CN115013200A - Air inlet structure and automobile with same - Google Patents
Air inlet structure and automobile with same Download PDFInfo
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- CN115013200A CN115013200A CN202210675981.4A CN202210675981A CN115013200A CN 115013200 A CN115013200 A CN 115013200A CN 202210675981 A CN202210675981 A CN 202210675981A CN 115013200 A CN115013200 A CN 115013200A
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- air inlet
- air
- air intake
- pressure stabilizing
- connection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention provides an air inlet structure and an automobile with the same, wherein the air inlet structure comprises: the connecting shell is internally provided with a pressure stabilizing cavity; the connecting shell is provided with a first air inlet part, a second air inlet part, a third air inlet part and a fourth air inlet part; air inlet channels communicated with the pressure stabilizing cavity are arranged in the first air inlet part, the second air inlet part, the third air inlet part and the fourth air inlet part; the first air inlet portion, the second air inlet portion, the third air inlet portion and the fourth air inlet portion are sequentially arranged at intervals along the preset direction. The air inlet pipe is arranged on the connecting shell and is provided with an air inlet communicated with the pressure stabilizing cavity; the connecting shell is provided with a first protruding part, and the first protruding part is positioned at one end, far away from the air inlet, of the fourth air inlet part.
Description
Technical Field
The invention relates to an automobile gasoline engine, in particular to an air inlet structure and an automobile with the same.
Background
At present, the existing gasoline engine cylinder cover air inlet channel and air inlet manifold in the automobile are separated and exist as two parts independently. In order to connect the pressure stabilizing cavity and the cylinder head inlet channel, a section of an inlet manifold must be added between the inlet channel and the pressure stabilizing cavity as a transition. With the increasing performance level of gasoline engines and the increasingly strict demand of combustion systems on the intake air flow rate, the improvement of the intake air flow by reducing the flow resistance on the premise of increasing the flow rate becomes a key target of the design of air inlets and air inlet pipelines.
The existing method for improving the air input is to ensure the linear motion of the air inlet flow as much as possible, increase the cross-sectional area of a flow pipeline and shorten the length of the flow pipeline, and integrate an air inlet channel and a pressure stabilizing cavity into a whole so as to effectively achieve the aim of improving the air input. The air inlet channel and the pressure stabilizing cavity are integrated together, so that the flow resistance can be effectively reduced, but the problem of uneven air inlet of each cylinder possibly caused by the fact that a transition pipeline is lost between the air inlet channel and the pressure stabilizing cavity is solved.
Disclosure of Invention
The invention mainly aims to provide an air inlet structure and an automobile with the same, and aims to solve the problem of uneven air inlet of each cylinder caused by the fact that an air inlet channel and a pressure stabilizing cavity of a gasoline engine in the prior art are integrated.
In order to achieve the above object, according to one aspect of the present invention, there is provided an air intake structure including:
the connecting shell is internally provided with a pressure stabilizing cavity; the connecting shell is provided with a first air inlet part, a second air inlet part, a third air inlet part and a fourth air inlet part; air inlet channels communicated with the pressure stabilizing cavity are arranged in the first air inlet part, the second air inlet part, the third air inlet part and the fourth air inlet part; the first air inlet part, the second air inlet part, the third air inlet part and the fourth air inlet part are sequentially arranged at intervals along a preset direction; the air inlet pipe is arranged on the connecting shell and is provided with an air inlet communicated with the pressure stabilizing cavity; the connecting shell is provided with a first protruding portion, and the first protruding portion is located at one end, far away from the air inlet, of the fourth air inlet portion.
Further, the connection housing includes a first connection face and a second connection face connected to each other; the first air inlet part, the second air inlet part, the third air inlet part and the fourth air inlet part are respectively connected with the first connecting surface; the first air inlet portion, the second air inlet portion, the third air inlet portion and the fourth air inlet portion are connected with the second connecting face respectively.
Further, along the preset direction, the shortest distance from the boundary line of the fourth air inlet portion and the first connecting surface and the second connecting surface to one end, far away from the fourth air inlet portion, of the first boss portion is S; wherein the value range of S is 6mm to 8 mm.
Furthermore, a second protruding portion is further arranged on the connecting shell, and the second protruding portion is arranged at one end, far away from the first protruding portion, of the first air inlet portion so as to stop airflow entering the pressure stabilizing cavity from the air inlet through the second protruding portion.
Furthermore, the shortest distance from the boundary line of the first air inlet part and the first connecting surface and the second connecting surface to one end of the second bulge part far away from the first air inlet part is L; wherein the value range of L is 6mm to 8 mm.
Furthermore, the connecting shell comprises a third connecting surface connected with the first connecting surface and a fourth connecting surface connected with the second connecting surface, a voltage stabilizing side surface is arranged between the third connecting surface and the fourth connecting surface, and a voltage stabilizing cavity is enclosed among the first connecting surface, the second connecting surface, the third connecting surface, the fourth connecting surface and the voltage stabilizing side surface.
Furthermore, an air guide surface is arranged between the pressure stabilizing side surface and the first protruding portion, the air guide surface is a sector surface, and the radius of the air guide surface ranges from 40mm to 45 mm.
Furthermore, an installation surface is arranged between the voltage stabilizing side surface and the first connection surface, the air inlet pipe is connected with the installation surface, and the air inlet pipe is connected with the voltage stabilizing side surface; a first transition surface is arranged between the air inlet pipe and the mounting surface, the first transition surface is a sector surface, and the radius of the first transition surface ranges from 20mm to 25 mm.
Furthermore, second transition surfaces are arranged between the first air inlet portion, the second air inlet portion, the third air inlet portion and the fourth air inlet portion and the connecting shell, the second transition surfaces are fan-shaped surfaces, and the radius of each second transition surface ranges from 5mm to 8 mm; and/or the air inlet pipe is of a conical structure, and the included angle between the straight line where the generatrix of the conical structure is located and the straight line where the height of the conical structure is located ranges from 3 degrees to 5 degrees.
According to another aspect of the invention, an automobile is provided, which comprises an air inlet structure, wherein the air inlet structure is the air inlet structure.
By applying the technical scheme of the invention, the air inlet structure comprises: the connecting shell is internally provided with a pressure stabilizing cavity; the connecting shell is provided with a first air inlet part, a second air inlet part, a third air inlet part and a fourth air inlet part; air inlet channels communicated with the pressure stabilizing cavity are arranged in the first air inlet part, the second air inlet part, the third air inlet part and the fourth air inlet part; the first air inlet portion, the second air inlet portion, the third air inlet portion and the fourth air inlet portion are sequentially arranged at intervals along the preset direction. The air inlet pipe is arranged on the connecting shell and is provided with an air inlet communicated with the pressure stabilizing cavity; the connecting shell is provided with a first protruding portion, and the first protruding portion is located at one end, far away from the air inlet, of the fourth air inlet portion. The air flow enters the pressure stabilizing cavity from the air inlet and then respectively flows through the outlets of the air inlet channels along with the opening and closing conditions of the air doors in different cylinders, namely the air inlet channels of the first air inlet part, the second air inlet part, the third air inlet part and the fourth air inlet part and enters the combustion chamber, because the distances from the first air inlet part, the second air inlet part, the third air inlet part and the fourth air inlet part to the air inlet are sequentially increased, and the first bulge part is arranged at one end of the fourth air inlet part, which is far away from the air inlet, the arrangement of the first bulge part can ensure that the pressure stabilizing cavity in the first bulge part stores more air flow, thereby being beneficial to guiding the air flow to enter the air inlet channels far away from the air inlet, leading the air inlet of each air inlet channel to be more balanced and stable, when the air inlet structure does not adjust the air inlet by arranging different air inlet manifolds, the arrangement of the pressure stabilizing cavity achieves the air inlet of different air inlet channels, the problem of among the prior art gasoline engine's intake duct and pressure stabilizing cavity cause when integrated inhomogeneous each jar of admitting air is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 illustrates a front view of an embodiment of an air intake structure according to the present invention;
FIG. 2 illustrates a top view of an embodiment of the air intake structure of the present invention;
FIG. 3 is a schematic view of a connection housing of the air intake structure of the present invention from one perspective;
FIG. 4 is a schematic structural view showing another perspective of the connecting housing of the air intake structure of the present invention;
FIG. 5 is a schematic view of a first lobe of the air intake structure of the present invention;
FIG. 6 is a schematic view of a second lobe of the air intake structure of the present invention;
FIG. 7 is a schematic structural view showing a fourth air intake portion of the air intake structure of the invention;
FIG. 8 is a schematic view showing the structure of an intake pipe of the air intake structure of the invention;
fig. 9 shows a schematic view of the first boss portion of the air intake structure of the present invention.
Wherein the figures include the following reference numerals:
1. an air intake passage; 2. a second transition surface; 3. a fourth air intake portion; 4. a third air intake portion; 5. a second air intake portion; 6. a first air intake portion; 7. a second boss portion; 8. a first transition surface; 9. an air inlet; 10. an air inlet pipe; 11. connecting the shell; 101. a first connection face; 102. a second connection face; 103. a third connection surface; 104. a fourth connection face; 12. a voltage stabilizing side surface; 106. a mounting surface; 13. an air guide surface; 14. a first boss.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 9, the intake structure of the present embodiment includes: the connecting shell 11 is internally provided with a pressure stabilizing cavity; the connecting shell 11 is provided with a first air inlet part 6, a second air inlet part 5, a third air inlet part 4 and a fourth air inlet part 3; an air inlet channel 1 communicated with the pressure stabilizing cavity is arranged in each of the first air inlet part 6, the second air inlet part 5, the third air inlet part 4 and the fourth air inlet part 3; the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 are sequentially arranged at intervals in a preset direction. The air inlet pipe 10 is arranged on the connecting shell 11, and an air inlet 9 communicated with the pressure stabilizing cavity is arranged on the air inlet pipe 10; the connecting shell 11 has a first protruding portion 14, and the first protruding portion 14 is located at an end of the fourth air inlet portion 3 far away from the air inlet 9. The air flow enters a pressure stabilizing cavity from an air inlet 9 and then respectively flows through 4 air inlet outlets along with the opening and closing conditions of the air doors in different cylinders, namely a first air inlet part 6, a second air inlet part 5, a third air inlet part 4 and an air inlet channel 1 of a fourth air inlet part 3 and then enters a combustion chamber, because the distances from the first air inlet part 6, the second air inlet part 5, the third air inlet part 4 and the fourth air inlet part 3 to the air inlet 9 are sequentially increased, and a first bulge part 14 is arranged at one end of the fourth air inlet part 3 far away from the air inlet 9, in this way, the arrangement of the first bulge part 14 can ensure that the pressure stabilizing cavity in the first bulge part 14 stores more air flow, is favorable for guiding the air flow to enter the air inlet channel 1 far away from the air inlet 9, ensures that the air inlet of each air inlet channel 1 is more balanced and stable, and when the air inlet structure does not adjust the air inlet by arranging different air inlet manifolds, through setting up the aforesaid, reached all with admitting air of different inlet channel 1, solved the inhomogeneous problem of each jar air admission that causes when the intake duct of the gasoline engine among the prior art and pressure stabilizing cavity are integrated as an organic whole.
In the air intake structure of the present embodiment, referring to fig. 3, 4, the connection housing 11 includes a first connection face 101 and a second connection face 102 connected to each other; the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 are connected to the first connection surface 101, respectively; the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 are connected to the second connection surface 102, respectively.
In order to achieve better air supply effect, referring to fig. 5, in the air intake structure of the present embodiment, along the preset direction, the shortest distance from the boundary line of the fourth air intake part 3 and the first connection surface 101 and the second connection surface 102 to the end of the first protruding part 14 far away from the fourth air intake part 3 is S; wherein the value range of S is 6mm to 8 mm.
In order to guide the airflow, in the air intake structure of the present embodiment, referring to fig. 1 to 9, a second protruding portion 7 is further disposed on the connecting housing 11, and the second protruding portion 7 is disposed at an end of the first air intake portion 6 away from the first protruding portion 14, so as to stop the airflow entering the plenum from the air intake 9 through the second protruding portion 7.
Referring to fig. 6, in the air intake structure of the present embodiment, the shortest distance from the boundary line of the first air intake portion 6 with the first connection surface 101 and the second connection surface 102 to the end of the second boss portion 7 away from the first air intake portion 6 is L; wherein the value range of L is 6mm to 8 mm. Thus, a better gas supply effect can be achieved.
In the air intake structure of the present embodiment, referring to fig. 3 and 4, the connection housing 11 includes a third connection surface 103 connected to the first connection surface 101 and a fourth connection surface 104 connected to the second connection surface 102, a voltage stabilizing side surface 12 is disposed between the third connection surface 103 and the fourth connection surface 104, and a voltage stabilizing cavity is defined between the first connection surface 101, the second connection surface 102, the third connection surface 103, the fourth connection surface 104, and the voltage stabilizing side surface 12.
In the intake structure of the present embodiment, the angle between the extending direction of the pressure stabilizing side surface 12 and the preset direction is in the range of 25 ° to 35 °.
In the air intake structure of the present embodiment, in order to achieve a better drainage effect, the air guide surface 13 is provided between the pressure stabilizing side surface 12 and the first protruding portion 14, the air guide surface 13 is a sector surface, and the radius of the air guide surface 13 is in a range of 40mm to 45 mm.
Referring to fig. 1 to 9, in the intake structure of the present embodiment, a mounting surface 106 is provided between the pressure stabilizing side surface 12 and the first connection surface 101, the intake pipe 10 is connected to the mounting surface 106, and the intake pipe 10 is connected to the pressure stabilizing side surface 12; a first transition surface 8 is arranged between the air inlet pipe 10 and the mounting surface 106, the first transition surface 8 is a sector surface, and the radius of the first transition surface 8 ranges from 20mm to 25 mm.
In the air intake structure of the present embodiment, referring to fig. 1 to 9, second transition surfaces 2 are respectively provided between the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 and the connecting housing 11, the second transition surfaces 2 are fan-shaped surfaces, and the radius of the second transition surfaces 2 ranges from 5mm to 8 mm; and/or the air inlet pipe 10 is in a conical structure, and the value range of the included angle between the straight line where the generatrix of the conical structure is located and the straight line where the height of the conical structure is located is 3-5 degrees.
The automobile of this embodiment includes air intake structure, and air intake structure is foretell air intake structure.
The first embodiment is as follows:
referring to fig. 5, in the present embodiment, a surge chamber is provided in the connection housing 11; the connecting shell 11 is provided with a first air inlet part 6, a second air inlet part 5, a third air inlet part 4 and a fourth air inlet part 3; an air inlet channel 1 communicated with a pressure stabilizing cavity is arranged in each of the first air inlet part 6, the second air inlet part 5, the third air inlet part 4 and the fourth air inlet part 3; the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 are sequentially arranged at intervals in a preset direction. The air inlet pipe 10 is arranged on the connecting shell 11, and an air inlet 9 communicated with the pressure stabilizing cavity is arranged on the air inlet pipe 10; the connecting shell 11 has a first protruding portion 14, and the first protruding portion 14 is located at an end of the fourth air inlet portion 3 away from the air inlet 9.
The air current gets into the pressure stabilizing cavity from air inlet 9 earlier, and then respectively through 4 inlet channels export along with the opening and the closing condition of the door in different cylinders, first air inlet portion 6, second air inlet portion 5, third air inlet portion 4 and the inlet channel 1 of fourth air inlet portion 3 get into the combustion chamber promptly, because fourth air inlet portion 3 is the farthest away from air inlet 9, the inlet channel 1 of fourth air inlet portion 3 is for other inlet channel 1's difficult air current that obtains. Therefore, the first protruding portion 14 is arranged at one end, far away from the air inlet 9, of the fourth air inlet portion 3, and therefore the arrangement of the first protruding portion 14 enables the pressure stabilizing cavity inside the first protruding portion 14 to store more air flows, so that the air inlet efficiency of the fourth air inlet portion 3 is increased, and the air inlet of the structure is more balanced and stable.
Example two:
referring to fig. 6, in the present embodiment, a second protruding portion 7 is further disposed on the connecting housing 11, and the second protruding portion 7 is disposed at an end of the first air inlet portion 6 away from the first protruding portion 14, so as to stop the airflow entering the pressure stabilizing cavity from the air inlet 9 through the second protruding portion 7.
The air current gets into the pressure stabilizing cavity from air inlet 9 earlier, and then respectively through 4 inlet channels export along with the opening and the closing condition of the door in different cylinders, namely first air inlet 6, second air inlet 5, the inlet channel 1 of third air inlet 4 and fourth air inlet 3 get into the combustion chamber, because first air inlet 6 is nearest apart from air inlet 9, the inlet channel 1 of first air inlet 6 is difficult for obtaining the air current for other inlet channel 1. The second protruding portion 7 is arranged at one end of the first air inlet portion 6 far away from the first protruding portion 14, so that the distance from the first air inlet portion 6 to the air inlet 9 can be increased, and excessive air can not enter the air inlet channel 1 of the first air inlet portion 6.
Example three:
the connection housing 11 includes a third connection surface 103 connected to the first connection surface 101 and a fourth connection surface 104 connected to the second connection surface 102, a voltage stabilizing side surface 12 is disposed between the third connection surface 103 and the fourth connection surface 104, and a voltage stabilizing cavity is defined between the first connection surface 101, the second connection surface 102, the third connection surface 103, the fourth connection surface 104 and the voltage stabilizing side surface 12. The extending direction of the pressure stabilizing side surface 12 is an angle with the predetermined direction, which is in a range of 25 ° to 35 ° and gradually approaches the intake passage 1 in a direction away from the intake port 9.
The air flow enters the pressure stabilizing cavity from the air inlet 9, then respectively flows through 4 air inlet outlets along with the opening and closing conditions of the air doors in different cylinders, i.e., the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3, into the combustion chamber, since the distances from the first air intake part 6, the second air intake part 5, the third air intake part 4 and the fourth air intake part 3 to the air intake 9 are sequentially increased, therefore, the angle between the extending direction of the stabilizing side surface 12 and the predetermined direction ranges from 25 to 35, and gradually approach the air inlet channel 1 along the direction far away from the air inlet 9, so that the air inlet pressure obtained by the first air inlet part 6, the second air inlet part 5, the third air inlet part 4 and the fourth air inlet part 3 can be gradually increased to make up the difference in the arrangement position of the air inlet pressure, and the uniform flow of the air flow is facilitated.
Example four:
the connection housing 11 includes a third connection surface 103 connected to the first connection surface 101 and a fourth connection surface 104 connected to the second connection surface 102, a voltage stabilizing side surface 12 is disposed between the third connection surface 103 and the fourth connection surface 104, and a voltage stabilizing cavity is defined between the first connection surface 101, the second connection surface 102, the third connection surface 103, the fourth connection surface 104 and the voltage stabilizing side surface 12. The connecting shell 11 is further provided with a second protruding portion 7, and the second protruding portion 7 is arranged at one end, far away from the first protruding portion 14, of the first air inlet portion 6, so that air flow entering the pressure stabilizing cavity from the air inlet 9 is stopped through the second protruding portion 7. A mounting surface 106 is arranged between the pressure stabilizing side surface 12 and the first connecting surface 101, the air inlet pipe 10 is connected with the mounting surface 106, and the air inlet pipe 10 is connected with the pressure stabilizing side surface 12; a first transition surface 8 is arranged between the air inlet pipe 10 and the mounting surface 106, the first transition surface 8 is a sector surface, and the radius of the first transition surface 8 ranges from 20mm to 25 mm.
In this embodiment, the first transition surface 8 may be connected with the second boss 7.
The air current gets into the pressure stabilizing cavity from air inlet 9 earlier, again along with the condition of opening and closing of the interior air door of different jars respectively through 4 intake duct exports, first air inlet portion 6 promptly, second air inlet portion 5, the inlet channel 1 of third air inlet portion 4 and fourth air inlet portion 3, get into the combustion chamber, adopt above-mentioned setting for when the air current gets into the pressure stabilizing cavity, the air current can first transition face 8 get into inside the second bellying 7 simultaneously, like this, avoided the air current to produce backward flow phenomenon in the pressure stabilizing cavity, thereby influence the efficiency of admitting air.
Example five:
referring to fig. 2, a pressure stabilizing cavity is arranged in the connecting shell 11; the connecting shell 11 is provided with a first air inlet part 6, a second air inlet part 5, a third air inlet part 4 and a fourth air inlet part 3; an air inlet channel 1 communicated with the pressure stabilizing cavity is arranged in each of the first air inlet part 6, the second air inlet part 5, the third air inlet part 4 and the fourth air inlet part 3; the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 are sequentially arranged at intervals in a preset direction. The air inlet pipe 10 is arranged on the connecting shell 11, and an air inlet 9 communicated with the pressure stabilizing cavity is arranged on the air inlet pipe 10; the connecting shell 11 has a first protruding portion 14, and the first protruding portion 14 is located at an end of the fourth air inlet portion 3 away from the air inlet 9. The connection housing 11 includes a third connection surface 103 connected to the first connection surface 101 and a fourth connection surface 104 connected to the second connection surface 102, a voltage stabilizing side surface 12 is disposed between the third connection surface 103 and the fourth connection surface 104, and a voltage stabilizing cavity is defined between the first connection surface 101, the second connection surface 102, the third connection surface 103, the fourth connection surface 104 and the voltage stabilizing side surface 12. An air guide surface 13 is arranged between the pressure stabilizing side surface 12 and the first protruding part 14, the air guide surface 13 is a fan-shaped surface, and the radius of the air guide surface 13 ranges from 40mm to 45 mm.
The air current gets into the pressure stabilizing cavity from air inlet 9 earlier, and the condition of opening and closing along with the air door in the different cylinders is respectively through 4 inlet duct exports, and first air inlet 6, second air inlet 5, third air inlet 4 and the inlet channel 1 of fourth air inlet 3 get into the combustion chamber promptly, and air guide surface 13 can guide the smooth entering of air current and the inside of first bellying 14, has avoided the appearance of vortex phenomenon.
Example six:
a pressure stabilizing cavity is arranged in the connecting shell 11; the connecting shell 11 is provided with a first air inlet part 6, a second air inlet part 5, a third air inlet part 4 and a fourth air inlet part 3; an air inlet channel 1 communicated with the pressure stabilizing cavity is arranged in each of the first air inlet part 6, the second air inlet part 5, the third air inlet part 4 and the fourth air inlet part 3; the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 are sequentially arranged at intervals in a preset direction. The air inlet pipe 10 is arranged on the connecting shell 11, and an air inlet 9 communicated with the pressure stabilizing cavity is arranged on the air inlet pipe 10; the connecting shell 11 has a first protruding portion 14, and the first protruding portion 14 is located at an end of the fourth air inlet portion 3 far away from the air inlet 9. The first air inlet portion 6, the second air inlet portion 5, the third air inlet portion 4 and the fourth air inlet portion 3 are all provided with a second transition surface 2 between the connecting shell 11, the second transition surface 2 is a sector surface, and the radius value range of the second transition surface 2 is 5mm to 8 mm.
The air current gets into the pressure stabilizing cavity from air inlet 9 earlier, and then respectively through 4 inlet duct exports along with the opening and the closed condition of the door in different jars, first air inlet portion 6 promptly, second air inlet portion 5, the inlet channel 1 of third air inlet portion 4 and fourth air inlet portion 3 gets into the combustion chamber, and the setting of second transition face 2 can make the smooth air current flow from the pressure stabilizing cavity and flow into the inlet channel 1 of first air inlet portion 6, second air inlet portion 5, third air inlet portion 4 and fourth air inlet portion 3, has reduced the disturbance of structure to the air current flow.
Example seven:
referring to fig. 1 and 8, a pressure stabilizing cavity is arranged in the connecting shell 11; the connecting shell 11 is provided with a first air inlet part 6, a second air inlet part 5, a third air inlet part 4 and a fourth air inlet part 3; an air inlet channel 1 communicated with the pressure stabilizing cavity is arranged in each of the first air inlet part 6, the second air inlet part 5, the third air inlet part 4 and the fourth air inlet part 3; the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 are sequentially arranged at intervals in a preset direction. The air inlet pipe 10 is arranged on the connecting shell 11, and an air inlet 9 communicated with the pressure stabilizing cavity is arranged on the air inlet pipe 10; the air inlet pipe 10 is of a conical structure, and the range of an included angle between a straight line where a generatrix of the conical structure is located and a straight line where a height of the conical structure is located is 3-5 degrees.
The air current gets into the pressure stabilizing cavity from air inlet 9 earlier, and then along with the opening and the closing condition of the interior air door of different jars respectively 4 air inlet duct exports of flowing through, the inlet channel 1 of first inlet port 6, second inlet port 5, third inlet port 4 and fourth inlet port 3 promptly, because analog simulation shows that the reduction of centrum to flow resistance and reposition of redundant personnel are evenly superior to the cylinder, therefore above-mentioned setting is favorable to the air current to flow more.
Example eight:
referring to fig. 1 and 8, a pressure stabilizing cavity is arranged in the connecting shell 11; the connecting shell 11 is provided with a first air inlet part 6, a second air inlet part 5, a third air inlet part 4 and a fourth air inlet part 3; an air inlet channel 1 communicated with the pressure stabilizing cavity is arranged in each of the first air inlet part 6, the second air inlet part 5, the third air inlet part 4 and the fourth air inlet part 3; the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 are sequentially arranged at intervals in a preset direction. The air inlet pipe 10 is arranged on the connecting shell 11, and an air inlet 9 communicated with the pressure stabilizing cavity is arranged on the air inlet pipe 10; the pressure stabilizing side surface 12 and the first connection surface 101 have a mounting surface 106 therebetween, the intake pipe 10 is connected to the mounting surface 106, and the intake pipe 10 is connected to the pressure stabilizing side surface 12.
The air current gets into the pressure stabilizing cavity from air inlet 9 earlier, and then respectively through 4 inlet duct exports along with the condition of opening and closing of the door in different jars, first inlet portion 6 promptly, second inlet portion 5, the inlet channel 1 of third inlet portion 4 and fourth inlet portion 3 gets into the combustion chamber, sets up intake pipe 10 and is connected with installation face 106, and intake pipe 10 is connected with steady voltage side 12, is favorable to the adjustment of intake pipe angle more, makes the air current get into the pressure stabilizing cavity with the best angle.
Example nine:
referring to fig. 1 to 9, a pressure stabilizing cavity is arranged in the connecting shell 11; the connecting shell 11 is provided with a first air inlet part 6, a second air inlet part 5, a third air inlet part 4 and a fourth air inlet part 3; an air inlet channel 1 communicated with the pressure stabilizing cavity is arranged in each of the first air inlet part 6, the second air inlet part 5, the third air inlet part 4 and the fourth air inlet part 3; the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 are sequentially arranged at intervals in a preset direction. The air inlet pipe 10 is arranged on the connecting shell 11, and an air inlet 9 communicated with the pressure stabilizing cavity is arranged on the air inlet pipe 10; the connecting shell 11 has a first protruding portion 14, and the first protruding portion 14 is located at an end of the fourth air inlet portion 3 away from the air inlet 9. The connection housing 11 includes a first connection face 101 and a second connection face 102 connected to each other; the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 are connected to the first connection surface 101, respectively; the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 are connected to the second connection surface 102, respectively. The shortest distance from the boundary line of the fourth air inlet portion 3 and the first and second connection surfaces 101 and 102 to the end of the first protruding portion 14 away from the fourth air inlet portion 3 along the preset direction is S; wherein the value range of S is 6mm to 8 mm. The connecting shell 11 is further provided with a second protruding portion 7, and the second protruding portion 7 is arranged at one end, far away from the first protruding portion 14, of the first air inlet portion 6, so that air flow entering the pressure stabilizing cavity from the air inlet 9 is stopped through the second protruding portion 7. The shortest distance from the boundary line of the first air intake part 6 with the first connection surface 101 and the second connection surface 102 to the end of the second boss part 7 away from the first air intake part 6 is L; wherein the value range of L is 6mm to 8 mm. The connection housing 11 includes a third connection surface 103 connected to the first connection surface 101 and a fourth connection surface 104 connected to the second connection surface 102, a voltage stabilizing side surface 12 is disposed between the third connection surface 103 and the fourth connection surface 104, and a voltage stabilizing cavity is defined between the first connection surface 101, the second connection surface 102, the third connection surface 103, the fourth connection surface 104 and the voltage stabilizing side surface 12. An air guide surface 13 is arranged between the pressure stabilizing side surface 12 and the first protruding part 14, the air guide surface 13 is a fan-shaped surface, and the radius of the air guide surface 13 ranges from 40mm to 45 mm. A mounting surface 106 is arranged between the pressure stabilizing side surface 12 and the first connecting surface 101, the air inlet pipe 10 is connected with the mounting surface 106, and the air inlet pipe 10 is connected with the pressure stabilizing side surface 12; a first transition surface 8 is arranged between the air inlet pipe 10 and the mounting surface 106, the first transition surface 8 is a sector surface, and the radius of the first transition surface 8 ranges from 20mm to 25 mm. Second transition surfaces 2 are arranged between the first air inlet portion 6, the second air inlet portion 5, the third air inlet portion 4 and the fourth air inlet portion 3 and the connecting shell 11, the second transition surfaces 2 are fan-shaped surfaces, and the radius of the second transition surfaces 2 ranges from 5mm to 8 mm; the air inlet pipe 10 is of a conical structure, and the range of an included angle between a straight line where a generatrix of the conical structure is located and a straight line where a height of the conical structure is located is 3-5 degrees.
The air current gets into the pressure stabilizing cavity from air inlet 9 earlier, and the condition of opening and closing along with the air door in the different jar respectively flows through 4 inlet duct exports again, and first air inlet 6, second air inlet 5, third air inlet 4 and the inlet channel 1 of fourth air inlet 3 get into the combustion chamber promptly, and air inlet 9 has certain angle with 4 inlet duct exports, can make the air flue export of the department far away from air inlet 9 obtain more air currents, is favorable to improving each jar homogeneity. Before passing through the 4 air inlet passage outlets, the air flow passes through the flow guide effect of the pressure stabilizing cavity second boss 7, the first transition surface 8, the pressure stabilizing side surface 12, the air guide surface 13 and the first boss 14, so that the flow of the air flow entering the four outlets is uniform. The specific air flow diversion mode is as follows: when the airflow passes through the intake passage 1 of the fourth intake portion 3, the airflow enters from the intake port 9 with an angle, and more airflow flows in through the pressure stabilizing side surface 12, the air guide surface 13 and the first protruding portion 14, so that the flow difference between the outlet of the farthest intake passage and the outlets of other intake passages is reduced. Along with the angle change of the pressure stabilizing side surface 12, the gas can uniformly flow into the second air inlet part 5 and the third air inlet part 4; finally, when the airflow reaches the first air inlet part 6, although the angle of the air inlet 9 is not inclined towards the first air inlet part, because the air inlet 9 is close to the air inlet, a higher flow rate can be obtained through the flow guiding effect of the second bulge part 7 and the first transition surface 8 of the pressure stabilizing cavity, and finally the airflow flow rates of the four air passage outlets are uniform. Compared with the traditional structure, the gas flow state is optimized because the gas inlet channel and the gas inlet pressure stabilizing cavity are highly integrated and the structure of the gas inlet manifold is cancelled, the length of the gas inlet channel can be shortened, and the on-way resistance of the gas flow can be reduced. In the aspect of assembly, the highly integrated structure can achieve bolt-free connection, and the convenience of cylinder cover assembly is improved.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the air intake structure of the present invention includes: the connecting shell 11 is internally provided with a pressure stabilizing cavity; the connecting shell 11 is provided with a first air inlet part 6, a second air inlet part 5, a third air inlet part 4 and a fourth air inlet part 3; an air inlet channel 1 communicated with the pressure stabilizing cavity is arranged in each of the first air inlet part 6, the second air inlet part 5, the third air inlet part 4 and the fourth air inlet part 3; the first air intake portion 6, the second air intake portion 5, the third air intake portion 4, and the fourth air intake portion 3 are sequentially arranged at intervals in a preset direction. The air inlet pipe 10 is arranged on the connecting shell 11, and an air inlet 9 communicated with the pressure stabilizing cavity is arranged on the air inlet pipe 10; the connecting shell 11 has a first protruding portion 14, and the first protruding portion 14 is located at an end of the fourth air inlet portion 3 away from the air inlet 9. The air flow enters a pressure stabilizing cavity from an air inlet 9 and then respectively flows through 4 air inlet outlets along with the opening and closing conditions of the air doors in different cylinders, namely a first air inlet part 6, a second air inlet part 5, a third air inlet part 4 and an air inlet channel 1 of a fourth air inlet part 3 and enters a combustion chamber, because the distances from the first air inlet part 6, the second air inlet part 5, the third air inlet part 4 and the fourth air inlet part 3 to the air inlet 9 are sequentially increased, and a first bulge part 14 is arranged at one end of the fourth air inlet part 3 far away from the air inlet 9, in this way, the arrangement of the first bulge part 14 can ensure that the pressure stabilizing cavity in the first bulge part 14 stores more air flow, the air flow is favorably guided to enter the air inlet channel 1 far away from the air inlet 9, the air inlet of each air inlet channel 1 is more balanced and stable, when the air inlet structure does not adjust the air inlet by arranging different air inlet manifolds, through setting up the aforesaid, reached all with admitting air of different inlet channel 1, solved the inhomogeneous problem of each jar air admission that causes when the intake duct of the gasoline engine among the prior art and pressure stabilizing cavity are integrated as an organic whole.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An air intake structure, characterized by comprising:
the connecting shell (11) is internally provided with a pressure stabilizing cavity; the connecting shell (11) is provided with a first air inlet part (6), a second air inlet part (5), a third air inlet part (4) and a fourth air inlet part (3); an air inlet channel (1) communicated with the pressure stabilizing cavity is arranged in each of the first air inlet part (6), the second air inlet part (5), the third air inlet part (4) and the fourth air inlet part (3); the first air inlet part (6), the second air inlet part (5), the third air inlet part (4) and the fourth air inlet part (3) are sequentially arranged at intervals along a preset direction;
the air inlet pipe (10), the air inlet pipe (10) is arranged on the connecting shell (11), and an air inlet (9) communicated with the pressure stabilizing cavity is arranged on the air inlet pipe (10);
the connecting shell (11) is provided with a first protruding portion (14), and the first protruding portion (14) is located at one end, far away from the air inlet (9), of the fourth air inlet portion (3).
2. An air intake structure according to claim 1, wherein the connection housing (11) includes a first connection face (101) and a second connection face (102) connected to each other; the first air intake portion (6), the second air intake portion (5), the third air intake portion (4), and the fourth air intake portion (3) are connected to the first connection surface (101), respectively; the first air intake portion (6), the second air intake portion (5), the third air intake portion (4), and the fourth air intake portion (3) are connected to the second connection surface (102), respectively.
3. An air intake structure according to claim 2, wherein, in the preset direction, a shortest distance from an interface line of the fourth air intake portion (3) with the first connection face (101) and the second connection face (102) to an end of the first boss portion (14) away from the fourth air intake portion (3) is S; wherein the value range of S is 6mm to 8 mm.
4. An air intake structure according to claim 2, wherein a second boss (7) is further provided on the connection housing (11), the second boss (7) being provided at an end of the first air intake portion (6) remote from the first boss (14).
5. An air intake structure according to claim 4, wherein a shortest distance from a boundary line of the first air intake portion (6) with the first connection face (101) and the second connection face (102) to an end of the second boss portion (7) away from the first air intake portion (6) is L; wherein the value range of L is 6mm to 8 mm.
6. The intake structure according to claim 2, wherein the connection housing (11) includes a third connection surface (103) connected to the first connection surface (101) and a fourth connection surface (104) connected to the second connection surface (102), a pressure stabilizing side surface (12) is provided between the third connection surface (103) and the fourth connection surface (104), and the pressure stabilizing cavity is enclosed between the first connection surface (101), the second connection surface (102), the third connection surface (103), the fourth connection surface (104), and the pressure stabilizing side surface (12).
7. The air intake structure according to claim 6, wherein an air guide surface (13) is provided between the pressure stabilizing side surface (12) and the first protruding portion (14), the air guide surface (13) is a sector, and a radius of the air guide surface (13) has a value ranging from 40mm to 45 mm.
8. The intake structure according to claim 6, wherein a mounting surface (106) is provided between the pressure stabilizing side surface (12) and the first connection surface (101), the intake pipe (10) is connected to the mounting surface (106), and the intake pipe (10) is connected to the pressure stabilizing side surface (12); a first transition surface (8) is arranged between the air inlet pipe (10) and the mounting surface (106), the first transition surface (8) is a sector surface, and the radius of the first transition surface (8) ranges from 20mm to 25 mm.
9. The air intake structure according to claim 1,
second transition surfaces (2) are arranged between the first air inlet portion (6), the second air inlet portion (5), the third air inlet portion (4) and the fourth air inlet portion (3) and the connecting shell (11), the second transition surfaces (2) are fan-shaped surfaces, and the radius of each second transition surface (2) ranges from 5mm to 8 mm; and/or the presence of a gas in the gas,
the air inlet pipe (10) is of a conical structure, and the range of an included angle between a straight line where a generatrix of the conical structure is located and a straight line where the height of the conical structure is located is 3-5 degrees.
10. An automobile comprising an air intake structure, characterized in that the air intake structure is the air intake structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210675981.4A CN115013200A (en) | 2022-06-15 | 2022-06-15 | Air inlet structure and automobile with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210675981.4A CN115013200A (en) | 2022-06-15 | 2022-06-15 | Air inlet structure and automobile with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115013200A true CN115013200A (en) | 2022-09-06 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210675981.4A Pending CN115013200A (en) | 2022-06-15 | 2022-06-15 | Air inlet structure and automobile with same |
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| Country | Link |
|---|---|
| CN (1) | CN115013200A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201843712U (en) * | 2010-11-11 | 2011-05-25 | 小康汽车产业（集团）有限公司 | Engine intake manifold |
| CN103925070A (en) * | 2014-05-08 | 2014-07-16 | 安徽江淮汽车股份有限公司 | Intercooler front pipe and air inlet manifold with same |
| CN104100423A (en) * | 2013-04-11 | 2014-10-15 | 广州汽车集团股份有限公司 | Air inlet manifold and automobile engine |
| CN104279093A (en) * | 2014-09-17 | 2015-01-14 | 沈阳航天新光汽车零部件有限公司 | Plastic intake manifold air path for gasoline engine |
| JP2016113970A (en) * | 2014-12-16 | 2016-06-23 | スズキ株式会社 | Intake device of engine |
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2022
- 2022-06-15 CN CN202210675981.4A patent/CN115013200A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201843712U (en) * | 2010-11-11 | 2011-05-25 | 小康汽车产业（集团）有限公司 | Engine intake manifold |
| CN104100423A (en) * | 2013-04-11 | 2014-10-15 | 广州汽车集团股份有限公司 | Air inlet manifold and automobile engine |
| CN103925070A (en) * | 2014-05-08 | 2014-07-16 | 安徽江淮汽车股份有限公司 | Intercooler front pipe and air inlet manifold with same |
| CN104279093A (en) * | 2014-09-17 | 2015-01-14 | 沈阳航天新光汽车零部件有限公司 | Plastic intake manifold air path for gasoline engine |
| JP2016113970A (en) * | 2014-12-16 | 2016-06-23 | スズキ株式会社 | Intake device of engine |
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