CN220395842U - Cylinder sleeve of diesel engine - Google Patents
Cylinder sleeve of diesel engine Download PDFInfo
- Publication number
- CN220395842U CN220395842U CN202322111083.9U CN202322111083U CN220395842U CN 220395842 U CN220395842 U CN 220395842U CN 202322111083 U CN202322111083 U CN 202322111083U CN 220395842 U CN220395842 U CN 220395842U
- Authority
- CN
- China
- Prior art keywords
- cylinder liner
- cylinder
- cooling water
- sleeve
- water cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000000498 cooling water Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a diesel engine cylinder sleeve which comprises a cylinder sleeve and a fixed sleeve, wherein a cooling water cavity part is arranged on the cylinder sleeve, a plurality of first springs are arranged on the cooling water cavity part, the other end of each first spring is provided with the fixed sleeve, the upper end and the lower end of the fixed sleeve are fixedly connected with the cooling water cavity part, a plurality of sealing grooves are arranged on the cylinder sleeve, and sealing rings are arranged in the sealing grooves. When the novel hydraulic cylinder liner is used, the cylinder liner is arranged in the cylinder barrel, the purpose of increasing the output function is achieved by enlarging the inner diameter of the cylinder liner, the service life of the cylinder liner is prolonged by changing the material of the cylinder liner and using the material with higher hardness and better rigidity, the strength of the cylinder liner is further improved by forming an isosceles trapezoid on the section between the cooling water cavity part and the fixed sleeve, and the force acting on the inner wall of the cylinder liner can be absorbed by the arranged first spring, so that the cylinder liner is prevented from deforming in the use process.
Description
Technical Field
The utility model relates to the technical field of diesel engines, in particular to a diesel engine cylinder sleeve.
Background
The cylinder sleeve is simply called cylinder sleeve, which is inlaid in the cylinder barrel of the cylinder body and forms a combustion chamber together with the piston and the cylinder cover. Cylinder liners are divided into two main categories, dry and wet. The cylinder liner with the back surface not contacted with cooling water is called a dry cylinder liner, and the cylinder liner with the back surface contacted with the cooling water is a wet cylinder liner. The dry cylinder sleeve has the advantages of thinner thickness, simple structure and convenient processing. The wet cylinder sleeve is in direct contact with cooling water, so that the cooling of the engine is facilitated, and the miniaturization and the light weight of the engine are facilitated. The cylinder sleeve of the diesel engine can generate stress and deformation under the action of the combustion pressure of the cylinder, which can seriously affect the working performance of the diesel engine, and the out-of-tolerance of the geometric shape precision of the inner hole of the cylinder sleeve can cause the reduction of the sealing performance between the cylinder sleeve and the piston, so that the problems of economy, dynamic property, emission property and the like of the diesel engine are caused.
The cooling water cavity is arranged between the existing cylinder sleeve and the cylinder body, the wall thickness in the middle of the cylinder sleeve cannot meet the requirement, the cylinder sleeve is easy to deform in use, the stability is poor, meanwhile, the sealing plug of the water cavity between the cylinder sleeve and the cylinder body is easy to loosen when the cylinder sleeve deforms, the sealing effect is poor, so that the cooling liquid in the water cavity overflows, a diesel engine is easy to cause to be inoperable and even damaged, and the service life is short. Accordingly, the present utility model provides a diesel engine cylinder liner to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a diesel engine cylinder sleeve to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the cylinder sleeve of the diesel engine comprises a cylinder sleeve and a fixed sleeve, wherein a cooling water cavity part is arranged on the cylinder sleeve, a plurality of first springs are arranged on the cooling water cavity part, the other ends of the first springs are provided with the fixed sleeve, the upper end and the lower end of the fixed sleeve are fixedly connected with the cooling water cavity part, a plurality of sealing grooves are formed in the cylinder sleeve, and sealing rings are arranged in the sealing grooves.
As a further scheme of the utility model, the annular groove is arranged on the sealing ring, the sealing ring is connected in a sliding way in the annular groove, the outer end of the sealing ring is aligned with the sealing ring, and the sealing property between the cylinder sleeve and the cylinder barrel is further improved through the arranged sealing ring.
As a still further scheme of the utility model, a second spring is arranged in the annular groove, one end of the second spring is fixedly connected with the inner wall of the annular groove, the other end of the second spring is fixedly connected with the sealing ring, and the sealing ring is convenient to be always clung to the inner wall of the cylinder barrel through the elastic potential energy of the second spring.
As a still further scheme of the utility model, the section between the cooling water cavity and the fixed sleeve forms an isosceles trapezoid, so that the strength of the cylinder sleeve is improved.
Further, the purpose of increasing the output function is achieved by enlarging the inner diameter of the cylinder sleeve, and the service life of the cylinder sleeve is prolonged by changing the material of the cylinder sleeve and using the material with higher hardness and better rigidity.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the novel hydraulic cylinder liner is used, the cylinder liner is arranged in the cylinder barrel, the purpose of increasing the output function is achieved by enlarging the inner diameter of the cylinder liner, the service life of the cylinder liner is prolonged by changing the material of the cylinder liner and using the material with higher hardness and better rigidity, the strength of the cylinder liner is further improved by forming an isosceles trapezoid on the section between the cooling water cavity part and the fixed sleeve, and the force acting on the inner wall of the cylinder liner can be absorbed by the arranged first spring, so that the cylinder liner is prevented from deforming in the use process.
2. When the cylinder sleeve cooling device is used, the cooling water channel is formed by the cooling water cavity and the inner wall of the cylinder barrel, the requirement on cooling of the cylinder sleeve is met, the sealing performance between the cylinder sleeve and the cylinder barrel is improved through the matched use of the sealing groove and the sealing ring structure, and meanwhile, the annular groove, the second spring and the sealing ring structure are matched, so that the elastic potential energy of the second spring is convenient for driving the sealing ring to be tightly attached to the inner wall of the cylinder barrel, and the sealing effect is further improved.
Drawings
Fig. 1 is a schematic structural view of a diesel cylinder liner.
Fig. 2 is a schematic cross-sectional structure of a diesel cylinder liner.
Fig. 3 is an enlarged schematic view of the diesel engine cylinder liner at a in fig. 2.
In the figure: 1. cylinder sleeve; 101. a cooling water chamber section; 2. a fixed sleeve; 3. a first spring; 4. sealing grooves; 5. a seal ring; 6. an annular groove; 7. a second spring; 8. and (3) a sealing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
In the present utility model, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described as "exemplary" in this disclosure is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present utility model may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the utility model with unnecessary detail. Thus, the present utility model is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
Examples
Referring to fig. 1 to 3, in the embodiment of the utility model, a diesel engine cylinder liner comprises a cylinder liner 1 and a fixed sleeve 2, wherein a cooling water cavity part 101 is arranged on the cylinder liner 1, a plurality of first springs 3 are arranged on the cooling water cavity part 101, the other end of each first spring 3 is provided with the fixed sleeve 2, the upper end and the lower end of each fixed sleeve 2 are fixedly connected with the cooling water cavity part 101, a plurality of sealing grooves 4 are arranged on the cylinder liner 1, sealing rings 5 are arranged in the sealing grooves 4, and the section between the cooling water cavity part 101 and the fixed sleeve 2 forms an isosceles trapezoid, so that the strength of the cylinder liner 1 is improved.
Further, the purpose of increasing the output function is achieved by enlarging the inner diameter of the cylinder sleeve 1, and the service life of the cylinder sleeve 1 is prolonged by changing the material of the cylinder sleeve 1 and using the material with higher hardness and better rigidity.
The sealing ring 5 is provided with an annular groove 6, the annular groove 6 is connected with a sealing ring 8 in a sliding manner, the outer end of the sealing ring 8 is aligned with the sealing ring 5, the annular groove 6 is internally provided with a second spring 7, one end of the second spring 7 is fixedly connected with the inner wall of the annular groove 6, and the other end of the second spring 7 is fixedly connected with the sealing ring 8.
The working principle of the utility model is as follows:
when the cylinder sleeve 1 is used, the cylinder sleeve 1 is arranged in a cylinder barrel, the purpose of increasing the output function is achieved by expanding the inner diameter of the cylinder sleeve 1, the service life of the cylinder sleeve 1 is prolonged by changing the material of the cylinder sleeve 1 and using the material with higher hardness and better rigidity, the strength of the cylinder sleeve 1 is further improved by forming an isosceles trapezoid on the section between the cooling water cavity part 101 and the fixed sleeve 2, the force acting on the inner wall of the cylinder sleeve 1 can be absorbed by the arranged first spring 3, the cylinder sleeve 1 is prevented from deforming in the using process, a cooling water channel is formed by the arranged cooling water cavity part 101 and the inner wall of the cylinder barrel, the cooling requirement on the cylinder sleeve 1 is met, the sealing performance between the cylinder sleeve 1 and the cylinder barrel is improved by the matched use of the arranged sealing groove 4 and sealing ring 5 structure, the elastic potential energy of the second spring 7 is convenient for driving the sealing ring 8 to be tightly attached to the inner wall of the cylinder barrel, and the sealing effect is further improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (4)
1. The utility model provides a diesel engine cylinder liner, includes cylinder liner (1) and fixed cover (2), its characterized in that, be equipped with cooling water cavity portion (101) on cylinder liner (1), be equipped with a plurality of first springs (3) on cooling water cavity portion (101), first spring (3) other end is equipped with fixed cover (2), both ends and cooling water cavity portion (101) fixed connection about fixed cover (2), be equipped with a plurality of seal grooves (4) on cylinder liner (1), be equipped with sealing washer (5) in seal groove (4).
2. A diesel engine cylinder liner according to claim 1, characterized in that the cross section between the cooling water chamber portion (101) and the stationary sleeve (2) forms an isosceles trapezoid, improving the strength of the cylinder liner (1).
3. A diesel engine cylinder liner according to claim 1, characterized in that the sealing ring (5) is provided with an annular groove (6), the annular groove (6) is slidably connected with the sealing ring (8), and the outer end of the sealing ring (8) is aligned with the sealing ring (5).
4. A diesel engine cylinder liner according to claim 3, characterized in that a second spring (7) is arranged in the annular groove (6), and two ends of the second spring (7) are fixedly connected with the inner wall of the annular groove (6) and the sealing ring (8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322111083.9U CN220395842U (en) | 2023-08-07 | 2023-08-07 | Cylinder sleeve of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322111083.9U CN220395842U (en) | 2023-08-07 | 2023-08-07 | Cylinder sleeve of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220395842U true CN220395842U (en) | 2024-01-26 |
Family
ID=89597204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322111083.9U Active CN220395842U (en) | 2023-08-07 | 2023-08-07 | Cylinder sleeve of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220395842U (en) |
-
2023
- 2023-08-07 CN CN202322111083.9U patent/CN220395842U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220395842U (en) | Cylinder sleeve of diesel engine | |
| CN214787725U (en) | Long-life sealed automobile internal combustion engine piston | |
| CN210240531U (en) | Combined piston top land ring, piston assembly and internal combustion engine | |
| CN215805502U (en) | Sealed hydraulic oil cylinder | |
| CN214742473U (en) | Point contact type ultra-low damping cylinder | |
| CN201025146Y (en) | A body for 2.8L pressure increase middle cooling diesel engine | |
| CN211174365U (en) | Cylinder body structure capable of reducing S deformation of cylinder sleeve | |
| CN211175116U (en) | Clutch working cylinder structure formed by two parts of piston | |
| CN212958885U (en) | Engine piston | |
| CN202690244U (en) | Anti-leakage sealing piston ring | |
| CN211975185U (en) | Piston beneficial to cold start and wear reduction | |
| CN220600301U (en) | Brake piston with noise reduction structure | |
| CN213478503U (en) | Cylinder block of engine, engine and vehicle | |
| CN207813781U (en) | Engine piston ring group | |
| CN216382568U (en) | Y-shaped sealing ring capable of reducing friction resistance | |
| CN216477597U (en) | Wear-resisting piston body of forging | |
| CN213331306U (en) | Piston structure suitable for supercharged direct injection engine | |
| CN210949843U (en) | Piston pin of oil plug structure of bowl-shaped plug piece | |
| CN220668224U (en) | Adjustable shock absorber with axial sealing structure | |
| CN219654785U (en) | Skirt elliptical molded line piston for diesel engine | |
| CN215927988U (en) | Novel oil cylinder capable of increasing starting thrust | |
| CN220248538U (en) | Engineering hydro-cylinder buffer structure | |
| CN215521080U (en) | Plug-in type piston structure | |
| CN213899127U (en) | Piston crown of ionic nitriding | |
| CN2210257Y (en) | High load piston |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |