CN201041092Y - Gas cylinder sleeve sealing structure - Google Patents
Gas cylinder sleeve sealing structure Download PDFInfo
- Publication number
- CN201041092Y CN201041092Y CNU2007200202206U CN200720020220U CN201041092Y CN 201041092 Y CN201041092 Y CN 201041092Y CN U2007200202206 U CNU2007200202206 U CN U2007200202206U CN 200720020220 U CN200720020220 U CN 200720020220U CN 201041092 Y CN201041092 Y CN 201041092Y
- Authority
- CN
- China
- Prior art keywords
- sleeve
- hole
- cylinder cover
- cylinder body
- cover body
- 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
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
A sealing structure of sleeve of cylinder cover comprises a cylinder body, a sealing ring, a copper pad and a sleeve. The sleeve is matched with an inner thread of the lower part of a central hole of the cylinder cover body across the copper pad through an outer thread of the small end to be pressed on the bottom face in the central hole of cylinder cover body. The big end of the sleeve is matched with a hole with the same size at the upper part of the central hole of the cylinder cover body. The sealing ring is installed in a circular groove composed of a groove of the big end of the sleeve and the hole of the cylinder cover body. The hole at the lower part of the central hole of the cylinder cover body is bigger than the hole at the upper part matched with the big end of the sleeve. An upper and lower water chamber of the cylinder cover body and a water channel of the upper and lower chamber are communicated with space composed of the hole at the lower part of the central hole of the cylinder cover body and the outer diameter of the lower end of the sleeve. The sealing structure of sleeve of cylinder cover has the advantages of reducing the casting difficulty of the cylinder cover body greatly, making each water channel of the central part of the cylinder cover body be potency and having good cooling effect, so the service life of the cylinder cover body is enhanced.
Description
Affiliated technical field
The utility model relates to the cylinder of internal-combustion engine cover, especially cylinder head sleeve seal structure.
Background technique
At present heavy duty mostly is a cylinder with a cylinder head, high temperature, high pressure when cylinder body will bear the combustion gas outburst, therefore in the design of cylinder head, to take into full account its mechanical stress of bearing and thermal stress, is furnished with the cooling system that adapts, the temperature of the reduction cylinder head of maximum capacity.Cylinder body must design the mesopore that oil sprayer is installed, thereby makes fuel oil spray into cylinder of diesel engine.For cylinder head is fully lowered the temperature, cooling water will be guided to the center portion of cylinder body and the upper and lower water cavity of cylinder body is communicated with, and these structures adopted casting to finish originally.Because cylinder body core waterway complex structure, casting its dimensional gaughing of back, cleaning difficulty cause casting yield not high.The hidden danger that the long-term existence water flowing is not smooth is bigger to the influence in working life of cylinder head.
Summary of the invention
The purpose of this utility model provides a kind of cylinder head sleeve seal structure, realizes the connection of the upper and lower water cavity of cylinder body core and each waterway with the method for machining and assembling.
The purpose of this utility model realizes as follows: cylinder head sleeve seal structure is by cylinder body, seal ring, copper packing, sleeve is formed, the screw-internal thread fit that the outside thread of sleeve by its small end passes copper packing and cylinder body mesopore bottom is pressed on the mesopore inner bottom surface of cylinder body with it, the hole that the big end of sleeve is identical with cylinder body mesopore upper dimension cooperates, seal ring is contained in the annular groove of the hole of the groove of the big end of sleeve and cylinder body forming, the boring ratio top of cylinder body mesopore bottom is big with the hole that the big end of sleeve cooperates, on the cylinder body, on following water cavity reaches, the spatial communication that the cavity of resorption waterway is formed through the hole and the sleeve lower end external diameter of cylinder body mesopore bottom.
There is the groove of five equilibrium the upper end of sleeve, and the quantity of groove is identical with the quantity of respective diameters spline, and the width of groove is identical with the width of respective diameters spline; Sleeve can adopt No. 45 steels to make, and heat treatment quenching and tempering 28～32HRC is for preventing corrosion, sleeve surface chromium plating.Copper packing adopts the copper plate punching out, and quench annealing is handled before the assembling.
The advantage of this cylinder head sleeve seal structure is: greatly reduce the casting difficulty of cylinder body, make each waterway of cylinder body core be easy to reach designing requirement.Make the water cooling system of cylinder head unobstructed, good cooling effect, thereby the working life of having improved cylinder head.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the erection drawing of cylinder head sleeve seal structure.
Fig. 2 is the plan view of Fig. 1.
1. upper water cavities among the figure, 2. epicoele waterway, 3. seal ring, 4. copper packing, 5. sleeve, 6. cylinder body, 7. the cavity of resorption waterway 8. descends water cavity.
Embodiment
Accompanying drawing is a 16V240 cylinder cover for diesel engine sleeve seal structure, and it strengthens the original hole that oil sprayer is installed and loads onto sleeve 5, with the endoporus of sleeve 5 oil sprayer is installed.The screw-internal thread fit that the outside thread of sleeve 5 by its small end passes copper packing 4 and cylinder body 6 mesopore bottoms is pressed on the mesopore inner bottom surface of cylinder body 6 with it, sleeve 5 big end external diameters cooperate with the measure-alike hole on cylinder body 6 mesopore tops, seal ring 3 is contained in the annular groove of sleeve 5 big grooves of holding and cylinder cap body opening composition, the boring ratio top of cylinder body 6 mesopore bottoms is big with the hole that sleeve 5 big ends cooperate, the space that the hole of bottom and sleeve 5 bottom cylindricals are formed can make the upper water cavity 1 of cylinder body 6, following water cavity 8 is by epicoele waterway 2, cavity of resorption waterway 7 is communicated with to get up, and forms the important core cooling channel of cylinder body 6.This is important in the whole cooling system of cylinder body.
Be convenient disassembly, there is the groove of five equilibrium the upper end of sleeve 5, and the quantity of groove is identical with the quantity of respective diameters spline, and the width of groove is identical with the width of respective diameters spline.Like this with regard to the instrument pulling off sleeves 5 of available similar splined shaft.Sleeve 5 can adopt No. 45 steels to make, and for improving its mechanical property, takes heat treatment process, and modified 28～32HRC is for preventing corrosion, sleeve 5 chrome-faceds.
For improving the sealability of assembling back sleeve 5, cylinder body 6 and copper packing 4, copper packing 4 adopts the copper plate punching out, and quench annealing is handled before the assembling.
Claims (2)
1. cylinder head sleeve seal structure, by cylinder body, seal ring, copper packing, sleeve is formed, it is characterized in that: the screw-internal thread fit that the outside thread of sleeve by its small end passes copper packing and cylinder body mesopore bottom is pressed on the mesopore inner bottom surface of cylinder body with it, the hole that the big end of sleeve is identical with cylinder body mesopore upper dimension cooperates, seal ring is contained in the annular groove of the hole of the groove of the big end of sleeve and cylinder body forming, the boring ratio top of cylinder body mesopore bottom is big with the hole that the big end of sleeve cooperates, on the cylinder body, on following water cavity reaches, the spatial communication that the cavity of resorption waterway is formed through the hole and the sleeve lower end external diameter of cylinder body mesopore bottom.
2. cylinder head sleeve seal structure according to claim 1 is characterized in that: there is the groove of five equilibrium the upper end of sleeve, and the quantity of groove is identical with the quantity of respective diameters spline, and the width of groove is identical with the width of respective diameters spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200202206U CN201041092Y (en) | 2007-03-29 | 2007-03-29 | Gas cylinder sleeve sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200202206U CN201041092Y (en) | 2007-03-29 | 2007-03-29 | Gas cylinder sleeve sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201041092Y true CN201041092Y (en) | 2008-03-26 |
Family
ID=39252796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200202206U Expired - Fee Related CN201041092Y (en) | 2007-03-29 | 2007-03-29 | Gas cylinder sleeve sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201041092Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284559A (en) * | 2011-06-08 | 2011-12-21 | 秦皇岛首秦金属材料有限公司 | Hot straightening machine supporting roller positioning sleeve and manufacturing method thereof |
| CN103624735A (en) * | 2013-12-03 | 2014-03-12 | 孙效 | Center hole part assembling method for cylinder cover |
| CN104727973A (en) * | 2013-10-17 | 2015-06-24 | 嘉科（无锡）密封技术有限公司 | Combustion chamber gasket seal for combustion engines of vehicles, preferably of motor vehicles |
-
2007
- 2007-03-29 CN CNU2007200202206U patent/CN201041092Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284559A (en) * | 2011-06-08 | 2011-12-21 | 秦皇岛首秦金属材料有限公司 | Hot straightening machine supporting roller positioning sleeve and manufacturing method thereof |
| CN104727973A (en) * | 2013-10-17 | 2015-06-24 | 嘉科（无锡）密封技术有限公司 | Combustion chamber gasket seal for combustion engines of vehicles, preferably of motor vehicles |
| CN103624735A (en) * | 2013-12-03 | 2014-03-12 | 孙效 | Center hole part assembling method for cylinder cover |
| CN103624735B (en) * | 2013-12-03 | 2015-10-07 | 孙效 | The assembly method of cylinder head interstitial hole part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080326 |