CN1314885C - Assembly of pressure adjustable and anti oil pumping cylinder cap and cowling - Google Patents
Assembly of pressure adjustable and anti oil pumping cylinder cap and cowling Download PDFInfo
- Publication number
- CN1314885C CN1314885C CNB2004100141665A CN200410014166A CN1314885C CN 1314885 C CN1314885 C CN 1314885C CN B2004100141665 A CNB2004100141665 A CN B2004100141665A CN 200410014166 A CN200410014166 A CN 200410014166A CN 1314885 C CN1314885 C CN 1314885C
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- China
- Prior art keywords
- valve
- engine oil
- draining hole
- oil
- pressure regulator
- 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.)
- Expired - Fee Related
Links
- 238000005086 pumping Methods 0.000 title abstract 3
- 239000010705 motor oil Substances 0.000 claims abstract description 39
- 239000003921 oil Substances 0.000 claims abstract description 28
- 239000010721 machine oil Substances 0.000 claims description 24
- 230000001105 regulatory effect Effects 0.000 abstract 5
- 230000004888 barrier function Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000005465 channeling Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Safety Valves (AREA)
Abstract
The present invention relates to a pressure adjustable air cylinder covering hood assembly for preventing oil pumping. A pressure regulating valve also arranged in a valve cavity of an engine oil pressure indicating valve on a main body of the air cylinder covering hood is arranged at the lower end of the engine oil pressure indicating valve and is composed of a valve seat, a valve core, a spring and nuts. The engine oil pressure indicating valve and the pressure regulating valve share the same valve cavity. An oil inlet hole of the valve cavity is arranged in the main body of the air cylinder covering hood, the main body of the air cylinder covering hood is arranged between the engine oil pressure indicating valve and the pressure regulating valve, and an oil draining hole arranged in the main body of the air cylinder covering hood at the lower side of the pressure regulating valve is vertically appressed with the side edge of the air cylinder covering hood downwards. The air cylinder covering hood outside the oil draining hole is also provided with an oil baffle plate. The present invention has the advantages of effective regulation of engine oil pressure, high engine oil pressure avoidance, engine oil pumping failure avoidance, and simple, compact and reasonable structure. The engine oil pressure indicating valve and the pressure regulating valve are in the same cavity.
Description
Technical field
The present invention relates to the assembly of diesel engine cylinder head cover and engine oil pressure indicating valve, but particularly can reduce engine oil pressure, indoor pressure regulation, the Anti-oil Channeling Gas Cylinder Head Cover Assembly of not scurrying oil of diesel combustion.
Background technique
At present; diesel engine is in use through regular meeting finds that cold machine engine oil pressure is too high, washes out fuel level indicator, low speed enters the firing chamber from cylinder head top lubricating oil carry-over fault; by analysis, this phenomenon is that the still unsolved technical barrier of valve mechanism cover oil circuit design causes.As shown in Figure 2, existing cover assembly of cylinder head is made up of valve mechanism cover and engine oil pressure indicating valve two-part, and the draining hole of engine oil pressure indicating valve valve pocket (φ 1.5mm) is located on the valve chamber of valve mechanism cover obliquely on the valve mechanism cover.During cold post-start, because the viscosity height of machine oil, less by the oil level that connecting rod bearing shell oozes out, the aperture draining that exposes Φ 1.5mm after machine oil mainly rises by valve mechanism cover inner engine oil pressure indicating valve, pressure is higher, and when hot machine, engine oil viscosity reduces, the machine oil that releases by connecting rod bearing shell increases relatively, the machine oil that is released by Φ 1.5mm aperture on the valve mechanism cover reduces relatively, this moment, engine oil pressure recovered normal, but because the machine oil that releases by Φ 1.5mm aperture can be sprayed directly on to advancing of valve mechanism cover inside, on the exhaust valve rod, very easily cause from the phenomenon of top lubricating oil carry-over, make machine oil enter the firing chamber, thereby the fault of Measure of Lubricating Oil Flees in Diesel Engine occurred by the gap between valve stem and valve guide bushing.
Summary of the invention
Technical barrier to be solved by this invention is, a kind of cover assembly of cylinder head that is provided with pressure regulator valve in the valve pocket of engine oil pressure indicating valve is provided, and overcomes in the prior art on the valve mechanism cover the high phenomenon of engine oil pressure in the engine oil pressure indicating valve valve pocket.The technical barrier that the present invention further will solve is to prevent that machine oil is sprayed directly on on the inlet and outlet door bar of valve mechanism cover inside, avoids scurrying oily fault.
Technical solution of the present invention is that a kind of cover assembly of cylinder head is provided with the engine oil pressure indicating valve in the valve pocket of engine oil pressure indicating valve on the valve mechanism cover body, it is characterized in that: also be provided with pressure regulator valve in the described valve pocket.
Described pressure regulator valve preferably constitutes like this, and it comprises valve seat, spool, spring and nut, and spool is located at the inboard of valve seat, and spring is located at the outside of valve seat, and nut is fixed in the upper end of spool by screw thread, and the lower end of spool has the surface that cooperates with valve seat.
Further preferred scheme is, the oil inlet hole of valve pocket is located on the valve mechanism cover body between engine oil pressure indicating valve and the pressure regulator valve, the draining hole is located on the valve mechanism cover body of pressure regulator valve downside and is close to the side of valve mechanism cover vertically downward, has micro-gap between the valve seat of pressure regulator valve and the valve pocket.
Further preferred scheme is also to be provided with an oil baffle on the valve mechanism cover outside the draining hole.
Further preferred scheme is that the aperture in draining hole is 3mm.
In addition, the present invention also provides a kind of single cylinder diesel, and it has adopted aforesaid cover assembly of cylinder head.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the prior art constructions schematic representation;
Number in the figure: 1-engine oil pressure indicating valve, 2-oil inlet hole, 3-nut, 4-spring, 5-valve seat, 6-spool, 7-valve mechanism cover, 8-draining hole, 9-oil baffle.
Embodiment
See Fig. 1, the present invention mainly is made up of valve mechanism cover 7, engine oil pressure indicating valve 1 and pressure regulator valve.Described valve mechanism cover 7 bodies are provided with the valve pocket of placement machine oil pressure indicating valve 1, and the lower end of engine oil pressure indicating valve also is provided with pressure regulator valve in its valve pocket, and engine oil pressure indicating valve 1 and pressure regulator valve two valves are a valve pocket altogether.Its pressure regulator valve is made of valve seat 5, spool 6, spring 4 and nut 3, and spool 6 is located at the inboard of valve seat 5, and spring 4 is located at the outside of valve seat 5, and nut 3 is fixed in the upper end of spool 6 by screw thread, and the lower end of spool 6 has the surface that cooperates with valve seat 5.
The oil inlet hole 2 of valve pocket is located on the valve mechanism cover body 7 between engine oil pressure indicating valve 1 and the pressure regulator valve, and draining hole 8 is located on the valve mechanism cover body 7 of pressure regulator valve downside and is close to the side of valve mechanism cover 7 vertically downward.By improvement, Φ 3mm can be expanded as from original Φ 1.5mm in draining hole 8 to 8 positions, draining hole.
Also be provided with an oil baffle 9 on the valve mechanism cover 7 that is positioned at draining hole 8 downsides, the oil that is used to draining hole 8 is released produces the atomizing of splashing, to solve the lubricated of valve.
The machine oil that oil pump extrudes enters in the valve pocket of engine oil pressure indicating valve 1 by oil inlet hole 2, machine oil is the spool of jack-up engine oil pressure indicating valve 1 upwards first, simultaneously another then enters pressure regulator valve downwards: machine oil by around the nut 3 and the straight trough on valve seat 5 tops enter valve seat 5 endoporus, when engine oil pressure reaches 3.52Kgf/cm
2The time, the pretightening force that spool 6 overcomes spring 4 moves down, and spool 6 is opened, and machine oil releases from the draining hole 8 of lower end, penetrates on oil baffle 9 parts such as its door of splash lubrication, rocking arm.When the oil temperature rising, viscosity is thinning, when oil pressure drops to specified value, spool 6 moves under the effect of spring force and closes, machine oil releases by valve seat 5 with the micro-gap of valve pocket, penetrates on the oil baffle 9 outside the draining hole, each part in still can splash lubrication valve mechanism cover 7.
Fig. 2 is the prior art constructions schematic representation.The piece mark in valve mechanism cover 7, engine oil pressure indicating valve 1, oil inlet hole 2 and draining hole 8 is consistent with the label of identical parts among Fig. 1 among Fig. 2.
Claims (13)
1, a kind of cover assembly of cylinder head, be provided with engine oil pressure indicating valve (1) on the valve mechanism cover body in the valve pocket of engine oil pressure indicating valve, it is characterized in that: also be provided with pressure regulator valve, its engine oil pressure indicating valve (1) and pressure regulator valve are altogether in a cavity, and the machine oil oil inlet hole (2) of valve pocket is located on the valve mechanism cover body between engine oil pressure indicating valve (1) and the pressure regulator valve.
2, cover assembly of cylinder head as claimed in claim 1, it is characterized in that: described pressure regulator valve comprises valve seat (5), spool (6), spring (4) and nut (3), spool (6) is located at the inboard of valve seat (5), spring (4) is located at the outside of valve seat (5), nut (3) is fixed in the upper end of spool (6) by screw thread, and the lower end of spool (6) has the surface that cooperates with valve seat (5).
3, cover assembly of cylinder head as claimed in claim 1 is characterized in that: also be provided with machine oil draining hole (8), this draining hole (8) is located on the valve mechanism cover body of pressure regulator valve downside, and the side of valve mechanism cover is close in this draining hole (8) vertically downward.
4, cover assembly of cylinder head as claimed in claim 2 is characterized in that: have the micro-gap that machine oil can release between valve seat of described pressure regulator valve (5) and the valve pocket.
5, cover assembly of cylinder head as claimed in claim 3 is characterized in that: the outer valve mechanism cover in described machine oil draining hole (8) is provided with an oil baffle (9).
6, cover assembly of cylinder head as claimed in claim 3 is characterized in that: aperture, described machine oil draining hole (8) is 3mm.
7, a kind of single cylinder diesel, be provided with engine oil pressure indicating valve (1) on the valve mechanism cover body in the valve pocket of engine oil pressure indicating valve, it is characterized in that: also be provided with pressure regulator valve, its engine oil pressure indicating valve (1) and pressure regulator valve are altogether in a cavity, and the machine oil oil inlet hole (2) of valve pocket is located on the valve mechanism cover body between engine oil pressure indicating valve (1) and the pressure regulator valve.
8, single cylinder diesel as claimed in claim 7, it is characterized in that: described pressure regulator valve comprises valve seat (5), spool (6), spring (4) and nut (3), spool (6) is located at the inboard of valve seat (5), spring (4) is located at the outside of valve seat (5), nut (3) is fixed in the upper end of spool (6) by screw thread, and the lower end of spool (6) has the surface that cooperates with valve seat (5).
9, as claim 7 or 8 described single cylinder diesels, it is characterized in that: also be provided with machine oil draining hole (8), this draining hole (8) is located on the valve mechanism cover body of pressure regulator valve downside, and the side of valve mechanism cover is close in this draining hole (8) vertically downward.
10, single cylinder diesel as claimed in claim 8 is characterized in that: have the micro-gap that machine oil can release between valve seat of described pressure regulator valve (5) and the valve pocket.
11, single cylinder diesel as claimed in claim 9 is characterized in that: the outer valve mechanism cover in described machine oil draining hole (8) is provided with an oil baffle (9).
12, single cylinder diesel as claimed in claim 9 is characterized in that: aperture, described machine oil draining hole (8) is 3mm.
13, single cylinder diesel as claimed in claim 11 is characterized in that: aperture, described machine oil draining hole (8) is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100141665A CN1314885C (en) | 2004-02-26 | 2004-02-26 | Assembly of pressure adjustable and anti oil pumping cylinder cap and cowling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100141665A CN1314885C (en) | 2004-02-26 | 2004-02-26 | Assembly of pressure adjustable and anti oil pumping cylinder cap and cowling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1661209A CN1661209A (en) | 2005-08-31 |
| CN1314885C true CN1314885C (en) | 2007-05-09 |
Family
ID=35010719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100141665A Expired - Fee Related CN1314885C (en) | 2004-02-26 | 2004-02-26 | Assembly of pressure adjustable and anti oil pumping cylinder cap and cowling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1314885C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691544B (en) * | 2011-03-25 | 2014-03-19 | 北汽福田汽车股份有限公司 | Engine oil pressure regulating valve for engine and automobile with engine oil pressure regulating valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87216326U (en) * | 1987-12-09 | 1988-08-10 | 常州农业机械研究所 | Automatic stopping device of a single-cylinder diesel engine for underpressure of the engine oil |
| JPH0771222A (en) * | 1993-08-30 | 1995-03-14 | Honda Motor Co Ltd | Stop device for diesel engine |
| CN2200053Y (en) * | 1994-07-25 | 1995-06-07 | 象山石浦光耀电器设备厂 | Engine oil pressure alarm for diesel engine |
| CN2437860Y (en) * | 2000-09-04 | 2001-07-04 | 丁楠 | Safety lubricating self-controller for diesel engine |
| CN2497049Y (en) * | 2001-09-07 | 2002-06-26 | 赵志明 | Diesel engine safety-operation control valve |
| CN2764943Y (en) * | 2004-02-26 | 2006-03-15 | 江苏江淮动力股份有限公司 | Cylinder cover assembly and single-cylinder diesel engine thereof |
-
2004
- 2004-02-26 CN CNB2004100141665A patent/CN1314885C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87216326U (en) * | 1987-12-09 | 1988-08-10 | 常州农业机械研究所 | Automatic stopping device of a single-cylinder diesel engine for underpressure of the engine oil |
| JPH0771222A (en) * | 1993-08-30 | 1995-03-14 | Honda Motor Co Ltd | Stop device for diesel engine |
| CN2200053Y (en) * | 1994-07-25 | 1995-06-07 | 象山石浦光耀电器设备厂 | Engine oil pressure alarm for diesel engine |
| CN2437860Y (en) * | 2000-09-04 | 2001-07-04 | 丁楠 | Safety lubricating self-controller for diesel engine |
| CN2497049Y (en) * | 2001-09-07 | 2002-06-26 | 赵志明 | Diesel engine safety-operation control valve |
| CN2764943Y (en) * | 2004-02-26 | 2006-03-15 | 江苏江淮动力股份有限公司 | Cylinder cover assembly and single-cylinder diesel engine thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1661209A (en) | 2005-08-31 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YANCHENG XINGDONG MACHINERY CO.,LTD. Free format text: FORMER OWNER: JIANGSU JIANGHUAI POWER CO., LTD. Effective date: 20090403 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Assignee: Yancheng Xingdong Machinery Co., Ltd. Assignor: Jianghuai Power Co., Ltd., Jiangsu Contract fulfillment period: 2009.2.19 to 2014.2.19 Contract record no.: 2009320000155 Denomination of invention: Assembly of pressure adjustable and anti oil pumping cylinder cap and cowling Granted publication date: 20070509 License type: exclusive license Record date: 20090227 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.2.19 TO 2014.2.19; CHANGE OF CONTRACT Name of requester: YANCHENG XINGDONG MACHINERY CO.,LTD. Effective date: 20090227 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20090403 Address after: No. 137 South Tongyu Road, Jiangsu, Yancheng City Patentee after: Yancheng Xingdong Machinery Co., Ltd. Address before: No. 213 Chengxi Road, Yancheng City, Jiangsu Patentee before: Jianghuai Power Co., Ltd., Jiangsu |
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| ASS | Succession or assignment of patent right |
Owner name: JIANGSU JIANGHUAI POWER CO., LTD. Free format text: FORMER OWNER: YANCHENG XINGDONG MACHINERY CO.,LTD. Effective date: 20090814 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090814 Address after: No. 213, West Ring Road, Jiangsu, Yancheng City Patentee after: Jianghuai Power Co., Ltd., Jiangsu Address before: No. 137 South Tongyu Road, Jiangsu, Yancheng City Patentee before: Yancheng Xingdong Machinery Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: YANCHENG XINGDONG MACHINERY CO. LTD. |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20100426 Address after: 224001 No. 213 West Ring Road, Jiangsu, Yancheng City Patentee after: Jianghuai Power Co., Ltd., Jiangsu Patentee after: Yancheng Xingdong Machinery Co., Ltd. Address before: 224001 No. 213 West Ring Road, Jiangsu, Yancheng City Patentee before: Jianghuai Power Co., Ltd., Jiangsu |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070509 Termination date: 20190226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |