CN214533280U - Cylinder sleeve gasket and engine - Google Patents

Cylinder sleeve gasket and engine Download PDF

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Publication number
CN214533280U
CN214533280U CN202120016318.4U CN202120016318U CN214533280U CN 214533280 U CN214533280 U CN 214533280U CN 202120016318 U CN202120016318 U CN 202120016318U CN 214533280 U CN214533280 U CN 214533280U
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China
Prior art keywords
cylinder
mounting hole
gasket
cylinder mounting
liner
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Active
Application number
CN202120016318.4U
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Chinese (zh)
Inventor
朱海燕
吉学之
云峰
王有治
董晓婷
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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Priority to CN202120016318.4U priority Critical patent/CN214533280U/en
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Publication of CN214533280U publication Critical patent/CN214533280U/en
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Abstract

The utility model relates to the technical field of engines, and discloses a cylinder sleeve gasket and an engine, wherein the cylinder sleeve gasket comprises a body and at least three positioning mechanisms; the body is annular and is arranged on a support shoulder of the cylinder mounting hole; positioning mechanism and this body coupling, and around body circumference evenly distributed, positioning mechanism and the forked tail structure side butt of cylinder mounting hole. The arrangement can ensure the sealing between the cylinder mounting hole and the cylinder sleeve and also ensure the stability of the cylinder sleeve gasket; the cylinder liner gasket has the advantages that the circumferential stress of the cylinder liner gasket is uniform when the engine works, the phenomenon that the cylinder liner gasket deforms due to uneven stress is avoided, the cylinder liner is effectively prevented from sliding, and meanwhile, the integrity of the sealing property between the cylinder mounting hole and the cylinder liner is guaranteed. Therefore, the cylinder sleeve gasket can ensure the sealing performance between the cylinder mounting hole and the cylinder sleeve, and can reduce the abrasion of the cylinder sleeve and the cylinder mounting hole, thereby reducing the maintenance and replacement times of the cylinder sleeve and the machine body and reducing the cost.

Description

Cylinder sleeve gasket and engine
Technical Field
The utility model belongs to the technical field of the technique of engine and specifically relates to a cylinder liner packing ring and engine are related to.
Background
In the prior art, a cylinder mounting hole of an engine and a cylinder sleeve are sealed in a direct contact mode, namely, the cylinder mounting hole and a support shoulder of the cylinder sleeve are sealed, the cylinder sleeve is compressed by a bolt axial force of a cylinder cover, and the cylinder mounting hole and the cylinder sleeve are pressed by a large surface so as to seal water.
However, due to the explosion pressure generated in the cylinder, the attenuation generated by the axial force of the bolt and other reasons, the surface pressure of the cylinder mounting hole and the cylinder sleeve supporting shoulder can generate periodic fluctuation; in addition, due to the heat effect in the cylinder, the expansion amount of the cylinder sleeve and the expansion amount of the cylinder mounting hole are inconsistent, and the cylinder sleeve can slide, so that the cylinder sleeve and even the cylinder mounting hole are abraded, the sealing failure between the cylinder mounting hole and the cylinder sleeve is caused, and the risk of water leakage exists.
Therefore, in the prior art, the water leakage phenomenon is avoided by frequently replacing the cylinder sleeve; however, if the degree of wear of the cylinder mounting hole is large, the machine body needs to be replaced or maintained, which is very costly.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cylinder liner packing ring and engine, above-mentioned cylinder liner packing ring can also effectively reduce the wearing and tearing of cylinder jacket and cylinder mounting hole on can effectively ensuring the basis of leakproofness between cylinder mounting hole and the cylinder jacket to the maintenance of the cylinder jacket that has significantly reduced and organism and the number of times of change, the cost is reduced by a wide margin.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a cylinder sleeve gasket is arranged between a cylinder mounting hole and a cylinder sleeve of an engine and comprises a body and at least three positioning mechanisms; the body is annular and is arranged on a support shoulder of the cylinder mounting hole; positioning mechanism and this body coupling, and around the circumference evenly distributed of body, positioning mechanism and the side butt of the forked tail structure of cylinder mounting hole.
The utility model provides a cylinder liner gasket, because cylinder liner gasket sets up between the cylinder mounting hole of engine and cylinder jacket, and the side butt of the forked tail structure of positioning mechanism and cylinder mounting hole can be when guaranteeing to seal between cylinder mounting hole and the cylinder jacket, still make cylinder liner gasket remain stable, reduced the phenomenon that the cylinder jacket produced and slided.
In addition, the positioning mechanisms are connected with the body and are uniformly distributed around the circumference of the body, so that the circumferential rigidity of the cylinder sleeve gasket is uniformly distributed, the circumferential stress of the cylinder sleeve gasket is uniform when the engine works, and the phenomenon of deformation of the cylinder sleeve gasket caused by nonuniform stress is avoided; therefore, the phenomenon that the cylinder sleeve slips is further avoided, and meanwhile, the integrity of the sealing performance between the cylinder mounting hole and the cylinder sleeve is further guaranteed.
Consequently, this embodiment cylinder liner packing ring sets up the mode, on can effectively ensure the basis of leakproofness between cylinder mounting hole and the cylinder jacket, can also effectively reduce the wearing and tearing of cylinder jacket and cylinder mounting hole, consequently can the maintenance of greatly reduced cylinder jacket and organism and the number of times of changing to the cost is reduced by a wide margin.
Optionally, the distance between any two adjacent locating mechanisms is greater than the length of the common gap between two adjacent cylinder mounting holes of the engine.
Optionally, the positioning mechanism comprises a first portion and a second portion; the first portion and the body are located on the same plane, the second portion is connected with the first portion, an included angle is formed between the second portion and the first portion, and the second portion is abutted to the side edge of the dovetail structure of the cylinder mounting hole.
Optionally, the joint of the first part and the second part has a concave structure; the concave structure is abutted with the sinking position of the support shoulder of the cylinder mounting hole.
Optionally, the liner gasket is made of copper alloy.
Optionally, the liner gasket is made of brass.
An engine comprising a liner gasket as described above.
Drawings
FIG. 1 is a schematic structural view of a liner gasket provided in an embodiment of the present invention;
FIG. 2 is a side view of a liner gasket provided in an embodiment of the present invention;
fig. 3 is a cross-sectional view of a cylinder liner gasket provided in an embodiment of the present invention installed in a body of an engine;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is a schematic structural view illustrating a cylinder liner gasket according to an embodiment of the present invention being mounted in a cylinder mounting hole of an engine;
fig. 6 is an enlarged view of a portion a in fig. 2.
Icon: 1-body; 2-a positioning mechanism; 3-common gap; 4-a first section; 5-a second section; 6-a concave structure; 7-cylinder mounting holes; 8-cylinder sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
FIG. 1 is a schematic structural view of a liner gasket provided in an embodiment of the present invention; FIG. 2 is a side view of a liner gasket provided in an embodiment of the present invention; fig. 3 is a cross-sectional view of a cylinder liner gasket provided in an embodiment of the present invention installed in a body of an engine; FIG. 4 is an enlarged view at B in FIG. 3; as shown in fig. 1-4, in the cylinder liner gasket provided in the embodiment of the present invention, the cylinder liner gasket is disposed between the cylinder mounting hole 7 and the cylinder liner 8 of the engine, and the cylinder liner gasket includes a body 1 and at least three positioning mechanisms 2; the body 1 is annular, and the body 1 is arranged on a support shoulder of the cylinder mounting hole 7; positioning mechanism 2 is connected with body 1, and around body 1's circumference evenly distributed, positioning mechanism 2 and the side butt of the forked tail structure of cylinder mounting hole 7.
The cylinder liner packing ring that this embodiment provided, because the cylinder liner packing ring sets up between the cylinder mounting hole 7 and the cylinder jacket 8 of engine, and the side butt of the forked tail structure of positioning mechanism 2 and cylinder mounting hole 7, can guarantee between cylinder mounting hole 7 and the cylinder jacket 8 sealed while, still make cylinder liner packing ring remain stable, reduced the phenomenon that cylinder jacket 8 produced and slided.
In addition, because the positioning mechanisms 2 are connected with the body 1 and are uniformly distributed around the circumference of the body 1, the circumferential rigidity of the cylinder sleeve gasket is uniformly distributed, so that the circumferential stress of the cylinder sleeve gasket is uniform when the engine works, and the phenomenon that the cylinder sleeve gasket deforms due to uneven stress is avoided; therefore, the phenomenon that the cylinder sleeve 8 slips is further avoided, and meanwhile, the integrity of the sealing between the cylinder mounting hole 7 and the cylinder sleeve 8 is further ensured.
Consequently, this embodiment cylinder liner packing ring mode of setting can also effectively reduce the wearing and tearing of cylinder jacket 8 and cylinder mounting hole 7 on can effectively ensuring the basis of leakproofness between cylinder mounting hole 7 and the cylinder jacket 8, consequently can the greatly reduced number of times of the maintenance and the change of cylinder jacket 8 and organism to the cost is reduced by a wide margin.
Fig. 5 is a schematic structural diagram of a cylinder liner gasket provided in an embodiment of the present invention, referring to fig. 1 and 5, as an alternative embodiment, a distance between any two adjacent positioning mechanisms 2 is greater than a length of a common gap 3 between two adjacent cylinder mounting holes 7 of an engine.
This kind of setting mode of this embodiment, because the distance between two arbitrary adjacent positioning mechanism 2 is greater than the length of the public clearance 3 between two adjacent cylinder mounting holes 7 of engine in the cylinder liner packing ring, then when the cylinder liner packing ring of two adjacent cylinder mounting holes 7 of installation, only need pay attention to do not install the positioning mechanism 2 of cylinder liner packing ring in the position that corresponds with this public clearance 3, can effectively prevent that the positioning mechanism 2 of two adjacent cylinder liner packing rings from taking place to interfere, thereby realize under the prerequisite of guaranteeing cylinder liner packing ring working property, improve the installation effectiveness of cylinder liner packing ring.
Fig. 6 is an enlarged view of fig. 2 at a, with reference to fig. 2 and 6, as an alternative embodiment, the positioning mechanism 2 comprises a first portion 4 and a second portion 5; the first portion 4 and the body 1 are located on the same plane, the second portion 5 is connected with the first portion 4, an included angle is formed between the second portion 5 and the first portion 4, and the second portion 5 is abutted to the side edge of the dovetail structure of the cylinder mounting hole 7. The junction of the first part 4 and the second part 5 is provided with a concave structure 6; the concave structure 6 is abutted with the sunken part of the support shoulder of the cylinder mounting hole 7.
Referring to fig. 4 and 6, in the present embodiment, when the liner gasket is mounted, the second portions 5 of the plurality of positioning mechanisms 2 are abutted against the side edges of the dovetail structures of the cylinder mounting holes 7, so as to fix the position of the liner gasket; simultaneously, guarantee all with the sunken department butt of the support shoulder of a plurality of positioning mechanism 2's recessed structure 6 and cylinder mounting hole 7 to realize the further fixed to cylinder liner packing ring position.
By the arrangement mode, the accuracy and the stability of the gasket of the cylinder sleeve can be guaranteed through double positioning of the second part 5 and the concave structure 6.
As an alternative embodiment, the material of the liner gasket is copper alloy.
In the embodiment, the engine body and the cylinder sleeve are made of cast iron materials, and the crystal lattice structure of the cast iron is a body-centered cubic structure, so that the materials are easily bonded; therefore, the cylinder sleeve gasket is made of copper alloy, the lattice structure of copper is face-centered cubic, and the phenomenon of material adhesion can be reduced to a certain extent when the copper alloy is in contact with cast iron materials.
Therefore, the arrangement mode can facilitate the disassembly of the cylinder liner gasket when the cylinder liner gasket is replaced or repaired subsequently.
As an alternative embodiment, the liner gasket is made of brass.
In the embodiment, the brass has high strength, high hardness and good wear resistance.
Therefore, the brass material is selected on the basis of reducing the adhesion of the material, and the service life of the cylinder sleeve gasket can be prolonged.
The embodiment of the utility model provides an engine is still provided, including foretell any kind of cylinder liner packing ring.
In this embodiment, the beneficial effects of the engine are the same as those of any one of the above-mentioned cylinder liner gaskets, and are not described again.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (7)

1. A cylinder sleeve gasket is characterized by being arranged between a cylinder mounting hole of an engine and a cylinder sleeve and comprising a body and at least three positioning mechanisms; wherein the content of the first and second substances,
the body is annular and is arranged on a support shoulder of the cylinder mounting hole;
positioning mechanism with this body coupling, and wind the circumference evenly distributed of body, positioning mechanism and the side butt of the forked tail structure of cylinder mounting hole.
2. The liner gasket of claim 1, wherein the distance between any two adjacent locating means is greater than the length of a common gap between two adjacent cylinder mounting bores of the engine.
3. The liner gasket of claim 1, wherein the locating mechanism includes a first portion and a second portion;
the first portion with the body is in the coplanar, the second portion with first portion is connected, just the second portion with the contained angle has between the first portion, the second portion and the side butt of the forked tail structure of cylinder mounting hole.
4. The liner gasket of claim 3, wherein the junction of the first portion and the second portion has a concave configuration;
the concave structure is abutted against the sinking position of the support shoulder of the cylinder mounting hole.
5. The liner gasket of any one of claims 1-4, wherein the liner gasket is made of copper alloy.
6. The liner gasket of claim 5, wherein the liner gasket is made of brass.
7. An engine comprising a liner gasket as claimed in any one of claims 1 to 6.
CN202120016318.4U 2021-01-04 2021-01-04 Cylinder sleeve gasket and engine Active CN214533280U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120016318.4U CN214533280U (en) 2021-01-04 2021-01-04 Cylinder sleeve gasket and engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120016318.4U CN214533280U (en) 2021-01-04 2021-01-04 Cylinder sleeve gasket and engine

Publications (1)

Publication Number Publication Date
CN214533280U true CN214533280U (en) 2021-10-29

Family

ID=78300695

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120016318.4U Active CN214533280U (en) 2021-01-04 2021-01-04 Cylinder sleeve gasket and engine

Country Status (1)

Country Link
CN (1) CN214533280U (en)

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