CN209800134U - Multifunctional air inlet connecting pipe for diesel engine - Google Patents
Multifunctional air inlet connecting pipe for diesel engine Download PDFInfo
- Publication number
- CN209800134U CN209800134U CN201920658387.8U CN201920658387U CN209800134U CN 209800134 U CN209800134 U CN 209800134U CN 201920658387 U CN201920658387 U CN 201920658387U CN 209800134 U CN209800134 U CN 209800134U
- Authority
- CN
- China
- Prior art keywords
- flange
- connecting pipe
- air inlet
- engine
- inlet connecting
- 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
Abstract
The utility model discloses a diesel engine is with multi-functional takeover that admits air. This diesel engine is with multi-functional takeover that admits air includes: an air inlet connecting pipe body; the cylinder cover flange is arranged at one end of the air inlet connecting pipe body, and the air inlet connecting pipe body is fixedly arranged on the cylinder cover through the cylinder cover flange; the throttle flange is arranged at the other end of the air inlet connecting pipe body; an EGR exhaust gas piping flange; the heater flange is arranged on the same side of the EGR waste gas connecting pipe flange and is coplanar with the EGR waste gas connecting pipe flange; a relay lug; and a temperature sensor lug which is provided with a threaded hole and is positioned at the upstream of the heater flange. The multifunctional air inlet connecting pipe for the diesel engine can realize structural function diversification, is favorable for controlling the flow and the temperature of fresh air required by engine combustion and improving the EGR mixing uniformity of each cylinder of the engine, and effectively improves the combustion and emission performance of the engine.
Description
Technical Field
The utility model relates to an engine field especially is about a diesel engine is with multi-functional takeover that admits air.
Background
The intake connecting pipe is one of key parts for leading the engine ventilation air or the mixture gas into the engine cylinder. At present, the structure function of an air inlet connecting pipe of an engine is single, and the reliability and performance requirements of the engine are continuously improved along with the upgrade of national environmental protection emission regulations, so that the functions and the performance of an air inlet and exhaust system of the engine need to be continuously upgraded. Engine intake temperature and EGR exhaust gas recirculation uniformity have a significant impact on engine combustion and emissions. In order to improve various combustion performances of an engine, meet emission regulation regulations of the national engine and improve market competitiveness of the engine, structural and functional diversified design of an engine air inlet connecting pipe structure is urgently needed at present so as to improve overall comprehensive performance and reliability of the engine.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a diesel engine that simple structure is reasonable is with multi-functional takeover that admits air, this diesel engine is with multi-functional takeover that admits air can realize that structural function is diversified, is favorable to the control to provide the required fresh air's of engine combustion flow and temperature and the EGR that improves each jar of engine mixes the homogeneity, effectively improves engine combustion and emission performance to be favorable to arranging of engine and the cost control of engine production.
In order to achieve the above object, the utility model provides a diesel engine is with multi-functional takeover that admits air, include: an air inlet connecting pipe body; the cylinder cover flange is arranged at one end of the air inlet connecting pipe body, and the air inlet connecting pipe body is fixedly arranged on the cylinder cover through the cylinder cover flange, so that the air inlet connecting pipe can be used for introducing air from the middle of the cylinder cover; the throttle flange is arranged at the other end of the air inlet connecting pipe body and is used for mounting an electronic throttle; the EGR waste gas connecting pipe flange is arranged in the middle of the side face of the air inlet connecting pipe body and used for mounting the EGR waste gas connecting pipe, and a waste gas inlet of the EGR waste gas connecting pipe flange is of a circular structure; the heater flange is arranged on the same side of the EGR waste gas connecting pipe flange, is coplanar with the EGR waste gas connecting pipe flange and is used for mounting a heater; relay lug, it is including lieing in intake take over body both sides: the first relay lug and the second relay lug are used for installing a relay; and the temperature sensor lug is provided with a threaded hole, is positioned at the upstream of the heater flange and is used for mounting the temperature sensor.
in a preferred embodiment, the air inlet connection body is L-shaped.
In a preferred embodiment, the electronic throttle is mounted vertically on the throttle flange.
In a preferred embodiment, the EGR gas connection flange is parallel to the cylinder head flange.
In a preferred embodiment, the flange opening of the heater flange is of a square configuration.
compared with the prior art, according to the utility model discloses a diesel engine is with multi-functional takeover that admits air has following beneficial effect: this diesel engine is with multi-functional takeover of admitting air has the function of heating fresh air and realizing improving EGR mixing uniformity, this diesel engine is with multi-functional takeover of admitting air has the structure function of installation fixed relay, pencil and temperature sensor, the takeover of admitting air can realize that structure function is diversified, be favorable to controlling the flow and the temperature that provide the required fresh air of engine combustion and improve the EGR mixing uniformity of each jar of engine, effectively improve engine burning and emission performance, and be favorable to arranging of engine and the cost control of engine production.
Drawings
fig. 1 is a schematic perspective view of a multifunctional intake pipe for a diesel engine according to a first embodiment of the present invention.
Fig. 2 is a schematic structural view of a multifunctional intake pipe for a diesel engine according to a first embodiment of the present invention.
Fig. 3 is a left side view schematic structure diagram of the multifunctional air inlet connection pipe for the diesel engine according to the first embodiment of the present invention.
fig. 4 is a schematic structural diagram of a diesel engine multifunctional air inlet pipe according to the first embodiment of the present invention.
Fig. 5 is a schematic top view of a multifunctional intake adapter for a diesel engine according to a first embodiment of the present invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
At present, the air inlet connecting pipe of the engine has a single structure and function, and the single structure and function design of the air inlet connecting pipe is difficult to meet the market requirement of the engine along with the continuous improvement of the reliability and performance requirements of the engine and the continuous upgrading of an air inlet and exhaust system of the engine. The requirements on the comprehensive performance and the emission regulation of the engine in the market are continuously improved, wherein the improvement of the reliability and the performance of an air inlet and exhaust system is one of the keys influencing the overall quality performance of the engine, in order to prevent the low air inlet temperature and improve the EGR mixing uniformity of EGR waste gas circulation, the arrangement of the air inlet temperature and the EGR waste gas mixing uniformity of the air inlet system in the air inlet process of the engine is increased, and the influence of the low air inlet temperature and the poor EGR mixing uniformity on the combustion performance and the emission of the engine can be effectively prevented.
As shown in fig. 1 to 5, the multifunctional intake adapter for diesel engine according to the preferred embodiment of the present invention not only can satisfy the heating control of the intake air temperature and the mixing uniformity of the EGR exhaust gas and the fresh air that improves the EGR exhaust gas circulation, but also the relay is installed on the intake adapter to facilitate the engine to arrange compactness and reduce the length and arrangement of the wire harness. Thus. The multifunctional air inlet connecting pipe for the diesel engine is beneficial to improvement of the overall performance of the engine and compactness of the whole engine arrangement, and is beneficial to cost control of the engine. This diesel engine is with concrete structure of multi-functional takeover that admits air includes: the device comprises an air inlet connecting pipe body 1, a cylinder cover flange 2, a throttle valve flange 3, an EGR waste gas connecting pipe flange 4, a heater flange 5, a relay lug, a wire harness fixing lug 6 and a temperature sensor lug 7 which are arranged on the air inlet connecting pipe body 1. This diesel engine is with multi-functional takeover of admitting air can realize multi-functional integration, and the takeover of admitting air passes through flange mounting bolt fixed mounting on organism cylinder cap, and wherein intake pipe and cylinder cap are integrated structure, are favorable to the control to provide the required fresh air's of engine combustion flow and temperature and improve the EGR of each jar of engine and mix the homogeneity, effectively improve engine combustion and emission performance to be favorable to arranging of engine and the cost control of engine production.
Specifically, an air inlet connecting pipe body 1 is integrally cast, a cylinder cover flange 2 is arranged at one end of the air inlet connecting pipe body 1, the air inlet connecting pipe body 1 is fixedly arranged on a cylinder cover through the cylinder cover flange 2, an air inlet pipe and the cylinder cover are of an integrated structure, and the air inlet connecting pipe is used for introducing air from the middle of the cylinder cover, so that the arrangement of an air inlet system of the whole air inlet system is simple and compact; the method is beneficial to controlling and providing the flow and the temperature of the fresh air required by the combustion of the engine, improving the EGR mixing uniformity of each cylinder of the engine and effectively improving the combustion and emission performance of the engine.
Preferably, the intake adapter body 1 is L-shaped.
The throttle flange 3 is arranged at the other end of the air inlet connecting pipe body 1 and used for installing an electronic throttle.
Preferably, the electronic throttle valve is vertically (vertically) mounted on the throttle flange 3, which not only can realize control of the fresh air intake flow of the engine, but also can improve the reliability of the throttle valve.
EGR waste gas flange of taking over 4 lays in the side middle part of the body 1 of taking over of admitting air for installation EGR waste gas takes over, and EGR waste gas flange of taking over 4's waste gas import is circular structure, so that the mixed structure of taking over of installation EGR waste gas.
Preferably, the EGR gas connection flange 4 is parallel to the cylinder head flange 2, i.e. the EGR gas inlet is a face inlet in the inlet connection.
The heater flange 5 is arranged on the same side of the EGR waste gas connecting pipe flange, is coplanar with the EGR waste gas connecting pipe flange and is used for installing a heater. The heater flange 5 for mounting the heater is located in front of the EGR exhaust gas connection flange 4 when viewed from the direction of the fresh air flowing into the engine, and prevents the EGR exhaust gas from adversely affecting the heater.
Preferably, the flange opening of the heater flange 5 is of a square structure and is installed with the heater along with the shape, so that the improvement of the EGR mixing uniformity of each cylinder of the engine and the production and the manufacture of the connecting pipe are facilitated.
the relay lug is including being located the intake and taking over 1 both sides of body: and the first relay lug 8 and the second relay lug 9 are used for installing relays, and can realize the control of the heater and the reduction of the length of a wiring harness. The wire harness is fixed by a wire harness fixing lug 6.
the temperature sensor lug 7 is provided with a threaded hole and is positioned at the upstream of the heater flange 5 and used for installing a temperature sensor, and the temperature sensor is arranged in front of the heater when the fresh air flows into the engine so as to realize the power control of the heater by temperature signal transmission.
In conclusion, the multifunctional air inlet connecting pipe for the diesel engine can realize structural function diversification, is favorable for controlling the flow and the temperature of fresh air required by combustion of the engine and improving the EGR mixing uniformity of each cylinder of the engine, effectively improves the combustion and emission performance of the engine, and is favorable for the arrangement of the engine and the cost control of the production of the engine.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (5)
1. A multifunctional air inlet connecting pipe for a diesel engine is characterized by comprising:
An air inlet connecting pipe body;
The cylinder cover flange is arranged at one end of the air inlet connecting pipe body, and the air inlet connecting pipe body is fixedly arranged on the cylinder cover through the cylinder cover flange, so that the air inlet connecting pipe can be used for introducing air from the middle of the cylinder cover;
the throttle flange is arranged at the other end of the air inlet connecting pipe body and is used for mounting an electronic throttle;
The EGR waste gas connecting pipe flange is arranged in the middle of the side face of the air inlet connecting pipe body and used for mounting the EGR waste gas connecting pipe, and a waste gas inlet of the EGR waste gas connecting pipe flange is of a circular structure;
The heater flange is arranged on the same side of the EGR waste gas connecting pipe flange, is coplanar with the EGR waste gas connecting pipe flange and is used for mounting a heater;
Relay lug, it is including lieing in intake take over body both sides: the first relay lug and the second relay lug are used for installing a relay; and
And the temperature sensor lug is provided with a threaded hole, is positioned at the upstream of the heater flange and is used for mounting a temperature sensor.
2. The multifunctional intake adapter for a diesel engine according to claim 1, wherein the intake adapter body is L-shaped.
3. The multifunctional intake air adapter for diesel engines as set forth in claim 1, wherein said electronic throttle valve is vertically mounted on a throttle flange.
4. The multifunctional intake pipe for a diesel engine as set forth in claim 1, wherein the EGR exhaust gas pipe flange is parallel to the cylinder head flange.
5. A multifunctional intake manifold for a diesel engine as set forth in claim 1, wherein the flange opening of the heater flange has a square configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658387.8U CN209800134U (en) | 2019-05-09 | 2019-05-09 | Multifunctional air inlet connecting pipe for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658387.8U CN209800134U (en) | 2019-05-09 | 2019-05-09 | Multifunctional air inlet connecting pipe for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800134U true CN209800134U (en) | 2019-12-17 |
Family
ID=68832543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920658387.8U Active CN209800134U (en) | 2019-05-09 | 2019-05-09 | Multifunctional air inlet connecting pipe for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107717A (en) * | 2021-05-14 | 2021-07-13 | 宁波福士汽车部件有限公司 | Automobile EGR heat exchange pipeline |
-
2019
- 2019-05-09 CN CN201920658387.8U patent/CN209800134U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107717A (en) * | 2021-05-14 | 2021-07-13 | 宁波福士汽车部件有限公司 | Automobile EGR heat exchange pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103321782B (en) | A kind of dual-fuel conversion system | |
| US6076499A (en) | Intake system of a multi-cylinder internal combustion engine with exhaust gas recirculation | |
| EP1906000A3 (en) | Exhaust gas recirculation system for gasoline engines | |
| CN209800134U (en) | Multifunctional air inlet connecting pipe for diesel engine | |
| CN109826730B (en) | Automobile and air inlet device thereof | |
| US8763592B2 (en) | EGR valve assembly for internal combustion engines | |
| CN103184955B (en) | Novel and efficient automobile energy-saving and emission reduction device-oxygen adding optimized air-fuel ratio device | |
| CN102536547A (en) | Engine intake manifold with exhaust gas recirculation (EGR) exhaust gas distribution structure | |
| CN102155321B (en) | Automobile tail gas purification composite electronic control device | |
| CN201851238U (en) | Aluminum induction manifold for 2.0L gasoline engine | |
| CN202611934U (en) | Air inlet connecting pipe of engine exhaust gas recirculation (EGR) system | |
| CN203308609U (en) | Exhaust gas recirculation system of engine | |
| US3273161A (en) | Fuel economizer and exhaust gas purifier device | |
| CN200946538Y (en) | Oil-saving environment-friendly device | |
| CN108317023B (en) | EGR mixing device | |
| CN203009103U (en) | Exhaust gas distributing mechanism for exhaust gas recirculation system of diesel engine | |
| JPH051818U (en) | Exhaust gas purification device | |
| CN204827698U (en) | Petrol engine and cylinder cap thereof | |
| CN102953855B (en) | Automotive auxiliary electronic control fuel economizer | |
| CN203296966U (en) | Separate EGR (exhaust gas recirculation) system of diesel engine | |
| CN214092042U (en) | Methanol engine gasoline auxiliary cold start fuel supply system | |
| CN202165167U (en) | Automobile tail gas purification compound electronic control apparatus | |
| CN205064129U (en) | EGR air intake system | |
| CN217440181U (en) | Double-spraying type hydrogen internal combustion engine injector | |
| CN219492430U (en) | EGR mixing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |