CN108150303A - A kind of engine cylinder head cover sealing gasket - Google Patents
A kind of engine cylinder head cover sealing gasket Download PDFInfo
- Publication number
- CN108150303A CN108150303A CN201711420836.7A CN201711420836A CN108150303A CN 108150303 A CN108150303 A CN 108150303A CN 201711420836 A CN201711420836 A CN 201711420836A CN 108150303 A CN108150303 A CN 108150303A
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- China
- Prior art keywords
- sealing
- muscle
- profile
- groove
- pad body
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- 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.)
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Classifications
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- 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
Abstract
The present invention relates to a kind of engine cylinder head cover sealing gaskets, including sealing pad body, the sealing pad body in length be more than width annular, above be adapted with the profile of cylinder the cover cover lower edge, the profile below with front cover and cylinder cap upper edge is adapted, it is characterized in that：There is a bulge-structure in the side of the gasket body length direction, the bulge-structure is corresponding with the injection pump being located on the cylinder cap, the first sealing structure is equipped in the corner A of the left end of the bulge-structure, second seals structure is equipped in the corner B of the right end of the bulge-structure, third sealing structure is equipped in sealing pad body right part C in front, the right part D in the sealing pad body back is equipped with the 4th sealing structure.The present invention disclosure satisfy that the seal request of three faying faces of engine, solve the problems, such as that engine lubricating oil leakage occurs under high temperature and vibration.
Description
Technical field
The present invention relates to automobile engines, and in particular to a kind of engine cylinder head cover sealing gasket.
Background technology
Engine cylinder head cover sealing gasket is mounted in a kind of rubber seal between the valve mechanism cover of engine and cylinder cap
Part, the rubber seal play the role of sealing machine oil by flexible rubber compression rebound, but with engine booster, direct-injection
With the technology application of chain drive so that cylinder head cover sealing gasket is no longer the sealing for meeting two interplanars, but three flat
The sealing that face combines, requirement higher of three flat seals to gasket.
Existing engine increases, straightening sprays and the application of chain drive technology, it may appear that multiple sealing areas, such as Fig. 1 institutes
Show, 1 three cylinder cap 4, front cover 3 and cylinder cover faces combine（It is T-shaped）Seal area D, C, 1 three oil pump 5, cylinder cap 2 and cylinder cover face knots
It closes（It is T-shaped）Seal area A, B with three product sizes and the superposition of build-up tolerance and the raising of engine luggine, are used
Traditional sealing structure is susceptible to above-mentioned seal area lubricating oil leakage problem.
CN206668423U is disclosed " a kind of cylinder head cover sealing gasket ", which is mounted on vehicle startup
Between the cylinder head and valve mechanism cover of machine.The cylinder head cover sealing gasket is cyclic structure, and the cylinder head cover sealing gasket has
First surface and second surface.The first surface is the surface contacted with the cylinder head, the second surface be with it is described
Valve mechanism cover contact surface.At the first surface be equipped with plurality of sealing lines, and in the plurality of sealing lines arbitrary neighborhood two
Oil storage tank is equipped between sealing lines, the cylinder head and the lubrication in the valve mechanism cover are prevented by the plurality of sealing lines
Oil leaks, and a small amount of lubricating oil is stored by the oil storage tank.The cylinder head cover sealing gasket, which is equipped with twice, prevents oil leak
Barrier enhances the leakproofness of cylinder head cover sealing gasket.
" a kind of gasket " disclosed in CN202228207U, applied to junction between engine air cylinder cap and cylinder body
The top for being sealed in the gasket is provided at least two seal lips, a plurality of seal lip asymmetric arrangement, seal lip
It is set to the inner inclination of valve mechanism cover, sealed muscle is equipped in " gantry " end of the gasket.The gasket it is transversal
Face is provided with line contact sealing muscle into U-shaped in the gasket U-shaped structure bottom end.It is provided on the gasket periphery anti-
The protrusion to come off.The gasket is vulcanized by ACM or AEM and is formed.The gasket realizes excellent between valve mechanism cover and cylinder body
Sealing performance, avoid the leakage problem at sealed connection in the prior art.
Unquestionably, above-mentioned two patents are all a kind of good tries of technical field.
Invention content
The object of the present invention is to provide a kind of engine cylinder head cover sealing gaskets, disclosure satisfy that three combinations of engine
The seal request in face solves the problems, such as that engine lubricating oil leakage occurs under high temperature and vibration.
A kind of engine cylinder head cover sealing gasket of the present invention, including sealing pad body, the sealing pad body is in length
Degree more than width annular, above be adapted with the profile of cylinder the cover cover lower edge, below with front cover and the wheel of cylinder cap upper edge
Exterior feature is adapted, it is characterized in that：
There is a bulge-structure in the side of the gasket body length direction, the bulge-structure is with being located on the cylinder cap
Injection pump corresponds to, and the first sealing structure is equipped in the corner A of the left end of the bulge-structure, in the right end of the bulge-structure
Corner B be equipped with second seals structure, third sealing structure is equipped in the sealing pad body right part C in front, described
The right part D for sealing pad body back is equipped with the 4th sealing structure.
Further, first sealing structure is identical with second seals structure, rectangle bending profile is respectively provided with, described
Be equipped with four along its length and the first parallel seal bead in rectangle bending profile, four first seal beads with
Two long sides of the rectangle bending profile form the first equal groove of five spacing distances；In 5 first groove
Inside be respectively equipped with the one or more the first transverse sealing muscle, between two the first transverse sealing muscle in same first groove or
The first coating groove is formed between the broadside of one the first transverse sealing muscle and rectangle bending profile.
The third sealing structure is identical with the 4th sealing structure, is respectively provided with rectangular profile, in the rectangular profile
Inside it is equipped with four along its length and the second parallel seal bead, four second seal beads and the rectangular profile
Two long sides form equal the second groove of five spacing distances；One or more is respectively equipped in 5 second groove
Item the second transverse sealing muscle, between two the second transverse sealing muscle in same second groove or a second transverse sealing muscle
The second coating groove is formed between the broadside of rectangle bending profile.
Further, in the rectangle bending profile left part first, third, be respectively equipped with protrusion in the 5th groove
The first transverse sealing muscle；In the rectangle bending profile right part first, third, be respectively equipped in the 5th groove it is convex
The first transverse sealing muscle for rising, the first transverse sealing muscle for further respectively having in the second, the 4th groove protrusion.
Further, in the rectangular profile first, third, be respectively equipped with multiple rows of protrusion in the five the second grooves
The second transverse sealing muscle, further respectively have the second of multiple rows of protrusion in the second, the four the second grooves in rectangular profile
Transverse sealing muscle；Described first, third, the second transverse sealing muscle in the five the second grooves with second, it is the four the second recessed
The alternate setting of second transverse sealing muscle in slot.
Further, the first transverse sealing muscle and the second transverse sealing muscle are higher by the upper surface of the sealing pad body
0.3mm。
Further, the sealing pad body is made of carboxylic acid type HT- acrylic rubber.
Beneficial effects of the present invention：
（1）Knot is sealed due to being equipped with crisscross grid type in the first, second, third and fourth seal area of sealing pad body
Structure, several the first transverse sealing muscle, the second transverse sealing muscle protrusion 0.3mm height, play preferable sealing function；One
As first, second, third and fourth seal area using gluing come make up sealing, have with the gluing position of gasket body fits
The coating groove of multiple square grooves plays the role of holding glue, so as to substantially increase gluing and airtight quality, effectively solves hair
There is the problem of lubricating oil leakage under high temperature and vibration in motivation
（2）Since sealing pad body is using carboxylic acid type HT- acrylic rubber materials, heatproof is high, and it is good to compress permanent performance, effectively
The airtight quality that ensure that product.
Description of the drawings
Fig. 1 is the assembling schematic diagram of engine cylinder hood seal gasket；
Fig. 2 is the structure diagram of the cylinder head cover sealing gasket of the present invention；
Fig. 3 is the first sealing structure of the present invention or the schematic diagram of second seals structure；
Fig. 4 is the third sealing structure of the present invention or the schematic diagram of the 4th sealing structure.
In figure：1- valve mechanism cover, 2- sealing pad bodies, 3- front covers, 4- cylinder caps, 5- injection pumps；
20- bulge-structures, the first sealing structures of 21-, 22- second seals structures, 23 third sealing structures, the sealing knots of 24- the 4th
Structure；
30- rectangles bending profile, the first seal beads of 31-, the first grooves of 32-, 33- the first transverse sealing muscle, 34- first are applied
Glue groove；
40- rectangular profiles, the second seal beads of 41-, the second grooves of 42-, 43- the second transverse sealing muscle, the second gluings of 44-
Slot.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of engine cylinder head cover sealing gasket, should including sealing pad body 2
The annular that pad body is more than width in length is sealed, it is adapted above with the profile of 1 lower edge of cylinder the cover cover, below and front shroud
The profile of 4 upper edge of lid 3 and cylinder cap is adapted, and the substantive distinguishing features protruded are：
There is a bulge-structure 20 in the side of sealing 2 length direction of pad body, the bulge-structure is with being located at the cylinder cap 4
On injection pump 5 correspond to, the bulge-structure left end corner A be equipped with the first sealing structure 21, it is described protrusion knot
The corner B of the right end of structure is equipped with second seals structure 22, is sealed in the sealing 2 right part C in front of pad body equipped with third
Structure 23, the right part D in 2 back of the sealing pad body are equipped with the 4th sealing structure 24.
First sealing structure 21 and second seals structure 22 are identical, rectangle bending profile 30 are respectively provided with, described
Four are equipped in rectangle bending profile along its length and the first parallel seal bead 31, four first seal beads
31 first grooves 32 equal with two long sides, five spacing distances of formation of rectangle bending profile 30；Described five
It is respectively equipped with the one or more the first transverse sealing muscle 33 in first groove 32, two first in same first groove 32 are laterally
First is formed between sealed muscle 33 or between the broadside of a first transverse sealing muscle 33 and rectangle bending profile 30
Coating groove 34.
23 and the 4th sealing structure 24 of third sealing structure is identical, rectangular profile 40 is respectively provided with, described rectangular
Four are equipped in shape profile along its length and the second parallel seal bead 41, four second seal beads 41 with it is described
Two long sides of rectangular profile 40 form the second equal groove 42 of five spacing distances；In 5 second groove 42
The one or more the second transverse sealing muscle 43 are respectively equipped with, between two the second transverse sealing muscle 43 in same second groove 42
Or form the second coating groove 44 between the broadside of a second transverse sealing muscle 43 and rectangle bending profile 30.
In rectangle bending profile 30 left part first, third, protrusion is respectively equipped in the 5th groove 32
First transverse sealing muscle 33；In rectangle bending profile 30 right part first, third, set respectively in the 5th groove 32
There is the first transverse sealing muscle 33 of protrusion, the first raised transverse sealing muscle is further respectively had in the second, the 4th groove 32
33。
In the rectangular profile 40 first, third, be respectively equipped with multiple rows of protrusion in the five the second grooves 42
Second transverse sealing muscle 43 further respectively has multiple rows of protrusion in the second, the four the second grooves 42 in rectangular profile 40
Second transverse sealing muscle 43；Described first, third, the second transverse sealing muscle 43 and second, in the five the second grooves 42
Second transverse sealing muscle, 43 alternate setting in 4 second grooves 42.
The first transverse sealing muscle 33 and the second transverse sealing muscle 43 are higher by the upper surface of the sealing pad body 2
0.3mm（Millimeter）.
The sealing pad body 2 is made of carboxylic acid type HT- acrylic rubber.Carboxylic acid type HT- acrylic rubber materials
Expect that heatproof is high, compress that permanent performance is good, can effectively ensure that the airtight quality of product.
Claims (7)
1. a kind of engine cylinder head cover sealing gasket, including sealing pad body（2）, the sealing pad body is in length more than width
Annular, above and cylinder the cover cover（1）The profile of lower edge is adapted, below and front cover（3）And cylinder cap（4）The profile phase of upper edge
Adaptation, it is characterized in that：
In the sealing pad body（2）The side of length direction has a bulge-structure（20）, the bulge-structure and it is located at described
Cylinder cap（4）On injection pump（5）It is corresponding, it is equipped with the first sealing structure in the corner A of the left end of the bulge-structure（21）,
The corner B of the right end of the bulge-structure is equipped with second seals structure（22）, in the sealing pad body（2）Right part in front
C is equipped with third sealing structure（23）, in the sealing pad body（2）The right part D of back is equipped with the 4th sealing structure（24）.
2. engine cylinder head cover sealing gasket according to claim 1, it is characterized in that：First sealing structure（21）With
Second seals structure（22）It is identical, it is respectively provided with rectangle bending profile（30）, four are equipped in rectangle bending profile
Along its length and the first parallel seal bead（31）, four first seal beads（31）It bends and takes turns with the rectangle
It is wide（30）Two long sides form equal the first groove of five spacing distances（32）；In 5 first groove（32）Interior point
It She You not the one or more the first transverse sealing muscle（33）, same first groove（32）Two interior the first transverse sealing muscle（33）
Between or a first transverse sealing muscle（33）Profile is bent with the rectangle（30）Broadside between form the first gluing
Slot（34）.
3. engine cylinder head cover sealing gasket according to claim 1 or 2, it is characterized in that：The third sealing structure
（23）With the 4th sealing structure（24）It is identical, it is respectively provided with rectangular profile（40）, four edges are equipped in the rectangular profile
Length direction and the second parallel seal bead（41）, four second seal beads（41）With the rectangular profile（40）
Two long sides form equal the second groove of five spacing distances（42）；In 5 second groove（42）Inside it is respectively equipped with
One or more the second transverse sealing muscle（43）, same second groove（42）Two interior the second transverse sealing muscle（43）Between or
One the second transverse sealing muscle of person（43）Profile is bent with the rectangle（30）Broadside between form the second coating groove（44）.
4. engine cylinder head cover sealing gasket according to claim 2, it is characterized in that：Profile is bent in the rectangle
（30）Interior left part first, third, the 5th groove（32）Inside it is respectively equipped with the first transverse sealing muscle of protrusion（33）；Described
Rectangle bends profile（30）Interior right part first, third, the 5th groove（32）Inside be respectively equipped with protrusion first is laterally close
Seal muscle（33）, in the second, the 4th groove（32）Inside further respectively have the first transverse sealing muscle of protrusion（33）.
5. engine cylinder head cover sealing gasket according to claim 4, it is characterized in that：In the rectangular profile（40）It is interior
First, third, the five the second grooves（42）Inside it is respectively equipped with the second transverse sealing muscle of multiple rows of protrusion（43）, rectangular
Shape profile（40）The second, the four the second grooves（42）Inside further respectively have the second transverse sealing muscle of multiple rows of protrusion（43）；
Described first, third, the five the second grooves（42）The second interior transverse sealing muscle（43）With second, the four the second grooves
（42）Interior second transverse sealing muscle（43）Alternate setting.
6. engine cylinder head cover sealing gasket according to claim 5, it is characterized in that：The first transverse sealing muscle（33）
With the second transverse sealing muscle（43）It is higher by the sealing pad body（2）Upper surface 0.3mm.
7. engine cylinder head cover sealing gasket according to claim 1 or 2, it is characterized in that：The sealing pad body（2）It adopts
It is made of carboxylic acid type HT- acrylic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711420836.7A CN108150303B (en) | 2017-12-25 | 2017-12-25 | Sealing gasket for cylinder head cover of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711420836.7A CN108150303B (en) | 2017-12-25 | 2017-12-25 | Sealing gasket for cylinder head cover of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108150303A true CN108150303A (en) | 2018-06-12 |
| CN108150303B CN108150303B (en) | 2020-10-16 |
Family
ID=62465822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711420836.7A Active CN108150303B (en) | 2017-12-25 | 2017-12-25 | Sealing gasket for cylinder head cover of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150303B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001032940A (en) * | 1999-07-19 | 2001-02-06 | Taiho Kogyo Co Ltd | Cylinder head gasket |
| US20020163139A1 (en) * | 1997-09-09 | 2002-11-07 | Jean-Paul Poquet | Static sealing joint |
| JP2005264941A (en) * | 2004-03-17 | 2005-09-29 | Elringklinger Ag | Cylinder head gasket |
| CN201496167U (en) * | 2009-08-19 | 2010-06-02 | 青岛开世密封工业有限公司 | Seal gasket of engine cylinder head |
| CN102392754A (en) * | 2011-11-30 | 2012-03-28 | 重庆长安汽车股份有限公司 | Sealing gasket for cylinder head covers for engines |
| CN202228207U (en) * | 2011-08-22 | 2012-05-23 | 安徽中鼎密封件股份有限公司 | Sealing gasket |
| US20130307224A1 (en) * | 2012-05-18 | 2013-11-21 | Michael Davidson | Gasket with a compression limiter |
| CN203570455U (en) * | 2013-12-03 | 2014-04-30 | 东风汽车公司 | Cylinder head cover sealing strip |
| CN105089848A (en) * | 2015-09-17 | 2015-11-25 | 奇瑞汽车股份有限公司 | Engine cylinder cover gasket |
| CN206668423U (en) * | 2017-02-23 | 2017-11-24 | 宁波吉利罗佑发动机零部件有限公司 | A kind of cylinder head cover sealing gasket |
-
2017
- 2017-12-25 CN CN201711420836.7A patent/CN108150303B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020163139A1 (en) * | 1997-09-09 | 2002-11-07 | Jean-Paul Poquet | Static sealing joint |
| JP2001032940A (en) * | 1999-07-19 | 2001-02-06 | Taiho Kogyo Co Ltd | Cylinder head gasket |
| JP2005264941A (en) * | 2004-03-17 | 2005-09-29 | Elringklinger Ag | Cylinder head gasket |
| CN201496167U (en) * | 2009-08-19 | 2010-06-02 | 青岛开世密封工业有限公司 | Seal gasket of engine cylinder head |
| CN202228207U (en) * | 2011-08-22 | 2012-05-23 | 安徽中鼎密封件股份有限公司 | Sealing gasket |
| CN102392754A (en) * | 2011-11-30 | 2012-03-28 | 重庆长安汽车股份有限公司 | Sealing gasket for cylinder head covers for engines |
| US20130307224A1 (en) * | 2012-05-18 | 2013-11-21 | Michael Davidson | Gasket with a compression limiter |
| CN203570455U (en) * | 2013-12-03 | 2014-04-30 | 东风汽车公司 | Cylinder head cover sealing strip |
| CN105089848A (en) * | 2015-09-17 | 2015-11-25 | 奇瑞汽车股份有限公司 | Engine cylinder cover gasket |
| CN206668423U (en) * | 2017-02-23 | 2017-11-24 | 宁波吉利罗佑发动机零部件有限公司 | A kind of cylinder head cover sealing gasket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108150303B (en) | 2020-10-16 |
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