CN105089848B - A kind of engine cylinder cap pad - Google Patents
A kind of engine cylinder cap pad Download PDFInfo
- Publication number
- CN105089848B CN105089848B CN201510593709.1A CN201510593709A CN105089848B CN 105089848 B CN105089848 B CN 105089848B CN 201510593709 A CN201510593709 A CN 201510593709A CN 105089848 B CN105089848 B CN 105089848B
- Authority
- CN
- China
- Prior art keywords
- cylinder head
- head gasket
- ontology
- gasket
- timing chain
- 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.)
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Links
- 210000003205 muscle Anatomy 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000003292 glue Substances 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 239000000565 sealant Substances 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 4
- 239000002826 coolant Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010721 machine oil Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of engine cylinder cap pads, including cylinder head gasket ontology, timing chain roller box gasket seal are integrated on the cylinder head gasket ontology, the cylinder head gasket ontology is equipped with to store the storage glue groove that fluid sealant forms sealing area.The cylinder head gasket ontology is equipped with inside and outside two circle sealed muscles, and storage glue groove is formed by inside and outside two circle sealed muscles.Under bolt pretightening and sealed muscle and fluid sealant collective effect, the sealing of cylinder block and head and timing chain case cover faying face can be effectively ensured, improve the sealing effect of gasket, and gasket construction is simple, it is at low cost convenient for making.
Description
Technical field
The present invention relates to engine technical field of sealing technology, more particularly, to a kind of engine cylinder cap pad.
Background technology
Engine cylinder cap pad is played between engine cylinder cap and cylinder block in each cylinder of canned motor
The effect of the machine oil in coolant and oil duct in gas, water jacket, at the same cylinder head gasket to the flow velocity of coolant and machine oil and
Pressure also generates certain influence, by adjusting the coolant bore dia of cylinder head gasket size can change it is cold in cylinder cover water jacket
But the flow and flow rate of liquid, change coolant flow direction.Working environment residing for cylinder head gasket is poor, especially in cylinder-bore
Around, cylinder head gasket is also cooled washing away for liquid in addition to the effect by high temperature and high pressure gas near each water hole of water jacket
And erosion, working environment very severe.So the quality of cylinder head gasket, directly influence engine service life and
The cost of after-sales service.
Engine timing train is that the power that bent axle transmits is transmitted to camshaft by timing tooth-like belt either chain
On, it is opened and closed on time with reaching driving valve mechanism, enables the purpose of engine continuous work.Timing system transmission side
Formula generally has three kinds of belt transmission, chain drive and gear drive.And chain drive is because of its good reliability, size is smaller, uses
The engine of chain drive is compact, is suitble to run at high speed, so more and more engines use chain drive.But two chains
Guide rail is needed according to spacing between wheel, it is also necessary to oil is provided for chain tensioning device in order to provide oil pressure tension, so chaindriven
Engine has sealing requirements for timing chain roller box.
Cylinder head employs integrated timing sprocket box structure；There is no using same integrated in order to reduce weight for cylinder block
Timing sprocket box structure, but use the structure of assembling timing chain case cover.Because block material be cast iron or gravity cast aluminium,
And timing chain case cover uses die casting aluminium, the structure of the timing chain case cover of die casting aluminium integrates timing sprocket with respect to cylinder block
Box structure weight is much smaller；But because cylinder block and timing chain case cover are two individual parts, when assembling, can be at two
Step is formed on the sealing surface of parts handing-over, generates difference in height, therefore this structure is to timing chain roller box and cylinder body and cylinder cap
Between sealing propose higher requirement, existing cylinder-top gasket chip architecture to matched part planarity requirements it is higher,
It is difficult to the seal request for meeting two component assemblies and forming step.
Invention content
The technical problems to be solved by the invention are to provide a kind of engine cylinder cap pad, and the close of gasket is improved to reach
Seal the purpose of effect.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of engine cylinder cap pad including cylinder head gasket ontology, is integrated with just on the cylinder head gasket ontology
When chain-wheel box gasket seal, the cylinder head gasket ontology be equipped with for store fluid sealant formed sealing area storage glue groove.
Further, the cylinder head gasket ontology is equipped with inside and outside two circle sealed muscles, and storage glue groove is close by inside and outside two circles
Envelope muscle is formed.
Described cylinder head gasket ontology one end corresponds to timing chain case cover equipped with ring packing structure, ring packing structure
Form timing chain roller box gasket seal.
The fluid sealant is the silica gel of sealing.
The ring packing structure is structure as a whole with cylinder head gasket ontology.
Mounting hole is equipped on the cylinder head gasket ontology and timing chain roller box gasket seal.
The timing chain roller box gasket seal is equipped with storage glue groove.
Sealed muscle on the cylinder head gasket ontology is by stamping forming structure.
Compared with prior art, the present invention it has the following advantages：
By the storage glue groove formed between the sealed muscle and sealed muscle in cylinder head, storage glue groove is equipped with fluid sealant, in spiral shell
Under bolt pretightning force and sealed muscle and fluid sealant collective effect, cylinder block and head and timing chain case cover knot can be effectively ensured
The sealing in conjunction face improves the sealing effect of gasket, and gasket construction is simple, at low cost convenient for making.
Description of the drawings
The content to this specification expressed by each width attached drawing and the label in figure are briefly described below：
Fig. 1 is gasket construction schematic diagram of the present invention.
Fig. 2 is the cross-sectional schematic diagram of patch applications of the present invention.
Fig. 3 is patch applications elevational schematic of the present invention.
In figure：1. cylinder head gasket ontology, 2. gasket interior sealing muscle, 3. gasket external seal muscle, 4. storage glue grooves, 5. are fixed
Hole, 6. cylinder head, 7. cylinder block, 8. sealed silicones, 9. timing chain case covers, 10. steps.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to the specific embodiment of the present invention further details of
Explanation.
As shown in Figure 1 to Figure 3, engine cylinder cap pad, including cylinder head gasket ontology 1, cylinder head gasket ontology
It being equipped with for storing the storage glue groove 4 that fluid sealant forms sealing area, cylinder head gasket ontology is equipped with inside and outside two circle sealed muscles,
That is gasket interior sealing muscle 2 and gasket external seal muscle 3, storage glue groove are formed by gasket interior sealing muscle and gasket external seal muscle.
1 one end of cylinder head gasket ontology corresponds to timing chain case cover equipped with ring packing structure, ring packing structure shape
Into timing chain roller box gasket seal, timing chain roller box gasket seal is equipped with annular storage glue groove, forms the cylinder-top gasket of integral type
Piece, timing chain roller box gasket seal are structure as a whole with cylinder head gasket ontology.
Cylinder head gasket front end increases ring seal structure, is integrated with timing chain roller box gasket seal.Timing sprocket etc.
Parts are assemblied in loop configuration, and timing sprocket top half is in the chain-wheel box that cylinder cap integrates, and lower half portion is in gas
In the chain-wheel box formed after cylinder body and timing sprocket shroud assembling.As previous cylinder head gasket, the main body of cylinder head gasket
Water hole, oilhole, bolt hole and sealed muscle etc. are arranged in structure, while in the increased ring seal structure in cylinder head gasket front end
Face also arranges sealed muscle.So the cylinder head gasket of the present invention is in addition to the gas between meeting general cylinder block and head
Body, coolant and machine oil sealing are outer, and the chain-wheel box formed to cylinder block and timing chain case cover and cylinder head also can be close simultaneously
Envelope.
Sealed muscle is structure as a whole with cylinder head gasket ontology, and the sealed muscle on cylinder head gasket ontology is by striking out
The structure of type.It is equipped with mounting hole 5 on timing chain roller box gasket seal and cylinder head gasket ontology, when cooperation is tight by bolt
Gu.Annular storage glue groove is formed by two circles sealed muscle inside and outside on timing chain roller box gasket seal, and the fluid sealant in storage glue groove 3 is close
Seal silica gel 8.
The storage glue groove of cylinder head gasket sealing is the shallow grooves formed by inside and outside two sealed muscles, the structure of sealed muscle be with
Half identical ripple type structure of the sealed muscle of sealing low pressure oil pocket, using sheet metal forming technology shaping.Sealed silicone meeting after gluing assembling
Solidification filling forms rubber like gasket construction and ensures this regional seal in this groove.
6 front end of cylinder head is set there are two M8 timing chain case cover bolts, for cylinder head 6 and timing chain case cover
It is fixed, cylinder head gasket timing chain roller box hood section sealed muscle is made to reach seal pressure, ensures the sealing of timing chain roller box.
Timing chain case cover 9 is assembled in cylinder block 7 first, tightens timing chain case cover fixing bolt.Just
When chain-wheel box the cover and cylinder block faying face step 10 at apply silica gel, then by cylinder head gasket be mounted in cylinder block and timing chain
Faying face on case cover assembles cylinder head, finally assembles cylinder head bolt and timing chain case cover and cylinder head is fixed
Bolt, as required torque tighten.Under fluid sealant collective effect in bolt pretightening and sealed muscle and storage glue groove, can effectively it protect
The sealing of cylinder block and head and timing chain case cover faying face is demonstrate,proved, improves the sealing effect of gasket.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that present invention specific implementation is not by aforesaid way
Limitation, as long as employ the present invention design and technical solution carry out various unsubstantialities improvement or it is not improved will
The design and technical solution of the present invention directly applies to other occasions, within protection scope of the present invention.
Claims (4)
1. including cylinder head gasket ontology, timing is integrated on the cylinder head gasket ontology for a kind of engine cylinder cap pad
Chain-wheel box gasket seal, it is characterised in that：The cylinder head gasket ontology is equipped with forms sealing area for storing fluid sealant
Storage glue groove；The cylinder head gasket ontology is equipped with inside and outside two circle sealed muscles, and storage glue groove is formed by inside and outside two circle sealed muscles；
Described cylinder head gasket ontology one end corresponds to timing chain case cover equipped with ring packing structure, and ring packing structure is formed
Timing chain roller box gasket seal；
The timing chain roller box gasket seal is equipped with storage glue groove；Sealed muscle on the cylinder head gasket ontology is to pass through punching press
Molding structure；
Sealed muscle structure is half ripple type structure.
2. engine cylinder cap pad as described in claim 1, it is characterised in that：The fluid sealant is the silica gel of sealing.
3. engine cylinder cap pad as described in claim 1, it is characterised in that：The ring packing structure and cylinder head gasket
Ontology is structure as a whole.
4. engine cylinder cap pad as described in claim 1, it is characterised in that：The cylinder head gasket ontology and timing sprocket
Mounting hole is equipped on case gasket seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510593709.1A CN105089848B (en) | 2015-09-17 | 2015-09-17 | A kind of engine cylinder cap pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510593709.1A CN105089848B (en) | 2015-09-17 | 2015-09-17 | A kind of engine cylinder cap pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105089848A CN105089848A (en) | 2015-11-25 |
| CN105089848B true CN105089848B (en) | 2018-06-29 |
Family
ID=54571026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510593709.1A Active CN105089848B (en) | 2015-09-17 | 2015-09-17 | A kind of engine cylinder cap pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105089848B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150692A (en) * | 2016-08-31 | 2016-11-23 | 芜湖三联锻造有限公司 | A kind of chain wheel cover sealing device |
| CN108150303B (en) * | 2017-12-25 | 2020-10-16 | 重庆长安汽车股份有限公司 | Sealing gasket for cylinder head cover of engine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1136731B1 (en) * | 2000-03-23 | 2006-07-05 | Nichias Corporation | Metal gasket |
| US20050269788A1 (en) * | 2004-06-02 | 2005-12-08 | Grunfeld Aron A | Gasket assembly and method |
| CN101440723A (en) * | 2008-12-22 | 2009-05-27 | 奇瑞汽车股份有限公司 | Seal structure and seal method of engine camshaft cover |
| CN104420930A (en) * | 2013-08-23 | 2015-03-18 | 沈阳航天三菱汽车发动机制造有限公司 | Oil sump of automobile engine |
-
2015
- 2015-09-17 CN CN201510593709.1A patent/CN105089848B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105089848A (en) | 2015-11-25 |
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