CN208619247U - A kind of V-type EGR engine multichannel exhaust gas attachment device - Google Patents
A kind of V-type EGR engine multichannel exhaust gas attachment device Download PDFInfo
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- CN208619247U CN208619247U CN201820918910.1U CN201820918910U CN208619247U CN 208619247 U CN208619247 U CN 208619247U CN 201820918910 U CN201820918910 U CN 201820918910U CN 208619247 U CN208619247 U CN 208619247U
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- China
- Prior art keywords
- exhaust gas
- exhaust
- pressurizer tank
- gas pressurizer
- bellows
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Abstract
The utility model relates to a kind of V-type EGR engine multichannel exhaust gas attachment devices, including exhaust gas pressurizer tank, the exhaust gas pressure stabilizing upper box part is connected with EGR exhaust pipe, and the left and right sides is connected separately with exhaust expansion bellows, and the other end of each exhaust expansion bellows is respectively connected with exhaust manifold；The exhaust gas pressurizer tank is multichannel heat resisting casting, it is internally provided with six interface channels communicated, the top channel Liang Ge is equal-sized circular hole, each side there is a channel and be equal-sized circular hole, front end is provided with the identical rectangular channel of two shapes to connect with external turbine booster；The beneficial effects of the utility model are: the utility model has multichannel exhaust gas pressurizer tank, the pulse exhaust gas pressure that V-type engine A, B column exhaust manifold can be made to be discharged flows through EGR exhaust pipe and turbocharger of motor after stablizing, the utility model is compact-sized rationally, it is easy for installation, installation and excellent sealing convenient for V-type EGR engine.
Description
Technical field
The utility model relates to engine component design field, especially a kind of V-type EGR engine multichannel is useless
Gas attachment device.
Background technique
EGR(Exhaust Gas Recalculation) gas recirculation system be reduce engine exhaust in NOx emission
Portion in the exhaust pipe of engine is mainly reintroduced back to gas by pipeline and control valve by one of major measure of amount
Cylinder participates in the burning of gaseous mixture, and the content of operating temperature and oxygen when reducing burning in cylinder inhibits the generation of NOx.EGR is again
The introducing of cycle gas prevents engine exhaust tube assembly from meeting the installation and requirement of system.
In the prior art, EGR exhaust pipe is directly connected with the exhaust pipe of engine, enters the portion in exhaust pipe
Air inlet pipe enters cylinder after mixing with pressurized air；For V-type engine, exhaust pipe is arranged in engine two sides, if directly
Exhaust gas is taken from a side exhaust pipe, the exhaust of A, B column is will cause unevenly, seriously affects efficiency of turbocharger；If from engine A column and
B column take exhaust gas respectively, and the installation of EGR exhaust pipe and connection structure can be made complicated, be unfavorable for the installation of engine exhaust tube assembly
And arrangement.
Therefore, it is necessary to design a kind of device, to solve this problem.
Summary of the invention
The purpose of this utility model is to propose a kind of V-type engine EGR exhaust attachment device, to solve in the prior art
EGR exhaust pipe directly connect existing structure design defect with the exhaust pipe of engine.
The utility model uses a kind of following technical scheme: V-type EGR engine multichannel exhaust gas attachment device, including useless
Gas pressurizer tank, the exhaust gas pressure stabilizing upper box part are connected with EGR exhaust pipe, and the left and right sides is connected separately with exhaust expansion bellows, often
The other end of a exhaust expansion bellows is respectively connected with exhaust manifold；The exhaust gas pressurizer tank is multichannel heat resisting casting, in
Portion's setting is equal-sized circular hole there are six the interface channel communicated, the top channel Liang Ge, each side there is a channel
And be equal-sized circular hole, the identical rectangle of two shapes that front end is provided with to connect with external turbine booster leads to
Road；Exhaust gas pressurizer tank upper end is provided with the flange boss being solidified as a whole, boss be internally provided with respectively with the top channel Liang Ge phase
Cylindrical cavity even, boss end, which is provided with to be solidified as a whole, square flange, and there are two size is identical for setting in the middle part of square flange
Circular access hole, there are four threaded holes for surrounding setting；Exhaust gas pressurizer tank left and right sides are also fixedly installed and left and right two respectively
The connected identical cylindrical casing of diameter of wing passage；The front end face of exhaust gas pressurizer tank is set as the square to connect turbocharger
Shape plane, there are two the identical rectangular channel outlets of shape and size for setting on rectangle plane；Surrounding is also set on exhaust gas pressurizer tank
Through-hole there are four setting to be fixedly connected with engine.
The EGR exhaust pipe is made of bellows with the flange for being connected in bellows both ends, and the bellows is mark
Director circle cylindrical metal bellows, one end fixed connection method is blue, and the other end is fixedly connected with oval flange；In the square flange
Portion is provided with the cavity structure from two channels to a channel transition, outer end face and exhaust gas pressurizer tank upper boss end
Square flange is cooperatively connected；The oval flange is standard ellipse flange, and there are two threaded holes for setting on oval flange.
The exhaust expansion bellows are symmetrically distributed at left and right sides of exhaust gas pressurizer tank, and pass through ipsilateral exhaust gas pressure stabilizing respectively
The cylindrical casing of case is connect with exhaust gas pressurizer tank, and exhaust expansion bellows are standard round tubular metal bellows, with exhaust gas pressure stabilizing
The cylindrical casing of case uses standard clamp connection.
The exhaust manifold is symmetrically distributed at left and right sides of exhaust gas pressurizer tank, and the connection with exhaust expansion bellows also uses
Standard clip.
It is additionally provided with gasket seal between the square flange of the exhaust gas pressurizer tank and the square flange of EGR exhaust pipe, it is described
Gasket seal be stamping forming heat-resistance stainless steel material, the end of the square flange of shape and size and the exhaust gas pressurizer tank
Face is consistent.
The front end face surface of the exhaust gas pressurizer tank is also equipped with gasket seal, and the gasket seal is punch forming
Heat-resistance stainless steel material, shape and size are consistent with the rectangle plane of exhaust gas pressurizer tank front end face.
The beneficial effects of the utility model are: the utility model have multichannel exhaust gas pressurizer tank, can make V-type engine A,
The pulse exhaust gas pressure of B column exhaust manifold discharge flows through EGR exhaust pipe and turbocharger of motor after stablizing；It is vented ripple
Pipe, the compensation that the high-temp waste gas for the discharge of V-type engine A, B column exhaust pipe deforms exhaust connection expanded by heating；EGR is useless
Bellows is arranged in tracheae, the compensation for deforming EGR connecting tube expanded by heating for engine high-temperature exhaust gas；The side of EGR exhaust pipe
Setting meets the installation of engine EGR connecting tube, exhaust gas connection dress from two channels to the cavity of a channel transition in flange
Two kinds of stainless steel gasket seals are installed, the exhaust gas from exhaust gas pressurizer tank to EGR exhaust pipe and turbocharger of motor is avoided
Leakage.The utility model is compact-sized rationally, easy for installation, installation and excellent sealing convenient for V-type EGR engine.
Detailed description of the invention
Fig. 1 is the connection and structural schematic diagram of the utility model.
Fig. 2 is the schematic diagram of exhaust gas pressurizer tank in the utility model.
Fig. 3 is the schematic diagram of EGR exhaust pipe in the utility model.
In figure: 1, exhaust gas pressurizer tank；2, gasket seal I；3, EGR exhaust pipe；4, A column exhaust ripple；5, A column exhaust discrimination
Pipe；6, B column exhaust expansion bellows；7, B column exhaust manifold；8, clip；9, gasket seal II；10, exhaust gas inlet I；11, exhaust gas into
Mouth II；12, waste gas outlet I；13, waste gas outlet II；14, waste gas outlet III；15, waste gas outlet IV；16, flange boss；17,
Square flange I；18, square flange II；19, EGR bellows；20, oval flange；21, turbocharger of motor；22, mounting screw
Ⅰ；23, mounting screw II.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings of the specification:
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of V-type EGR engine multichannel exhaust gas attachment device, including exhaust gas pressurizer tank 1,
1 top of exhaust gas pressurizer tank is connected with EGR exhaust pipe 3, and the left and right sides is connected separately with exhaust expansion bellows, and (left side is A column
It is vented ripple 4, right side is B column exhaust ripple 6), the other end of each exhaust expansion bellows is respectively connected with exhaust manifold, (A column row
Wave line 4 connects A column exhaust manifold 5, and B column exhaust expansion bellows 6 connect B column exhaust manifold 7)；The exhaust gas pressurizer tank 1 is more
Channel heat resisting casting, is internally provided with six interface channels communicated, and the top channel Liang Ge is equal-sized circular hole, left and right
Respectively there are a channel in two sides and are equal-sized circular hole, and front end is provided with to connect with turbocharger of motor 21
The identical rectangular channel of two shapes；Exhaust gas pressurizer tank upper end is provided with the flange boss 16 being solidified as a whole, and sets inside boss 16
It is equipped with the cylindrical cavity being connected respectively with two channels of exhaust gas pressure stabilizing upper box part, 16 end of boss is provided with the side being solidified as a whole
Flange I 17, there are two the identical circular access holes of size for I 17 middle part setting of square flange, and there are four threaded holes for surrounding setting；Exhaust gas
1 left and right sides of pressurizer tank are also fixedly installed the identical cylindrical casing of the diameter being connected with left and right sides channel respectively；Exhaust gas
The front end face of pressurizer tank 1 is set as the rectangle plane to connect turbocharger of motor 21, is provided with two on rectangle plane
The identical rectangular channel outlet of a shape and size；Surrounding is also set up there are four to fix with engine on exhaust gas pressurizer tank 1
The through-hole of connection.
The EGR exhaust pipe 3 is made of bellows 19 with the flange for being connected in 19 both ends of bellows, the bellows
19 be standard round tubular metal bellows, and one end fixed connection method orchid II 18, the other end is fixedly connected with oval flange 20；Institute
The square flange II 18 stated is internally provided with the cavity structure from two channels to a channel transition, outer end face and exhaust gas pressure stabilizing
The square flange I 17 of 1 upper boss of case, 16 end is cooperatively connected；The oval flange 20 is standard ellipse flange, oval flange
There are two threaded holes for setting on 20.It is to make EGR connecting tube expanded by heating for engine high-temperature exhaust gas using the purpose of bellows
The compensation of deformation.
The exhaust expansion bellows (left side is A column exhaust ripple 4, and right side is B column exhaust ripple 6) are symmetrically distributed in exhaust gas
1 left and right sides of pressurizer tank, and connect respectively by the cylindrical casing of ipsilateral exhaust gas pressurizer tank 1 with exhaust gas pressurizer tank 1, Mei Gepai
The other end of gas bellows is respectively connected with exhaust manifold, and exhaust expansion bellows are standard round tubular metal bellows, and useless
The cylindrical casing of gas pressurizer tank 1 is connected using standard clip 8.The effect of exhaust expansion bellows is useless for exhaust pipe of engine high temperature
The compensation that gas deforms exhaust connection expanded by heating.
(A column exhaust ripple 4 connects A column exhaust manifold 5 to the exhaust manifold, and B column exhaust expansion bellows 6 connect B column exhaust
Manifold 7) it is symmetrically distributed in 1 left and right sides of exhaust gas pressurizer tank, the connection with exhaust expansion bellows also uses standard clip 8.
Gasket seal is additionally provided between the square flange 17 of the exhaust gas pressurizer tank 1 and the square flange 18 of EGR exhaust pipe 3
2, the gasket seal 2 is stamping forming heat-resistance stainless steel material, the end of shape and size and the square flange 17
Face is consistent.It is to guarantee that exhaust gas does not leak that it, which is acted on,.
The front end face surface of the exhaust gas pressurizer tank 1 is also equipped with gasket seal II 9, and the gasket seal II 9 is
Stamping forming heat-resistance stainless steel material, shape and size are consistent with the rectangle plane of 1 front end face of exhaust gas pressurizer tank.It is acted on
It is to guarantee that exhaust gas does not leak.
When installation, exhaust gas pressurizer tank 1 is mounted on V-type EGR engine cylinder body first, it is fixed simultaneously with mounting screw I 22
Apply certain torque；Gasket seal I 2 and EGR exhaust pipe 3 are mounted on 1 upper flange boss 16 of exhaust gas pressurizer tank later
It is fixed with mounting screw II 23 on square flange I 17；Engine A column exhaust expansion bellows 4 and A column exhaust manifold 5 are installed later, twisted
Tight clip 8；B column exhaust expansion bellows 6 and B column exhaust manifold 7 are installed later, tighten clip 8；Later by gasket seal II 9 and hair
Motivation turbocharger 21 is mounted in 1 leading flank rectangular surfaces of exhaust gas plenum chamber, fixed with mounting screw II 23.
As shown in Fig. 2, the exhaust path of the utility model is: V-type engine A, B column cylinder discharge exhaust gas from exhaust discrimination
Pipe and exhaust expansion bellows enter exhaust gas pressurizer tank 1, the left and right sides of exhaust gas pressurizer tank 1 be respectively exhaust gas inlet I 10 and exhaust gas into
Mouth II 11, after 1 steady pressure of exhaust gas pressurizer tank, a part of exhaust gas enters EGR from waste gas outlet III 14 and waste gas outlet IV 15
Flue gas leading 3 participates in the burning of engine EGR gas recirculation system, and most of exhaust gas is through waste gas outlet I 12 and waste gas outlet II
13 enter turbocharger of motor 21, push booster turbine rotation.
The non-detailed portion of the utility model is the prior art.
Claims (6)
1. a kind of V-type EGR engine multichannel exhaust gas attachment device, it is characterized in that: including exhaust gas pressurizer tank, the exhaust gas is steady
Pressure upper box part is connected with EGR exhaust pipe, and the left and right sides is connected separately with exhaust expansion bellows, and the other end of each exhaust expansion bellows is each
From being connected with exhaust manifold；The exhaust gas pressurizer tank is multichannel heat resisting casting, is internally provided with six connections communicated
Channel, the top channel Liang Ge are equal-sized circular hole, each side have a channel and are equal-sized circular hole, preceding
End is provided with the identical rectangular channel of two shapes to connect with external turbine booster；Exhaust gas pressurizer tank upper end is provided with
The flange boss being solidified as a whole, boss are internally provided with the cylindrical cavity being connected respectively with the top channel Liang Ge, boss end
It is provided with to be solidified as a whole and has square flange, there are two the identical circular access holes of size for setting in the middle part of square flange, are around provided with four
A threaded hole；Exhaust gas pressurizer tank left and right sides are also fixedly installed the identical circle of the diameter being connected with left and right sides channel respectively
Column sleeve pipe；The front end face of exhaust gas pressurizer tank is set as the rectangle plane to connect turbocharger, is provided on rectangle plane
The identical rectangular channel outlet of two shape and size；Surrounding is also set up there are four to fix with engine on exhaust gas pressurizer tank
The through-hole of connection.
2. a kind of V-type EGR engine multichannel exhaust gas attachment device according to claim 1, it is characterized in that: described
EGR exhaust pipe is made of bellows with the flange for being connected in bellows both ends, and the bellows is cylindrical metal bellows,
One end fixed connection method is blue, and the other end is fixedly connected with oval flange；The square flange is internally provided with from two channels
To the cavity structure of a channel transition, the square flange of outer end face and exhaust gas pressurizer tank upper boss end is cooperatively connected；Institute
There are two threaded holes for setting on the oval flange stated.
3. a kind of V-type EGR engine multichannel exhaust gas attachment device according to claim 1, it is characterized in that: the row
Gas bellows is symmetrically distributed at left and right sides of exhaust gas pressurizer tank, and by the cylindrical casing of ipsilateral exhaust gas pressurizer tank and is given up respectively
The connection of gas pressurizer tank, exhaust expansion bellows are cylindrical metal bellows, use clip with the cylindrical casing of exhaust gas pressurizer tank
Connection.
4. a kind of V-type EGR engine multichannel exhaust gas attachment device according to claim 1, it is characterized in that: the row
Gas manifold is symmetrically distributed at left and right sides of exhaust gas pressurizer tank, and the connection with exhaust expansion bellows also uses clip.
5. a kind of V-type EGR engine multichannel exhaust gas attachment device according to claim 1, it is characterized in that: described is useless
Gasket seal is additionally provided between the square flange of gas pressurizer tank and the square flange of EGR exhaust pipe, the gasket seal is punching press
Molding heat-resistance stainless steel material, shape and size are consistent with the end face of square flange of the exhaust gas pressurizer tank.
6. a kind of V-type EGR engine multichannel exhaust gas attachment device according to claim 1, it is characterized in that: described is useless
The front end face surface of gas pressurizer tank is also equipped with gasket seal, and the gasket seal is stamping forming heat-resistance stainless steel material
Material, shape and size are consistent with the rectangle plane of exhaust gas pressurizer tank front end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918910.1U CN208619247U (en) | 2018-06-14 | 2018-06-14 | A kind of V-type EGR engine multichannel exhaust gas attachment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918910.1U CN208619247U (en) | 2018-06-14 | 2018-06-14 | A kind of V-type EGR engine multichannel exhaust gas attachment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619247U true CN208619247U (en) | 2019-03-19 |
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ID=65701496
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820918910.1U Expired - Fee Related CN208619247U (en) | 2018-06-14 | 2018-06-14 | A kind of V-type EGR engine multichannel exhaust gas attachment device |
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| Country | Link |
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| CN (1) | CN208619247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644036A (en) * | 2018-06-14 | 2018-10-12 | 河南柴油机重工有限责任公司 | A kind of V-type EGR engine multichannel exhaust gas attachment device |
-
2018
- 2018-06-14 CN CN201820918910.1U patent/CN208619247U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644036A (en) * | 2018-06-14 | 2018-10-12 | 河南柴油机重工有限责任公司 | A kind of V-type EGR engine multichannel exhaust gas attachment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20210614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |