism end are fulcrum with the axis hole; One side that long arm end is connected to axis hole is arc structure, and rocking arm contacts with valve by arc structure, and the galianconism end is equipped with adjusting screw, and is used with valve tappet.
For realizing better using effect, further arrange as follows:
The ratio of the length of the length of described long arm end and galianconism end is 1.3-1.75.
The deviation angle θ of described long arm end is 5-15 °.
The radius of the intrados of described arc structure is 20-25cm, and the distance of its center of circle and axis hole is 25-40cm; The radius of outer arced surface is 65-75cm, and the distance of its center of circle and axis hole is 50-60cm.
Described axis hole side is provided with oilhole, and the oilhole internal diameter is 10cm, and the lubricant oil of axis hole flows to the rocking arm two ends by this oilhole and is lubricated.
After the utility model characteristics are rocking arm and valve tappet assembling, make valve tappet and vertical direction form several angle, make it when operation, be difficult for landing, also not needing simultaneously other parts to locate blocks, production cost of material and processing cost have been reduced simultaneously, simple in structure, energy consumption is low, high working efficiency.
Wherein, in the utility model, the deviation angle of long arm end refers to the deviation angle of the vertical direction among relative Fig. 3; The outer arced surface of arc structure refers to the one side that contacts with oilhole; The distance of the center of circle and axis hole refers to the center of circle of the corresponding center of circle and axis hole or the distance between the heart of hole.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the plan view of inlet valve rocker in the utility model;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is inlet valve rocker size marking schematic representation in the utility model;
Fig. 5 is exhaust valve rocker arm size marking schematic representation in the utility model.
Number in the figure: 1, rocking arm; 11, long arm end; 111, arc structure; 112, spherical structure; 12, galianconism end; 13, axis hole; 14, oilhole; 15, adjusting screw; 1a, inlet valve rocker; 1b, exhaust valve rocker arm; 2, valve tappet; 3, valve; 31, valve spring; 4, pitman arm shaft.
The deviation angle of θ, long arm end.
Embodiment
The air distributing device of the utility model motor, comprise rocking arm 1, valve tappet 2, valve 3 and pitman arm shaft 4, described rocking arm 1 comprises inlet valve rocker 1a and exhaust valve rocker arm 1b, inlet valve rocker 1a and exhaust valve rocker arm 1b are installed in pitman arm shaft 4 two ends, and inlet valve rocker 1a and exhaust valve rocker arm 1b pile about pitman arm shaft 4; Rocking arm 1 comprises long arm end 11 and galianconism end 12, and long arm end 11 is fulcrum with galianconism end 12 with axis hole 13; Long arm end 11 comprises arc structure 111 and spherical structure 112, arc structure 111 is between spherical structure 112 and axis hole 13; rocking arm 1 contacts with valve 3 by arc structure 111, and adjusting screw 15 is installed on the galianconism end 12, and galianconism end 12 is used with valve tappet 2; Axis hole 13 sides are provided with oilhole 14, and the lubricant oil in the axis hole 13 is lubricated by the two ends that oilhole 14 flows to rocking arm 1.
Wherein, oilhole 14 internal diameters are 10cm, in the inlet valve rocker 1a structure, and the centre of sphere of the spherical structure 112 of long arm end 11 and the distance B of axis hole 13
1aBe 33 ± 0.1cm, the inner diameter D of oilhole 14
4aBe 10cm, the deviation angle θ of long arm end 11
aBe 11 °, the distance B in adjusting screw 15 and axis hole 13 centers of circle
5aBe 23 ± 0.1cm, the radius R of the intrados of arc structure 111
1aBe 20cm, the horizontal equivalent L in its center of circle and axis hole 13 centers of circle
1aBe 15cm, perpendicular distance H
1aBe 28cm, the radius R of outer arced surface
2aBe 70cm, the horizontal equivalent L in its center of circle and axis hole 13 centers of circle
2aBe 52cm, perpendicular distance H
2aBe 17cm, axis hole 13 centers of circle are to the distance L of oilhole 14 opening ends
3aBe 17.5cm, galianconism end 12 wide L
4aBe 10cm; The corresponding size of exhaust valve rocker arm 1b is identical with inlet valve rocker 1a's, and difference is: the deviation angle θ of long arm end 11
bBe 6 °, the radius R of outer arced surface
2bBe 70cm, the horizontal equivalent L in its center of circle and axis hole 13 centers of circle
2bBe 52cm, perpendicular distance H
2bBe 20cm.
After the rocking arm 1 in the utility model and valve tappet 2 assemblings, because the above-mentioned setting of rocking arm 1 structure and size, valve tappet 2 forms several angle with vertical direction, valve tappet 2 will square neck be oblique to the right, simultaneously because the change of the size of rocking arm 1, it is risen constantly at this just, the end of valve tappet 2 is all the time in rocking arm 1 groove, valve tappet 2 is difficult for landing when then moving, and reaches spacing purpose, and is simple in structure, energy consumption is low, high working efficiency does not need other parts to locate yet and blocks, and has reduced production cost of material and processing cost.
Claims (5)
1. the air distributing device of motor, it is characterized in that: comprise valve tappet, rocking arm, valve and pitman arm shaft, described rocking arm comprises inlet valve rocker and exhaust valve rocker arm, and inlet valve rocker and exhaust valve rocker arm are installed in the pitman arm shaft two ends; Rocking arm comprises long arm end and galianconism end, and long arm end and galianconism end are fulcrum with the axis hole; One side that long arm end is connected to axis hole is arc structure, and rocking arm contacts with valve by arc structure, and the galianconism end is equipped with adjusting screw, and is used with valve tappet.
2. the air distributing device of motor according to claim 1, it is characterized in that: the ratio of described long arm end length and galianconism end length is 1.3-1.75.
3. the air distributing device of motor according to claim 1, it is characterized in that: the deviation angle θ of described long arm end is 5-15 °.
4. the air distributing device of motor according to claim 1, it is characterized in that: the radius of the intrados of described arc structure is 20-25cm, the distance of its center of circle and axis hole is 25-40cm; The radius of outer arced surface is 65-75cm, and the distance of its center of circle and axis hole is 50-60cm.
5. the air distributing device of motor according to claim 1, it is characterized in that: described axis hole side is provided with oilhole, and the oilhole internal diameter is 10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220650520 CN203035279U (en) | 2012-11-29 | 2012-11-29 | Air distributing device of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220650520 CN203035279U (en) | 2012-11-29 | 2012-11-29 | Air distributing device of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203035279U true CN203035279U (en) | 2013-07-03 |
Family
ID=48687412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220650520 Expired - Lifetime CN203035279U (en) | 2012-11-29 | 2012-11-29 | Air distributing device of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203035279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106257236A (en) * | 2015-06-17 | 2016-12-28 | 华晨汽车集团控股有限公司 | A kind of method of conversed analysis internal combustion engine hydraulic tappet position |
-
2012
- 2012-11-29 CN CN 201220650520 patent/CN203035279U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106257236A (en) * | 2015-06-17 | 2016-12-28 | 华晨汽车集团控股有限公司 | A kind of method of conversed analysis internal combustion engine hydraulic tappet position |
| CN106257236B (en) * | 2015-06-17 | 2019-03-05 | 华晨汽车集团控股有限公司 | A kind of method of conversed analysis internal combustion engine hydraulic tappet position |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |
|
| CX01 | Expiry of patent term |