CN108397254A - A kind of inlet valve - Google Patents
A kind of inlet valve Download PDFInfo
- Publication number
- CN108397254A CN108397254A CN201810089143.2A CN201810089143A CN108397254A CN 108397254 A CN108397254 A CN 108397254A CN 201810089143 A CN201810089143 A CN 201810089143A CN 108397254 A CN108397254 A CN 108397254A
- Authority
- CN
- China
- Prior art keywords
- bar portion
- inlet valve
- left end
- cyclic annular
- valve
- 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.)
- Pending
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Classifications
-
- 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
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
-
- 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
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of inlet valves, including：Upper pole part, middle bar portion, lower bar portion, valve portion；The upper pole part includes：Top, groove；The middle bar portion right end is upper pole part, and left end is lower bar portion；The left end of the lower bar portion is valve portion, and valve portion left end is cyclic annular dome, and cyclic annular dome thickness is 2.5 ㎜, and cyclic annular dome edge is equipped with central shaft into the conical surface at 135 ° of angles；Cyclic annular dome left side center is the spherical surface that radius is 20 ㎜；With simple in structure, easy to use, reliability height；Combustion chamber can be made to enter more air, to improve the power performance of engine.
Description
Technical field：The present invention relates to component of machine field, specifically a kind of inlet valve.
Background technology：The air inflow of combustion chamber directly determines the height of generator efficiency of combustion, and the design of inlet valve
Play an important roll for the air inflow size of combustion chamber；Traditional air inlet door be easy to cause air-flow reverse counterflow, generates
Partial high pressure makes the flow velocity of charge air flow reduce, to reduce air inflow.
Invention content：To solve the above problems, the invention discloses a kind of inlet valve, have it is simple in structure, easy to use,
Reliability is high；Combustion chamber can be made to enter more air, to improve the power performance of engine.
Technical solution：
In order to solve the above technical problems, the present invention provides the following technical solutions, a kind of inlet valve, including：Upper pole part, middle bar portion,
Lower bar portion, valve portion；The upper pole part includes：Top, groove；4.5 ㎜, diameter are grown in 6.565-6.6 ㎜ in top；Top both ends
Face is equipped with chamfering, and right end is C0.5 ㎜, and left end is C0.15-C0.35 ㎜；The trench diameter is on 4.5-4.6 ㎜, groove and top
Tie point is held to be equipped with radius in the fillet of 0.2-0.3 ㎜, groove is equipped with radius as the fillet of 3 ㎜ with middle bar portion tie point, and circle
The heart is away from top left side 4.5-5 ㎜；The A on the basis of the center line of part, and flute surfaces run-out error should be controlled 0.05
Within；The middle bar portion right end is upper pole part, and left end is lower bar portion, is subject to benchmark A, and the cylindricity error of middle bar portion should control
Within 0.005, deviation from circular from should control within 0.005；The lower bar portion right side diameter between 6.565-6.6 ㎜,
For left end diameter between 6.8-7.3 ㎜, length is 3 ㎜, and centre is the circular arc that radius is more than 5 ㎜；The left end of the lower bar portion is
Valve portion, valve portion left end are cyclic annular dome, and cyclic annular dome thickness is 2.5 ㎜, and cyclic annular dome edge is equipped with and center
Axis is subject to benchmark A at the conical surface at 135 ° of angles, and circle jumps degree control errors are within 0.03 ㎜, and deviation from circular from control is in 0.005 ㎜
Within；Cyclic annular dome left side center is the spherical surface that radius is 20 ㎜.
Preferably, inlet valve modifier treatment, matrix hardness are 28HRC ~ 36HRC, and same branch valve difference of hardness is not more than 4
HRC units.
Preferably, inlet valve material is 4Gr10Si2Mo.
Preferably, same valve taper face width difference must not exceed 0.2.
Part is not directed in the invention to be the same as those in the prior art or can be realized by using the prior art.
Beneficial effects of the present invention：A kind of inlet valve is provided, simple in structure, easy to use, reliability is high；It can make combustion chamber
Into more air, to improve the power performance of engine.
Description of the drawings：Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, of the invention
Other features, objects and advantages will become more apparent upon.
Fig. 1 is a kind of inlet valve front view of the present invention；
Fig. 2 is partial enlarged view at a kind of inlet valve I of the present invention；
Fig. 3 is partial enlarged view at a kind of inlet valve II of the present invention.
Figure label：1 it is top, 2 be groove, 3 be middle bar portion, 4 be lower bar portion, 5 be valve portion, 6 is cyclic annular dome, 7
For upper pole part.
Specific implementation mode：
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clearly and completely
Description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Please refer to Fig.1-3：A kind of inlet valve, including：Upper pole part 7, middle bar portion 3, lower bar portion 4, valve portion 5；The upper boom
Portion 7 includes：Top 1, groove 2；4.5 ㎜, diameter are grown in 6.565-6.6 ㎜ in top 1；1 both ends of the surface of top are equipped with chamfering, and right end is
C0.5 ㎜, left end are C0.15-C0.35 ㎜；2 diameter of groove exists with 1 tie point of top equipped with radius in 4.5-4.6 ㎜, groove 2
The fillet of 0.2-0.3 ㎜, groove 2 are equipped with the fillet that radius is 3 ㎜, and 1 left side of distance of center circle top with 3 tie point of middle bar portion
4.5-5㎜；The A on the basis of the center line of part, and 2 surface run-out error of groove should control within 0.05；Middle bar portion 3 is right
End is upper pole part 7, and left end is lower bar portion 4, is subject to benchmark A, and the cylindricity error of middle bar portion 3 should control within 0.005, circle
Degree error should control within 0.005；4 right side diameter of lower bar portion is between 6.565-6.6 ㎜, and left end diameter is in 6.8-7.3
Between ㎜, length is 3 ㎜, and centre is the circular arc that radius is more than 5 ㎜；The left end of lower bar portion 4 is valve portion 5,5 left end of valve portion
For cyclic annular dome 6,6 thickness of cyclic annular dome is 2.5 ㎜, and 6 edge of cyclic annular dome is equipped with central shaft into the conical surface at 135 ° of angles,
It is subject to benchmark A, circle jumps degree control errors are within 0.03 ㎜, and deviation from circular from control is within 0.005 ㎜；Cyclic annular dome 6 is left
It is the spherical surface that radius is 20 ㎜ at end face center point.
In summary：A kind of inlet valve, simple in structure, easy to use, reliability is high；Combustion chamber can be made to enter more empty
Gas, to improve the power performance of engine.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms；Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention
Interior, any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (4)
1. a kind of inlet valve, which is characterized in that including：Upper pole part, middle bar portion, lower bar portion, valve portion；The upper pole part includes top
End, groove；4.5 ㎜, diameter are grown in 6.565-6.6 ㎜ in top；Top both ends of the surface are equipped with chamfering, and right end is C0.5 ㎜, and left end is
C0.15-C0.35㎜；The trench diameter in 4.5-4.6 ㎜, groove and top tie point be equipped with radius 0.2-0.3 ㎜ circle
Angle, groove are equipped with the fillet that radius is 3 ㎜, and distance of center circle top left side 4.5-5 ㎜ with middle bar portion tie point；With in part
A on the basis of heart line, and flute surfaces run-out error should control within 0.05；The middle bar portion right end is upper pole part, left end
For lower bar portion, it is subject to benchmark A, the cylindricity error of middle bar portion should control within 0.005, and deviation from circular from should control
Within 0.005；The lower bar portion right side diameter is between 6.565-6.6 ㎜, and left end diameter is between 6.8-7.3 ㎜, length
For 3 ㎜, centre is the circular arc that radius is more than 5 ㎜；The left end of the lower bar portion is valve portion, and valve portion left end is cyclic annular convex
Circle, cyclic annular dome thickness is 2.5 ㎜, and cyclic annular dome edge is equipped with central shaft into the conical surface at 135 ° of angles, is with benchmark A
Standard, within 0.03 ㎜, deviation from circular from controls within 0.005 ㎜ circle jump degree control errors；Cyclic annular dome left side central point
Place is the spherical surface that radius is 20 ㎜.
2. a kind of inlet valve according to claim 1, it is characterised in that：Inlet valve modifier treatment, matrix hardness 28HRC
~ 36HRC, same branch valve difference of hardness are not more than 4 HRC units.
3. a kind of inlet valve according to claim 1, it is characterised in that：Inlet valve material is 4Gr10Si2Mo.
4. a kind of inlet valve according to claim 1, it is characterised in that：Same valve taper face width difference must not exceed
0.2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089143.2A CN108397254A (en) | 2018-01-30 | 2018-01-30 | A kind of inlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089143.2A CN108397254A (en) | 2018-01-30 | 2018-01-30 | A kind of inlet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108397254A true CN108397254A (en) | 2018-08-14 |
Family
ID=63095200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810089143.2A Pending CN108397254A (en) | 2018-01-30 | 2018-01-30 | A kind of inlet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108397254A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0295707A (en) * | 1988-09-30 | 1990-04-06 | Fuji Valve Co Ltd | Intake/discharge valve for internal combustion engine |
| JP2010242632A (en) * | 2009-04-07 | 2010-10-28 | Nittan Valve Co Ltd | Poppet valve for exhaust for internal combustion engine |
| CN202001075U (en) * | 2010-12-31 | 2011-10-05 | 上汽通用五菱汽车股份有限公司 | Engine valve |
| CN203296848U (en) * | 2013-04-27 | 2013-11-20 | 东风朝阳朝柴动力有限公司 | Intake valve of diesel engine |
| CN203488220U (en) * | 2013-09-29 | 2014-03-19 | 安徽江淮汽车股份有限公司 | Exhaust valve structure of supercharged gasoline direct injection engine |
| CN204827574U (en) * | 2015-08-05 | 2015-12-02 | 安徽江淮汽车股份有限公司 | Diesel engine valve |
-
2018
- 2018-01-30 CN CN201810089143.2A patent/CN108397254A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0295707A (en) * | 1988-09-30 | 1990-04-06 | Fuji Valve Co Ltd | Intake/discharge valve for internal combustion engine |
| JP2010242632A (en) * | 2009-04-07 | 2010-10-28 | Nittan Valve Co Ltd | Poppet valve for exhaust for internal combustion engine |
| CN202001075U (en) * | 2010-12-31 | 2011-10-05 | 上汽通用五菱汽车股份有限公司 | Engine valve |
| CN203296848U (en) * | 2013-04-27 | 2013-11-20 | 东风朝阳朝柴动力有限公司 | Intake valve of diesel engine |
| CN203488220U (en) * | 2013-09-29 | 2014-03-19 | 安徽江淮汽车股份有限公司 | Exhaust valve structure of supercharged gasoline direct injection engine |
| CN204827574U (en) * | 2015-08-05 | 2015-12-02 | 安徽江淮汽车股份有限公司 | Diesel engine valve |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180814 |
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| WD01 | Invention patent application deemed withdrawn after publication |