CN208281030U - flange - Google Patents

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Publication number
CN208281030U
CN208281030U CN201820723569.4U CN201820723569U CN208281030U CN 208281030 U CN208281030 U CN 208281030U CN 201820723569 U CN201820723569 U CN 201820723569U CN 208281030 U CN208281030 U CN 208281030U
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CN
China
Prior art keywords
guiding region
hole
face
deflector
flange
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Active
Application number
CN201820723569.4U
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Chinese (zh)
Inventor
黄兴来
曾志新
袁果
郭俊杰
黄居孟
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Guangzhou Automobile Group Co Ltd
Original Assignee
Guangzhou Automobile Group Co Ltd
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Priority to CN201820723569.4U priority Critical patent/CN208281030U/en
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Publication of CN208281030U publication Critical patent/CN208281030U/en
Active legal-status Critical Current
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Abstract

The utility model belongs to automobile exhaust system technical field, is related to a kind of flange.The flange includes flange body, the first deflector and the second deflector, and water conservancy diversion through-hole is formed in the middle part of the flange body, and first deflector, which is equipped with, shunts through-hole;First deflector and the second deflector are fixed on the inner wall of the water conservancy diversion through-hole so that the water conservancy diversion through-hole is divided into the first guiding region, second guiding region and third guiding region, the shunting through-hole is connected between first guiding region and the second guiding region, the face area of the inlet end of first guiding region is greater than the face area of the outlet side of first guiding region, the face area of the inlet end of second guiding region is less than the face area of the outlet side of second guiding region, the face area of the inlet end of the third guiding region is less than the face area of the outlet side of the third guiding region.The flange can effectively improve the uniformity of catalyst converter inlet air flow, reduce air-flow eccentricity, cost is relatively low.

Description

Flange
Technical field
The utility model belongs to automobile exhaust system technical field, more particularly to a kind of flange.
Background technique
Automobile exhaust system is the important component of automobile, and exhaust system discharge exhaust gas needs simultaneously will be harmful in tail gas Gas (oxynitrides, hydrocarbon and carbon monoxide) conversion innocuous gas as much as possible, to meet national exhaust method Rule require, and environmental pollution contribution is reduced to minimum.Now as the whole world is more and more stronger to environmental protection consciousness, national legislation is to vapour Vehicle emission request was originally tighter, it is desirable that the catalyst converter of exhaust system has good catalyzed conversion ability, to reach environmental protection Purpose.
Turbocharged engine is as a kind of engine for being equipped with turbocharger, because its turbocharger being equipped with can have Effect improves air input of engine by air, to improve the output power and torque of engine, and make turbocharged engine gradually by It is universal.When turbocharged engine works, the gas flow of the turbine outflow of turbocharger will be flow to catalysis by exhaust pipe Device.But when gas flow is flow in exhaust pipe, the air-flow in exhaust pipe often occur local location flow velocity it is higher and The larger phenomenon of flow, the maximum speed eccentricity larger (being greater than 0.7) and air-flow when air-flow being caused to enter catalyst converter front end are equal Even property is smaller (less than 0.9), this will bring serious negative effect to the service life of catalyst converter, while make the catalysis of catalyst converter Transformation efficiency is lower, and leads to the deterioration of emission of vehicle, and environmental pollution aggravates.
By adding flange between turbine and exhaust pipe in existing small part vehicle, to improve catalyst converter inlet air flow Uniformity reduces air-flow eccentricity.As depicted in figs. 1 and 2, existing flange includes flange body 1a and blade 2a, flange sheet Surrounding on body 1a is provided with mounting hole 3a, and flange body 1a medium position is provided with air inlet 4a, and above-mentioned blade 2a is sector, Multiple blade 2a are evenly distributed in air inlet 4a inner circumferential.After air-flow enters flange along air inlet 4a, impact in blade On 2a, due to the guide functions of blade 2a, air-flow can be oriented to the sparse position of air-flow from the position in flow set, make air-flow It is sufficiently mixed after flowing through flange, achievees the purpose that improve catalyst converter inlet air flow uniformity and reduces air-flow eccentricity.But it should The blade quantity that the flange of kind structure uses is more, and blade is curved surface and blade and flange is integral type, carries out machine after need to casting again Processing is just plastic, manufacturing process complexity and higher cost, this makes the application of this kind of flange be difficult to popularize.
Utility model content
The technical problem to be solved by the utility model is to and higher cost complicated for the manufacturing process of existing flange The technical issues of, a kind of flange is provided.
In order to solve the above technical problems, the utility model embodiment provides a kind of flange, including flange body, first lead Flowing plate and the second deflector are formed with water conservancy diversion through-hole in the middle part of the flange body, and first deflector, which is equipped with, to be shunted Through-hole;
First deflector and the second deflector are fixed on the inner wall of the water conservancy diversion through-hole with by the water conservancy diversion through-hole It is divided into the first guiding region, the second guiding region and third guiding region, the shunting through-hole is connected to first guiding region and Between two guiding regions, the face area of the inlet end of first guiding region is greater than the end face of the outlet side of first guiding region Area, the face area of the inlet end of second guiding region are less than the face area of the outlet side of second guiding region, institute State the inlet end of third guiding region face area be less than the third guiding region outlet side face area.
According to the flange of the utility model embodiment, it is formed with water conservancy diversion through-hole in the middle part of flange body, on the first deflector Equipped with shunting through-hole, the first deflector and the second deflector are fixed on the inner wall of water conservancy diversion through-hole so that water conservancy diversion through-hole is divided into the One guiding region, the second guiding region and third guiding region, shunting through-hole can make the air-flow fraction in the first guiding region flow into second In guiding region, to be depressurized to the first guiding region interior air-flow, avoid because using the first deflector that biggish back pressure is brought to be led The additional engine power loss caused.By the first guiding region, the second guiding region and third guiding region along sparse air-flow to intensive The direction of air-flow is placed and is fixed, and when air-flow flows into flange, the air-flow for flowing into the inlet end of water conservancy diversion through-hole separately flows into first Guiding region, the second guiding region and third guiding region.The face area of the inlet end of first guiding region is greater than going out for the first guiding region The face area at gas end, the face area of the inlet end of the second guiding region less than the outlet side of the second guiding region face area, The face area of the inlet end of third guiding region is less than the face area of the outlet side of third guiding region, makes to flow into the first guiding region Sparse air-flow concentration improve, and make by the second guiding region inlet end flow into the second guiding region mass flow it is close The concentration of the mass flow of collection degree and inflow third guiding region reduces, to effectively improve catalyst converter inlet air flow Uniformity reduces air-flow eccentricity, while promoting the service life and catalytic conversion efficiency of catalyst converter, reduces environmental pressure.This Outside, the flange of the utility model embodiment is simple to manufacture, and cost is relatively low.
Optionally, the central axes of the water conservancy diversion through-hole pass through the center for shunting through-hole.
Optionally, the end face of the inlet end of first guiding region, the end face of the inlet end of the second guiding region and third are led The end face for flowing the inlet end in area is coplanar with the end face of inlet end of the water conservancy diversion through-hole, the end of the outlet side of first guiding region Face, the second guiding region outlet side end face and third guiding region outlet side end face and the water conservancy diversion through-hole outlet side End face is coplanar.
Optionally, the face area of the inlet end of first guiding region is greater than the end of the inlet end of second guiding region The face area of the summation of the face area of face area and the inlet end of third guiding region, the inlet end of second guiding region is big In the face area of the inlet end of the third guiding region, the face area of the outlet side of second guiding region is greater than described the The face area of the face area of the outlet side of one guiding region, the outlet side of first guiding region is greater than the third guiding region Outlet side face area.
Optionally, the flange further includes third deflector, and the third deflector is fixed on the interior of the water conservancy diversion through-hole On wall and it is located in second guiding region, second guiding region is divided into and shunts proparea, first by the third deflector Shunting zone and the second shunting zone, it is described shunt proparea be formed in second guiding region inlet end end face with described first point It flows between the end face of the inlet end in area and the end face of the inlet end of second shunting zone, first shunting zone and second shunts Area is connected to the shunting proparea respectively, and the shunting through-hole is connected between first guiding region and the first shunting zone, institute State the outlet side of the end face and water conservancy diversion through-hole of the end face of the outlet side of the first shunting zone and the outlet side of the second shunting zone End face is coplanar.
Optionally, the flange body includes flange mounting plate and connecting tube, and one end of the connecting tube is welded on institute It states on a side end face of flange mounting plate, the flange mounting plate is equipped with first through hole, and it is logical to be equipped with second in the connecting tube Hole, the first through hole and the second through-hole axially connect to form the water conservancy diversion through-hole.
Optionally, the third deflector is integrally located in second through-hole.
Optionally, the flange mounting plate is hexagonal structure, and the flange mounting plate is equipped with flange mounting hole.
Optionally, the flange mounting plate with a thickness of 6mm-12mm, the tube wall of the connecting tube with a thickness of 1mm- 2mm。
Optionally, first deflector with a thickness of 1mm-2mm, second deflector with a thickness of 1mm-2mm, institute State third deflector with a thickness of 1mm-2mm.
Detailed description of the invention
Fig. 1 is the schematic diagram of flange in the prior art;
Fig. 2 is the sectional view in Fig. 1 at A-A;
Fig. 3 is the schematic diagram for the flange that an embodiment of the present invention provides;
Fig. 4 is the top view for the flange that an embodiment of the present invention provides;
Fig. 5 is the sectional view in Fig. 4 at B-B;
Fig. 6 is the working principle diagram for the flange that an embodiment of the present invention provides.
Appended drawing reference in specification is as follows:
1, flange body;101, water conservancy diversion through-hole;1011, the end face of inlet end;1012, the end face of outlet side;102, flange Mounting plate;1021, first through hole;1022, flange mounting hole;103, connecting tube;1031, the second through-hole;
2, the first deflector;201, through-hole is shunted;
3, the second deflector;
4, third deflector;
5, the first guiding region;
6, the second guiding region;601, proparea is shunted;602, the first shunting zone;603, the second shunting zone;
7, third guiding region.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below In conjunction with accompanying drawings and embodiments, the utility model is described in further detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.
As shown in Figures 3 to 6, the flange that an embodiment of the present invention provides, including flange body 1, the first deflector 2 And second deflector 3, the middle part of the flange body 1 are formed with water conservancy diversion through-hole 101, first deflector 2 is equipped with point Recirculation hole 201.
First deflector 2 and the second deflector 3 are fixed on the inner wall of the water conservancy diversion through-hole 101 with by the water conservancy diversion Through-hole 101 is divided into the first guiding region 5, the second guiding region 6 and third guiding region 7, and the shunting through-hole 201 is connected to described Between one guiding region 5 and the second guiding region 6, the face area of the inlet end of first guiding region 5 is greater than first water conservancy diversion The face area of the face area of the outlet side in area 5, the inlet end of second guiding region 6 is less than second guiding region 6 The face area of outlet side, the face area of the inlet end of the third guiding region 7 are less than the outlet side of the third guiding region 7 Face area.
According to the flange of the utility model embodiment, the middle part of the flange body 1 is formed with water conservancy diversion through-hole 101, described First deflector 2, which is equipped with, shunts through-hole 201, and first deflector 2 and the second deflector 3 are fixed on the water conservancy diversion through-hole It is described the water conservancy diversion through-hole 101 is divided into the first guiding region 5, the second guiding region 6 and third guiding region 7 on 101 inner wall Shunting through-hole 201 can be such that the air-flow fraction in first guiding region 5 flows into the second guiding region 6, to lead to described first Stream 5 interior air-flow of area is depressurized, and is avoided because of the additional engine function caused by using the first deflector 2 to bring biggish back pressure Rate loss.
By first guiding region 5, the second guiding region 6 and third guiding region 7 along the direction of sparse air-flow to mass flow It places and fixes, when air-flow flows into flange, the air-flow for flowing into the inlet end of the water conservancy diversion through-hole 101 will separately flow into described the One guiding region 5, the second guiding region 6 and third guiding region 7, first deflector 2 and the second deflector 3 will divide air-flow Stream.The face area of the inlet end of first guiding region 5 is greater than the face area of the outlet side of first guiding region 5, institute State the inlet end of the second guiding region 6 face area be less than second guiding region 6 outlet side face area, the third The face area of the inlet end of guiding region 7 is less than the face area of the outlet side of the third guiding region 7, makes to flow into described first The concentration of the sparse air-flow of guiding region 5 improves, and makes to flow into second water conservancy diversion by the inlet end of second guiding region 6 The concentration of the mass flow of the concentration and inflow third guiding region 7 of the mass flow in area 6 reduces, to have Effect improves the uniformity of catalyst converter inlet air flow, reduces air-flow eccentricity, while promoting the service life and catalysis turn of catalyst converter Change efficiency, reduces environmental pressure.In addition, the flange of the utility model embodiment is simple to manufacture, cost is relatively low.
In one embodiment, as shown in figure 4, the central axes of the water conservancy diversion through-hole 101 pass through in the shunting through-hole 201 The heart guarantees that the back pressure of flange is reasonable by the optimization design to the aperture for shunting through-hole 201, avoids because using described the One deflector 2 brings engine power loss additional caused by biggish back pressure.Guarantee to lead to by described shunt simultaneously The air-flow in hole 201 can be sufficiently mixed with the air-flow in second guiding region 6, improve airflow homogeneity, and it is inclined to reduce maximum speed Heart rate.
In one embodiment, as shown in figure 5, the end face of the inlet end of first guiding region 5, the second guiding region 6 into The end face of the inlet end of the end face and third guiding region 7 at gas end is coplanar with the end face 1011 of inlet end of the water conservancy diversion through-hole 101, Make the air-flow for the inlet end for flowing into the water conservancy diversion through-hole 101 separately flowed by same plane first guiding region 5 inlet end, The inlet end of second guiding region 6 and the inlet end of third guiding region 7.
The end face of the outlet side of first guiding region 5, the second guiding region 6 outlet side end face and third guiding region 7 Outlet side end face it is coplanar with the end face 1012 of outlet side of the water conservancy diversion through-hole 101, make to flow into first guiding region 5, The air-flow of second guiding region 6 and third guiding region 7 is flowed out respectively by same plane.
In one embodiment, as shown in figure 5, the face area of the inlet end of first guiding region 5 is greater than described second The summation of the face area of the inlet end of the face area and third guiding region 7 of the inlet end of guiding region 6, second guiding region The face area of 6 inlet end is greater than the face area of the inlet end of the third guiding region 7, and second guiding region 6 goes out The face area at gas end is greater than the face area of the outlet side of first guiding region 5, the outlet side of first guiding region 5 Face area is greater than the face area of the outlet side of the third guiding region 7.So that the volume of first guiding region 5 is greater than institute The volume of the second guiding region 6 is stated, the volume of second guiding region 6 is greater than the volume of the third guiding region 7.
As shown in Figure 5 and Figure 6, the face area of the inlet end of first guiding region 5 is greater than second guiding region 6 The summation of the face area of the inlet end of the face area and third guiding region 7 of inlet end, can make first guiding region 5 into Gas end can flow into more sparse air-flows and part mass flow, will flow into sparse air-flow and the portion of first guiding region 5 It is flowed out after dividing mass flow mixing by the outlet side of lesser first guiding region 5 of face area, it is described to flowing through to realize The raising of the current density of first guiding region 5.
As shown in fig. 6, the inlet end of second guiding region 6 and the third guiding region 7 flow into mass flow, due to The face area of the inlet end of second guiding region 6 is greater than the face area of the inlet end of the third guiding region 7, and described The face area of the outlet side of second guiding region 6 is greater than the face area of the outlet side of the third guiding region 7, can flow through institute The current density for stating the second guiding region 6 and third guiding region 7 is down to close numerical value respectively.Further, since first guiding region 5 Interior air-flow is flowed into part in second guiding region 6 by shunting through-hole 201, can also be further changed and be flowed through described second The density of the air-flow of guiding region 6 makes by the outlet side of the first guiding region 5, the outlet side of second guiding region 6 and third water conservancy diversion The current density of the outlet side outflow in area 7 is more uniform.
It the tilt angle of first deflector 2 and the second deflector 3 and is fixed on the inner wall of the water conservancy diversion through-hole 101 Position can according to enter the flange air-flow eccentric degree and uninterrupted adjust.
In one embodiment, as shown in figure 5, the flange further includes third deflector 4, the third deflector 4 is fixed On the inner wall of the water conservancy diversion through-hole 101 and it is located in second guiding region 6, the third deflector 4 is led described second Stream area 6, which is divided into, shunts proparea 601, the first shunting zone 602 and the second shunting zone 603, and the shunting proparea 601 is formed in described The end face and second shunting zone 603 of the inlet end of the end face of the inlet end of second guiding region 6 and first shunting zone 602 Inlet end end face between, first shunting zone 602 and the second shunting zone 603 are connected to the shunting proparea 601 respectively, The shunting through-hole 201 is connected between first guiding region 5 and the first shunting zone 602, and first shunting zone 602 goes out The end face of the outlet side of the end face at gas end and the second shunting zone 603 is coplanar with the end face of outlet side of the water conservancy diversion through-hole 101.It is logical It crosses and the third deflector 4 is set, to carry out second diffluence to the air-flow flowed into second guiding region 6, ensure that secondary Airflow homogeneity can be effectively improved when shunting, reduce maximum speed eccentricity.
The tilt angle of the third deflector 4 and the position being fixed on the inner wall of the water conservancy diversion through-hole 101 can bases Air-flow eccentric degree and uninterrupted into second guiding region 6 adjust.
In one embodiment, as shown in Figure 3 and Figure 5, the flange body 1 includes flange mounting plate 102 and connecting tube 103, one end of the connecting tube 103 is welded on a side end face of the flange mounting plate 102, the flange mounting plate 102 It is equipped with first through hole 1021, is equipped with the second through-hole 1031, the first through hole 1021 and the second through-hole in the connecting tube 103 1031 axially connect to form the water conservancy diversion through-hole 101.
The upper surface of first deflector 2 and the upper surface of the second deflector 3 are upper with the flange mounting plate 102 End face is concordant so that the end face of the inlet end of first guiding region 5, the second guiding region 6 inlet end end face and third lead The end face for flowing the inlet end in area 7 is coplanar with the end face 1011 of inlet end of the water conservancy diversion through-hole 101.First deflector 2 The lower end surface of lower end surface, the lower end surface of the second deflector 3 and the third deflector 4 and the lower end surface of the connecting tube 103 Concordantly, so that the end face of the outlet side of first guiding region 5, the second guiding region 6 outlet side end face and third guiding region 7 Outlet side end face it is coplanar with the end face 1012 of outlet side of the water conservancy diversion through-hole 101.
In one embodiment, as shown in figure 5, the third deflector 4 is integrally located in second through-hole 1031.That is, The upper surface of the third deflector 4 will be less than the upper surface of the connecting tube 103.
In one embodiment, as shown in figure 4, the flange mounting plate 102 is hexagonal structure with rounded corners, the flange Mounting plate 102 is thin wall stamping part, and the flange mounting plate 102 is equipped with flange mounting hole 1022, by the way that the flange is arranged Flange can be fixed on the outlet side of turbine, or flange and other components are linked together by mounting hole 1022, make flange pair The gas flow of turbine outflow is shunted and is mixed, and to improve catalyst converter inlet air flow uniformity, reduces air-flow eccentricity.
In one embodiment, the flange mounting plate 102 with a thickness of 6mm-12mm, the connecting tube 103 is thin-wall circular Pipe, the tube wall of the connecting tube 103 with a thickness of 1mm-2mm.
The flange mounting plate 102 and connecting tube 103 are all made of stainless steel (such as SUH409L) material and are made, to protect Demonstrate,prove the rigidity of the flange mounting plate 102 and connecting tube 103.
In one embodiment, first deflector 2 is the thin-wall stamping part for being substantially in isosceles trapezoid (waist is circular arc), institute State the first deflector 2 with a thickness of 1mm-2mm.Second deflector 3 is the thin-walled for being substantially in isosceles trapezoid (waist is circular arc) Sheet metal component, second deflector 3 with a thickness of 1mm-2mm.The third deflector 4 is that substantially in isosceles trapezoid, (waist is circle Arc) thin-wall stamping part, the third deflector 4 with a thickness of 1mm-2mm.
First deflector 2, the second deflector 3 and third deflector 4 are all made of stainless steel (such as SUS436) material Material is made, and to guarantee the rigidity of first deflector 2, the second deflector 3 and third deflector 4, while guaranteeing described One deflector 2, the second deflector 3 and third deflector 4 can also work normally in the environment of high temperature corrosion gas, avoid losing Effect.
The working principle of flange provided by the utility model is following (referring to FIG. 6, arrow shown in figure is oriented to air-flow Direction, arrow width be air-flow density, gas density is more intensive, and arrow is narrower, and gas density is more sparse, and arrow is wider):
Since air-flow flow to before flange just serious bias (side that air-flow is concentrated mainly on the exhaust end of turbine), As shown in fig. 6, current density will be improved successively from left to right, mass flow is concentrated mainly on right part, and described first is led Area 5, the second guiding region 6 and third guiding region 7 are flowed along direction (the i.e. side in Fig. 6 from left to right of sparse air-flow to mass flow To) place and fixed.
When air-flow encounters first deflector 2 and the second deflector 3, since first deflector 2 and second is led The shunting function of flowing plate 3 makes most of air-flow flow into first guiding region 5, and flows into the more gas other than the first guiding region 5 Stream will flow into the shunting proparea 601 of the second guiding region 6, and remaining seldom fraction will flow into the third guiding region 7 simultaneously Passed through by third guiding region 7.
After the air-flow in the shunting proparea 601 for flowing into second guiding region 6 strikes on the third deflector 4, It flows into the air-flow for shunting proparea 601 to pass through a part by the first shunting zone 602, another part is by the second shunting zone 603 Pass through.
When most of air-flow flows into first guiding region 5, flow into a part of gas in first guiding region 5 after Continuous to pass through along first guiding region 5, another part gas will enter institute along the shunting through-hole 201 on the first deflector 2 The first shunting zone 602 for stating the second guiding region 6 mixes logical with the air-flow for flowing into the first shunting zone 602 by the shunting proparea 601 Cross the first shunting zone 602.
The flange is carried out for the first time by the air-flow that first deflector 2 and 3 pairs of the second deflector flow into the flange The air-flow for shunting, and flowing into second guiding region 6 by 4 pairs of the third deflector carries out second and shunts, and is mentioned with realizing High gas flow uniformity and the purpose for reducing maximum speed eccentricity.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of flange, which is characterized in that including flange body, the first deflector and the second deflector, the flange body Middle part be formed with water conservancy diversion through-hole, first deflector, which is equipped with, shunts through-hole;
First deflector and the second deflector are fixed on the inner wall of the water conservancy diversion through-hole to divide the water conservancy diversion through-hole For the first guiding region, the second guiding region and third guiding region, the shunting through-hole is connected to first guiding region and second and leads It flows between area, the face area of the inlet end of first guiding region is greater than the end face face of the outlet side of first guiding region Product, the face area of the inlet end of second guiding region is less than the face area of the outlet side of second guiding region, described The face area of the inlet end of third guiding region is less than the face area of the outlet side of the third guiding region.
2. flange according to claim 1, which is characterized in that the central axes of the water conservancy diversion through-hole pass through the shunting through-hole Center.
3. flange according to claim 1, which is characterized in that the end face of the inlet end of first guiding region, second are led The end face for flowing the end face of the inlet end in area and the inlet end of third guiding region is coplanar with the end face of inlet end of the water conservancy diversion through-hole, The end of the outlet side of the end face of the outlet side of first guiding region, the end face of the outlet side of the second guiding region and third guiding region Face is coplanar with the end face of outlet side of the water conservancy diversion through-hole.
4. flange according to claim 3, which is characterized in that the face area of the inlet end of first guiding region is greater than The summation of the face area of the inlet end of the face area and third guiding region of the inlet end of second guiding region, described second The face area of the inlet end of guiding region is greater than the face area of the inlet end of the third guiding region, second guiding region The face area of outlet side is greater than the face area of the outlet side of first guiding region, the outlet side of first guiding region Face area is greater than the face area of the outlet side of the third guiding region.
5. flange according to any one of claims 1 to 4, which is characterized in that the flange further includes third deflector, institute It states third deflector to be fixed on the inner wall of the water conservancy diversion through-hole and be located in second guiding region, the third deflector will Second guiding region, which is divided into, shunts proparea, the first shunting zone and the second shunting zone, and the shunting proparea is formed in described the The end face of the inlet end of the end face of the inlet end of two guiding regions and first shunting zone and the inlet end of second shunting zone End face between, first shunting zone and the second shunting zone are connected to the shunting proparea respectively, shunting through-hole connection Between first guiding region and the first shunting zone, the end face of the outlet side of first shunting zone and going out for the second shunting zone The end face at gas end is coplanar with the end face of outlet side of the water conservancy diversion through-hole.
6. flange according to claim 5, which is characterized in that the flange body includes flange mounting plate and connection Pipe, one end of the connecting tube are welded on a side end face of the flange mounting plate, and the flange mounting plate is equipped with first Through-hole, the connecting tube is interior to be equipped with the second through-hole, and the first through hole and the second through-hole axially connect logical to form the water conservancy diversion Hole.
7. flange according to claim 6, which is characterized in that the third deflector is integrally located at second through-hole It is interior.
8. flange according to claim 6, which is characterized in that the flange mounting plate is hexagonal structure, the flange Mounting plate is equipped with flange mounting hole.
9. flange according to claim 6, which is characterized in that the flange mounting plate with a thickness of 6mm-12mm, it is described The tube wall of connecting tube with a thickness of 1mm-2mm.
10. flange according to claim 5, which is characterized in that first deflector with a thickness of 1mm-2mm, it is described Second deflector with a thickness of 1mm-2mm, the third deflector with a thickness of 1mm-2mm.
CN201820723569.4U 2018-05-15 2018-05-15 flange Active CN208281030U (en)

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CN201820723569.4U CN208281030U (en) 2018-05-15 2018-05-15 flange

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Application Number Priority Date Filing Date Title
CN201820723569.4U CN208281030U (en) 2018-05-15 2018-05-15 flange

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Publication Number Publication Date
CN208281030U true CN208281030U (en) 2018-12-25

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110905644A (en) * 2019-12-31 2020-03-24 潍柴动力股份有限公司 Exhaust mixing device and engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110905644A (en) * 2019-12-31 2020-03-24 潍柴动力股份有限公司 Exhaust mixing device and engine

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