CN106321272B - The cylinder block of multi-cylinder diesel engine - Google Patents
The cylinder block of multi-cylinder diesel engine Download PDFInfo
- Publication number
- CN106321272B CN106321272B CN201611033769.9A CN201611033769A CN106321272B CN 106321272 B CN106321272 B CN 106321272B CN 201611033769 A CN201611033769 A CN 201611033769A CN 106321272 B CN106321272 B CN 106321272B
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- water
- cylinder
- cylinder block
- supply line
- partition
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/16—Cylinder liners of wet type
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of cylinder block of multi-cylinder diesel engine, the vertical partition extended from front to back is equipped between the cylinder holes and the outer wall of cylinder block arranged on left and right sides of cylinder block, so that the space between the partition and the outer wall on right side on right side forms water channel, space between the partition and cylinder holes of both sides forms water jacket, the middle part of water channel is equipped with horizontal partition board, forms water-supply line and sewer；The antetheca of cylinder block is equipped with the water-supply line water inlet being connected to water-supply line, and the rear portion of the outer wall on right side is equipped with the water-supply line water outlet being connected to water-supply line；The outer wall on right side is equipped with the sewer water inlet with water passage；The lower part of the partition on right side is equipped with multiple water jacket water inlets；Sluice is equipped between adjacent cylinder holes, and the top surface of cylinder block is equipped with multiple upper water holes being connected to cylinder head.The each cylinder holes of the present invention corresponds to a water jacket water inlet, ensures the flow uniformity of each cylinder cooling water, reinforces the lateral flow of cooling water, it is ensured that the cooling effect of each cylinder.
Description
Technical field
The present invention relates to engine art, more particularly to a kind of cylinder block of multi-cylinder diesel engine.
Background technology
Cylinder block is a most key part of diesel engine, is the main body of engine, it is by each cylinder and song
Axle box is connected, and is the support framework for installing piston, bent axle and other parts and attachment.
Traditional Multi-cylinder diesel engine cylinder body has the characteristics that following：There are one the cooling jackets on the cylinder holes periphery of cylinder block
Water inlet, and cooling water of the water inlet design in the front end or rear end of cylinder block, water jacket integrally flows to as from front to back
Or flow from back to front, flowing to for water is relatively simple, and water jacket is easy there are flow blind angle, and Local cooling effect is poor.Due to cold
Bad cylinder holes is susceptible to thermal deformation, and then leads to the failures such as engine oil consumption height, cylinder holes abrasion, piston scraping.
Being disclosed in the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or imply that the information is constituted in any form.
Invention content
The purpose of the present invention is to provide a kind of cylinder block of multi-cylinder diesel engine, to overcome the cooling of existing cylinder block
It is uneven, the disadvantage of cooling effect difference.
To achieve the above object, the present invention provides a kind of cylinder block of multi-cylinder diesel engine, the cylinder holes and cylinder of cylinder block
The vertical partition extended from front to back is equipped between the outer wall of body arranged on left and right sides so that the partition on right side and the outer wall on right side
Between space form water channel, space between the partition and cylinder holes of both sides forms water jacket, the middle part of water channel be equipped with it is horizontal every
Plate forms water-supply line and sewer；The antetheca of cylinder block is equipped with the water-supply line water inlet being connected to water-supply line, and water-supply line enters water
Mouth is connect with the water outlet of pump part, and the rear portion of the outer wall on right side is equipped with the water-supply line water outlet being connected to water-supply line, upper water
Road water outlet is connect with the water inlet for the oil cooler that rear portion is arranged on the right side of cylinder block；The outer wall on right side is equipped with and lower water
The water outlet of the sewer water inlet of road connection, sewer water inlet and oil cooler connects；The lower part of the partition on right side is set
There are multiple water jacket water inlets, the cylinder holes one-to-one correspondence and and water passage of multiple water jacket water inlets and cylinder block；Adjacent cylinder
Sluice is equipped between hole, and the top surface of cylinder block is equipped with multiple upper water holes being connected to cylinder head.
Preferably, in above-mentioned technical proposal, position corresponding with water jacket water inlet is equipped with plugging hole on the outer wall on right side, blocks up
Installation blocks in consent.
Preferably, in above-mentioned technical proposal, the both sides of the gap location of adjacent cylinder holes form flow blind angle, the partition of both sides
Upper position corresponding with flow blind angle is equipped with the baffle portion protruded to gap.
Preferably, in above-mentioned technical proposal, the lower section of water jacket be equipped with it is multiple penetrate Sha Kou, position corresponding with sand mouth is penetrated on partition
Install it is outwardly convex go out convex ribs.
Preferably, in above-mentioned technical proposal, the distance between the top surface of cylinder block and the top surface of water jacket are 11~15mm, water
The height of set is 0.8~1.2 times of the diameter of cylinder holes.
Preferably, in above-mentioned technical proposal, the height of sluice is 0.3~0.6 times of the diameter of cylinder holes.
Preferably, in above-mentioned technical proposal, water jacket water inlet is oval.
Preferably, in above-mentioned technical proposal, the left and right side of cylinder holes respectively symmetrically sets that there are two on the first of triangle
Water hole is arranged with water hole on two circular second between adjacent cylinder holes, and the rear end of cylinder block is equipped with water hole in third, the
Water hole is rectangle, ellipse or sector on three.
Compared with prior art, the present invention has the advantages that：
The each cylinder holes of the present invention corresponds to a water jacket water inlet, ensures the flow uniformity of each cylinder cooling water, reinforces cooling
The lateral flow of water, it is ensured that the cooling effect of each cylinder；The shape of water jacket water inlet is designed as ellipse, and water jacket water inlet is most
It can may as much as possible increase water inlet sectional area close to water jacket bottom position, can both increase the inflow of each cylinder, while
Help to reduce casting difficulty.
Description of the drawings
Fig. 1 is the right side arrangement schematic diagram of the cylinder block of multi-cylinder diesel engine according to the present invention.
Fig. 2 is the A-A views of Fig. 1.
Fig. 3 is the B-B views of Fig. 2.
Fig. 4 is the C-C views of Fig. 1.
Fig. 5 is the vertical view of the cylinder block of multi-cylinder diesel engine according to the present invention.
Fig. 6 is the E-E views of Fig. 5.
Main appended drawing reference explanation：
1- cylinder block, 2- pump parts, 3- oil cooler, 4- are blocked, and 5- penetrates Sha Kou.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield range is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
As shown in Figures 1 to 6, it is equipped with according to the front end of the cylinder block 1 of the multi-cylinder diesel engine of the specific embodiment of the invention
The right side rear portion of pump part 2, cylinder block 1 is equipped with oil cooler 3 (shown in dotted line).
As shown in Figures 2 and 4, prolong from front to back equipped with vertical between the cylinder holes of cylinder block 1 and the outer wall of its arranged on left and right sides
The partition 114 stretched so that space between the partition 114 and the outer wall on right side on right side forms water channel, the partition of arranged on left and right sides with
Space between cylinder holes is respectively formed left water jacket 108 and right water jacket 107, and the middle part of water channel is equipped with horizontal partition board 115, in formation
Water channel 101 and sewer 102.
As shown in figs. 1 and 3, the antetheca of cylinder block 1 is equipped with the water-supply line water inlet 109 being connected to water-supply line 101, upper water
Road water inlet 109 is connect with the water outlet of pump part 2, and the rear portion of the outer wall on right side is equipped with the upper water being connected to water-supply line 101
Road water outlet 103, water-supply line water outlet 103 are connect with the water inlet of oil cooler 2；The outer wall on right side is equipped with and sewer
The sewer water inlet 104 of 102 connections, sewer water inlet 104 are connect with the water outlet of oil cooler 2.Right side partition
Lower part is equipped with multiple water jacket water inlets 106, and water jacket water inlet is as close to water jacket bottom position, multiple water jacket water inlets 106
It corresponds with the cylinder holes of cylinder block and is connected to sewer 102.
Preferably, water jacket water inlet 106 is oval, and ellipse can accumulate enlarging section as much as possible, can both increase
The inflow of each cylinder, while also contributing to reduce casting difficulty.
The cooling water of pump part 2 enters water-supply line 101 through water-supply line water inlet 109, enters from water-supply line water outlet 103
Oil cooler 2, the cooling water in oil cooler 2 enters sewer 102 through sewer water inlet 104 and forward end flows,
Enter right water jacket 107 from the corresponding water jacket water inlet 106 of each cylinder holes.
Preferably, position corresponding with water jacket water inlet 106 is equipped with plugging hole 105 on the outer wall on right side, in plugging hole 105
The blocking 4 of bowl-type is installed, as shown in Figure 2.Plugging hole plays the role of casting technique hole, when casting cylinder block blank, Ke Yitong
The each water jacket water inlet of plugging hole observe and check is crossed with the presence or absence of casting burr, if there is burr can then utilize tool from stifled
Consent cleans up burr, it is ensured that the actual internal area of water jacket water inlet.Meanwhile plugging hole also plays cleaning sand hole when casting
Effect.It after plugging hole processes, then is blocked with the blocking of bowl-type, prevents leak.
As shown in fig. 6, sluice 116 is equipped between adjacent cylinder holes, between left water jacket 108 and right water jacket 107
Cooling water circulates.After cooling water enters right water jacket 107, flowed from the sluice 116 between the front end of water jacket, rear end or two cylinder holes
Enter 108 region of left water jacket.
Preferably, as seen in figs. 5-6, the distance between the top surface of cylinder block 1 and the top surface of water jacket B are 11~15mm, water
The height L of set is 0.8~1.2 times of the diameter D of cylinder holes.The height H of sluice 116 is 0.3~0.6 times of the diameter D of cylinder holes.
As shown in figure 4, the both sides of the gap location of adjacent cylinder holes form flow blind angle 111 since flow velocity is low, both sides
Position corresponding with flow blind angle 111 is equipped with the baffle portion 110 protruded to the gap of cylinder holes on partition 114, blocks flow, forces
Cooling water passes through from flow blind angle, improves the flow velocity at flow blind angle, improves the uniformity of water flow field and the cooling of water jacket
Effect plays good protective effect to engine.
As shown in figure 4, cylinder block is in process of production, it, be in each cylinder holes week because technique needs when making sand core of water jacket
The water jacket arranged beneath at least four on side penetrates sand mouth 5, i.e., is respectively arranged at least two per the left and right side of cylinder water jacket.It is preferred that
Ground, position corresponding with sand mouth 5 is penetrated is equipped with the semicircular convex ribs 51 outwardly protruded on partition 114, it is ensured that each penetrates Sha Kouchu
There are enough cooling spaces.
As shown in figure 5, the top surface of cylinder block 1 is equipped with multiple upper water holes 200 being connected to cylinder head.Specifically, cylinder holes
Left and right side respectively symmetrically set there are two water hole 201 on first, be arranged with water on two second between adjacent cylinder holes
The rear end in hole 202, cylinder block is equipped with water hole 203 in third.Preferably, water hole 201 is triangle on first, water hole on second
202 be circular, and water hole 203 is rectangle, ellipse or sector in third.
The each cylinder holes of the present invention corresponds to a water jacket water inlet, ensures the flow uniformity of each cylinder cooling water, reinforces cooling
The lateral flow of water, it is ensured that the cooling effect of each cylinder；The shape of water jacket water inlet is designed as ellipse, and water jacket water inlet is most
It can may as much as possible increase water inlet sectional area close to water jacket bottom position, can both increase the inflow of each cylinder, while
Help to reduce casting difficulty.
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the present invention and its actually answering
With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementation schemes and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (6)
1. a kind of cylinder block of multi-cylinder diesel engine, which is characterized in that the cylinder holes of the cylinder block and the cylinder block arranged on left and right sides
Outer wall between be equipped with the vertical partition extended from front to back so that between the partition on right side and the outer wall on right side
Space form water channel, space between the partition and the cylinder holes of both sides forms water jacket, and the middle part of the water channel is equipped with
Horizontal partition board forms water-supply line and sewer；
The antetheca of the cylinder block is equipped with the water-supply line water inlet being connected to the water-supply line, the water-supply line water inlet and water
The water outlet of pump part connects, and the rear portion of the outer wall on right side is equipped with the water-supply line water outlet being connected to the water-supply line, institute
It states water-supply line water outlet and is connect with the water inlet that the oil cooler at rear portion on the right side of the cylinder block is arranged；Right side it is described outer
Wall is equipped with the sewer water inlet with the water passage, the water outlet of the sewer water inlet and the oil cooler
Mouth connection；The lower part of the partition on right side is equipped with multiple water jacket water inlets, the multiple water jacket water inlet and the cylinder block
Cylinder holes correspond and with the water passage；
Between the adjacent cylinder holes be equipped with sluice, and the top surface of the cylinder block be equipped with it is multiple be connected to cylinder head it is upper
Water hole；
Position corresponding with the water jacket water inlet is equipped with plugging hole wherein on the outer wall on right side, is installed in the plugging hole
It blocks；And
The water jacket water inlet is oval.
2. the cylinder block of multi-cylinder diesel engine according to claim 1, which is characterized in that the gap location of the adjacent cylinder holes
Both sides form flow blind angle, position corresponding with the flow blind angle is equipped with to the gap and protrudes on the partition of both sides
Baffle portion.
3. the cylinder block of multi-cylinder diesel engine according to claim 1, which is characterized in that the lower section of the water jacket is equipped with multiple
It penetrates Sha Kou, the convex ribs outwardly protruded is equipped with the corresponding position of sand mouth of penetrating on the partition.
4. the cylinder block of multi-cylinder diesel engine according to claim 1, which is characterized in that the top surface of the cylinder block with it is described
The distance between top surface of water jacket is 11~15mm, and the height of the water jacket is 0.8~1.2 times of the diameter of the cylinder holes.
5. the cylinder block of multi-cylinder diesel engine according to claim 4, which is characterized in that the height of the sluice is described
0.3~0.6 times of the diameter of cylinder holes.
6. the cylinder block of multi-cylinder diesel engine according to claim 1, which is characterized in that the left and right side of the cylinder holes point
It is not arranged with water hole on the first of two triangles, water on two circular second is arranged between the adjacent cylinder holes
The rear end in hole, the cylinder block is equipped with water hole in third, and water hole is rectangle, ellipse or sector in the third.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611033769.9A CN106321272B (en) | 2016-11-08 | 2016-11-08 | The cylinder block of multi-cylinder diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611033769.9A CN106321272B (en) | 2016-11-08 | 2016-11-08 | The cylinder block of multi-cylinder diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106321272A CN106321272A (en) | 2017-01-11 |
| CN106321272B true CN106321272B (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611033769.9A Active CN106321272B (en) | 2016-11-08 | 2016-11-08 | The cylinder block of multi-cylinder diesel engine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057983B (en) * | 2018-09-26 | 2020-01-31 | 潍柴动力股份有限公司 | Engine and engine body thereof |
| CN114837844A (en) * | 2022-06-01 | 2022-08-02 | 江苏常发农业装备股份有限公司 | Cylinder cover and engine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2735012Y (en) * | 2004-08-20 | 2005-10-19 | 扬动股份有限公司 | Cooling water channel of diesel engine cylinder body |
| CN202108603U (en) * | 2011-06-16 | 2012-01-11 | 安徽全柴动力股份有限公司 | Four-cylinder diesel engine body provided with water distribution channel |
| JP2014009621A (en) * | 2012-06-29 | 2014-01-20 | Daihatsu Motor Co Ltd | Liquid-cooled internal combustion engine |
| JP2014206052A (en) * | 2013-04-10 | 2014-10-30 | 株式会社Fts | Spacer for water jacket |
| CN203856594U (en) * | 2014-01-26 | 2014-10-01 | 潍柴动力股份有限公司 | Internal combustion engine, cylinder body thereof and cooling water channel |
| CN103758651B (en) * | 2014-01-26 | 2016-06-08 | 潍柴动力股份有限公司 | A kind of internal combustion engine and cylinder body, cooling water channel |
| CN203742813U (en) * | 2014-03-12 | 2014-07-30 | 无锡华源凯马发动机有限公司 | Split type aluminumalloy cylinder liner of single-cylinder water-cooled diesel engine |
| CN206158869U (en) * | 2016-11-08 | 2017-05-10 | 广西玉柴机器股份有限公司 | Multi -cylinder diesel engine's cylinder block |
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- 2016-11-08 CN CN201611033769.9A patent/CN106321272B/en active Active
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| CN106321272A (en) | 2017-01-11 |
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