CN103670783B - Front oil seal seat of diesel engine - Google Patents
Front oil seal seat of diesel engine Download PDFInfo
- Publication number
- CN103670783B CN103670783B CN201210344020.1A CN201210344020A CN103670783B CN 103670783 B CN103670783 B CN 103670783B CN 201210344020 A CN201210344020 A CN 201210344020A CN 103670783 B CN103670783 B CN 103670783B
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- seal seat
- cylinder block
- oil seal
- block installed
- installed surface
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of front oil seal seat of diesel engine.This front oil seal seat of diesel engine includes: gripper shoe and the installation sidewall extended to side along gripper shoe, the middle part of gripper shoe offers seal mounting hole, the end face installing sidewall is cylinder block installed surface, the spaced apart nail that was provided with on cylinder block installed surface, crosses and offers gear oil groove on the cylinder block installed surface between nail.This front oil seal seat of diesel engine is simple and reasonable, by offering gear oil groove on two cylinder block installed surfaces crossed between nail, blocks the transmission of oil film pressure；And eliminate existing front oil seal seat for backstop position inner side step aperture, directly use oil sealing install through hole draining so that front oil seal seat draining is more unobstructed, strengthen front oil seal seat sealing effectiveness, can effectively prevent from bearing shell both sides spray lubricating oil leakage.
Description
Technical field
The present invention relates to diesel engine arts, particularly to a kind of front oil seal seat of diesel engine.
Background technology
The Front oil seal of existing diesel is installed in cylinder block by front oil seal seat, within stoping crankcase
Lubricating oil leakage.
As shown in Figure 1 to Figure 3, existing front oil seal seat is the cap-shaped structure of open lower side, concrete structure bag
Include: gripper shoe 11 and the installation sidewall 12 extended to side along this gripper shoe 11, sidewall is installed 12 times
Side opening.The middle part of gripper shoe 11 offers the oil sealing installation step hole 13 that outer imperial palace is little, and oil sealing is arranged on
In the outside macropore in oil sealing installation step hole 13, inner side aperture backstop location when oil sealing is installed；In
The lower middle side part of side aperture has the connection outside macropore in oil sealing installation step hole 13 and front oil seal seat inner chamber
Drain pan 14.The end face installing sidewall 12 is cylinder block installed surface 15, and cylinder block installed surface 15 is spaced
Offering eight and cross nail 16, the inner side of gripper shoe 11 also has four and connects installation sidewall 12 and oil sealing
The reinforcement 17 in installation step hole 13, wherein the outer end of three reinforcements 17 be connected respectively to left and right sides and
The mistake nail 16 of upside.
The defect of existing front oil seal seat is, during diesel engine work, machine oil mainly persistently sprays from bearing shell both sides
Being mapped to two in the middle part of the front oil seal seat left and right sides and cross between nail 16, machine oil crosses nail 16 at these two
Cylinder block installed surface 15 and cylinder block between gap in put aside into oil film, and continuing at follow-up machine oil
Constantly exosmose to front oil seal seat along this gap under punching press, thus can not well prevent from bearing shell two side spray
The lubricating oil leakage gone out.It addition, oil sealing is arranged in the outside macropore in oil sealing installation step hole 13, and pass through
The drain pan 14 of inner side aperture carries out oil sealing draining, and drain pan 14 cross section is little, and draining is limited in one's ability, and
Machine oil can not return in time and let out the leakage that also can aggravate machine oil.Further, the reinforcement of front oil seal seat is very few, shadow
Ring front oil seal seat rigid, especially cross the intensity at nail position.
Summary of the invention
The present invention is to overcome defect in above-mentioned prior art, it is provided that a kind of simple and reasonable, machine
Oil seal is good, the front oil seal seat of diesel engine that rigid is high.
For reaching above-mentioned purpose, according to the invention provides a kind of front oil seal seat of diesel engine, including: support
Plate and the installation sidewall extended to side along gripper shoe, the middle part of gripper shoe offers seal mounting hole, peace
The end face of dress sidewall is cylinder block installed surface, and the spaced apart nail that was provided with on cylinder block installed surface crosses nail
Between cylinder block installed surface on offer gear oil groove.
In technique scheme, gear oil groove is opened in two in the middle part of the left and right sides respectively and crosses between nail
On cylinder block installed surface.
In technique scheme, gear oil groove is strip, along the extension in the same direction of cylinder block installed surface, and to
Cylinder block installed surface sunken inside.
In technique scheme, seal mounting hole is through hole.
In technique scheme, the inner side of gripper shoe also has six connection installation sidewalls and oil sealing is installed logical
The reinforcement in hole, wherein the outer end of five reinforcements is connected respectively to the mistake nail of left and right sides and upside.
Compared with prior art, there is advantages that this front oil seal seat of diesel engine structure letter
Single reasonable, by offering gear oil groove on two cylinder block installed surfaces crossed between nail, block oil film pressure
The transmission of power；And eliminate existing front oil seal seat for backstop position inner side step aperture, directly use
Through hole draining installed by oil sealing so that front oil seal seat draining is more unobstructed, strengthens the sealing effectiveness of front oil seal seat,
Can effectively prevent the lubricating oil leakage from the ejection of bearing shell both sides.
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 in 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 the front oil seal seat of diesel engine of the present invention；
Fig. 5 is the sectional structure schematic diagram in the B-B direction of Fig. 4；
Fig. 6 is the sectional structure schematic diagram in the C-C direction of Fig. 4；
Description of reference numerals:
11-gripper shoe, 12-installs sidewall, 13-oil sealing installation step hole, 14-drain pan, 15-cylinder block
Installed surface, 16-crosses nail, 17-reinforcement, 21-gripper shoe, and 22-installs sidewall, and 23-oil sealing is installed logical
Hole, 24-cylinder block installed surface, 25-crosses nail, and 26-keeps off oil groove, 27-reinforcement.
Detailed description of the invention
Below in conjunction with the accompanying drawings, a specific embodiment of the present invention is described in detail, but it should reason
Solve protection scope of the present invention not limited by detailed description of the invention.It is to be appreciated that the present invention
In implementation below mentioned " on ", D score, "left", "right", " front " and " reverse side " all
On the basis of the direction shown in each figure, these words being used for limiting direction are intended merely to facilitate explanation,
Do not represent the restriction of technical scheme concrete to the present invention.
As shown in Figure 4, the front oil seal seat of diesel engine of the present invention is the cap-shaped structure of open lower side, specifically ties
Structure includes: gripper shoe 21 and the installation sidewall 22 extended to side along this gripper shoe 21, installs sidewall 22
Open lower side.
As shown in Figure 6, the middle part of gripper shoe 21 offers oil sealing and installs through hole 23, explanations are omitted heres existing
Front oil seal seat positions inner side step aperture for backstop so that front oil seal seat draining is more unobstructed.Installation side
The end face of wall 22 is cylinder block installed surface 24, on cylinder block installed surface 24 spaced apart be provided with eight cross nail
25, two in the middle part of the front oil seal seat left and right sides cross difference on the cylinder block installed surface 24 between nail 25
Offering a strip gear oil groove 26, gear oil groove 26 extends in the same direction along cylinder block installed surface 24, and to
Cylinder block installed surface 24 sunken inside (as shown in Figure 5), so, just between the mounting plane of cylinder block
Define hollow structure, for blocking the transmission of oil film pressure, and then strengthen the sealing effectiveness of front oil seal seat,
Prevent leakage of oil.
As shown in Figure 4, the inner side of gripper shoe 21 also has six connection installation sidewalls 22 and oil sealing is installed
The reinforcement 27 of through hole 23, wherein the outer end of five reinforcements 27 is connected respectively to left and right sides and upside
Cross nail 25, for strengthening the rigid of front oil seal seat, especially cross the installation strength at nail 25.
During diesel engine work, machine oil is mainly in the middle part of bearing shell both sides sustained firing to the front oil seal seat left and right sides
Two cross between nail 25, machine oil is cylinder block peace inside these two the gear oil grooves 26 crossed between nail 25
Oil film is put aside in gap between dress face 24 and cylinder block, continuous edge under the lasting punching press of follow-up machine oil
This gap is oozed out outside front oil seal seat, and when advancing to keep off oil groove 26, oil film interrupts, and then bleeds back,
Block the transmission of oil film pressure, and then the sealing effectiveness of enhancing front oil seal seat, can effectively prevent from bearing shell two
The lubricating oil leakage that side spray goes out.
It addition, oil sealing is arranged on oil sealing installs through hole 23, explanations are omitted here existing front oil seal seat for backstop
Location inner side step aperture so that front oil seal seat draining is more unobstructed, will not let out because machine oil can not return in time
And aggravate the leakage of machine oil.
This front oil seal seat of diesel engine is simple and reasonable, is installed by the cylinder block crossed between nail at two
Offer gear oil groove on face, block the transmission of oil film pressure；And eliminate existing front oil seal seat for backstop
Location inner side step aperture, directly uses oil sealing to install through hole draining so that front oil seal seat draining is more logical
Freely, strengthen the sealing effectiveness of front oil seal seat, can effectively prevent the lubricating oil leakage from the ejection of bearing shell both sides.
The several specific embodiments being only the present invention disclosed above, but, the present invention is not limited to this,
The changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (4)
1. a front oil seal seat of diesel engine, it is characterised in that including: gripper shoe and along described gripper shoe to
The installation sidewall that side extends, the middle part of described gripper shoe offers seal mounting hole, described installation sidewall
End face be cylinder block installed surface, the spaced apart nail that was provided with on described cylinder block installed surface, described cross nail
Gear oil groove is offered on cylinder block installed surface between hole；Described seal mounting hole is through hole, does not have use
Inner side step aperture in backstop location.
Front oil seal seat of diesel engine the most according to claim 1, it is characterised in that: described gear oil groove divides
It is not opened on the described cylinder block installed surface crossed between nail of two in the middle part of the left and right sides.
Front oil seal seat of diesel engine the most according to claim 1, it is characterised in that: described gear oil groove is
Strip, along the extension in the same direction of described cylinder block installed surface, and to described cylinder block installed surface sunken inside.
Front oil seal seat of diesel engine the most according to any one of claim 1 to 3, it is characterised in that:
The inner side of described gripper shoe also has six reinforcements connecting described installation sidewall and oil sealing installation through hole,
Wherein the outer end of five described reinforcements is connected respectively to left and right sides and the described of upside crosses nail.
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 CN103670783A (en) | 2014-03-26 |
| CN103670783B true CN103670783B (en) | 2016-11-16 |
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Family Applications (1)
| 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 |
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| Country | Link |
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| CN (1) | CN103670783B (en) |
Families Citing this family (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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4136890C2 (en) * | 1991-11-09 | 1995-08-03 | Goetze Elastomere Gmbh | Housing cover |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP4737224B2 (en) * | 2008-04-24 | 2011-07-27 | トヨタ自動車株式会社 | Seal structure |
| 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 |
-
2012
- 2012-09-17 CN CN201210344020.1A patent/CN103670783B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4136890C2 (en) * | 1991-11-09 | 1995-08-03 | Goetze Elastomere Gmbh | Housing cover |
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| Publication number | Publication date |
|---|---|
| CN103670783A (en) | 2014-03-26 |
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