CN211287917U

CN211287917U - MoS with high flatness2Silk-screen printing cylinder gasket

Info

Publication number: CN211287917U
Application number: CN202020080999.6U
Authority: CN
Inventors: 薛寿云
Original assignee: Guangzhou Sanqi Cylinder Gasket Co ltd
Current assignee: Guangzhou Sanqi Cylinder Gasket Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-08-18
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a MoS of high roughness₂The screen printing cylinder gasket comprises a body, and a combustion chamber hole, a bolt hole, a lubricating oil channel hole, a cooling water channel hole and a positioning hole which are arranged in the body, wherein the body is of a four-layer metal plate stacking structure and sequentially comprises a surface plate, a secondary bottom plate and a bottom plate from top to bottom; and the upper surface of the secondary bottom layer plate is provided with a silk-screen sealing line. The utility model discloses an adopt four layers of metal sheets to make the cylinder pad body, each layer of metal sheet sets up the volume metal seal ripple and rather than corresponding MoS₂Silk-screen seal lineSimultaneously through being provided with spiral gas-tight line and the sealed ripple sub-bottom plate and being provided with sealed ripple bottom plate, face plywood and the secondary plywood and mutually supporting, not only strengthened the intensity and the compression resilience characteristic of cylinder gasket, improved the temperature toleration of cylinder gasket moreover.

Description

MoS with high flatness2Silk-screen printing cylinder gasket

Technical Field

The utility model relates to an engine accessories technical field, concretely relates to gas tightness cylinder gasket for automobile engine.

Background

The material circulation operation of engine parts requires processes of air intake, compression, high-temperature explosion, exhaust emission and the like, and the high temperature, high pressure, friction and combustion explosion generated in the processes all need pressure lubrication, cooling and exhaust emission and discharge to maintain normal operation, so the sealing technology of the engine considers various complex media such as high temperature, high pressure, high explosion rate, high power and lubricating oil, fuel oil, various gases, anti-freezing cooling water and the like. Meanwhile, the design of the engine is developed in the forward direction with light weight, small volume, large power and environment-friendly direction, so that the sealing surface is narrow and small, the pressing force of the special-shaped bolt cannot be increased, and higher requirements are provided for sealing technology and sealing materials.

Therefore, it is necessary to design and develop a cylinder gasket with high strength, good compression resilience, and strong gas, water and oil sealing capability.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a structural strength is higher, compression resilience is better, temperature toleration is good, oil seal ability is strong, the MoS of high roughness₂And (5) screen printing of the cylinder gasket.

In order to solve the technical problem, the utility model adopts the following technical scheme: MoS with high flatness₂Silk screen printing cylinder gasket is including the body to and set up combustion chamber hole, bolt hole, lubricating oil way hole, cooling water way hole and the locating hole in the body, its characterized in that: the body is of a four-layer metal plate stacking structure and sequentially comprises a surface layer plate, a secondary bottom layer plate and a bottom layer plate from top to bottom, and the four layer plates are sequentially and tightly connected and fixed; the periphery of the combustion chamber hole and the periphery of the cooling water channel hole of the bottom plate and the surface plate are both provided with sealing corrugations, the periphery of the combustion chamber hole of the secondary bottom plate is provided with spiral airtight lines and sealing corrugations, the sealing corrugations are close to the edge of the combustion chamber hole, the spiral airtight lines are located between the sealing corrugations at the edges of the two adjacent combustion chamber holes, the spiral airtight lines are of a wavy and fluctuant spiral structure, namely, the spiral airtight lines are wavy in a cross section view, and the spiral airtight lines are of a spiral structure in a top view angle or a bottom view angle. The sealing corrugation is the prior art and has been used in the cylinder gasket. On the upper and lower of the bottom layer plate, the surface layer plate and the secondary layer plateSilk-screen sealing lines are arranged on both sides, and silk-screen sealing lines are arranged on the upper surface (namely, the single side) of the secondary bottom layer plate.

Further, the length of the body is 870 +/-5 mm, the width of the body is 215 +/-5 mm, and the total thickness of the body is 1.40-1.45 mm.

Preferably, the silk-screen seal line is MoS₂The thickness of the (molybdenum disulfide) silk-screen seal line is 0.06 +/-0.01 mm, and the MoS₂The shape and the position degree of the silk-screen sealing line correspond to the corresponding sealing corrugation.

Furthermore, the four layers of metal plates of the body are made of SUS301 steel plates, and the hardness of the SUS301 steel plates is HRC 52-54.

Furthermore, in the four layers of metal plates of the body, the thicknesses of the bottom layer plate, the secondary bottom layer plate and the surface layer plate are all 0.25 +/-0.02 mm, and the thickness of the secondary surface layer plate is 0.35 +/-0.02 mm.

The total width of a sealing area corresponding to the spiral airtight line is 2.45 +/-0.01 mm, the total thickness of the sealing area is 0.40 +/-0.01 mm, namely the sealing area is an annular sealing belt which is formed by the spiral airtight line and has the width of 2.45 +/-0.01 mm and the thickness of 0.40 +/-0.01 mm.

Furthermore, an upper convex part is arranged in the middle part of the bottom plate between two adjacent combustion chamber holes, lower concave parts are respectively arranged in the middle parts of the secondary bottom plate, the surface plate and the secondary surface plate between two adjacent combustion chamber holes, the upper convex parts correspond to the positions of the lower concave parts, the lower concave parts of the secondary bottom plate and the upper convex parts of the bottom plate are tightly attached to each other, and the lower concave parts of the surface plate are tightly attached to the lower concave parts of the secondary surface plate; a transition part which inclines upwards and extends outwards is arranged between the lower concave part of the secondary bottom plate and the spiral airtight line, and the lower concave part of the secondary surface plate is pressed against the upper surface of the transition part of the secondary bottom plate, so that the spiral airtight line is avoided.

Preferably, the bottom plate, the secondary surface plate and the surface plate are riveted and fixed into an integral structure, and the combination stability is high.

The utility model discloses an adopt four layers of metal sheets to make the cylinder pad body, each layer of metal sheet sets up the volume metal seal ripple and rather than corresponding MoS₂The silk screen printing seal line is mutually supported with bottom plate, face plywood and the secondary plywood that is provided with sealed ripple through the inferior bottom plate that is provided with spiral airtight line and sealed ripple simultaneously, has not only strengthened the intensity and the compression resilience characteristic of cylinder head gasket, has improved the temperature toleration of cylinder head gasket moreover.

Drawings

Fig. 1 is a schematic plan view of the present invention;

fig. 2 is a schematic sectional view taken along line a-a in fig. 1.

In the figure, 1 is a body, 2 is a bottom plate, 21 is an upper convex part, 3 is a sub-bottom plate, 31 is a lower concave part, 32 is a spiral airtight line, 33 is a transition part, 4 is a sub-surface plate, 41 is a lower concave part, 5 is a surface plate, 51 is a lower concave part, 6 is a combustion chamber hole, 7 is a bolt hole, 8 is a cooling water channel hole, 9 is a lubricating oil channel hole, 10 is a positioning hole, 11 is MoS₂And (5) silk-screen printing of sealing lines.

Detailed Description

In the present embodiment, referring to fig. 1 and 2, the MoS with high flatness is described₂The silk-screen cylinder gasket comprises a body 1, and a combustion chamber hole 6, a bolt hole 7, a lubricating oil channel hole 9, a cooling water channel hole 8 and a positioning hole 10 which are arranged in the body 1, wherein the body 1 is of a four-layer metal plate stacking structure and sequentially comprises a surface layer plate 5, a secondary surface layer plate 4, a secondary bottom layer plate 3 and a bottom layer plate 2 from top to bottom, and the four layer plates are sequentially and tightly connected and fixed; sealing corrugations (namely wave-shaped structures) are arranged on the peripheries of the combustion chamber holes 6 (the combustion chamber holes penetrate through the laminates) of the bottom laminate 2 and the surface laminate 5 and the cooling water channel holes 8, the peripheries of the combustion chamber holes 6 of the secondary surface laminate 4 are provided with the sealing corrugations, and the peripheries of the combustion chamber holes 6 of the secondary bottom laminate 3 are provided with spiral airtight lines 32 and the sealing corrugations, wherein the sealing corrugations are close to the edges of the combustion chamber holes 6, the spiral airtight lines 32 are positioned between the sealing corrugations on the edges of the two adjacent combustion chamber holes 6, the spiral airtight lines 32 are in a wave-shaped and fluctuant spiral structure, namely, the spiral airtight lines are wave-shaped in cross section, and the spiral airtight lines are in a spiral structure in overlooking or overlooking angles. The upper and lower surfaces of the bottom layer plate 2, the surface layer plate 5 and the secondary surface layer plate 4 are all provided with silk-screen sealing lines, and the upper surface (single surface) of the secondary bottom layer plate 3 is provided with the silk-screen sealing lines.

The length of the body 1 is 870 +/-5 mm, the width is 215 +/-5 mm, and the total thickness is 1.40-1.45 mm.

The silk-screen seal line is MoS₂The silk-screen seal line 11 has the thickness of 0.06 +/-0.01 mm and MoS₂The shape and the position degree of the silk-screen sealing line 11 correspond to the corresponding sealing corrugation.

The four layers of metal plates of the body 1 are made of SUS301 steel plates, and the hardness of the SUS301 steel plates is HRC 52-54.

In the four layers of metal plates of the body 1, the thicknesses of the bottom plate 2, the secondary bottom plate 3 and the surface plate 5 are all 0.25 +/-0.02 mm, and the thickness of the secondary surface plate 4 is 0.35 +/-0.02 mm.

The total width of the sealing area corresponding to the spiral airtight line 32 is 2.45 +/-0.01 mm, and the total thickness of the sealing area is 0.40 +/-0.01 mm, namely the sealing area is an annular sealing belt with the width of 2.45 +/-0.01 mm and the thickness of 0.40 +/-0.01 mm, which is formed by the spiral airtight line 32.

The middle part of the bottom plate 2 between two adjacent combustion chamber holes 6 is provided with an upper convex part 21, the middle parts of the sub-bottom plate 3, the surface plate 5 and the sub-surface plate 4 between two adjacent combustion chamber holes 6 are respectively provided with lower

concave parts

31, 51 and 41, the upper convex part 21 corresponds to the positions of the lower

concave parts

31, 41 and 51, the lower concave part 31 of the sub-bottom plate 3 is clung to the upper convex part 21 of the bottom plate 2, and the lower concave part 51 of the surface plate 5 is clung to the lower concave part 41 of the sub-surface plate 4; a transition part 33 which obliquely extends upwards and outwards is arranged between the lower concave part 31 of the secondary bottom plate 3 and the spiral airtight line 32, and the lower concave part 41 of the secondary surface plate 4 is pressed against the upper surface of the transition part 33 of the secondary bottom plate 3, so that the spiral airtight line 32 is avoided, and the good compression rebound effect of the cylinder gasket can be realized through the spiral airtight line 32.

The bottom layer plate 2, the secondary bottom layer plate 3, the secondary surface layer plate 4 and the surface layer plate 5 are riveted and fixed into an integral structure, and the combination stability is high.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. MoS with high flatness₂Silk screen printing cylinder gasket is including the body to and set up combustion chamber hole, bolt hole, lubricating oil way hole, cooling water way hole and the locating hole in the body, its characterized in that: the body is of a four-layer metal plate stacking structure and sequentially comprises a surface layer plate, a secondary bottom layer plate and a bottom layer plate from top to bottom, and the four layer plates are sequentially and tightly connected and fixed; sealing corrugations are arranged on the peripheries of the combustion chamber holes and the cooling water channel holes of the bottom plate and the surface plate, the periphery of the combustion chamber hole of the secondary bottom plate is provided with the sealing corrugations, the periphery of the combustion chamber hole of the secondary bottom plate is provided with a spiral airtight line and the sealing corrugations, the sealing corrugations are close to the edge of the combustion chamber hole, the spiral airtight line is positioned between the sealing corrugations on the edges of the two adjacent combustion chamber holes, and the spiral airtight line is in a wavy and fluctuant spiral structure; and the upper surface of the secondary bottom layer plate is provided with a silk-screen sealing line.

2. High flatness MoS according to claim 1₂Silk screen printing cylinder gasket, its characterized in that: the length of the body is 870 +/-5 mm, the width of the body is 215 +/-5 mm, and the total thickness of the body is 1.40-1.45 mm.

3. High flatness MoS according to claim 1₂Silk screen printing cylinder gasket, its characterized in that: the silk-screen seal line is MoS₂The thickness of the silk-screen seal line is 0.06 +/-0.01 mm, and the silk-screen seal line is MoS₂The shape and the position degree of the silk-screen sealing line correspond to the corresponding sealing corrugation.

4. High flatness MoS according to claim 1₂Silk screen printing cylinder gasket, its characterized in that: the four layers of metal plates of the body are made of SUS301 steel plates.

5. High flatness MoS according to claim 1₂Screen printing cylinder gasket, its special featureCharacterized in that: in the four layers of metal plates of the body, the thicknesses of the bottom layer plate, the secondary bottom layer plate and the surface layer plate are all 0.25 +/-0.02 mm, and the thickness of the secondary surface layer plate is 0.35 +/-0.02 mm.

6. High flatness MoS according to claim 1₂Silk screen printing cylinder gasket, its characterized in that: the total width of a sealing area corresponding to the spiral airtight line is 2.45 +/-0.01 mm, the total thickness of the sealing area is 0.40 +/-0.01 mm, namely the sealing area is an annular sealing belt which is formed by the spiral airtight line and has the width of 2.45 +/-0.01 mm and the thickness of 0.40 +/-0.01 mm.

7. High flatness MoS according to claim 1₂Silk screen printing cylinder gasket, its characterized in that: the middle part of the bottom plate, which is positioned between two adjacent combustion chamber holes, is provided with an upper convex part, the middle parts of the secondary bottom plate, the surface plate and the secondary surface plate, which are positioned between two adjacent combustion chamber holes, are respectively provided with a lower concave part, the upper convex parts correspond to the positions of the lower concave parts, the lower concave parts of the secondary bottom plate and the upper convex parts of the bottom plate are mutually attached, and the lower concave parts of the surface plate are attached to the lower concave parts of the secondary surface plate; and a transition part which is obliquely upwards and outwards extends is arranged between the lower concave part of the secondary bottom plate and the spiral airtight line, and the lower concave part of the secondary surface plate is pressed against the upper surface of the transition part of the secondary bottom plate.

8. High flatness MoS according to claim 1₂Silk screen printing cylinder gasket, its characterized in that: the bottom layer plate, the secondary surface layer plate and the surface layer plate are riveted and fixed into an integral structure.