CN208122976U - A kind of heat insulation type head gasket - Google Patents
A kind of heat insulation type head gasket Download PDFInfo
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- CN208122976U CN208122976U CN201820568362.4U CN201820568362U CN208122976U CN 208122976 U CN208122976 U CN 208122976U CN 201820568362 U CN201820568362 U CN 201820568362U CN 208122976 U CN208122976 U CN 208122976U
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- plate
- hole
- heat insulation
- combustion chamber
- head gasket
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Abstract
The utility model discloses a kind of heat insulation type head gaskets, including ontology, combustion chamber hole, location hole, bolt hole, oil leab hole, cooling passage hole and tappet bore are equipped in ontology, ontology includes six layers of metal plate, the edge in oil leab hole is provided with lubrication channel hole sealing ring, the edge in cooling passage hole is provided with cooling passage hole sealing ring, and the edge of tappet bore is provided with tappet bore sealing ring, has a heat insulation loop in the came of combustion chamber hole guard ring.The ontology of the utility model is constituted using stacked conducting plate, enhance the intensity of head gasket, ontology is provided with combustion chamber hole sealing ripple simultaneously, and oil leab hole, cooling passage hole and tappet bore are provided with auxiliary seal ripple, improve the intensity and leakproofness of head gasket.Setting heat insulation loop greatly improves the heat-proof quality of head gasket in the guard ring of combustion chamber.Rubber seal at oil leab hole, cooling passage hole and tappet bore meets the seal request at lubricating oil, coolant liquid and tappet bore.
Description
Technical field
The utility model relates to engine fittings technical fields, and in particular to a kind of heat insulation type cylinder for engine
Pad.
Background technique
Head gasket is very important sealing element in internal combustion engine, and effect is under the action of cylinder bolt pretightning force, in fact
The reliable sealing of existing combustion chamber, oil leab and cooling passage.During the work time, head gasket is in addition to bearing cylinder for engine
Except the pretightning force of bonnet bolt, also by gas in-cylinder combustion gas high temperature, the effect of high pressure and the pressure of lubricating oil and coolant liquid
Power and corrosiveness.And phenomena such as generally existing intensity of traditional head gasket is low, poor sealing, poor thermal insulation.Thus research and develop
A kind of intensity is big, and leakproofness is strong, and well-insulated head gasket is very necessary.
Utility model content
That the technical problem to be solved by the present invention is to provide a kind of intensity is higher, leakproofness is stronger, heat-insulated better gas
Cylinder heat.
In order to solve the above technical problems, the utility model adopts the following technical solution：A kind of heat insulation type head gasket, including this
Body is equipped with combustion chamber hole, location hole, bolt hole, oil leab hole, cooling passage hole and tappet bore, feature in ontology and exists
In：The ontology includes six layers of metal plate, is followed successively by a plate, b plate, c plate, d plate, e plate and f plate from bottom to top, six layers of metal
Plate is bonded by the connection of several pads；The edge in oil leab hole is provided with lubrication channel hole sealing ring, in cooling
The edge of liquid access opening is provided with cooling passage hole sealing ring, and the edge of tappet bore is provided with tappet bore sealing ring；The a
Plate is bent to top from bottom and forms combustion chamber hole guard ring, and b plate, c plate, d plate, e plate and f plate are located at burning by combustion chamber hole guard ring
In the position of room bore edges is all coated on；The b plate and e plate are provided with combustion chamber hole sealing ripple, the combustion chamber hole of the two
D plate is clipped in the middle by sealing ripple, and the f plate is provided with auxiliary seal ripple, and auxiliary seal ripple is close to combustion chamber hole guard ring
End；It is equipped in the b plate, c plate, d plate and e plate and is respectively used to oil leab hole sealing ring, cooling passage hole sealing ring
The installation emptiness avoiding hole passed through with tappet bore sealing ring, c plate are additionally provided with the emptiness avoiding hole passed through for combustion chamber hole guard ring；In combustion chamber
The came of hole guard ring has a heat insulation loop；Oil leab hole sealing ring, cooling passage hole sealing ring and tappet bore are close
Seal is made of metallic framework and vulcanized rubber.
Further, heat insulation loop is made of cold-rolled steel sheet, and surface has electrogalvanizing；Heat insulation loop with a thickness of 1.80 ±
0.05mm, generally cirque structure, the outer diameter of heat insulation loop are interference fitted with the internal diameter of head gasket combustion chamber hole；And it is heat-insulated
The outer diameter of engine piston corresponding to the internal diameter and head gasket of ring matches.
Further, the lateral surface of the heat insulation loop is machined with a mounting groove, the section of the mounting groove be it is arc-shaped,
Cooperate with the side of combustion chamber hole guard ring and fix, and arc radius is 0.7-0.8mm, the chord length of circular arc is 1.2 ± 0.02mm, string
A height of 0.30 ± 0.02mm.
Preferably, the length of entire ontology is 255 ± 5mm, and width is 160 ± 5mm, and overall thickness is 1.85 ± 0.05mm.
Further, a plate and f plate are made of stainless steel SUS304, and b plate, c plate, d plate and e plate are using tin plating
Cold-rolled steel sheet be made, and a plate with a thickness of 0.40 ± 0.02mm, b plate with a thickness of 0.40 ± 0.02mm, c plate with a thickness of
0.25 ± 0.02mm, d plate with a thickness of 0.20 ± 0.02mm, e plate with a thickness of 0.40 ± 0.02mm, f plate with a thickness of 0.20
±0.02mm。
Further, the height of combustion chamber hole sealing ripple and the height of auxiliary seal ripple be 0.30 ±
0.01mm。
Further, the metallic framework is made of cold-rolled steel sheet, and thickness is 0.50 ± 0.02mm；And vulcanize rubber
Glue is made of silicon rubber, and overall thickness is 2.90 ± 0.03mm；In one end insertion vulcanized rubber of metallic framework, other end insertion
In ontology.
The ontology of the utility model is constituted using stacked conducting plate, enhances the intensity of head gasket, while ontology is provided with
Combustion chamber hole seals the auxiliary seal ripple in ripple and oil leab hole, cooling passage hole and tappet bore, both improves gas
The intensity of cylinder pad increases leakproofness again.The heat insulation loop being arranged in the guard ring of combustion chamber greatly improves the thermal insulation of head gasket
Energy.In addition, the rubber seal at oil leab hole, cooling passage hole and tappet bore meets lubricating oil, coolant liquid and endures
Seal request at rod aperture.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the A-A schematic cross-sectional view of Fig. 1；
Fig. 3 is the B-B schematic cross-sectional view of Fig. 1.
In figure, 1 is ontology, and 2 be heat insulation loop, and 3 be oil leab hole sealing ring, and 4 be cooling passage hole sealing ring, and 5 are
Tappet bore sealing ring, 6 be pad, and 7 be combustion chamber hole, and 8 be location hole, and 9 be bolt hole, and 10 be combustion chamber hole guard ring, and 11 are
Combustion chamber hole seals ripple, and 12 be auxiliary seal ripple, and 13 be metallic framework, and 14 be vulcanized rubber, and 15 be mounting groove.
Specific embodiment
In the present embodiment, referring to FIG. 1, FIG. 2 and FIG. 3, the heat insulation type head gasket, including ontology 1 is equipped with combustion in ontology 1
Burning room hole 7, location hole 8, bolt hole 9, oil leab hole, cooling passage hole and tappet bore, the ontology 1 includes six layers of gold
Belong to plate, be followed successively by a plate, b plate, c plate, d plate, e plate and f plate from bottom to top, which passes through several pads 6 connection knot
Together in together；The edge in oil leab hole is provided with lubrication channel hole sealing ring 3, is provided at the edge in cooling passage hole cold
But liquid access opening sealing ring 4 is provided with tappet bore sealing ring 5 at the edge of tappet bore；The a plate is bent to top shape from bottom
At combustion chamber hole guard ring 10, b plate, c plate, d plate, e plate and f plate are located at the position at 7 edge of combustion chamber hole by combustion chamber hole guard ring 10
In being all coated on；The b plate and e plate are provided with combustion chamber hole sealing ripple 11, and the combustion chamber hole of the two seals ripple 11 for d
Plate is clipped in the middle, and the f plate is provided with auxiliary seal ripple 12, and auxiliary seal ripple 12 is close to the end of combustion chamber hole guard ring 10
End；It is equipped in the b plate, c plate, d plate and e plate and is respectively used to oil leab hole sealing ring 3,4 and of cooling passage hole sealing ring
The installation emptiness avoiding hole that tappet bore sealing ring 5 passes through, c plate are additionally provided with the emptiness avoiding hole passed through for combustion chamber hole guard ring 10；It is burning
The came of room hole guard ring 10 has a heat insulation loop 2；Oil leab hole sealing ring 3, cooling passage hole sealing ring 4 and very
Rod aperture sealing ring 5 is made of metallic framework 13 and vulcanized rubber 14.
Heat insulation loop 2 is made of cold-rolled steel sheet, and surface has electrogalvanizing；Heat insulation loop 2 with a thickness of 1.80 ± 0.05mm,
Generally cirque structure, the outer diameter of heat insulation loop 2 are interference fitted with the internal diameter of head gasket combustion chamber hole 7 for it；And heat insulation loop 2
The outer diameter of internal diameter and engine piston corresponding to head gasket matches.
The lateral surface of the heat insulation loop 2 is machined with a mounting groove 15, the section of the mounting groove 15 be it is arc-shaped, with burning
The side of room hole guard ring 10, which cooperates, to be fixed, and arc radius is 0.7-0.8mm, and the chord length of circular arc is 1.2 ± 0.02mm, and action is
0.30±0.02mm。
The length of entire ontology 1 is 255 ± 5mm, and width is 160 ± 5mm, and overall thickness is 1.85 ± 0.05mm.
The a plate and f plate are made of stainless steel SUS304, and b plate, c plate, d plate and e plate use tin plating cold-rolled steel sheet
Be made, and a plate with a thickness of 0.40 ± 0.02mm, b plate with a thickness of 0.40 ± 0.02mm, c plate with a thickness of 0.25 ±
0.02mm, d plate with a thickness of 0.20 ± 0.02mm, e plate with a thickness of 0.40 ± 0.02mm, f plate with a thickness of 0.20 ±
0.02mm。
It is 0.30 ± 0.01mm that combustion chamber hole, which seals the height of ripple 11 and the height of auxiliary seal ripple 12,.
The metallic framework 13 is made of cold-rolled steel sheet, and thickness is 0.50 ± 0.02mm；And vulcanized rubber 14 is adopted
It is made of silicon rubber, overall thickness is 2.90 ± 0.03mm；In one end insertion vulcanized rubber 14 of metallic framework 13, other end insertion
In ontology 1.
The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and
, when the utility model practical range cannot be limited, i.e., all according to the made equivalent changes and modifications of the application range, it should still belong to this
In utility model covering scope.
Claims (7)
- Be equipped with 1. a kind of heat insulation type head gasket, including ontology, in ontology combustion chamber hole, location hole, bolt hole, oil leab hole, Cooling passage hole and tappet bore, it is characterised in that：The ontology includes six layers of metal plate, is followed successively by a plate, b from bottom to top Plate, c plate, d plate, e plate and f plate, six layers of metal plate are bonded by the connection of several pads；On the side in oil leab hole Edge is provided with lubrication channel hole sealing ring, the edge in cooling passage hole is provided with cooling passage hole sealing ring, in tappet bore Edge be provided with tappet bore sealing ring；The a plate is bent to top from bottom and forms combustion chamber hole guard ring, combustion chamber hole guard ring The position that b plate, c plate, d plate, e plate and f plate are located at combustion chamber hole edge is all coated on interior；The b plate and e plate are provided with combustion It burning room hole and seals ripple, d plate is clipped in the middle by the combustion chamber hole sealing ripple of the two, and the f plate is provided with auxiliary seal ripple, Auxiliary seal ripple is close to the end of combustion chamber hole guard ring；It is equipped in the b plate, c plate, d plate and e plate and is respectively used to oil leab The installation emptiness avoiding hole that hole sealing ring, cooling passage hole sealing ring and tappet bore sealing ring pass through, c plate are additionally provided with for combustion chamber The emptiness avoiding hole that hole guard ring passes through；There is a heat insulation loop in the came of combustion chamber hole guard ring；It is oil leab hole sealing ring, cold But liquid access opening sealing ring and tappet bore sealing ring are made of metallic framework and vulcanized rubber.
- 2. heat insulation type head gasket according to claim 1, it is characterised in that：The heat insulation loop is made of cold-rolled steel sheet, And surface has electrogalvanizing；Heat insulation loop with a thickness of 1.80 ± 0.05mm, generally cirque structure, the outer diameter of heat insulation loop with The internal diameter of head gasket combustion chamber hole is interference fitted；And the outer diameter phase of the internal diameter of heat insulation loop and engine piston corresponding to head gasket Matching.
- 3. heat insulation type head gasket according to claim 2, it is characterised in that：The lateral surface of the heat insulation loop is machined with one Mounting groove, the section of the mounting groove is arc-shaped, with combustion chamber hole guard ring side cooperation fixation, and arc radius is 0.7- 0.8mm, the chord length of circular arc are 1.2 ± 0.02mm, and action is 0.30 ± 0.02mm.
- 4. heat insulation type head gasket according to claim 1, it is characterised in that：The length of entire ontology is 255 ± 5mm, wide Degree is 160 ± 5mm, and overall thickness is 1.85 ± 0.05mm.
- 5. heat insulation type head gasket according to claim 1, it is characterised in that：The a plate and f plate use stainless steel SUS304 Be made, and b plate, c plate, d plate and e plate are made of tin plating cold-rolled steel sheet, and a plate with a thickness of 0.40 ± 0.02mm, b plate With a thickness of 0.40 ± 0.02mm, c plate with a thickness of 0.25 ± 0.02mm, d plate with a thickness of 0.20 ± 0.02mm, the thickness of e plate For 0.40 ± 0.02mm, f plate with a thickness of 0.20 ± 0.02mm.
- 6. heat insulation type head gasket according to claim 5, it is characterised in that：The height of combustion chamber hole sealing ripple and The height of auxiliary seal ripple is 0.30 ± 0.01mm.
- 7. heat insulation type head gasket according to claim 6, it is characterised in that：The metallic framework uses cold-rolled steel sheet system At thickness is 0.50 ± 0.02mm；And vulcanized rubber is made of silicon rubber, overall thickness is 2.90 ± 0.03mm；Metal In one end insertion vulcanized rubber of skeleton, the other end is embedded in ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820568362.4U CN208122976U (en) | 2018-04-19 | 2018-04-19 | A kind of heat insulation type head gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820568362.4U CN208122976U (en) | 2018-04-19 | 2018-04-19 | A kind of heat insulation type head gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208122976U true CN208122976U (en) | 2018-11-20 |
Family
ID=64190921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820568362.4U Active CN208122976U (en) | 2018-04-19 | 2018-04-19 | A kind of heat insulation type head gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208122976U (en) |
-
2018
- 2018-04-19 CN CN201820568362.4U patent/CN208122976U/en active Active
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