CN211397730U - Engine cylinder sleeve - Google Patents
Engine cylinder sleeve Download PDFInfo
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- CN211397730U CN211397730U CN201922449164.3U CN201922449164U CN211397730U CN 211397730 U CN211397730 U CN 211397730U CN 201922449164 U CN201922449164 U CN 201922449164U CN 211397730 U CN211397730 U CN 211397730U
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- cylinder sleeve
- cylinder
- sleeve
- sealing ring
- engine
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Abstract
The utility model relates to an engine cylinder sleeve, which comprises a first cylinder sleeve, a second cylinder sleeve and a third cylinder sleeve, wherein the first cylinder sleeve, the second cylinder sleeve and the third cylinder sleeve are cylindrical; the first cylinder sleeve is clamped in an open slot of the cylinder body, the top of the first cylinder sleeve is abutted with the bottom of the cylinder cover, and the bottom of the first cylinder sleeve is abutted with the top of the second cylinder sleeve; the second cylinder sleeve is positioned below the first cylinder sleeve, the top of the second cylinder sleeve is fixedly connected with the bottom of the first cylinder sleeve in a welding mode, and the bottom of the second cylinder sleeve is abutted with the top of the third cylinder sleeve; the third cylinder sleeve is positioned below the second cylinder sleeve, and the top of the third cylinder sleeve is fixedly connected with the bottom of the second cylinder sleeve in a welding mode.
Description
Technical Field
The utility model relates to an automobile parts technical field especially relates to an engine cylinder jacket.
Background
The cylinder sleeve is a cylindrical part and is arranged in a cylinder body hole of the machine body, and the cylinder sleeve is tightly pressed and fixed by a cylinder cover. The piston reciprocates in its bore and is cooled by cooling water located externally thereof. When the engine starts to work, the inner surface of the cylinder sleeve is directly acted by high-temperature and high-pressure fuel gas and always generates high-speed sliding friction with the piston ring and the piston skirt. The surface of the steel pipe is contacted with cooling water, and severe thermal stress is generated under a large temperature difference and is corroded by the cooling water. The side thrust of the piston against the cylinder liner not only exacerbates its internal surface friction, but also causes it to bend.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's defect, provide an engine cylinder jacket, reasonable in design, the even cooling of realization cylinder body, the life of extension engine cylinder body.
In order to achieve the purpose, the embodiment of the utility model provides an engine cylinder sleeve, which comprises a first cylinder sleeve, a second cylinder sleeve and a third cylinder sleeve, wherein the first cylinder sleeve, the second cylinder sleeve and the third cylinder sleeve are all cylindrical;
the first cylinder sleeve is clamped in an open slot of the cylinder body, the top of the first cylinder sleeve is abutted against the bottom of the cylinder cover, a sealing cover is arranged in the first cylinder sleeve, an arc-shaped groove is formed in the side face of the sealing cover, an arc-shaped cavity is formed by the arc-shaped groove and the inner wall of the first cylinder sleeve, and the bottom of the first cylinder sleeve is abutted against the top of the second cylinder sleeve;
the second cylinder sleeve is positioned below the first cylinder sleeve, the top of the second cylinder sleeve is fixedly connected with the bottom of the first cylinder sleeve in a welding mode, and the bottom of the second cylinder sleeve is abutted with the top of the third cylinder sleeve;
the third cylinder sleeve is located below the second cylinder sleeve, the top of the third cylinder sleeve is fixedly connected with the bottom of the second cylinder sleeve in a welding mode, an annular groove is formed in the side face of the third cylinder sleeve, and the annular groove is fixedly connected with the third cylinder sleeve in a welding mode.
Preferably, an O-shaped sealing ring is arranged in the arc-shaped cavity, and the O-shaped sealing ring is abutted against the arc-shaped groove, so that the sealing performance of the sealing cover is improved.
Preferably, a first sealing ring is arranged on the side surface of the second cylinder sleeve, and the first sealing ring is a water seal sealing ring.
Further preferably, the cross section of the first seal ring is rectangular.
Preferably, a second sealing ring and a third sealing ring are arranged on the side face of the third cylinder sleeve, and the second sealing ring and the third sealing ring are water sealing rings.
Further preferably, the cross-section of the second seal ring and the third seal ring is semicircular.
Further preferably, a cavity is formed between the first sealing ring and the second sealing ring, and cooling water is arranged in the cavity.
Preferably, the annular groove is used for increasing the contact area of the surface of the third cylinder sleeve and water, and the heat exchange effect of the cylinder body is improved.
Preferably, the first cylinder sleeve, the second cylinder sleeve and the third cylinder sleeve are of an integrally formed structure.
The embodiment of the utility model provides an engine cylinder cover, through setting up the annular, the area of contact of increase cylinder liner surface and water promotes the heat transfer effect to reach the even cooling of cylinder body, prolong the life of engine cylinder body.
Drawings
Fig. 1 is a schematic structural diagram of a cylinder liner in a cylinder block according to an embodiment of the present invention;
FIG. 2 is a detailed schematic diagram of the structure of the cylinder liner of FIG. 1;
fig. 3 is a detailed schematic view of a cylinder liner in a cylinder block according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention are described below clearly and completely by the accompanying drawings and examples, and it is obvious that the described examples are only some examples, but not all examples of the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The embodiment of the utility model provides an engine cylinder sleeve, fig. 1 is the structure schematic diagram of the cylinder sleeve in the cylinder body provided by the embodiment of the utility model, fig. 2 is the detailed structure schematic diagram of the cylinder sleeve in fig. 1; referring to fig. 1 and 2, the cylinder liner of the engine comprises a first cylinder sleeve 1, a second cylinder sleeve 2 and a third cylinder sleeve 3, wherein the first cylinder sleeve 1, the second cylinder sleeve 2 and the third cylinder sleeve 3 are all cylindrical;
the first cylinder sleeve 1 is clamped in an open slot of the cylinder body 4, the top of the first cylinder sleeve 1 is abutted with the bottom of the cylinder cover, the outer surface of the first cylinder sleeve 1 is contacted with the inner wall of the cylinder body 4, and the bottom of the first cylinder sleeve 1 is abutted with the top of the second cylinder sleeve 2; the second cylinder sleeve 2 is positioned below the first cylinder sleeve 1, the top of the second cylinder sleeve 2 is fixedly connected with the bottom of the first cylinder sleeve 1 in a welding mode, and the bottom of the second cylinder sleeve 2 is abutted with the top of the third cylinder sleeve 3; the third cylinder jacket 3 is positioned below the second cylinder jacket 2, the top of the third cylinder jacket 3 is fixedly connected with the bottom of the second cylinder jacket 2 in a welding mode, and the first cylinder jacket 1, the second cylinder jacket 2 and the third cylinder jacket 3 are of an integrally formed structure.
Referring to fig. 1 and 2, the first cylinder liner 1 is cylindrical, the top of the first cylinder liner 1 is flush with the opening of the open slot of the cylinder block 4, the top of the first cylinder liner 1 is provided with an opening, the inside of the first cylinder liner 1 is provided with a sealing cover 10, the outer diameter of the sealing cover 10 is matched with the inner diameter of the first cylinder liner 1, the sealing cover 10 is flat, the side surface of the sealing cover 10 is provided with an arc-shaped groove 100, the arc-shaped groove 100 and the inner wall of the first cylinder liner 1 form an arc-shaped cavity 11, the arc-shaped cavity 11 is internally provided with an O-shaped sealing ring 12, the O-shaped sealing ring 12 abuts against the arc-shaped groove 100, the sealing performance of the sealing cover 10 is improved, and the sealing cover 10 is sealed with. The bottom of the opening groove of the cylinder body 4 is provided with an annular step 40, two ends of the bottom of the first cylinder sleeve 1 are respectively placed on the annular step 40, the bottom of the first cylinder sleeve 1 is provided with a round hole 13, and the round hole 13 is abutted to the top of the second cylinder sleeve 2.
The second cylinder sleeve 2 is cylindrical, the outer diameter of the second cylinder sleeve 2 is equal to the diameter of a round hole 13 at the bottom of the first cylinder sleeve 1 and smaller than the opening diameter of the first cylinder sleeve 1, the top of the second cylinder sleeve 2 is fixedly connected with the round hole 13 of the first cylinder sleeve 1 in a welding mode, a cylindrical cylinder 41 is arranged below the annular step 40, a first sealing ring 20 is arranged on the side surface of the second cylinder sleeve 2, the first sealing ring 20 is an annular sealing ring, the inner surface of the first sealing ring 20 is in contact with the outer surface of the second cylinder sleeve 2, the outer surface of the first sealing ring 20 is in contact with the inner wall of the cylinder 41, the top of the first sealing ring 20 is in contact with the bottom of the first cylinder sleeve 1, the first sealing ring 20 specifically adopts a water seal sealing ring, the second cylinder sleeve 2 realizes the sealing isolation of the cylinder 41 from the outside through the first sealing ring 20, and preferably, the. The bottom of the second cylinder sleeve 2 is abutted against the top of the third cylinder sleeve 3.
The third cylinder sleeve 3 is cylindrical, the diameter of the third cylinder sleeve 3 is equal to that of the second cylinder sleeve 2, the top of the third cylinder sleeve 3 is fixedly connected with the bottom of the second cylinder sleeve 2 in a welding mode, the side surface of the third cylinder sleeve 3 is provided with an annular groove 30, the annular groove 30 is used for increasing the contact area of the surface of the third cylinder sleeve 3 and water and improving the heat exchange effect of the cylinder body, the annular groove 30 is fixedly connected with the third cylinder sleeve 3 in a welding mode, specifically, the side surface of the annular groove 30 is provided with a second sealing ring 31 and a third sealing ring 32, the second sealing ring 31 and the third sealing ring 32 are positioned at the lower end of the third cylinder sleeve 3, the inner surface of the second sealing ring 31 is in contact with the outer surface of the annular groove 30, the outer surface of the second sealing ring 31 is in contact with the inner wall of the cylinder barrel 41, the inner surface of the third sealing ring 32 is in contact with the outer surface of, the second sealing ring 31 and the third sealing ring 32 both adopt water sealing rings, a cavity 5 is formed between the first sealing ring 20 and the second sealing ring 31, specifically, the first sealing ring 20 and the second sealing ring 31 form an annular cavity 5 inside the cylinder body 41, similarly, the second sealing ring 31 and the third sealing ring 32 form an annular cavity 5 inside the cylinder body 41, cooling water is arranged in the cavity 5, and preferably, the cross sections of the second sealing ring 31 and the third sealing ring 32 are semicircular.
The above is to the each part of the engine cylinder liner that the embodiment of the present invention provides, the relation of connection between them has been introduced, and figure 3 is the detailed schematic diagram of the cylinder liner in the cylinder body that the embodiment of the present invention provides.
Hereinafter, the assembling process of the engine cylinder liner will be described in detail with reference to fig. 1, 2 and 3.
When the sealing device is used, the first cylinder sleeve 1, the second cylinder sleeve 2 and the third cylinder sleeve 3 are firstly assembled and welded and fixed, then equipment to be installed is installed in sequence, the third sealing ring 32, the second sealing ring 31 and the first sealing ring 20 are installed on the installed cylinder sleeves, then the cylinder sleeves are pressed into proper positions in the cylinder block 4, proper water is injected, the position of the second sealing ring 31 is adjusted and pressed into a preset position of the cylinder block 4, proper water is injected again until the water level is equal to the top of the third cylinder sleeve 3, then the cylinder sleeves are completely placed into the cylinder block 4, the cylinder barrel 41 is sealed and isolated from the outside, the sealing cover 10 is arranged in the first cylinder sleeve 1, and the installation process of the cylinder sleeves is finished.
The embodiment of the utility model provides an engine cylinder cover, through setting up the annular, the area of contact of increase cylinder liner surface and water promotes the heat transfer effect to reach the even cooling of cylinder body, prolong the life of engine cylinder body.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The engine cylinder sleeve is characterized by comprising a first cylinder sleeve, a second cylinder sleeve and a third cylinder sleeve, wherein the first cylinder sleeve, the second cylinder sleeve and the third cylinder sleeve are cylindrical;
the first cylinder sleeve is clamped in an open slot of the cylinder body, the top of the first cylinder sleeve is abutted against the bottom of the cylinder cover, a sealing cover is arranged in the first cylinder sleeve, an arc-shaped groove is formed in the side face of the sealing cover, an arc-shaped cavity is formed by the arc-shaped groove and the inner wall of the first cylinder sleeve, and the bottom of the first cylinder sleeve is abutted against the top of the second cylinder sleeve;
the second cylinder sleeve is positioned below the first cylinder sleeve, the top of the second cylinder sleeve is fixedly connected with the bottom of the first cylinder sleeve in a welding mode, and the bottom of the second cylinder sleeve is abutted with the top of the third cylinder sleeve;
the third cylinder sleeve is located below the second cylinder sleeve, the top of the third cylinder sleeve is fixedly connected with the bottom of the second cylinder sleeve in a welding mode, an annular groove is formed in the side face of the third cylinder sleeve, and the annular groove is fixedly connected with the third cylinder sleeve in a welding mode.
2. The engine cylinder liner according to claim 1, characterized in that an O-ring is disposed in the arc-shaped cavity, and the O-ring abuts against the arc-shaped groove to improve the sealing performance of the sealing cover.
3. The engine cylinder liner according to claim 1, characterized in that a first sealing ring is disposed on a side surface of the second cylinder liner, and the first sealing ring is a water seal sealing ring.
4. The engine cylinder liner according to claim 3, characterized in that the cross section of the first seal ring is rectangular.
5. The engine cylinder liner according to claim 3, characterized in that a second sealing ring and a third sealing ring are arranged on the side of the third cylinder liner, and both the second sealing ring and the third sealing ring are water sealing rings.
6. The engine cylinder liner according to claim 5, characterized in that the cross-section of the second and third seal rings is semi-circular.
7. The engine cylinder liner according to claim 5, characterized in that a cavity is formed between the first seal ring and the second seal ring, and cooling water is provided in the cavity.
8. The engine cylinder liner according to claim 1, characterized in that the ring groove is used to increase the contact area of the third liner surface with water, and improve the heat exchange effect of the cylinder block.
9. The engine cylinder liner according to claim 1, characterized in that the first, second, and third cylinder liners are an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922449164.3U CN211397730U (en) | 2019-12-30 | 2019-12-30 | Engine cylinder sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922449164.3U CN211397730U (en) | 2019-12-30 | 2019-12-30 | Engine cylinder sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211397730U true CN211397730U (en) | 2020-09-01 |
Family
ID=72208958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922449164.3U Active CN211397730U (en) | 2019-12-30 | 2019-12-30 | Engine cylinder sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211397730U (en) |
-
2019
- 2019-12-30 CN CN201922449164.3U patent/CN211397730U/en active Active
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