CN109611235A - Engine rear end sealing device - Google Patents
Engine rear end sealing device Download PDFInfo
- Publication number
- CN109611235A CN109611235A CN201910044904.7A CN201910044904A CN109611235A CN 109611235 A CN109611235 A CN 109611235A CN 201910044904 A CN201910044904 A CN 201910044904A CN 109611235 A CN109611235 A CN 109611235A
- Authority
- CN
- China
- Prior art keywords
- sealing
- rear end
- sealing cover
- face
- ring
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of engine rear end sealing devices, the sealing cover (1) including being assemblied in engine rear end, assemble sealing ring (11) on the leading exterior surface of sealing cover, and the front end of sealing cover is tightly connected by sealing ring and oil seal seat (2)；The rear end of sealing cover is equipped with flange face (12), and flange face is connect with the gluing end face seal of gear chamber (3).The sealing ring is O-ring seal, and sealing ring and oil seal seat is made to form radial seal.The outer diameter of the flange face is greater than the outer diameter of sealing cover, and flange face is enable to be fitted on the gluing end face of gear chamber.The present invention forms radial seal by the O-ring and flange face and back oil seal seat of sealing cover, the excessive compression of rubber sheet gasket is limited well, it ensure that the reliable sealing between oil sump and cylinder body, solves the problems, such as oil sealing when engine assembly, guarantee the sealing of oil seal seat and gear chamber when unassembled rear end gear chamber, to complete assembly line test run.
Description
Technical field
The present invention relates to a kind of engine component more particularly to a kind of engine rear end sealing devices.
Background technique
Automobile assembling production in, behind assembling gear room, need to seal between oil seal seat and gear chamber, make gear chamber with
Engine crankcase connection, currently, the sealing of oil sump and cylinder body mainly by way of gluing or passes through pad on engine
The sealing means of piece, gasket seal are the usual ways of oil sump and cylinder body sealing on current engine.Due to upper oil sump with
Cylinder body is directly connected to by bolt, and the compression height of gasket is caused to be unable to control, and in order to ensure leakproofness, gasket is often excessive
Compression, influences the deformability of gasket, thus the leakproofness after reducing the long-time use of the service life of gasket.
Utility model patent CN201301742 discloses a kind of engine sump tank applied to engine sump tank field
Plane in sealing structure, including oil pan body, rubber sheet gasket, cylinder body lower plane, oil sump, outside oil sump end face, in cylinder
The hook-shaped fixing that the two can be linked together is added outside body lower plane and oil sump end face, fixing passes through
Bolt and between setting cylinder body lower plane link together.The patent is end face seal structure, and no radial seal uses, and sealing can
It is poor by property.
Summary of the invention
The purpose of the present invention is to provide a kind of engine rear end sealing devices, can limit the excessive of rubber sheet gasket well
Compression, ensure that the reliable sealing between gear chamber and cylinder body.
The present invention is implemented as follows:
A kind of engine rear end sealing device, the sealing cover including being assemblied in engine rear end, on the leading exterior surface of sealing cover
Sealing ring is assembled, the front end of sealing cover is tightly connected by sealing ring and oil seal seat；The rear end of sealing cover is equipped with flange face, flange
The gluing end face seal of face and gear chamber connects.
The sealing ring is O-ring seal, and sealing ring and oil seal seat is made to be formed radially radial seal along sealing cover.
The outer diameter of the flange face is greater than the outer diameter of sealing cover, and flange face is enable to be fitted in the gluing end face of gear chamber
On.
Compared with prior art, the present invention having the following beneficial effects:
1, the present invention can effectively limit the excess compression of rubber sheet gasket, it is ensured that the resilience and leakproofness of rubber sheet gasket, to make
Reliable sealing is realized between gear chamber and cylinder body.
2, the present invention can efficiently reduce the requirement in arrangement of parts space, characteristics of compact layout, moreover it is possible to meet engine sealing and want
It asks.
The present invention forms radial seal by the O-ring and flange face and back oil seal seat of sealing cover, limits O-ring well
Excessive compression, ensure that the reliable sealing between gear chamber and cylinder body, solve the problems, such as oil sealing when engine assembly, guarantee
When unassembled rear end gear chamber, engine can still provide for assembling cold test run.
Detailed description of the invention
Fig. 1 is the installation diagram of inventive engine back-end sealing device；
Fig. 2 is the cross-sectional view of inventive engine back-end sealing device.
In figure, 1 sealing cover, 11 sealing rings, 12 flange faces, 2 oil seal seats, 3 gear chambers.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
Refer to attached drawing 1 and attached drawing 2, a kind of engine rear end sealing device, the sealing including being assemblied in engine rear end
Lid 1, sealing ring 11 is assembled on the leading exterior surface of sealing cover 1, and the front end of sealing cover 1 is sealed by sealing ring 11 and oil seal seat 2
Connection；The rear end of sealing cover 1 is equipped with flange face 12, and flange face 12 is connect with the gluing end face seal of gear chamber 3.
The sealing ring 11 is O-ring seal, and sealing ring 11 and oil seal seat 2 is made to be formed radially radial direction along sealing cover 1
Sealing.The outer diameter of the flange face 12 is greater than the outer diameter of sealing cover 1, and the section of flange face 12 and sealing cover 1 is L-shaped structure,
Flange face 12 is set to be fitted on the gluing end face of gear chamber 3.O-ring seal passes through back oil seal seat bore dia and seal cap sealing
The difference of slot bottom diameter is compressed to control transition, so that forming sealing prevents from revealing.
O-ring seal into factory, when assembly, first applies silica gel in the end face of sealing cover 1 loaded on sealing cover slot assembly, it is preferred that
Silica gel smears width and is at least 2mm wide, and the appropriate machine oil that applies makes to fit through gear chamber hole and entrance on the surface of O-ring seal
When Rear oil seal bore, it is easier to enter, O-ring seal trimming is avoided to fail.
Sealing cover 1 can be used materials A DC12(ADC12 and be also known as No. 12 aluminium material, and Al-Si-Cu system alloy is a kind of die casting aluminium
Alloy is suitble to cylinder head the cover, sensor stand, cylinder body class etc., executes standard are as follows: JIS H 5302-2000 " aluminium alloy compression casting
Part ")；Rubber can be used in O-ring seal, it is preferred that ethylene-acrylate rubber (AEM) can be used, be methyl acrylate content
For 8%~40% ethylene copolymer.
The above is merely preferred embodiments of the present invention, it is not intended to limit the protection scope of invention, it is therefore, all at this
Any modification, equivalent replacement, improvement and so within the spirit and principle of invention, should be included in protection model of the invention
Within enclosing.
Claims (3)
1. a kind of engine rear end sealing device, it is characterized in that: including the sealing cover (1) for being assemblied in engine rear end, sealing cover
(1) sealing ring (11) are assembled on leading exterior surface, the front end of sealing cover (1) is sealed by sealing ring (11) and oil seal seat (2)
Connection；The rear end of sealing cover (1) is equipped with flange face (12), and flange face (12) is connect with the gluing end face seal of gear chamber (3).
2. engine rear end sealing device according to claim 1, it is characterized in that: the sealing ring (11) is O-shaped close
Seal makes sealing ring (11) and oil seal seat (2) to be formed radially radial seal along sealing cover (1).
3. engine rear end sealing device according to claim 1, it is characterized in that: the outer diameter of the flange face (12) is big
Outer diameter in sealing cover (1) be fitted in flange face (12) can on the gluing end face of gear chamber (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044904.7A CN109611235A (en) | 2019-01-17 | 2019-01-17 | Engine rear end sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044904.7A CN109611235A (en) | 2019-01-17 | 2019-01-17 | Engine rear end sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109611235A true CN109611235A (en) | 2019-04-12 |
Family
ID=66017789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910044904.7A Pending CN109611235A (en) | 2019-01-17 | 2019-01-17 | Engine rear end sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109611235A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542321A (en) * | 2020-11-26 | 2022-05-27 | 长城汽车股份有限公司 | Sealing structure of eccentric shaft position sensor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0510304A1 (en) * | 1991-04-20 | 1992-10-28 | Goetze Ag | Housing closure cover |
| CN202381192U (en) * | 2011-11-29 | 2012-08-15 | 重庆建设摩托车股份有限公司 | Sealing structure for cylinder body of engine of motorcycle |
| CN102877975A (en) * | 2012-10-16 | 2013-01-16 | 无锡华源凯马发动机有限公司 | Ladder type separated engine body |
| CN202832845U (en) * | 2012-09-19 | 2013-03-27 | 南车玉柴四川发动机股份有限公司 | Diesel engine back oil seal |
| CN103382891A (en) * | 2012-05-02 | 2013-11-06 | 安徽华菱汽车有限公司 | Power takeoff at rear end of engine |
-
2019
- 2019-01-17 CN CN201910044904.7A patent/CN109611235A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0510304A1 (en) * | 1991-04-20 | 1992-10-28 | Goetze Ag | Housing closure cover |
| CN202381192U (en) * | 2011-11-29 | 2012-08-15 | 重庆建设摩托车股份有限公司 | Sealing structure for cylinder body of engine of motorcycle |
| CN103382891A (en) * | 2012-05-02 | 2013-11-06 | 安徽华菱汽车有限公司 | Power takeoff at rear end of engine |
| CN202832845U (en) * | 2012-09-19 | 2013-03-27 | 南车玉柴四川发动机股份有限公司 | Diesel engine back oil seal |
| CN102877975A (en) * | 2012-10-16 | 2013-01-16 | 无锡华源凯马发动机有限公司 | Ladder type separated engine body |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542321A (en) * | 2020-11-26 | 2022-05-27 | 长城汽车股份有限公司 | Sealing structure of eccentric shaft position sensor |
| CN114542321B (en) * | 2020-11-26 | 2023-03-21 | 长城汽车股份有限公司 | Sealing structure of eccentric shaft position sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |
|
| RJ01 | Rejection of invention patent application after publication |