CN103670783A - Front oil seal carrier for diesel engines - Google Patents
Front oil seal carrier for diesel engines Download PDFInfo
- Publication number
- CN103670783A CN103670783A CN201210344020.1A CN201210344020A CN103670783A CN 103670783 A CN103670783 A CN 103670783A CN 201210344020 A CN201210344020 A CN 201210344020A CN 103670783 A CN103670783 A CN 103670783A
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- Prior art keywords
- oil seal
- cylinder block
- hole
- front oil
- oil
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a front oil seal carrier for diesel engines. The front oil seal carrier comprises a support plate and a mounting sidewall extending to one side along the support plate. The middle of the support plate is provided with an oil seal mounting hole. The top face of the mounting sidewall serves as a cylinder block mounting face which is provided with nail holes at intervals. The cylinder block mounting face is provided with oil stop grooves between the nail holes. The front oil seal carrier for diesel engines is simple and reasonable in structure; the oil stop grooves arranged in the cylinder block mounting face between each two nail holes stop oil film pressure from transmitting; inner step small holes for stopping and positioning are omitted from the existing front oil seal carrier, the oil seal mounting hole is directly used for oil discharging, the front oil seal carrier can discharge oil more smoothly, tightness of the front oil seal carrier is enhanced, and leaking diesel jetted from two sides of a bearing bush is effectively prevented.
Description
Technical field
The present invention relates to diesel engine field, particularly a kind of front oil seal seat of diesel engine.
Background technique
The Front oil seal of existing diesel is installed in cylinder block by front oil seal seat, to stop the lubricating oil leakage in crankcase.
As shown in Figure 1 to Figure 3, the lid shape structure that existing front oil seal seat is open lower side, concrete structure comprises: dunnage 11 and the installation sidewall 12 extending to a side along this dunnage 11, the open lower side that sidewall 12 is installed.The middle part of dunnage 11 offers the oil sealing installation step hole 13 that outer imperial palace is little, and oil sealing is arranged in the outside macropore in oil sealing installation step hole 13, backstop location when inner side aperture is installed for oil sealing; The lower middle side part of inner side aperture has the outside macropore in oil sealing installation step hole 13 of connection and the drain pan 14 of front oil seal seat inner chamber.The end face that sidewall 12 is installed is cylinder block attachment face 15, spaced apartly on cylinder block attachment face 15 be provided with eight and cross nail holes 16, the inner side of dunnage 11 also has the stiffening rib 17 in four connection sidewalls 12 and oil sealing installation step hole 13, and wherein the outer end of three stiffening ribs 17 is connected respectively to the nail hole 16 excessively of left and right side and upside.
The defect of existing front oil seal seat is, during diesel engine work, machine oil mainly from bearing shell both sides sustained firing to the front oil seal seat left and right sides two of middle part cross nail holes 16, in gap between the cylinder block attachment face 15 that machine oil is followed closely hole 16 in these two mistakes and cylinder block, put aside into oil film, and constantly along this gap, to front oil seal seat, exosmose under the lasting punching press of follow-up machine oil, thereby can not well prevent from the lubricating oil leakage of bearing shell both sides ejection.In addition, oil sealing is arranged in the outside macropore in oil sealing installation step hole 13, and carries out oil sealing draining by the drain pan 14 of inner side aperture, and drain pan 14 cross sections are little, and draining is limited in one's ability, and machine oil can not return in time and lets out the leakage that also can aggravate machine oil.Also have, the stiffening rib of front oil seal seat is very few, affects front oil seal seat rigidity intensity, especially crosses the intensity of following closely position, hole.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, provides a kind of simple and reasonable, machine oil good airproof performance, the front oil seal seat of diesel engine that rigidity intensity is high.
For achieving the above object, according to the invention provides a kind of front oil seal seat of diesel engine, comprise: dunnage and the installation sidewall extending to a side along dunnage, the middle part of dunnage offers seal mounting hole, the end face that sidewall is installed is cylinder block attachment face, the spaced apart nail hole that was provided with on cylinder block attachment face, excessively follows closely on the cylinder block attachment face between hole and offers gear oil groove.
In technique scheme, gear oil groove is opened in respectively two mistakes at middle part, the left and right sides and follows closely on the cylinder block attachment face between hole.
In technique scheme, gear oil groove is long strip, along the extension in the same way of cylinder block attachment face, and to cylinder block attachment face sunken inside.
In technique scheme, seal mounting hole is through hole.
In technique scheme, the inner side of dunnage also has the stiffening rib of six connection sidewalls and oil sealing installation through hole, and wherein the outer end of five stiffening ribs is connected respectively to the nail hole excessively of left and right side and upside.
Compared with prior art, the present invention has following beneficial effect: this front oil seal seat of diesel engine is simple and reasonable, by following closely on the cylinder block attachment face between hole and offer gear oil groove two mistakes, and the transmission of blocking-up oil film pressure; And omitted existing front oil seal seat for backstop location inner side step aperture, and directly adopt oil sealing that through hole draining is installed, make front oil seal seat draining more unobstructed, strengthen the sealing effect of front oil seal seat, can effectively prevent from the lubricating oil leakage of bearing shell both sides ejection.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of existing diesel front oil seal seat;
Fig. 2 is the sectional structure schematic diagram of the A-A direction of Fig. 1;
Fig. 3 is the backsight structural representation of existing diesel front oil seal seat;
Fig. 4 is the main TV structure schematic diagram of front oil seal seat of diesel engine of the present invention;
Fig. 5 is the sectional structure schematic diagram of the B-B direction of Fig. 4;
Fig. 6 is the sectional structure schematic diagram of the C-C direction of Fig. 4;
Description of reference numerals:
11-dunnage, 12-installs sidewall, 13-oil sealing installation step hole, 14-drain pan, 15-cylinder block attachment face, 16-crosses nail hole, 17-stiffening rib, and 21-dunnage, 22-installs sidewall, and 23-oil sealing is installed through hole, 24-cylinder block attachment face, 25-crosses nail hole, and 26-keeps off oil groove, 27-stiffening rib.
Embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of embodiment.It will be appreciated that, mentioned in following mode of execution of the present invention " on ", D score, " left side ", " right side ", " front " and " reverse side " all take the direction shown in each figure as benchmark, these words that are used for limiting direction are only used to be convenient to explanation, do not represent the restriction to the concrete technological scheme of the present invention.
As shown in Figure 4, the lid shape structure that front oil seal seat of diesel engine of the present invention is open lower side, concrete structure comprises: dunnage 21 and the installation sidewall 22 extending to a side along this dunnage 21, the open lower side that sidewall 22 is installed.
As shown in Figure 6, the middle part of dunnage 21 offers oil sealing through hole 23 is installed, and has omitted existing front oil seal seat herein for backstop location inner side step aperture, makes front oil seal seat draining more unobstructed.The end face that sidewall 22 is installed is cylinder block attachment face 24, spaced apartly on cylinder block attachment face 24 be provided with eight and cross nail holes 25, two mistakes at front oil seal seat left and right sides middle part are followed closely and on the cylinder block attachment face 24 between hole 25, are offered respectively a long strip gear oil groove 26, gear oil groove 26 extends in the same way along cylinder block attachment face 24, and to cylinder block attachment face 24 sunken insides (as shown in Figure 5), like this, just and the mounting plane of cylinder block between formed hollow structure, for blocking the transmission of oil film pressure, and then the sealing effect of enhancing front oil seal seat, prevent leakage of oil.
As shown in Figure 4, the inner side of dunnage 21 also has the stiffening rib 27 of six connection sidewalls 22 and oil sealing installation through hole 23, wherein the outer end of five stiffening ribs 27 is connected respectively to the nail hole 25 excessively of left and right side and upside, for strengthening the rigidity intensity of front oil seal seat, especially cross the installation strength of following closely 25 places, hole.
During diesel engine work, machine oil mainly from bearing shell both sides sustained firing to the front oil seal seat left and right sides two of middle part cross nail holes 25, in gap between the gear oil groove 26 inner side cylinder block attachment faces 24 that machine oil is followed closely 25, hole in these two mistakes and cylinder block, put aside into oil film, under the lasting punching press of follow-up machine oil, constantly along this gap to front oil seal seat, outside is oozed out, when advancing to gear oil groove 26, oil film interrupts, and then bleed back, the transmission of blocking-up oil film pressure, and then the sealing effect of enhancing front oil seal seat, can effectively prevent from the lubricating oil leakage of bearing shell both sides ejection.
In addition, oil sealing is arranged on oil sealing through hole 23 is installed, and has omitted existing front oil seal seat herein for backstop location inner side step aperture, makes front oil seal seat draining more unobstructed, can not let out the leakage that aggravates machine oil because machine oil can not return in time.
This front oil seal seat of diesel engine is simple and reasonable, by following closely on the cylinder block attachment face between hole and offer gear oil groove two mistakes, and the transmission of blocking-up oil film pressure; And omitted existing front oil seal seat for backstop location inner side step aperture, and directly adopt oil sealing that through hole draining is installed, make front oil seal seat draining more unobstructed, strengthen the sealing effect of front oil seal seat, can effectively prevent from the lubricating oil leakage of bearing shell both sides ejection.
Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (5)
1. a front oil seal seat of diesel engine, it is characterized in that, comprise: dunnage and the installation sidewall extending to a side along described dunnage, the middle part of described dunnage offers seal mounting hole, the end face of described installation sidewall is cylinder block attachment face, the spaced apart nail hole that was provided with on described cylinder block attachment face, described mistake is followed closely on the cylinder block attachment face between hole and is offered gear oil groove.
2. front oil seal seat of diesel engine according to claim 1, is characterized in that: described gear oil groove is opened in respectively two described mistakes at middle part, the left and right sides and follows closely on the cylinder block attachment face between hole.
3. front oil seal seat of diesel engine according to claim 1, is characterized in that: described gear oil groove is long strip, along the extension in the same way of described cylinder block attachment face, and to described cylinder block attachment face sunken inside.
4. front oil seal seat of diesel engine according to claim 1, is characterized in that: described seal mounting hole is through hole.
5. according to the front oil seal seat of diesel engine described in any one in claim 1 to 4, it is characterized in that: the inner side of described dunnage also has six stiffening ribs that connect described installation sidewall and oil sealing installation through hole, and wherein the outer end of five described stiffening ribs is connected respectively to the described nail hole of crossing of left and right side and upside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210344020.1A CN103670783B (en) | 2012-09-17 | 2012-09-17 | Front oil seal seat of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210344020.1A CN103670783B (en) | 2012-09-17 | 2012-09-17 | Front oil seal seat of diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103670783A true CN103670783A (en) | 2014-03-26 |
| CN103670783B CN103670783B (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210344020.1A Active CN103670783B (en) | 2012-09-17 | 2012-09-17 | Front oil seal seat of diesel engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN103670783B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829798A (en) * | 2017-11-02 | 2018-03-23 | 广西玉柴机器股份有限公司 | Gas machine front oil seal seat structure |
Citations (9)
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|---|---|---|---|---|
| DE4136890C2 (en) * | 1991-11-09 | 1995-08-03 | Goetze Elastomere Gmbh | Housing cover |
| JPH10299573A (en) * | 1997-04-25 | 1998-11-10 | Suzuki Motor Corp | Crankshaft oil seal structure for engine |
| CN201090312Y (en) * | 2007-06-06 | 2008-07-23 | 潍柴动力股份有限公司 | Front oil seal seat of diesel engine |
| CN101566231A (en) * | 2008-04-24 | 2009-10-28 | 丰田自动车株式会社 | Seal structure, chain case, and seal structure formation method |
| CN201334964Y (en) * | 2008-12-30 | 2009-10-28 | 中国重汽集团济南动力有限公司 | Diesel engine crankshaft oil seal |
| CN301072164S (en) * | 2008-08-11 | 2009-12-02 | 广西玉柴机器股份有限公司 | Front oil seal seat of diesel engine |
| CN201568157U (en) * | 2009-11-01 | 2010-09-01 | 青岛北海油封有限公司 | Sealed combined base |
| CN201568158U (en) * | 2009-11-17 | 2010-09-01 | 浙江吉利汽车研究院有限公司 | Shaft end sealing structure of engine crankshaft |
| CN202832843U (en) * | 2012-09-17 | 2013-03-27 | 广西玉柴机器股份有限公司 | Diesel engine front oil seal seat |
-
2012
- 2012-09-17 CN CN201210344020.1A patent/CN103670783B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4136890C2 (en) * | 1991-11-09 | 1995-08-03 | Goetze Elastomere Gmbh | Housing cover |
| JPH10299573A (en) * | 1997-04-25 | 1998-11-10 | Suzuki Motor Corp | Crankshaft oil seal structure for engine |
| CN201090312Y (en) * | 2007-06-06 | 2008-07-23 | 潍柴动力股份有限公司 | Front oil seal seat of diesel engine |
| CN101566231A (en) * | 2008-04-24 | 2009-10-28 | 丰田自动车株式会社 | Seal structure, chain case, and seal structure formation method |
| CN301072164S (en) * | 2008-08-11 | 2009-12-02 | 广西玉柴机器股份有限公司 | Front oil seal seat of diesel engine |
| CN201334964Y (en) * | 2008-12-30 | 2009-10-28 | 中国重汽集团济南动力有限公司 | Diesel engine crankshaft oil seal |
| CN201568157U (en) * | 2009-11-01 | 2010-09-01 | 青岛北海油封有限公司 | Sealed combined base |
| CN201568158U (en) * | 2009-11-17 | 2010-09-01 | 浙江吉利汽车研究院有限公司 | Shaft end sealing structure of engine crankshaft |
| CN202832843U (en) * | 2012-09-17 | 2013-03-27 | 广西玉柴机器股份有限公司 | Diesel engine front oil seal seat |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829798A (en) * | 2017-11-02 | 2018-03-23 | 广西玉柴机器股份有限公司 | Gas machine front oil seal seat structure |
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| Publication number | Publication date |
|---|---|
| CN103670783B (en) | 2016-11-16 |
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