CN110425053A - Cylinder head and cylinder - Google Patents
Cylinder head and cylinder Download PDFInfo
- Publication number
- CN110425053A CN110425053A CN201910921031.3A CN201910921031A CN110425053A CN 110425053 A CN110425053 A CN 110425053A CN 201910921031 A CN201910921031 A CN 201910921031A CN 110425053 A CN110425053 A CN 110425053A
- Authority
- CN
- China
- Prior art keywords
- exhaust duct
- ontology
- cylinder head
- wall
- thermal insulator
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
-
- 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
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads 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
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4264—Shape or arrangement of intake or exhaust channels in cylinder heads of exhaust channels
- F02F1/4271—Shape or arrangement of intake or exhaust channels in cylinder heads of exhaust channels with an exhaust liner
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention belongs to technical field of engines, more particularly to a kind of cylinder head and cylinder, the cylinder head includes cylinder head ontology and thermal insulator, exhaust duct and cooling chamber are provided in cylinder head ontology, exhaust duct is arranged independently of one another with cooling chamber, thermal insulator is arranged in exhaust duct, and it is arranged to reduce the heat loss in exhaust duct, the both ends of thermal insulator, which are limited with exhaust duct, to be cooperated, and cavity is formed between the outer wall of thermal insulator and the inner wall of exhaust duct, the interior walls be smooth transition of the inner wall and exhaust duct of ontology, increase a thermal insulator in exhaust duct, the heat in exhaust duct is avoided to be directly delivered in cooling chamber, reduce heat loss, promote the efficiency of booster, and then improve the thermal efficiency of engine.
Description
Technical field
The invention belongs to technical field of engines, and in particular to a kind of cylinder head and cylinder.
Background technique
What this part provided is only background information relevant to the disclosure, is not necessarily the prior art.
In the cylinder head of existing structure engine, when exhaust is by exhaust duct, exhaust is by exhaust duct wall directly by heat
It has been transmitted to coolant liquid, has reduced the energy of the exhaust of engine, for wishing that the high engine of row's temperature is unfavorable, has influenced booster
Efficiency.
Summary of the invention
The purpose of the present invention is at least solve the problems, such as that the heat loss in exhaust duct is more.The purpose is by following technology
What scheme was realized:
The first aspect of the present invention proposes a kind of cylinder head, including cylinder head ontology and thermal insulator, in the cylinder head ontology
It is provided with exhaust duct and cooling chamber, the exhaust duct is arranged independently of one another with the cooling chamber, and the thermal insulator is arranged described
In exhaust duct, and it is arranged to reduce the heat loss in the exhaust duct, the both ends of the thermal insulator are limited with the exhaust duct
Position cooperation, and forms cavity between the outer wall of the thermal insulator and the inner wall of the exhaust duct, the inner wall of the ontology with it is described
The interior walls be smooth transition of exhaust duct.
Cylinder head according to an embodiment of the present invention increases a thermal insulator in exhaust duct, avoids the heat in exhaust duct
It is directly delivered in cooling chamber, the both ends of thermal insulator, which are limited with the exhaust duct, to be cooperated, and the outer wall and exhaust duct of thermal insulator
Inner wall between form cavity structure, avoid the heat in exhaust duct from being directly delivered in cooling chamber by cavity, reduce heat
It scatters and disappears, promotes the efficiency of booster, and then improve the thermal efficiency of engine, the inner wall of ontology and the interior walls be smooth mistake of exhaust duct
It crosses, the collision for reducing gas and exhaust duct or ontology generates turbulent flow.
In some embodiments of the invention, the thermal insulator includes:
Ontology forms the cavity between the outer wall of the ontology and the inner wall of the exhaust duct；
The inner wall of one end of the ontology and the exhaust duct, which limits, to be cooperated, and the other end of the ontology, which extends outward to form, to be turned over
Side, the flange and the cylinder head ontology are clamped.
In some embodiments of the invention, the inner wall depression of the exhaust duct forms limiting slot；
The slot bottom of the limiting slot and ontology limit cooperate.
In some embodiments of the invention, filled with gas in the cavity.
The second aspect of the present invention proposes a kind of cylinder, including cylinder described in shell and above-mentioned any one embodiment
Lid.
Cylinder according to an embodiment of the present invention and above-mentioned cylinder head advantage having the same, details are not described herein.
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 to the present invention
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 cross-sectional view of the cylinder head of the embodiment of the present invention；
Fig. 2 is the partial enlarged view at A shown in FIG. 1.
Respectively label is expressed as follows in attached drawing:
1, cylinder head ontology；11, exhaust duct；12, cooling chamber；13, limiting slot；
2, thermal insulator；21, ontology；22, flange；
3, cavity.
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.
As Figure 1-Figure 2, cylinder head according to an embodiment of the invention, including cylinder head ontology 1 and thermal insulator 2,
Exhaust duct 11 and cooling chamber 12 are provided in cylinder head ontology 1, exhaust duct 11 and cooling chamber 12 are arranged independently of one another, thermal insulator 2
It is arranged in exhaust duct 1, and is arranged to reduce the heat loss in exhaust duct 1, the both ends of thermal insulator 2 is limited with exhaust duct 1
Cooperation, and cavity 3 is formed between the outer wall of thermal insulator 2 and the inner wall of exhaust duct 1, the inner wall of ontology 21 and the inner wall of exhaust duct 11
Smooth transition.
Cylinder head according to an embodiment of the present invention increases a thermal insulator 2 in exhaust duct 11, avoids in exhaust duct 11
Heat is directly delivered in cooling chamber 12, and the both ends of thermal insulator 2, which are limited with the exhaust duct, to be cooperated, and the outer wall of thermal insulator 2
3 structure of cavity is formed between the inner wall of exhaust duct 11, avoids the heat in exhaust duct 11 from being directly delivered to cooling by cavity 3
In chamber 12, reduce heat loss, promotes the efficiency of booster, and then improve the thermal efficiency of engine, the inner wall of ontology 21 and row
The interior walls be smooth transition of air flue 11, the collision for reducing gas and exhaust duct 11 or ontology 21 generate turbulent flow.
In some embodiments of the invention, thermal insulator 2 includes ontology 21 and flange 22, the outer wall and exhaust duct of ontology 21
Cavity 3 is formed between 11 inner wall, i.e. the circumferential direction of exhaust duct 11 is provided with 3 structure of cavity, reduces heat in circumferential direction
It scatters and disappears, flange 22 is connected on one end of ontology 21, and is connected and fixed with cylinder head ontology 1, the inner wall depression shape of exhaust duct 11
At limiting slot 13, the other end and limiting slot 13 limit of ontology 21 cooperate, and thermal insulator 2 can be prevented in exhaust duct 11 after both ends are fixed
Middle shaking avoids damage to the inner wall of exhaust duct 11.
Wherein, it may be configured as being detachably connected between thermal insulator 2 and cylinder head ontology 1, it is convenient that maintenance replacement is carried out to it,
May be alternatively provided as with 1 integral structure of cylinder head ontology, for connection type, it is not limited here.
In some embodiments of the invention, filled with gas in cavity 3, gas can further function as heat-insulated effect, subtract
Heat loss in few exhaust duct 11, in one embodiment, gas can be inert gas, nitrogen or carbon dioxide etc..
Cylinder according to an embodiment of the invention, the cylinder head including above-described embodiment.
Cylinder according to an embodiment of the present invention and above-mentioned cylinder head advantage having the same, details are not described herein.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (5)
1. a kind of cylinder head characterized by comprising
Cylinder head ontology, is provided with exhaust duct and cooling chamber in the cylinder head ontology, the exhaust duct and the cooling chamber that
This is independently arranged；
Thermal insulator, the thermal insulator is arranged in the exhaust duct, and is arranged to reduce the heat loss in the exhaust duct, institute
The both ends for stating thermal insulator, which are limited with the exhaust duct, to be cooperated, and between the outer wall of the thermal insulator and the inner wall of the exhaust duct
Form cavity；
The interior walls be smooth transition of the inner wall of the ontology and the exhaust duct.
2. cylinder head according to claim 1, which is characterized in that the thermal insulator includes:
Ontology forms the cavity between the outer wall of the ontology and the inner wall of the exhaust duct；
The inner wall of one end of the ontology and the exhaust duct, which limits, to be cooperated, and the other end of the ontology, which extends outward to form, to be turned over
Side, the flange and the cylinder head ontology are clamped.
3. cylinder head according to claim 1, which is characterized in that the inner wall depression of the exhaust duct forms limiting slot；
The slot bottom of the limiting slot and ontology limit cooperate.
4. cylinder head according to claim 1, which is characterized in that filled with gas in the cavity.
5. a kind of cylinder, which is characterized in that including cylinder head described in shell and Claims 1-4 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910921031.3A CN110425053A (en) | 2019-09-27 | 2019-09-27 | Cylinder head and cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910921031.3A CN110425053A (en) | 2019-09-27 | 2019-09-27 | Cylinder head and cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110425053A true CN110425053A (en) | 2019-11-08 |
Family
ID=68419082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910921031.3A Pending CN110425053A (en) | 2019-09-27 | 2019-09-27 | Cylinder head and cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110425053A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610321A (en) * | 2020-12-09 | 2021-04-06 | 一汽解放汽车有限公司 | Engine exhaust passage heat insulation device and vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52137525A (en) * | 1976-05-12 | 1977-11-17 | Fuji Heavy Ind Ltd | Preparation of exhaust port linear of internal combustion engine |
| US4089163A (en) * | 1975-04-22 | 1978-05-16 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust port liner for engine |
| JPS60227963A (en) * | 1984-04-25 | 1985-11-13 | Isuzu Motors Ltd | Production of insert-casting boat |
| DE3804796A1 (en) * | 1988-02-16 | 1989-07-27 | Bayerische Motoren Werke Ag | Cylinder head for piston engines |
| DE19621987A1 (en) * | 1996-06-03 | 1997-12-04 | Eckel Gmbh & Co Kg Heinrich | Cylinder head for IC-engine |
| JP2003286897A (en) * | 2002-03-28 | 2003-10-10 | Hino Motors Ltd | Heat insulating port |
| CN105971758A (en) * | 2015-03-11 | 2016-09-28 | 熵零股份有限公司 | Cylinder cover structure of cryogenic air inlet type engine |
| CN107975439A (en) * | 2016-10-25 | 2018-05-01 | 曼卡车和巴士股份公司 | The cylinder head with the exhaust manifold through connection of internal combustion engine |
| CN109184936A (en) * | 2018-10-29 | 2019-01-11 | 天津中恒动力研究院有限公司 | exhaust structure and engine |
-
2019
- 2019-09-27 CN CN201910921031.3A patent/CN110425053A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089163A (en) * | 1975-04-22 | 1978-05-16 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust port liner for engine |
| JPS52137525A (en) * | 1976-05-12 | 1977-11-17 | Fuji Heavy Ind Ltd | Preparation of exhaust port linear of internal combustion engine |
| JPS60227963A (en) * | 1984-04-25 | 1985-11-13 | Isuzu Motors Ltd | Production of insert-casting boat |
| DE3804796A1 (en) * | 1988-02-16 | 1989-07-27 | Bayerische Motoren Werke Ag | Cylinder head for piston engines |
| DE19621987A1 (en) * | 1996-06-03 | 1997-12-04 | Eckel Gmbh & Co Kg Heinrich | Cylinder head for IC-engine |
| JP2003286897A (en) * | 2002-03-28 | 2003-10-10 | Hino Motors Ltd | Heat insulating port |
| CN105971758A (en) * | 2015-03-11 | 2016-09-28 | 熵零股份有限公司 | Cylinder cover structure of cryogenic air inlet type engine |
| CN107975439A (en) * | 2016-10-25 | 2018-05-01 | 曼卡车和巴士股份公司 | The cylinder head with the exhaust manifold through connection of internal combustion engine |
| CN109184936A (en) * | 2018-10-29 | 2019-01-11 | 天津中恒动力研究院有限公司 | exhaust structure and engine |
Non-Patent Citations (3)
| Title |
|---|
| 何志成: "《化工原理》", 31 August 2015, 中国医药科技出版社 * |
| 李恒德: "《现代材料科学与工程辞典》", 31 August 2001, 山东科学技术出版社 * |
| 裴丽娜等: "《建筑识图与房屋构造》", 30 September 2013, 北京理工大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610321A (en) * | 2020-12-09 | 2021-04-06 | 一汽解放汽车有限公司 | Engine exhaust passage heat insulation device and vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191108 |