CN209569081U - Wet liner and engine body connection structure and engine - Google Patents

Wet liner and engine body connection structure and engine Download PDF

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Publication number
CN209569081U
CN209569081U CN201822090522.1U CN201822090522U CN209569081U CN 209569081 U CN209569081 U CN 209569081U CN 201822090522 U CN201822090522 U CN 201822090522U CN 209569081 U CN209569081 U CN 209569081U
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China
Prior art keywords
engine body
cylinder jacket
positioning belt
cylinder
mounting holes
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CN201822090522.1U
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Chinese (zh)
Inventor
张长冲
韩捷
周涛
韩承敏
崔凯
王守群
李洪亮
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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Priority to CN201822090522.1U priority Critical patent/CN209569081U/en
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Abstract

The utility model belongs to technical field of engines, and in particular to a kind of connection structure and engine of wet liner and engine body.The connection structure includes the cylinder mounting holes being located on the engine body and the cylinder jacket being installed in the cylinder mounting holes, the engine body passes through the top positioning belt on the cylinder mounting holes hole wall, middle part positioning belt and lower part positioning belt support the cylinder jacket, the groove that multiple tracks is arranged in a ring is equipped on the hole wall of the cylinder mounting holes between the top positioning belt and middle part positioning belt, annular protrusion is formed between adjacent twice groove, the cylinder jacket expanded by heating and with it is described protrusion be in close contact when, the annular protrusion forms radial support to the cylinder jacket, and the cooling duct passed through for coolant liquid is formed between the groove and the outer wall of the cylinder jacket.

Description

Wet liner and engine body connection structure and engine
Technical field
The utility model belongs to technical field of engines, and in particular to a kind of wet liner connect knot with engine body Structure and engine.
Background technique
What this part provided is only background information relevant to the disclosure, is not necessarily the prior art.
Cylinder jacket is a cylindrical component, is installed in the cylinder mounting holes of engine body.Cylinder jacket is divided into wet type The connection structure of cylinder jacket and dry liner, existing wet liner and engine body is as shown in Figure 3 comprising is located at Cylinder mounting holes on engine body 11 and the cylinder jacket 12 being installed in cylinder mounting holes, cylinder mounting holes pass through position respectively Cylinder jacket 12 is positioned and supported in top installation band 13, middle part installation band 14 and the lower part installation band 15 on hole wall, on Portion installs and forms cooling water cavity 16 between band 13 and middle part installation band 14, to cool down to cylinder jacket 12.Cooling water cavity 16 Presence lead to cylinder jacket 12 top (part between top positioning belt 13 and middle part positioning belt 14) vacantly, thus lead to this Part-structure rigidity is weaker, easily deforms, and then may cause the failures such as dry seed, air leakage are big, engine oil consumption is high.
Utility model content
The purpose of this utility model is at least to solve one of above-mentioned problems of the prior art, the purpose be by with What lower technical solution was realized:
The utility model proposes the connection structures of a kind of wet liner and engine body, including are located at described start Cylinder mounting holes on machine body and the cylinder jacket being installed in the cylinder mounting holes, the engine body, which passes through, is located at institute Top positioning belt, middle part positioning belt and the lower part positioning belt stated on cylinder mounting holes hole wall support the cylinder jacket, are being located at institute The hole wall for stating the cylinder mounting holes between top positioning belt and middle part positioning belt is equipped with the groove that multiple tracks is arranged in a ring, Annular protrusion is formed between adjacent twice groove, the cylinder jacket expanded by heating and with it is described protrusion be in close contact when, the ring Shape protrusion forms radial support to the cylinder jacket, and is formed between the groove and the outer wall of the cylinder jacket for coolant liquid By cooling duct.
Further, the engine body is cold for conveying to the cooling duct equipped with what is be connected to the groove But the admission chamber of liquid, the engine body are equipped with the cooling for being discharged in the cooling duct being connected to the groove Liquid goes out sap cavity.
Further, the admission chamber and the sap cavity out are arranged in the opposite two sides of the cylinder jacket.
Further, each annular protrusion height in the radial direction is equal.
A kind of connection structure of wet liner and engine body, including the cylinder peace being located on the engine body Dress hole and the cylinder jacket being mounted in the cylinder mounting holes, the engine body is by being located at the cylinder mounting holes hole wall On top positioning belt, middle part positioning belt and lower part positioning belt support the cylinder jacket, be located at the top positioning belt and in The outer wall of the cylinder jacket between portion's positioning belt is equipped with the groove that multiple tracks is arranged in a ring, is formed between adjacent twice groove Annular protrusion, when the cylinder jacket expanded by heating, the hole wall of the annular protrusion and the cylinder mounting holes is in close contact, described Engine body forms radial support, and the groove and the cylinder mounting holes to the cylinder jacket by annular protrusion The cooling duct passed through for coolant liquid is formed between inner wall.
Further, the engine body is cold for conveying to the cooling duct equipped with what is be connected to the groove But the admission chamber of liquid, the engine body are equipped with the cooling for being discharged in the cooling duct being connected to the groove Liquid goes out sap cavity.
Further, the admission chamber and the sap cavity out are arranged in the opposite two sides of the cylinder jacket.
Further, each annular protrusion height in the radial direction is equal.
The utility model also proposed a kind of engine, including engine body and wet liner, the engine machine By being connected according to above-described connection structure between body and the wet liner.
Utility model has the advantages that
The connection structure of wet liner and engine body that the utility model is proposed, the cylinder on engine body Part between the top positioning belt and middle part positioning belt of mounting hole wall is equipped with the groove that multiple tracks is circular layout, and adjacent twice are recessed Form annular protrusion between slot, when cylinder jacket expanded by heating, annular protrusion and cylinder jacket are in close contact, and annular protrusion is to cylinder jacket It forms radial support and reduces the deformation of cylinder jacket to improve the overall stiffness of connection structure, and then air leakage is effectively reduced Greatly, the failure rate of burn oil.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the engine body and cylinder liner construction schematic diagram of the utility model embodiment;
Fig. 2 is the utility model embodiment engine body and cylinder jacket partial enlargement structural representation;
Fig. 3 is prior art engine body and cylinder liner construction schematic diagram sheet.
Respectively label is expressed as follows in attached drawing:
1: engine body, 2: cylinder jacket, 3: top positioning belt, 4: middle part positioning belt, 5: lower part positioning belt, 6: cooling logical Road, 7: admission chamber, 8: go out sap cavity, 9: groove;
11: engine body, 12: cylinder jacket, 13: top positioning belt, 14: lower part positioning belt, 15: lower part positioning belt, 16 Waterway.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs The range opened is fully disclosed to those skilled in the art.
It should be understood that term used herein merely for description particular example embodiment purpose, and have no intention into Row limitation.Unless the context clearly indicates otherwise, otherwise singular " one " as used in the text, "one" and " described " Can also indicate to include plural form.The terms "include", "comprise", " containing " and " having " are inclusives, and therefore It indicates the presence of stated feature, step, operations, elements, and/or components, but presence or addition one or more is not precluded A other feature, step, operation, component, assembly unit, and/or their combination.
Although can be described in the text using term first, second, third, etc. multiple element, component, region, layer and/ Or section, still, these component, assembly units, region, layer and/or section should not be limited by these terms.These terms can be only For a component, assembly unit, region, layer or section are distinguished with another region, layer or section.Unless context clearly refers to Out, do not implied that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text sequence or Person's order.Therefore, first element discussed below, component, region, layer or section are in the introduction for not departing from example embodiment In the case of can be referred to as second element, component, region, layer or section.
For ease of description, an element as illustrated in the diagram can be described use space relativeness term in the text Either feature is relative to another element or the relationship of feature, these relativeness terms are, for example, " inside ", " outside ", " interior Side ", " outside ", " following ", " lower section ", " above ", " top " etc..This spatial correlation term is intended to include removing to retouch in figure The different direction of device in use or operation except the orientation drawn.For example, being retouched if the device in figure is overturn State that either the element " below other elements or feature " then will be orientated " In for " below other elements or feature " Above other elements or feature " either " above other elements or feature ".Therefore, exemplary term " in ... lower section " can To include in orientation upper and under.In addition device can be oriented and (be rotated by 90 ° or in other directions) and used herein Spatial correlation descriptor correspondingly explains.
Embodiment 1
As shown in Figure 1 and Figure 2, the present embodiment proposes the connection structure of a kind of wet liner and engine body, including Cylinder mounting holes on engine body 1 and the cylinder jacket 2 being installed in cylinder mounting holes, engine body 1 pass through position Cylinder jacket 2 is supported in top positioning belt 3, middle part positioning belt 4 and the lower part positioning belt 5 on cylinder mounting holes hole wall, it is upper being located at The hole wall of cylinder mounting holes between portion's positioning belt 3 and middle part positioning belt 4 is equipped with the groove 9 that multiple tracks is arranged in a ring, adjacent Annular protrusion is formed between twice groove 9, when 2 expanded by heating of cylinder jacket is in close contact with annular protrusion, annular protrusion pair Cylinder jacket 2 formed radial support, and between groove 9 and the outer wall of cylinder jacket 2 formed pass through for coolant liquid (such as water) it is cold But channel 6, coolant liquid flow through cooling duct 6 and cool down to cylinder jacket 2.
The connection structure of wet liner and engine body that the utility model embodiment is proposed, engine body 1 On cylinder mounting holes hole wall top positioning belt 3 and middle part positioning belt 4 between part be equipped with the groove that is circular layout of multiple tracks 9, annular protrusion is formed between adjacent twice groove 9, and when 2 expanded by heating of cylinder jacket, annular protrusion closely connects with cylinder jacket 2 Touching, annular protrusion forms radial support to cylinder jacket 2, to improve the overall stiffness of connection structure, reduces the change of cylinder jacket 2 Shape, and then it is effectively reduced that air leakage is big, failure rate of burn oil.
In above-described embodiment, it is preferable that engine body 1 is used to convey to cooling duct 6 equipped with what is be connected to groove 9 The admission chamber 7 of coolant liquid, engine body 1 are equipped with going out for the coolant liquid for being discharged in cooling duct 6 being connected to groove 9 Sap cavity 8.Coolant liquid enters engine body 1 by admission chamber 7, by the cooling duct 6 on engine body 1 to cylinder jacket 2 Part between top positioning belt 3 and middle part positioning belt 4 is cooled down, and is discharged later by going out sap cavity 8.
In above-described embodiment, it is preferable that admission chamber 7 and out sap cavity 8 are arranged in the opposite two sides of cylinder jacket 2, make coolant liquid The path longest of process, sufficiently cools down water-cooled jacket 2.
In above-described embodiment, it is preferable that each annular protrusion height in the radial direction is equal so that when cylinder jacket 2 it is heated and When being in close contact with each protrusion, the radial support power that cylinder jacket 2 is subject to is more uniform.
Embodiment 2
Details are not described herein for the part same as Example 1 of embodiment 2, and the main distinction of the two is, more in embodiment 2 The groove that road is arranged in a ring is arranged on the outer wall of the cylinder jacket 2 between top positioning belt 3 and middle part positioning belt 4, phase Form annular protrusion between adjacent twice groove, when 2 expanded by heating of cylinder jacket, the hole wall of annular protrusion and cylinder mounting holes is closely connect Touching, engine body 1 form radial support to cylinder jacket 2 by annular protrusion, and groove and the inner wall of cylinder mounting holes it Between form the cooling duct that passes through for coolant liquid.
The utility model also proposed a kind of engine, including engine body and wet liner, engine body with It is connected between wet liner by connection structure as above.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with Subject to the scope of protection of the claims.

Claims (9)

1. a kind of wet liner and engine body connection structure, including the cylinder mounting holes being located on the engine body With the cylinder jacket being installed in the cylinder mounting holes, the engine body is by being located on the cylinder mounting holes hole wall Top positioning belt, middle part positioning belt and lower part positioning belt support the cylinder jacket, which is characterized in that position being located at the top The hole wall of the cylinder mounting holes between band and middle part positioning belt is equipped with the groove that multiple tracks is arranged in a ring, and adjacent twice are recessed Annular protrusion is formed between slot, the cylinder jacket expanded by heating and with it is described protrusion be in close contact when, the annular protrusion is to institute It states cylinder jacket and forms radial support, and form the cooling passed through for coolant liquid between the groove and the outer wall of the cylinder jacket Channel.
2. wet liner according to claim 1 and engine body connection structure, which is characterized in that the engine Body is equipped with the admission chamber being used for cooling duct conveying coolant liquid being connected to the groove, the engine body Be equipped with the coolant liquid for being discharged in the cooling duct being connected to the groove goes out sap cavity.
3. wet liner according to claim 2 and engine body connection structure, which is characterized in that the admission chamber With it is described go out the sap cavity two sides that be arranged in the cylinder jacket opposite.
4. wet liner according to claim 1 or 2 or 3 and engine body connection structure, which is characterized in that each institute It is equal to state annular protrusion height in the radial direction.
5. a kind of wet liner and engine body connection structure, including the cylinder mounting holes being located on the engine body With the cylinder jacket being installed in the cylinder mounting holes, the engine body is by being located at the upper of the cylinder mounting holes hole wall Portion's positioning belt, middle part positioning belt and lower part positioning belt support the cylinder jacket, which is characterized in that are being located at the top positioning belt The outer wall of the cylinder jacket between the positioning belt of middle part is equipped with the groove arranged in a ring of multiple tracks, between adjacent twice groove Annular protrusion is formed, when the cylinder jacket expanded by heating, the hole wall of the annular protrusion and the cylinder mounting holes is in close contact, The engine body forms radial support to the cylinder jacket by annular protrusion, and the groove and the cylinder are installed The cooling duct passed through for coolant liquid is formed between the inner wall in hole.
6. wet liner according to claim 5 and engine body connection structure, which is characterized in that the engine Body is equipped with the admission chamber being used for cooling duct conveying coolant liquid being connected to the groove, the engine body Be equipped with the coolant liquid for being discharged in the cooling duct being connected to the groove goes out sap cavity.
7. wet liner according to claim 6 and engine body connection structure, which is characterized in that the admission chamber With it is described go out the sap cavity two sides that be arranged in the cylinder jacket opposite.
8. according to wet liner described in claim 5 or 6 or 7 and engine body connection structure, which is characterized in that each institute It is equal to state annular protrusion height in the radial direction.
9. a kind of engine, including engine body and wet liner, the engine body and the wet liner it Between connected by connection structure according to any one of claim 1 to 8.
CN201822090522.1U 2018-12-12 2018-12-12 Wet liner and engine body connection structure and engine Active CN209569081U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822090522.1U CN209569081U (en) 2018-12-12 2018-12-12 Wet liner and engine body connection structure and engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822090522.1U CN209569081U (en) 2018-12-12 2018-12-12 Wet liner and engine body connection structure and engine

Publications (1)

Publication Number Publication Date
CN209569081U true CN209569081U (en) 2019-11-01

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CN201822090522.1U Active CN209569081U (en) 2018-12-12 2018-12-12 Wet liner and engine body connection structure and engine

Country Status (1)

Country Link
CN (1) CN209569081U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115163324A (en) * 2022-08-29 2022-10-11 潍柴动力股份有限公司 Cylinder assembly and internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115163324A (en) * 2022-08-29 2022-10-11 潍柴动力股份有限公司 Cylinder assembly and internal combustion engine
CN115163324B (en) * 2022-08-29 2024-04-16 潍柴动力股份有限公司 Cylinder assembly and internal combustion engine

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